ࡱ> #&      !"#$% @\pThalia Anagnos Ba== f0 8W@"1 Palatino1 Palatino1 Palatino1 Palatino1 Palatino"$"#,##0_);\("$"#,##0\)!"$"#,##0_);[Red]\("$"#,##0\)""$"#,##0.00_);\("$"#,##0.00\)'""$"#,##0.00_);[Red]\("$"#,##0.00\)7*2_("$"* #,##0_);_("$"* \(#,##0\);_("$"* "-"_);_(@_).))_(* #,##0_);_(* \(#,##0\);_(* "-"_);_(@_)?,:_("$"* #,##0.00_);_("$"* \(#,##0.00\);_("$"* "-"??_);_(@_)6+1_(* #,##0.00_);_(* \(#,##0.00\);_(* "-"??_);_(@_) 0.00000.0 0.000 0.0000000000 0.00000m/d mm/dd/yy                + ) , *          (                      #     #   8 ``i̜̙3f3333f3ffff333ff333f33f33BBB\`L All-DatalFacilitym EquipmentComments  ;Q2  ;E`i +1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/s2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sReplace each 220 kV bushing on each single phase 220/66 kV TR.3772575, 4088092,-3 Sierra Madre&Foothill Fwy & Foothill Blvd, Pasadena< vOne of the outside interrupter head bushing blew. From slack that was available it appears that head moved about 12".*Crack at sandring allowed SF6 to leak out.*Lower porcelain member had to be replaced.2Porcelain interrupter head support columns failed. Dead tank replacement unit used. Tejon Ranch16:06Data From pp791, Ref. 1^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812CDWRFirmSwitchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were locatedSM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueductfThese units were put in at a time when seismic awareness was low and only standard CBs were available.Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.VThe gaskets on the 2 interrupter head bushings that were connected to each other blew.Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.Only one of the gaskets on the 2 interrupter head bushings that were connected to each other blew. Porcelain part of high pressure air supply broke. Support column containing CT failed.These units were put in at a time when seismic awareness was low and only standard CBs were available. The interrupter heads on this unit weighed 3600 pounds vs 2600 for most other units.The gaskets on the 2 interrupter head bushings that were connected to each other blew. Porcelain part of high pressure air supply broke. Interrupter head support column failed (column w/o CT)|The gaskets on the 2 interrupter head bushings that were connected to each other blew. Support column containing CT failed.ATB7 (isolated)Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage. Unit mounted on 3/4" elastomer pad\Only one gaskets on the 2 interrupter head bushings that were connected to each other blew. Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage. Unit mounted on sock isolators ofThe gaskets on the 2 interrupter head bushings that were connected to each other blew. Porcelain part of high pressure air supply broke.The gaskets on the 2 interrupter head bushings that were connected to each other blew. Porcelain part of high pressure air supply broke. Support column containing CT failed.Same as for damaged units low design Well anchored5Minor oil leak at top connection of radiator to tank.Whittier Narrows7:42:20hMMI map pp 5 in Ref 1., CDMG got 101 stations with S-M records and USGS got 20, SCE ot ? and LADWP got ?1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open file report 88-357 Power StationATB4CT leak on C phaseCompleted 10/2.87 @ 0339General Electric?ATB4? middle phaseLeaking nin-CT column=Completed 10/5/87 @ 1200. Note that it was after aftershock.ATB 4-6 Horizontalsingle phase, unit'nitrogen leak due to ruptured diaphram.Completed 10/2/87 @ 0607.three phase, unit Norwalk, Firestone Blvd and I605$Quaternary formation - soft alluviumWestinghouse and ITE2300SF15000/20000-252300SF15000/20000-30 not knownto be replacedLfunctional immediately after eq, EPRI report indicates all had leaking sealsporcelain column shattered to be rebuilt 3 o spareGrail mounted, steel strap welded to TR and bolted to concrete base mat"1-0140-24784-1,-3;2-0102-9162-3, 7 3o 01823-5-1)Leaking 230 kV bushings. 2 or 3 bushings,Replaced "O" rings. Restored 11/2/87 @ 1630Cerritos, south of 605 and 91ATB5 230-20000-5-20Leak in non-CT columnCompleted 10/3/87 @ 0227Completed 10/4/87 @ 16543Written summary list ATB4 but data sheet gives W +M 1 CT columnFCompleted 10/6/87 @ 2100. Note that repair was done after aftershock.Leaks in CT columnsATB4 230-20000-6Y206Written summary list ATB4 but data sheet suggests ATB6(Leak in 2 non-CT column and 3 CT columnsXTopping up needed but no leak found suggests that there was a leak that was self healingAre there 66 kV SF6 CBs?Ruptured releif valve)non-CT columns leaking. crcked insulator.17 week lead time.2 non-CT columns leaking.complete 10/2/87 @ 2327complete 10/2/87 @ 1601)There may be others that are not damaged.Not sure of voltageNot sure of voltagesChipped bushing1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open file report 88-357 4. EPRI NP-7126 The Oct 1, 1987 Whittier Eq: Effects on Selected Power, Indus and Comm Facilites$soft alluvium - Quaternary formationPGA from EPRI NP-7126ATB4 230-20000-0-20?)Note model no. indicated as Westinghouse.H2 interrupter head bushings leaking, 1 CT and 1 non 0CT columns leaking._repairs 60% complete 10/5/87. Note that repairs were not colpleted until after the aftershock.Low Design - Horizontal Chandler Blvd & Cordova, BurbankWhat type of CB?Cracked 66 kV bushing. Quaternary formation - firm soil3leaking support column gasket. How many phases out?Three days 14 hrs to repairECan be restored by 10/10 (9 days) working 24 hr shift if part arrive.ffunctional immediately after earthquake, EPRI report indicates that all CBs eventually developed leaks^Can be restored by 10/10 (9 days) working 24 hr shift if part arrive. Restored 10/4/87 @ 0330Three days 10 hrs to repair.How was it installed?Failed porcelain columnFCan be restored by 10/10 (9 days) working 24 hr shift if part arrives.3o D582895, D596229 Welded to embedded steel on mats13300 Mulberry Av, WhittierHow is it mounted?!1315 S Garfield Av, Monterey Park+4 post insulators for bus supports damaged.Replaced 10/3/87 @ 2010La Habra,anchored by gussets welded to embedded steel220000-072000 5066610220000-072000 506668, -9)functional, oil leaks at radiator flange.220000-072000 5069946, -7, -8#12300 Florence Av, Santa fe SpringsUFailure of porcelain. What voltage. What is significance of "Painted Bushing Cap"?A. What voltage. What is significance of "Painted Bushing Cap"?8320 Rex Rd, Pico Rivers-Fitting on transfer bus broke?, What voltage?11523 Paramount Blvd, DowneyWhat type of TR?Leaking 66 kV bushing.Need manufacturerLeaking bushingsCan be restored by 10/3 23:55 (2 Days 16 hrs). 1200 amp bushing was used instead of 1600 amp bushing as spare was not available.How were LA installed?IWhat type of TR: Radiator size and mounting, LA mounting, No. of Phases?What was damage to bushings?LThere was not disruption of service due to bushing damage. Was it repaired? MODEL_DES.This data added to reflect total of 30 at site>original pictures indicate that one had small oil leak at rad.EQ_NAMEEQ_DATEEQ_TIME EPICNTR_LAT EPICNTR_LONG MAGNITUDE FOCAL_DEPTH FAULT_TYPE FAULT_SOLU1 FAULT_SOLU2 FAULT_SOLU3ALT_FAULT_SOLUMAX_MMI< EQ_COMMENT REFERENCES FACIL_NAME FACIL_OWN TYPE_FACIL FACIL_ADD FACIL_LAT FACIL_LONG EPICEN_DIST DIST_RUPTSITE_MMI EST__PEAK_ACC0.1_SA0.2_SA0.3_SA SM_RECORD SOIL_TYPE SITE_COMMENT GRND_MOTION DAMAGE_PAR_1 DAMAGE_PAR_2 RESTORATION IMPACT_DAMAGE EQP_STATUS SECOND_DMGNO_ITEMSTYPE_EQP CB_SUBCLAS TR_SUBCLAS LA_SUBCLAS WT_SUBCLAS CVT_SUBCLAS PT_SUBCLAS CT_SUBCLAS DS_SUBCLAS MODS_SUBCL DISPATCH_D OPERATING_V SECONDARY_V CURRENT_RATEBIL CANTILEVER MANUFACTUR MODEL___DES YEAR_MANUF PGE_CLASSWEIGHT EQP_COMMENT EQP_INSTAL EQP_DAMAGE FAIL_MODEREC_NOREC_DATE DAMAGE_PAR CONTRIBUTI2-Whittier Narrows3:59:00 Strike-Slip SCE Report1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357SCE Power Plant Long BeachNoQuaternary formation - soil"Ground motion from Paul SomervilleDamagedCircuit Breaker CB Live TankSF6CBnSF6 leaking at entrance bushing on non-CT column. Is this support column or bushing? What type of equipment. Undamaged2*What type of equipmentTransmission SS2nd Ave & St. JosephTransformer TRTRWhat was problem?NorwalkGeneral ElectricATB5 230-20000-5-20CB9Cracked non-CT support column.TR2 3o D572975Oil leak. Where? Which unit? Pennsylvania3 phase(Gas leak in man hole cover. Which unit?CerritosoBlown seals on bushing #2. What is bushing #2. This is probably inner interrupter head bushing. what phases?restored 10/5/87 @ 2300 There is also another ATB 4 or 6Mesozoic formation - hard rockLightning Arrester LALA&Failed porcelain. How was it mounted.How was it mounted.Equipment info not providedTop plate gasket leaking.$Compton Blvd east of Avalon, ComptonCurrent Trans. CTCTOil leakChipped bushings. Need details.Voltage and type not known1371 Monterey Pass RdTertiary formation - soft rockBurnt. Is this contacts?Coalinga16:42:38jData from pp9 and 21, Ref 1, Page 21 given preference MMI Map on cover of Ref 1 SM Data: CDMG 60, USGS 37 1. Coalinga,CA, EQ of May 2, 1983, EERI Report 84-03, Jan. 1984 2. CDMG OSMS 83-5.2 3. PG&E, Coalinga EQ of May 2, 1983, Field Inspection Report (unbound), July 20, 1983PG&E7(UBC S1) < 200 ft alluvium overlying sedimentary rock. 552 C phaseATB-550-2 SN 0139A8759-204CB15A"0.2 g static seismic specification9Gasket leak at base of top porelain member above CT lead.(2 days to repair. No effect on service.552, 652 ATB-550-2 Dead TankOilCB20AunknownCB74 Westinghouse ? 2 head, Free StandingBank 11BLA5AInstallation not verified. Associated with 500/230 kV TR Bank 11.Failed porcelainreplaced9Installation not verified. Associated with 500/230 kV TR.Bank 1 single phaseTR1Bank 11374 MVA each, 1122 MVA total*1150 (High V bushing), 900 (Low V bushing)+K 546561 thru 64, auto, ccoled by OA/FA/FOATR3.all 500 kV bushings shifted 3/8". leaking oil)20 days to repair. No effect on service.Landers51. EPRI TR-103454 June 24 1992 Landers & Big Bear Eq.Generating StationDaggettyesIground motion from Paul Somerville, Mw=7.3, Ref 1 has records and spectraoilDisconnect Switch DSLow Design, HorizontalDS3out of adjustment Low DesignLA1 Smallrad/manthree phase, step up radiator leak #fixed using wrench to tighten bolts Loma Prieta17:04:151. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/srequired removal of contaminated ground below each leaking CT.}Units are mounted on Tit-tat-toe chair are are relatively flexible to rotation. Units had flexible loops connecting CT to CB[Oil leaks between bushing and tank. Some of the couplings between CT and CB may have brokenYesVertical SwingDS1Failure of outside double post and top of inner double post. Probably due to failure of adjacent CB but taken as independent failure.DS2.Bus support structure, pin and cap insulators.1Ground support structure, pin and cap insulators.Horizontal Swing0Ground support structure, pin and cap insulators TR Body Mount'Mounted on 500/230 kV McGraw Edison TR.'mounted on 500/230 kV Westinghouse TRs. TR Boom MountOAssociated with 230/115 kV Pennsylvania TRs (Bank 1 &2). Mounted on long boom.`mounted on 500/230 kV General Electric TRs. One of these may have been damaged (see record 292)#One of these may have been damaged?Associated with W 500/230 kV TRPorcelain failure, but unit fell to ground indicating bus connection failure. TR record 67. Not sure if this was 500 or 230 kV LA that failed.Note that the LA with the GE were composed of 4 identical sections while others had large and medium sections and a short support section.9Associated with GE 500/230 kV TRs ( at west end of site).>Unit at east end of row may have been damaged - See record 292Note that the LA with the GE were composed of 4 identical sections while these had large and medium sections and a short support section.>Associated with W 500/230 kV TRs and ME TR (east end of site).Med Rad/O ManifSpec. 10035, sn 0-02265-5-3, JRad. elements supported from tank. C&C 94700, T&F 64400, 6970 g - 54300.230 LA on boom, 115 LA on rad.Large Rad/O Manifspare374 MVA*1425 (High V bushing), 750 (Low V bushing)OA, FA, FO, Core type. Large radiators with each element supported from a TR tank. Rad. on sides and end. End rad has 9 sections and side has 5 with length 92". There are diagonal braces from top of TR to outside bottom of rad and is 1" rod - 5 on side rad and 3 on end. Ther4 th from east end - use as spar< e. 230 LA on boom. 500 LA on independent latus structure. Units 1, 2 and 4 from east end of site. Welded to embedment;put into service when McGraw Edison units has bushing leak.Large Rad/ManifBank 11 C phase McGraw Edison6Spec. 13330, sn C06503-5-7, HV bushing no. 501.LL.716Large radiators with each element supported from maniford perp. to TR tank. 70" X 127" along TR. They are supported on non-penatrating pipe at bottom and penetrating pipe at top. There are horizontal braces at bottom but not consistant (one brace was#230 LA on rad., Welded to embedmentThe 500 kV bushing shifted about 1/4" and had an oil leak at the steel/porcelain interface. Bushing was bottom attachment type rather than draw out type. Were was leak, at bushing-flange or flange -tank?KThe replacement bushing is 153" from flange to top and 76" from flang down.Bank 11 A & B 374 MVA eachOA, FA, FO, Core type.u230 LA on boom. 500 LA on independent latus structure. Units 1, 2 and 4 from east end of site., Welded to embedmentMinor oil leaks on B phase. note that A phase (east unit) lost LA, original slides indicated minor leaks at radiators (see record 292) OperationalBank 12*1550 (High V bushing), 900 (Low V bushing)KOA, FA, FO, sn D577035, -6, 7, HV bushing no. 11B775, LV bushing no. 11B7652 large radiators per side with each element supported from heavy box beam perp. to TR body and with non-penatrating connection with gusset plates for vert. load. Top connection is penetratng pipe. Each 142" long. There are diagonal braces at bottom,0West end of TR row. 230 kV LA installed on rad.Severe oil leaks at the upper flange connection of manifold to tank. Flanges were deformed and peening was required to stop leaking. Repairs were made without the need to removed radiators or manifold.TUnits were out for several days? Extensive excavation to removal contaminated soil. Wave Trap WTH. Post-InsulatorWT1:Wave trap size is about 4 feet in diameter and 6 feet longmounted on support with CVT:Wave trap size is about 2 feet in diameter and 4 feet longH. Post-Insulator MountWT2zUnits supported on two columns. 8-1/2" x 5" with about 3/8" wall with long direction in line with closed arm. Pict 28-31Source info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 2012Pict 28-32, 2-132on porcelain standoffs, Support plates look thin.Source info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 2013MSupport post is 6-3/4"diameter and 7'-10" high. Pict 3-38, 37,36,35,,33,32.9Units had Bellville washers. The base has small gussets.Units all failed at the sand ring at base, except 230 Bus 2 A where damage was not obvious, but must have been it cracked. It did not have oil spill below it. Note that bus 2 side anchore bolts were streched and one was loose. On Bus 1 A & C o had stSource info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 2014Support columns is very large with gussets at top but not at base. Support column is 15" Square and 7'-4" tall from top of lower support to bottom of top support. Pict. 1-37,15%Units did not have Bellville washers.Source info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 2015uThese units have much smaller section support column that 220 KV bus. Support post is 6-3/4"diameter and 7'-10" high.Units had Bellville washersNote that bus 2 side anchore bolts were streched and one was loose. On Bus 1 A & C o had streched bolts but were undamaged. Phase B did not strech but failed. Phase C gussett at base showed signs of distress. Pict 3-33Source info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 2016Bank F537000&3 phase Auto transformer 220 to 230 KVRadiators braced at the bottomWeld to embedment failed. It was a poor weld and not much material was put down. The concrete was fractured where the embedment tried to pull out. The transformer moved about 14" to the north. Pict 2-10,, 9, 8, 7, 6, 28-32Source info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 20175270003 phase Pict 2-133Radiators braced at the bottom, welded to embedmentSource info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 2018UWeld on one side channel failed. Other channel tore. Pict 2-35, 34, 33, 32, 29, 2-17Source info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 2019 V. Suspended Pict 24-6 bolts failed on restraint, WT okSource info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 2020 Pict 24-7, 8Source info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 2021V. Post Mounted+Units supported on three columns. Pict 24-4Source info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 2022 Pict 28-29*Ground Motion from Paul Somerville, Mw=6.7seismicSiemansCB57PuffersCurrent Transformer CTbrokenCT1composite bushingradiator leaksSource information from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from ASCE TCLEE Monograph 8, "Northridge Eq., Lifeline Performance and Post-Eq Response", ed. SchiffSS#1SS#2SS#3SS#4SS#5SS#6SS#7SS#8SS#9SS#10SS#11SS#12SS#13SS#14SS#15SS#16SS#17SS#18SS#19SS#20SS#21SS#22SS#23SS#24SS#25SS#26SS#27SS#28SS#29SS#30SS#31SS#32SS#33SS#34SS#35SS#36SS#37SS#38SS#39SS#40SS#41SS#42SS#43SS#44SS#45SS#46[Just the post insulator on the contact side failed. It was connected to the bus that fell.aunit adjacent to the dead tank CB had the blade misaligned. It is not know if it was functional.Southern StatesaThe insulator on the contact side had bolts fail at base of post. Inadequate thread penetration.sOne or both of the post insulators on the hinge side failed and the post insulator in the contact side also failed.tOne or both of the post insulators on the hinge side failed and the post insulator in the contact side did not fail.%Bus supported, bus sectioning switch.cIt appears these DS were pulled apart by the out of phase dynamic response of adjacent bus sections&Bus supported , bus sectioning switch.Supported on its own structure.&Not sure if any of these were damaged.-Mounted on radiator of 500/230 kV TR, Bank 9.9Mounted on 230/115 kV Bank 8. It is mounted on radiator.>Lattice-type post support. Adjacent to 500/230 kV TR, Bank 9.Bank 1C Bank 1, 2, 3 Small RadBank 8OA, FOA, FOA, sn C04169-5-211270 g of oil with wt of 84500, rad stick out 66", have large rad supports and relatively small rad. There is tertiary 13200 winding. Each TR has 5 bushings. Tertiary bus looks very flexible and< there is little slack to bushings and LA. Note TR for anchored by welding to embedmentMinor oil leaks.GNo impact on service. They may have been repaired by tightening bolts.Bank 9,Spec. 13135-A, sn C05322--5-1 (single phase)Rad. are are mounted on 3 sides, each with large box beam perp. to TR body with 4 rad. cores on each side of beam. Over all rad. is 68" out and 138" along TR. Lower rad support is large box beam that has no diagonal bracing but there are horizontal suppFO, FA, three phaseTR48020 g . TR is tall with small foot print. (about 13' x 13'). While rad are not very heavy, upper penetration supports total weight.^anchored by welding to embedment but angles are bolted to TR with what looks like small bolts.,Each WT is about 2' in diameter and 2' long.Mounted on structure with CVT,Each WT is about 2' in diameter and 3' long.DEach WT is about 3' in diameter and 5' long. Insulators are tapered.%Mounted on lattice structure with CVTporcelain supports failedwbus on site was 4 1/2 and 8 dia. al. pipe. West bus. Each bus has 6 insulator supports, each with 6 tapered sections.All post insulators supporting B phase bus failed, dropping the bus. Connector between top of post insulator and bus may have been weak spot. Some units failed at connection and some had porcelain failure. This was bus B phase on west side of site.East 3 phases of bus is 8". After earthquake there are 15 supports with 6 tapered elements, 7 with 2 elements, and 2 with 3 elements.pOne insulator supporting one bus C on east side of site failed, the bus dropped but did not fall or malfunction.uWest bus, A and C phase did not fail. Bus 8" diameter pipe, with 6 insulators per bus, each with 6 tapered sections.East 3 phases of bus is 8". After earthquake there are 15 supports with 6 tapered elements, 7 with 2 elements, and 2 with 3 elements. 8 insulators per bus.Data from Ref. 1 pp.7&9 SM Data: USGS 38, CDMG 94, PG&E ? Aftershock data obtained at Moss Landing and Metcalf that are being analyzed.(UBC S3) >500 ft alluvium/estuarine with some >20 ft bay mud layers overlying metavolcanic rock, (NEHRP D - stiff soil 180m/s200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)ATB7CB14Lattice type support structures were relatively tall, about 6', and appeared to be flexible in the longitudinal direction. Column natural frequencies of these CB are very low, about 1 or 2 Hz.bUnits were well anchored with cast-in-place bolts at each of 4 corners of the two support columns.FAir supply looked good. Lowest porcelain on CT support column failed.ATB7, ATB-242-43000-7This equipment was only viewed after it was in bone yard, so specific equipment could not be associated with specific dispatch positions, and parts could not always be associated with a single phase. It is assumed that at least one support column usuall&212, 222, 252, 262, 342, 372, 712, 722ATB 4 230-15000-41Do not have any details on damage of these units.7mounted on lattice structure that supported WT and CVT.-CVT porcelain column broke at base of column.may be more than oneCMounted on lattice structure with WT. There was at least one other.3how many were undamaged, and what was installation.*The insulators were cap&pin type (Victor)These units were supported high on the bus support structure, they were probably CB disconnect switches. They were mounted with the porcelain in the horizontal position.+There were two failures of post insulators.There were one to three type of failures. In one, a weld that connects the base of the plate that is bolted to the bottom flange of the post insulator failed so that no torque could be applied to the column to change the position of the switch. There wAHow many undamaged switches were there and how were they mounted?!The insulators were cap&pin type.5Mounted on body of 230/115 kV McGraw Edison TR Bank 7 TR MountedbMounted on General Electric TR Banks 5 & 6. It is not clear how they are mounted - body or boom.Seven TRs mounted on large elevated pads. Three mounted with bolts that were grouted in along sides of pad through large angle came lose. This was an old installation. The grout had the consistency of very weak plaster of Paris. The was no impact of operations."photo page 3-74 of EPRI NP-7500-SLReplace seals at upper connection to stop leaking. Not sure how many leaks. I think there were 4 TRs. On return visit I thought that deformation of lower support was recorded but I could not find it in my slides.6Excavate to remove soil that had absorbed spilled oil. Bank 5 & 6 MiscellaneousSection of rigid bus that passes over bus support structure and forms connection between flexible bus and CB had its end casting fail.4The fallen bus fell on flexible bus of three phases.]Hook connection between strain bus and bus support structure became unhooked and dropped bus. Transfer bus.tPost insulators supporting a section of transfer bus failed, allowing the bus to fall in one case or drop in another Transfer BusSection of rigid bus that that connects to flexible bus to by-pass CB on top of support structure had its end casting fail, allowing rigid bus to swing and come in contact with bus support structure.Synchronous CondensorSynchronous Condenser. When I visited the site, it looked like one of the units was being worked on. There was a portable nitrogen supply connected to the units. There may have been a gas leak. Morgan HillgData from pp407 ref 1 SM Data:72 total, CDMG, USGS, CDWR, IBM (Ref 1, pp 419) MMI Map on cover of Ref 1J1. Earthquake Spectra, Vol 1, No. 3, May 1985 2. CDMG OSMS 85-04 3. EPRI ?Circuit Switcher CSS & CCSCircuit switcher 115 kVBlew up.CB 112 relayed on fault pressure. There was not test made. Bank was inspected, looked OK and CB closed @ 1410. At 1425 117 blew up and CB 112 isolated station. Cleared 117 and picked up one bank.b(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sAo and Co LA drops from bus, Bo from bushing. see page 71 ASCEBo Bushing has damaged bus stud. All LA failed, A & C at standoffs and B at LA base. Conservator stretched bolts and shifted in slotted connections, strain piping and lost all 1000g oil. 6014 WilburzTR in accountic enclosure. Separately supported radiators. Conservator on 2 supports above TR. LA supported on frame. .All LA have bus drops from bus.vAll failed at standoffs and were not damaged. Signs of oil leak (spray on conservator) but source could not be found. 6015 WilburTR in accountic enclosure. Separately supported radiators, which were moderately large. Conservator on top of radiators. LA supported on independent posts without standoffs.LA drops from bus.ASigns of oil leak at valve inside of enclosure, but it looks old. 6016 WilburBank E138TLA on boom without standoffs. High voltage LA have drops from bus. see page 71 ASCE/Unit anchored with gusseted angle to pull tabs.230 KV LA failed. They were boom mounted without standoffs. Small radiators. Flexible end anchors to pull tabs contributed to failure of bolted angles along side. 6017 Wilbur These units have marginal slack.p1 WT w/ failed posts at lower sand ring, 2 failed welds at top of posts connecting to wave trap support channel.GTwo units were restored by bolting angles between channel and post cap. 6018 Wilbur 6019 Wilbur radiator leakSource info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 1995$Westinghous-Mitsubishi Power Breaker 200-SFMT-63B%Has very good slack to DSs. Pict 1-35,E91 A had a loose bolt at south east corner.Source info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 1996Siemens-Allis & ITE 1983 & 1971Source info. from open file report 94-141, February 1994, USGS, fault plane solution from report OSMS 94-07, Damage from Northridge Eq. Lifeline Performance & Post-Eq Response, TCLEE Monograph 8, 19974CD3675'Installed on 6-3/4" diameter 8'-6" tallGood slack in bus connection ?p-  pAj"(8.>/+'1_1*4R F6~ 797;ow<4>l"@ZBdEF|HIK`QW ]Y|>%} ??I} @@$} AAm} BB} CC } DD} EE$} Fm # EQ_NAMEFACIL_NAMEPGE_CLASSGFFFFFFFFF F F F F FFFDDDDDDDDDDDDDDDD   !   " "                  # # # #     # ! 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' (20@@@3~ 5p@ 8$ 9~ :@ ; = > ?~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @    ##~ 9@~ #@ | }~ #@ " $~ & @ ' ( 2~ 3@@~ 5p@ 8$ 9~ :@ ; = > ?~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @    ##~ 9@~ #@ | }~ #@ " $~ &@ ' ( 2~ 3@@ 8 9~ :@ ;~ C @ s~  @!w?~ (@&1l^@"`@"@ ~ @    ##~ 9@~ #@ | }~ #@ $~ &2@ ' 2~ 3l@ 9e ;#~ C @ s~  @!w?~ (@&1l^@"`@"@ ~ @    ##~ 9@~ #@ | }~ #@ $~ &@ ' 23l@Q@4 9.~ :@ ;/~ C @ s~  @!w?~ (@&1l^@"`@"@ ~ @    ##~ 9@~ #@ | }~ #@ $~ &@ ' 23@@l@4 9.~ :@ ;4~ C @ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &.@ ' (~ 3l@ 9 ;NB a@ Z@C s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &(@ ' ( 2~ 3l@ 9  ;!~ C @ s~  @!w?~ (@&1l^@"`@"@ ~ @ t     ##~ # K~ # $~ &? ' ( 2~ 3@@~ 5p@ 8$ 9~ :@ ;R~ <@ = > ? @~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &&@ ' ( 2~ 3@@~ 5p@ 8$ 9~ :@ ;R~ <@ = >~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &.@ ' 2~ 3l@ 9e ;#~ C @Dp9lhnv|DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &@ ' (~ 3l@ 8 9 ;~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &? 'l -o~ 3l@ ;nBa@ Z@C s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $ 'l -p~ 3l@ ;n~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $ 'l -m~ 3l@ ;n~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &@ 'l -p~ 3@@ ;q~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &(@ ' ~ 3@@ ;r~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &8@ '> 0y~ 3@@ ;zB_@ Z@C s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &@ '> 0y~ 3l@ ;| >~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &? ' +~ 3l@ 8 9~ :@ ;C = > ? @~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &@ ' +~ 3l@ ;C = >~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &@ ' +~ 3l@ ;C =~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &@ ' +&~ 3@@ ;( >B`@ Z@C s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ & @ ' )3l@\@4 8 9~ :x@ ;/~ <@ A = >~ C @@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &? ' 23l@\@4 8$ 9.~ :@ ;/~ C @@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &? ' )3@@l@4 8 9~ :@ ;4~ <A = >~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &@ ' )3@@l@4 8 9~ :@ ;4~ <O"A = >~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &@ ' )3@@l@4 8$ 9~ :@ ;4~ <`~"A = >~ C Z@ s~  @!w?~ (@&1l^@"`@"@ ~ @ t u    ##~ # K~ # $~ &@ ' ,~ 3@@ ;~ C Z@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &"@ ' (~ 3k@ ;N =~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &8@ ' (~ 3k@ ;! =~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' ( 2~ 3@@ 8 9 ; = > ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' ( 2~ 3@@ 8 9 ; = > ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' ( 2~ 3@@ 8$ 9 ; = >~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' 2~ 3k@ 8 9 ;= > ? @+~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' 2~ 3k@ 8 9 ;= > ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ 'l -p~ 3@@ 8 ;q~ C @ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ 'l -p~ 3@@ 8 ;q~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &? '  2~ 3@@ 8 ;r~ C @ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ '  2~ 3@@ 8 ;r ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ '  2~ 3@@ 8 ;r ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ '  2~ 3@@ 8 ;r ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &"@ '> 0y~ 3@@ 8 ;z ?~ C n@D4l|hRR`Rhn|nv`DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $ & '> 0y~ 3@@ 7 8 9 ;z~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &.@ '> 0y~ 3@@ 8 ;z~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &? '> 0 2~ 3k@ ;@ > ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &? '> 0 2~ 3k@ ;@ > ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &? '> 0 2~ 3k@ ;@ > ?i~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ '> 0y 2j~ 3k@ 8k 9l ;@ > ?m~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &U@ '>~ 3k@ ;@ >~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' 2n~ 3\@ ;= ?o~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ '~ 3k@ ;C=~ C @ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' 2p~ 3k@ 8 9q ;C= ?r~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' 2s~ 3k@ ;C= ?r~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' 2t~ 3k@ ;C= ?o~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &? '~ 3@@ 8u 9v ;(~ C @ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &"@ '~ 3@@ 8u 9v ;( ?w~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ 'x 2y~ 3k@ 8 9z ;{= ?|~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ 'x 2}~ 3k@ 8 9~ ;{= ?|~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ 'x .~ 3@@ 8 9 ; ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ 'x .~ 3@@ ; = ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' 23i@\@4 9 ;= ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &? ' 23@@k@4 8 9. ;4= > ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' 23@@k@4 8$ 9. ;4= > ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' ,~ 3@@ 8 ;=~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' ,~ 3@@ 8 ;=~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ '~ 3k@ 8 9 ; = >~ C @ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &? ' 2~ 3k@ 8 9 ; = > ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' 2~ 3k@ 8 9 ; = > ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' 2~ 3k@ 8 9 ; = > ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ ' ~ 3@@ ;!= > ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &P@ ' ~ 3@@ ;! =~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ & @ '~ 3@@ ;~ C @@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &Q@ '~ 3@@ ; = ?~ C n@ ~  n@ !9v@@+&]@"p@"(@      ###n?# c@#^@#`d@ x  ~ #K@ $~ &@ '~ 3@@ 8 9 ;= >~ C @@D6l|rDDDDDDDDD D D D D DDDDDDDDDDDDDDDDDDD ~  n@ !9v@@+&]@"p@"(@       ###n?# c@#^@#`d@ x  ~  #K@ $~ &@ '~ 3@@ 8 9 ;= > ?~ C n@ ~  @!a ` ?@f@"p@    ##u?6? h"?d;O? ;   $~ &K@ ' ( 2~ 3l@ 9  ;!~ C @ ~  @!a ` ?@f@"p@    ##u?6? h"?d;O? ;   $~ &[@ '> 0~ 3l@ ;@~ C @ ~  @!a ` ?@f@"p@    ##u?6? h"?d;O? ;   $~ &@ '~ 3l@ ;C~ C @ ~  @!a ` ?@f@"p@    ##u?6? h"?d;O? ;   $~ &@ ' 23l@P@4 9 ;~ C @ ~  @ !~j4A@ @"@"*@      ~  &@       ##~ #@#`"?#/$?#bX9?    $~ &O@ ' (~ 3k@ 9 ;N~ C @ ~  @ !~j4A@ @"@"*@      ~  &@       ##~ #@#`"?#/$?#bX9?    $~ &(@ ' (~ 3k@ 9= ;!~ C @ ~  @ !~j4A@ @"@"*@      ~  &@       ##~ #@#`"?#/$?#bX9?    $~ &b@ '> 0~ 3k@ ;@~ C @ ~  @ !~j4A@ @"@"*@      ~  &@       ##~ #@#`"?#/$?#bX9?    $~ &8@ '~ 3k@ ;C~ C @ ~  @ ! ~j4A@  @"@"*@      ~  &@       ##~ #@ #`"? #/$? #bX9?    $~ &@ ' ) 3k@,@4 9. ;/~ C @ ~  @ ! ~j4A@  @"@"*@      ~  &@       ##~ #@ #`"? #/$? #bX9?    $~ &@ ' 2 3k@P@4 9. ;/~ C @ ~  @ ! ~j4A@  @"@"*@      ~  &@       ##~ #@ #`"? #/$? #bX9?    $~ &@ ' ) 2 3k@,@4 9 ;~ C @ ~  @ ! ~j4A@  @"@"*@      ~  &@       ## 5^I ?  rh? x&1? K?    $~ &@ ' (~ 3k@ 9 ;N~ C @ ~  @ ! ~j4A@  @"@"*@      ~  &@       ## 5^I ?  rh? x&1? K?    $~ &(@ ' (~ 3k@ 9  ;!~ C @ ~  @ !~j4A@ @"@"*@      ~  &@       ##5^I ? rh?x&1?K?    $~ &E@ '> 0 2~ 3k@ ;@~ C @ ~  @ !~j4A@ @"@"*@      ~  &@       ##5^I ? rh?x&1?K?    $~ &? '~ 3N@ ; > ?~ C ^@ ~  @ !~j4A@ @"@"*@      ~  &@       ##5^I ? rh?x&1?K?    $ & '~ 3N@ ; > ?~ C ^@ ~  @ !~j4A@ @"@"*@      ~  &@       ##5^I ? rh?x&1?K?    $~ &@ '~ 3k@ ;C~ C @ ~  @ !~j4A@ @"@"*@      ~  &@       ##5^I ? rh?x&1?K?    $~ &@ ' 23k@P@4 9. ;/~ C @ ~  @ !~j4A@ @"@"*@      ~  &@       ##*@7@S?Zd;?    $~ &K@ ' ( 2~ 3k@ 9 ;N~ C @ ~  @ !~j4A@ @"@"*@      ~  &@       ##*@7@S?Zd;?    $~ &[@ '> 0 2~ 3k@ ;|~ C @ ~  @ !~j4A@ @"@"*@      ~  &@       ##*@7@S?Zd;?    $~ &.@ '~ 3k@ ;C~ C @ ~  @ !~j4A@ @"@"*@      ~  &@       ##*@7@S?Zd;?    $~ &@ ' 23k@P@4 9 ;~ C @ ~  @ !~j4A@ @"@"*@      ~  &@       ##*@7@S?Zd;?    $~ &? 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Z  Z kk Z%"Ground motion from Paul Somerville Z Z!Z"Z#lkZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-3578Z2-Whittier Narrows8ZSS#18ZSCE9Z Power Plant9Z Long BeachZZZZ Z V-? Z  Z 09 Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#x9Z1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357x:Z2-Whittier Narrows:ZSS#2:ZSCE XZTransmission SSh<Z2nd Ave & St. JosephZZZZ Z w/? Z  Z : Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#,;Z1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357,<Z2-Whittier NarrowsT<ZSS#4`<ZSCE,>ZTransmission SS>Z NorwalkZZZZ Z )\(? Z  Z < Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#<Z1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357=Z2-Whittier Narrows>ZSS#4>ZSCE?ZTransmission SS?Z NorwalkZZZZ Z )\(? Z  Z L> Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#>Z1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357?Z2-Whittier Narrows?ZSS#4?ZSCEAZTransmission SSAZ NorwalkZZZZ Z )\(? Z  Z @ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#H@Z1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357HAZ2-Whittier NarrowspAZSS#4|AZSCEHCZTransmission SS8CZ NorwalkZZZZ Z )\(? Z  Z A Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#AZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357BZ2-Whittier Narrows$CZSS#40CZSCEDZTransmission SSDZ NorwalkZZZZ Z )\(? Z  Z hC Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#CZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357 DZ 2-Whittier Narrows D Z SS#6 D Z SCE pW Z Transmission SS F Z  Cerritos  Z   Z   Z   Z   Z  MbX9? Z   Z  E Z %"Ground motion from Paul Somerville  Z   Z !  Z "  Z # dE Z 1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357 dF Z 2-Whittier Narrows F Z SS#6 F Z SCE PW Z Transmission SS TH Z  Cerritos  Z   Z   Z   Z   Z  MbX9? Z   Z  F Z %"Ground motion from Paul Somerville  Z   Z !  Z "  Z # G Z 1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357 H Z 2-Whittier Narrows @H Z SS#6 LH Z SCE 0W Z Transmission SS J Z  Cerritos  Z   Z   Z   Z   Z  MbX9? Z   Z  H Z %"Ground motion from Paul Somerville  Z   Z !  Z "  Z # H Z 1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357 I Z 2-Whittier Narrows I Z SS#8 J Z SCE K Z Transmission SS  Z   Z   Z   Z   Z   Z  B`"۹? Z   Z  8J Z %"Ground motion from Paul Somerville  Z   Z !  Z "  Z # J Z 1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357 K Z 2-Whittier Narrows K Z SS#8 K Z SCE pM Z Transmission SS  Z   Z   Z   Z   Z   Z  B`"۹? Z   Z  K Z %"Ground motion from Paul Somerville  Z   Z !  Z "  Z # 4L Z 1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-3574M Z2-Whittier Narrows\MZSS#8hMZSCE0OZTransmission SSZZZZZ Z B`"۹? Z  Z M Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#MZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357NZ2-Whittier Narrows$OZSS#11OZSCEPZTransmission SSVZ'$Compton Blvd east of Avalon, ComptonZZZZ Z Mb? Z  Z TO Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#OZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357PZ2-Whittier NarrowsPZSS#11PZSCERZTransmission SSVZ'$Compton Blvd east of Avalon, ComptonZZZZ Z Mb? Z  Z Q Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#PQZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357PRZ2-Whittier NarrowsRZSS#15RZSCELTZTransmission SSZZZZZ Z Q? Z  Z R Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#SZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357TZ2-Whittier Narrows@TZSS#338TZSCEUZTransmission SSlVZ1371 Monterey Pass RdZZZZ Z S? Z  Z pT Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#TZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357UZ CoalingaVZSS#12UZPG&EZZZZZZ Z v? Z  Z $V Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#ЂZ1. Coalinga,CA, EQ of May 2, 1983, EERI Report 84-03, Jan. 1984 2. CDMG OSMS 83-5.2 3. PG&E, Coalinga EQ of May 2, 1983, Field Inspection Report (unbound), July 20, 1983WZ CoalingaWZSS#12WZPG&EZZZZZZ Z v? Z  Z W Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#wZ1. Coalinga,CA, EQ of May 2, 1983, EERI Report 84-03, Jan. 1984 2. CDMG OSMS 83-5.2 3. PG&E, Coalinga EQ of May 2, 1983, Field Inspection Report (unbound), July 20, 1983HYZ CoalingahYZSS#12\YZPG&EZZZZZZ Z v? Z  Z Y Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#uZ1. Coalinga,CA, EQ of May 2, 1983, EERI Report 84-03, Jan. 1984 2. CDMG OSMS 83-5.2 3. PG&E, Coalinga EQ of May 2, 1983, Field Inspection Report (unbound), July 20, 1983ZZ Coalinga[ZSS#12[ZPG&EZZZZZZ Z v? Z  Z @[ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#ptZ1. Coalinga,CA, EQ of May 2, 1983, EERI Report 84-03, Jan. 1984 2. CDMG OSMS 83-5.2 3. PG&E, Coalinga EQ of May 2, 1983, Field Inspection Report (unbound), July 20, 1983\Z Coalinga\ZSS#12\ZPG&EZZZZZZ Z v? Z  Z \ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#sZ1. Coalinga,CA, EQ of May 2, 1983, EERI Report 84-03, Jan. 1984 2. CDMG OSMS 83-5.2 3. PG&E, Coalinga EQ of May 2, 1983, Field Inspection Report (unbound), July 20, 1983d^Z Coalinga^ZSS#12x^ZPG&EZZZZZZ Z v? Z  Z ^ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#qZ1. Coalinga,CA, EQ of May 2, 1983, EERI Report 84-03, Jan. 1984 2. CDMG OSMS 83-5.2 3. PG&E, Coalinga EQ of May 2, 1983, Field Inspection Report (unbound), July 20, 1983`Z Coalinga8`ZSS#12,`ZPG&EZZZZZZ Z v? Z  Z \` Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#tpZ1. Coalinga,CA, EQ of May 2, 1983, EERI Report 84-03, Jan. 1984 2. CDMG OSMS 83-5.2 3. PG&E, Coalinga EQ of May 2, 1983, Field Inspection Report (unbound), July 20, 1983aZ CoalingaaZSS#12aZPG&EZZZZZZ Z v? Z  Z b Z%"Ground motion from Paul Somerville  Z  Z!Z"Z# oZ1. Coalinga,CA, EQ of May 2, 1983, EERI Report 84-03, Jan. 1984 2. CDMG OSMS 83-5.2 3. PG&E, Coalinga EQ of May 2, 1983, Field Inspection Report (unbound), July 20, 1983cZ CoalingacZSS#12cZPG&EZZZZZZ Z v? Z  Z c Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#mZ1. Coalinga,CA, EQ of May 2, 1983, EERI Report 84-03, Jan. 1984 2. CDMG OSMS 83-5.2 3. PG&E, Coalinga EQ of May 2, 1983, Field Inspection Report (unbound), July 20, 1983HeZ Landers4eZSS#5@eZSCEeZGenerating StationxeZ DaggettZZZZ Z I +? Z  Z e ZLIground motion from Paul Somerville, Mw=7.3, Ref 1 has records and spectra  Z  Z!Z"Z#hZ851. EPRI TR-103454 June 24 1992 Landers & Big Bear Eq.fZ LandersfZSS#5fZSCE? lZ  Landers l Z SS#5 l Z SCE Xl Z Generating Station Hl Z  Daggett  Z   Z   Z   Z   Z  I +? Z   Z  l Z LIground motion from Paul Somerville, Mw=7.3, Ref 1 has records and spectra  Z   Z !  Z "  Z # d Z 851. EPRI TR-103454 June 24 1992 Landers & Big Bear Eq.!T Z! Landers!m!Z!SS#5!m!Z!SCE!,!Z!Generating Station!!Z! Daggett!!Z!!!Z!!!Z!!!Z!! !Z!! I +?! Z!! ! Z!! ! Z!LIground motion from Paul Somerville, Mw=7.3, Ref 1 has records and spectra! ! Z! !! Z!!!!Z!"!!Z!#!!Z!851. EPRI TR-103454 June 24 1992 Landers & Big Bear Eq."!Z" Loma Prieta" "Z"SS#24" "Z"PG&E" "Z"Transmission SS""Z"""Z"""Z"""Z"""Z"" "Z"" {Pk?" Z"" " Z"" t " Z"-*ground motion from Paul Somerville, Mw=7.0" " Z" "" Z"!""Z""""Z"#" "Z"1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS# "Z# Loma Prieta# #Z#SS#24# #Z#PG&E#t #Z#Transmission SS##Z###Z###Z###Z###Z## #Z## {Pk?# Z## # Z##  # Z#-*ground motion from Paul Somerville, Mw=7.0# # Z# ## Z#!##Z#"##Z###l #Z#1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS$T #Z$ Loma Prieta$H $Z$SS#24$< $Z$PG&E$ $Z$Transmission SS$$Z$$$Z$$$Z$$$Z$$$Z$$ $Z$$ {Pk?$ Z$$ $ Z$$ $ Z$-*ground motion from Paul Somerville, Mw=7.0$ $ Z$ $$ Z$!$$Z$"$$Z$#$$Z$1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS%$Z% Loma Prieta%%Z%SS#24%%Z%PG&E%%Z%Transmission SS%%Z%%%Z%%%Z%%%Z%%%Z%% %Z%% {Pk?% Z%% % Z%% l% Z%-*ground motion from Paul Somerville, Mw=7.0% % Z% %% Z%!%%Z%"%%Z%#%%Z%1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS&%Z& Loma Prieta&&Z&SS#24&&Z&PG&E&l&Z&Transmission SS&&Z&&&Z&&&Z&&&Z&&&Z&& &Z&& {Pk?& Z&& & Z&& & Z&-*ground motion from Paul Somerville, Mw=7.0& & Z& && Z&!&&Z&"&&Z&#&d&Z&1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS'L&Z' Loma Prieta'@'Z'SS#24'4'Z'PG&E''Z'Transmission SS''Z'''Z'''Z'''Z'''Z'' 'Z'' {Pk?' Z'' ' Z'' ' Z'-*ground motion from Paul Somerville, Mw=7.0' ' Z' '' Z'!''Z'"''Z'#' 'Z'1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS(y'Z( Loma Prieta(y(Z(SS#24(y(Z(PG&E(y(Z(Transmission SS((Z(((Z(((Z(((Z(((Z(( (Z(( {Pk?( Z(( ( Z(( 0z( Z(-*ground motion from Paul Somerville, Mw=7.0( ( Z( (( Z(!((Z("((Z(#(0(Z(1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS){(Z) Loma Prieta)x{)Z)SS#24)l{)Z)PG&E){)Z)Transmission SS))Z)))Z)))Z)))Z)))Z)) )Z)) {Pk?) Z)) ) Z)) {) Z)-*ground motion from Paul Somerville, Mw=7.0) ) Z) )) Z)!))Z)"))Z)#))Z)1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS*X})Z* Loma Prieta*,}*Z*SS#24* }*Z*PG&E*8}*Z*Transmission SS**Z***Z***Z***Z***Z** *Z** {Pk?* Z** * Z** }* Z*-*ground motion from Paul Somerville, Mw=7.0* * Z* ** Z*!**Z*"**Z*#*Љ*Z*1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS+ *Z+ Loma Prieta+~+Z+SS#24+~+Z+PG&E+~+Z+Transmission SS++Z+++Z+++Z+++Z+++Z++ +Z++ {Pk?+ Z++ + Z++ L+ Z+-*ground motion from Paul Somerville, Mw=7.0+ + Z+ ++ Z+!++Z+"++Z+#+ +Z+1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS,+Z, Loma Prieta,,Z,SS#24,,Z,PG&E,,Z,Transmission SS,,Z,,,Z,,,Z,,,Z,,,Z,, ,Z,, {Pk?, Z,, , Z,, , Z,-*ground motion from Paul Somerville, Mw=7.0, , Z, ,, Z,!,,Z,",,Z,#,p,Z,1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS-t,Z- Loma Prieta-H-Z-SS#24-<-Z-PG&E-T-Z-Transmission SS--Z---Z---Z---Z---Z-- -Z-- {Pk?- Z-- - Z-- - Z--*ground motion from Paul Somerville, Mw=7.0- - Z- -- Z-!--Z-"--Z-#--Z-1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS.(-Z. Loma Prieta..Z.SS#24..Z.PG&E..Z.Transmission SS..Z...Z...Z...Z...Z.. .Z.. {Pk?. Z.. . Z.. h. Z.-*ground motion from Paul Somerville, Mw=7.0. . Z. .. Z.!..Z."..Z.#..Z.1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS/.Z/ Loma Prieta//Z/SS#24//Z/PG&E//Z/Transmission SS//Z///Z///Z///Z///Z// /Z// {Pk?/ Z// / Z// `/ Z/-*ground motion from Paul Somerville, Mw=7.0/ / Z/ // Z/!//Z/"//Z/#//Z/1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS0/Z0 Loma Prieta00Z0SS#2400Z0PG&E0`0Z0Transmission SS00Z000Z000Z000Z000Z00 0Z00 {Pk?0 Z00 0 Z00 0 Z0-*ground motion from Paul Somerville, Mw=7.00 0 Z0 00 Z0!00Z0"00Z0#0X0Z01. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS1@0Z1 Loma Prieta141Z1SS#241(1Z1PG&E11Z1Transmission SS11Z111Z111Z111Z111Z11 1Z11 {Pk?1 Z11 1 Z11 1 Z1-*ground motion from Paul Somerville, Mw=7.01 1 Z1 11 Z1!11Z1"11Z1#11Z11. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS21Z2 Loma Prieta22Z2SS#2422Z2PG&E22Z2Transmission SS22Z222Z222Z222Z222Z22 2Z22 {Pk?2 Z22 2 Z22 X2 Z2-*ground motion from Paul Somerville, Mw=7.02 2 Z2 22 Z2!22Z2"22Z2#22Z21. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS32Z3 Loma Prieta33Z3SS#243x3Z3PG&E3X3Z3Transmission SS33Z333Z333Z333Z333Z33 3Z33 {Pk?3 Z33 3 Z33 3 Z3-*ground motion from Paul Somerville, Mw=7.03 3 Z3 33 Z3!33Z3"33Z3#3P3Z31. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS483Z4 Loma Prieta4,4Z4SS#244 4Z4PG&E44Z4Transmission SS44Z444Z444Z444Z444Z44 4Z44 {Pk?4 Z44 4 Z44 4 Z4-*ground motion from Paul Somerville, Mw=7.04 4 Z4 44 Z4!44Z4"44Z4#44Z41. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS54Z5 Loma Prieta5菂5Z5SS#245܏5Z5PG&E55Z5Transmission SS55Z555Z555Z555Z555Z55 5Z55 {Pk?5 Z55 5 Z55 T5 Z5-*ground motion from Paul Somerville, Mw=7.05 5 Z5 55 Z5!55Z5"55Z5#55Z51. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS6ȑ5Z6 Loma Prieta66Z6SS#2466Z6PG&E66Z6Transmission SS66Z666Z666Z666Z666Z66 6Z66 {Pk?6 Z66 6 Z66 6 Z6-*ground motion from Paul Somerville, Mw=7.06 6 Z6 66 Z6!66Z6"66Z6#6T6Z61. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS7|6Z7 Loma Prieta7P7Z7SS#247D7Z7PG&E7\7Z7Transmission SS77Z777Z777Z777Z777Z77 7Z77 {Pk?7 Z77 7 Z77 7 Z7-*ground motion from Paul Somerville, Mw=7.07 7 Z7 77 Z7!77Z7"77Z7#77Z71. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS807Z8 Loma Prieta88Z8SS#2488Z8PG&E88Z8Transmission SS88Z888Z888Z888Z888Z88 8Z88 {Pk?8 Z88 8 Z88 p8 Z8-*ground motion from Paul Somerville, Mw=7.08 8 Z8 88 Z8!88Z8"88Z8#88Z81. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS9䖂8Z9 Loma Prieta99Z9SS#2499Z9PG&E9Ė9Z9Transmission SS99Z999Z999Z999Z999Z99 9Z99 {Pk?9 Z99 9 Z99 $9 Z9-*ground motion from Paul Somerville, Mw=7.09 9 Z9 99 Z9!99Z9"99Z9#9D9Z91. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS:9Z: Loma Prieta:l:Z:SS#24:`:Z:PG&E:x:Z:Transmission SS::Z:::Z:::Z:::Z:::Z:: :Z:: {Pk?: Z:: : Z:: ؘ: Z:-*ground motion from Paul Somerville, Mw=7.0: : Z: :: Z:!::Z:"::Z:#::Z:1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS;L:Z; Loma Prieta; ;Z;SS#24;;Z;PG&E;,;Z;Transmission SS;;Z;;;Z;;;Z;;;Z;;;Z;; ;Z;; {Pk?; Z;; ; Z;; ; Z;-*ground motion from Paul Somerville, Mw=7.0; ; Z; ;; Z;!;;Z;";;Z;#;䛂;Z;1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS<̛;Z< Loma Prieta<<Z<SS#24<<Z<PG&E<<Z<Transmission SS<<Z<<<Z<<<Z<<<Z<<<Z<< <Z<< {Pk?< Z<< < Z<< t< Z<-*ground motion from Paul Somerville, Mw=7.0< < Z< << Z<!<<Z<"<<Z<#<<Z<1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS=<Z= Loma Prieta==Z=SS#24==Z=PG&E=t=Z=Transmission SS==Z===Z===Z===Z===Z== =Z== {Pk?= Z== = Z== = Z=-*ground motion from Paul Somerville, Mw=7.0= = Z= == Z=!==Z="==Z=#=l=Z=1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS>T=Z> Loma Prieta>>>#24><>Z>PG&E>>Z>Transmission SS>>Z>>>Z>>>Z>>>Z>>>Z>> >Z>> {Pk?> Z>> > Z>> > Z>-*ground motion from Paul Somerville, Mw=7.0> > Z> >> Z>!>>Z>">>Z>#>>Z>1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS?>Z? Loma Prieta??Z?SS#24??Z?PG&E??Z?Transmission SS??Z???Z???Z???Z???Z?? ?Z?? {Pk?? Z?? ? Z?? l? Z?-*ground motion from Paul Somerville, Mw=7.0? ? Z? ?? Z?!??Z?"??Z?#??Z?1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSDul((@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_@?Z@ Loma Prieta@@Z@SS#24@@Z@PG&E@l@Z@Transmission SS@@Z@@@Z@@@Z@@@Z@@@Z@@ @Z@@ {Pk?@ Z@@ @ Z@@ @ Z@-*ground motion from Paul Somerville, Mw=7.0@ @ Z@ @@ Z@!@@Z@"@@Z@#@d@Z@1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSAL@ZA Loma PrietaA@AZASS#24A4AZAPG&EAAZATransmission SSAAZAAAZAAAZAAAZAAAZAA AZAA {Pk?A ZAA A ZAA A ZA-*ground motion from Paul Somerville, Mw=7.0A A ZA AA ZA!AAZA"AAZA#A AZA1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSBAZB Loma PrietaBBZBSS#24BBZBPG&EBBZBTransmission SSBBZBBBZBBBZBBBZBBBZBB BZBB {Pk?B ZBB B ZBB dB ZB-*ground motion from Paul Somerville, Mw=7.0B B ZB BB ZB!BBZB"BBZB#BߪBZB1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSC짂BZC Loma PrietaCCZCSS#24CCZCPG&EÇCZCTransmission SSCCZCCCZCCCZCCCZCCCZCC CZCC {Pk?C ZCC C ZCC ,C ZC-*ground motion from Paul Somerville, Mw=7.0C C ZC CC ZC!CCZC"CCZC#CCZC1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSDCZD Loma PrietaDtDZDSS#24DhDZDPG&EDDZDTransmission SSDDZDDDZDDDZDDDZDDDZDD DZDD {Pk?D ZDD D ZDD ੂD ZD-*ground motion from Paul Somerville, Mw=7.0D D ZD DD ZD!DDZD"DDZD#DԻDZD1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSETDZE Loma PrietaE(EZESS#24EEZEPG&EE4EZETransmission SSEEZEEEZEEEZEEEZEEEZEE EZEE {Pk?E ZEE E ZEE E ZE-*ground motion from Paul Somerville, Mw=7.0E E ZE EE ZE!EEZE"EEZE#E$EZE1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSFEZF Loma PrietaFܬFZFSS#24FЬFZFPG&EF謂FZFTransmission SSFFZFFFZFFFZFFFZFFFZFF FZFF {Pk?F ZFF F ZFF HF ZF-*ground motion from Paul Somerville, Mw=7.0F F ZF FF ZF!FFZF"FFZF#FtFZF1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSGFZG Loma PrietaGGZGSS#24GGZGPG&EGGZGTransmission SSGGZGGGZGGGZGGGZGGGZGG GZGG {Pk?G ZGG G ZGG G ZG-*ground motion from Paul Somerville, Mw=7.0G G ZG GG ZG!GGZG"GGZG#GĶGZG1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSHpGZH Loma PrietaHDHZHSS#24H8HZHPG&EHPHZHTransmission SSHHZHHHZHHHZHHHZHHHZHH HZHH {Pk?H ZHH H ZHH H ZH-*ground motion from Paul Somerville, Mw=7.0H H ZH HH ZH!HHZH"HHZH#HHZH1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSI$HZI Loma PrietaIIZISS#24I챂IZIPG&EIIZITransmission SSIIZIIIZIIIZIIIZIIIZII IZII {Pk?I ZII I ZII dI ZI-*ground motion from Paul Somerville, Mw=7.0I I ZI II ZI!IIZI"IIZI#IdIZI1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSJߪIZJ Loma PrietaJߪJZJSS#24JߪJZJPG&EJdߪJZJTransmission SSJJZJJJZJJJZJJJZJJJZJJ JZJJ {Pk?J ZJJ J ZJJ  ߪJ ZJ-*ground motion from Paul Somerville, Mw=7.0J J ZJ JJ ZJ!JJZJ"JJZJ#J\ݪJZJ1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSKDݪJZK Loma PrietaK8ݪKZKSS#25K,ݪKZKPG&EK ݪKZKTransmission SSKKZKKKZKKKZKKKZKKKZKK KZKK H?K ZKK K ZKK ܪK ZK-*ground motion from Paul Somerville, Mw=7.0K K ZK KK ZK!KKZK"KKZK#KڪKZK1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSLڪKZL Loma PrietaLڪLZLSS#25LڪLZLPG&ELڪLZLTransmission SSLLZLLLZLLLZLLLZLLLZLL LZLL H?L ZLL L ZLL <ڪL ZL-*ground motion from Paul Somerville, Mw=7.0L L ZL LL ZL!LLZL"LLZL#LlتLZL1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSMTتLZM Loma PrietaMHتMZMSS#25M<تMZMPG&EMتMZMTransmission SSMMZMMMZMMMZMMMZMMMZMM MZMM H?M ZMM M ZMM תM ZM-*ground motion from Paul Somerville, Mw=7.0M M ZM MM ZM!MMZM"MMZM#MժMZM1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSNժMZN Loma PrietaNժNZNSS#25NժNZNPG&ENժNZNTransmission SSNNZNNNZNNNZNNNZNNNZNN NZNN H?N ZNN N ZNN LժN ZN-*ground motion from Paul Somerville, Mw=7.0N N ZN NN ZN!NNZN"NNZN#N|ӪNZN1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSOdӪNZO Loma PrietaOXӪOZOSS#25OLӪOZOPG&EO,ӪOZOTransmission SSOOZOOOZOOOZOOOZOOOZOO OZOO H?O ZOO O ZOO ҪO ZO-*ground motion from Paul Somerville, Mw=7.0O O ZO OO ZO!OOZO"OOZO#OѪOZO1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSPЪOZP Loma PrietaPЪPZPSS#25PЪPZPPG&EPЪPZPTransmission SSPPZPPPZPPPZPPPZPPPZPP PZPP H?P ZPP P ZPP \ЪP ZP-*ground motion from Paul Somerville, Mw=7.0P P ZP PP ZP!PPZP"PPZP#PΪPZP1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSQĿPZQ Loma PrietaQQZQSS#25QQZQPG&EQQZQTransmission SSQQZQQQZQQQZQQQZQQQZQQ QZQQ H?Q ZQQ Q ZQQ Q ZQ-*ground motion from Paul Somerville, Mw=7.0Q Q ZQ QQ ZQ!QQZQ"QQZQ#QςQZQ1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSRxQZR Loma PrietaRLRZRSS#25R@RZRPG&ERXRZRTransmission SSRRZRRRZRRRZRRRZRRRZRR RZRR H?R ZRR R ZRR R ZR-*ground motion from Paul Somerville, Mw=7.0R R ZR RR ZR!RRZR"RRZR#RD͂RZR1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSS,ÂRZS Loma PrietaSÂSZSSS#25S‚SZSPG&ES ÂSZSTransmission SSSSZSSSZSSSZSSSZSSSZSS SZSS H?S ZSS S ZSS lÂS ZS-*ground motion from Paul Somerville, Mw=7.0S S ZS SS ZS!SSZS"SSZS#St˂SZS1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSTĂSZT Loma PrietaTĂTZTSS#25TĂTZTPG&ETĂTZTTransmission SSTTZTTTZTTTZTTTZTTTZTT TZTT H?T ZTT T ZTT  łT ZT-*ground motion from Paul Somerville, Mw=7.0T T ZT TT ZT!TTZT"TTZT#TɂTZT1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSUƂTZU Loma PrietaUhƂUZUSS#25U\ƂUZUPG&EUtƂUZUTransmission SSUUZUUUZUUUZUUUZUUUZUU UZUU H?U ZUU U ZUU ƂU ZU-*ground motion from Paul Somerville, Mw=7.0U U ZU UU ZU!UUZU"UUZU#UǂUZU1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSVtΪUZV Loma PrietaVhΪVZVSS#25V\ΪVZVPG&EV<ΪVZVTransmission SSVVZVVVZVVVZVVVZVVVZVV VZVV H?V ZVV V ZVV ͪV ZV-*ground motion from Paul Somerville, Mw=7.0V V ZV VV ZV!VVZV"VVZV#V̪VZV1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSW˪VZW Loma PrietaW˪WZWSS#25W˪WZWPG&EW˪WZWTransmission SSWWZWWWZWWWZWWWZWWWZWW WZWW H?W ZWW W ZWW l˪W ZW-*ground motion from Paul Somerville, Mw=7.0W W ZW WW ZW!WWZW"WWZW#WɪWZW1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSXɪWZX Loma PrietaXxɪXZXSS#25XlɪXZXPG&EXLɪXZXTransmission SSXXZXXXZXXXZXXXZXXXZXX XZXX H?X ZXX X ZXX ȪX ZX-*ground motion from Paul Somerville, Mw=7.0X X ZX XX ZX!XXZX"XXZX#X$ǪXZX1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSY ǪXZY Loma PrietaYǪYZYSS#25YƪYZYPG&EYƪYZYTransmission SSYYZYYYZYYYZYYYZYYYZYY YZYY H?Y ZYY Y ZYY |ƪY ZY-*ground motion from Paul Somerville, Mw=7.0Y Y ZY YY ZY!YYZY"YYZY#YĪYZY1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URSZĪYZZ Loma PrietaZĪZZZSS#25Z|ĪZZZPG&EZ\ĪZZZTransmission SSZZZZZZZZZZZZZZZZZZZZZ ZZZZ H?Z ZZZ Z ZZZ ĪZ ZZ-*ground motion from Paul Somerville, Mw=7.0Z Z ZZ ZZ ZZ!ZZZZ"ZZZZ#Z4ªZZZ1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URS[ªZZ[ Loma Prieta[ª[Z[SS#25[ª[Z[PG&E[[Z[Transmission SS[[Z[[[Z[[[Z[[[Z[[[Z[[ [Z[[ H?[ Z[[ [ Z[[ [ Z[-*ground motion from Paul Somerville, Mw=7.0[ [ Z[ [[ Z[![[Z["[[Z[#[[Z[1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI NP-7500-SL 6. EPRI draft aftershock report from URS\҂[Z\ Loma Prieta\T҂\Z\SS#26\H҂\Z\PG&E\`҂\Z\Transmission SS\\Z\\\Z\\\Z\\\Z\\\Z\\ \Z\\ I.!?\ Z\\ \ Z\\ ҂\ Z\-*ground motion from Paul Somerville, Mw=7.0\ \ Z\ \\ Z\!\\Z\"\\Z\#\\Z\1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS]4Ԃ\Z] Loma Prieta]Ԃ]Z]SS#26]ӂ]Z]PG&E]Ԃ]Z]Transmission SS]]Z]]]Z]]]Z]]]Z]]]Z]] ]Z]] I.!?] Z]] ] Z]] tԂ] Z]-*ground motion from Paul Somerville, Mw=7.0] ] Z] ]] Z]!]]Z]"]]Z]#]]Z]1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS^Ղ]Z^ Loma Prieta^Ղ^Z^SS#26^Ղ^Z^PG&E^Ղ^Z^Transmission SS^^Z^^^Z^^^Z^^^Z^^^Z^^ ^Z^^ I.!?^ Z^^ ^ Z^^ (ւ^ Z^-*ground motion from Paul Somerville, Mw=7.0^ ^ Z^ ^^ Z^!^^Z^"^^Z^#^`^Z^1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS_ׂ^Z_ Loma Prieta_pׂ_Z_SS#26_dׂ_Z_PG&E_|ׂ_Z_Transmission SS__Z___Z___Z___Z___Z__ _Z__ I.!?_ Z__ _ Z__ ׂ_ Z_-*ground motion from Paul Somerville, Mw=7.0_ _ Z_ __ Z_!__Z_"__Z_#__Z_1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSDwl`abcdefghijklmnopqrstuvwxyz{|}~`Pق_Z` Loma Prieta`$ق`Z`SS#26`ق`Z`PG&E`0ق`Z`Transmission SS``Z```Z```Z```Z```Z`` `Z`` I.!?` Z`` ` Z`` ق` Z`-*ground motion from Paul Somerville, Mw=7.0` ` Z` `` Z`!``Z`"``Z`#`߂`Z`1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSaۂ`Za Loma PrietaaڂaZaSS#26aڂaZaPG&EaڂaZaTransmission SSaaZaaaZaaaZaaaZaaaZaa aZaa I.!?a Zaa a Zaa Dۂa Za-*ground motion from Paul Somerville, Mw=7.0a a Za aa Za!aaZa"aaZa#aP݂aZa1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSb܂aZb Loma Prietab܂bZbSS#26b܂bZbPG&Eb܂bZbTransmission SSbbZbbbZbbbZbbbZbbbZbb bZbb I.!?b Zbb b Zbb ܂b Zb-*ground motion from Paul Somerville, Mw=7.0b b Zb bb Zb!bbZb"bbZb#b bZb1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URScbZc Loma Prietac轪cZcSS#26cܽcZcPG&EccZcTransmission SSccZcccZcccZcccZcccZcc cZcc I.!?c Zcc c Zcc dc Zc-*ground motion from Paul Somerville, Mw=7.0c c Zc cc Zc!ccZc"ccZc#ccZc1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSdcZd Loma PrietaddZdSS#26ddZdPG&EdddZdTransmission SSddZdddZdddZdddZdddZdd dZdd I.!?d Zdd d Zdd  d Zd-*ground motion from Paul Somerville, Mw=7.0d d Zd dd Zd!ddZd"ddZd#d\dZd1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSeDdZe Loma Prietae8eZeSS#26e,eZePG&Ee eZeTransmission SSeeZeeeZeeeZeeeZeeeZee eZee I.!?e Zee e Zee e Ze-*ground motion from Paul Somerville, Mw=7.0e e Ze ee Ze!eeZe"eeZe#eeZe1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSf춪eZf Loma PrietafඪfZfSS#26fԶfZfPG&EffZfTransmission SSffZfffZfffZfffZfffZff fZff I.!?f Zff f Zff \f Zf-*ground motion from Paul Somerville, Mw=7.0f f Zf ff Zf!ffZf"ffZf#ffZf1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSgfZg Loma PrietaggZgSS#26g|gZgPG&Eg\gZgTransmission SSggZgggZgggZgggZgggZgg gZgg I.!?g Zgg g Zgg g Zg-*ground motion from Paul Somerville, Mw=7.0g g Zg gg Zg!ggZg"ggZg#gTgZg1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSh<gZh Loma Prietah0hZhSS#26h$hZhPG&EhhZhTransmission SShhZhhhZhhhZhhhZhhhZhh hZhh I.!?h Zhh h Zhh h Zh-*ground motion from Paul Somerville, Mw=7.0h h Zh hh Zh!hhZh"hhZh#hhZh1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSihZi Loma PrietaixiZiSS#26iliZiPG&EiiZiTransmission SSiiZiiiZiiiZiiiZiiiZii iZii I.!?i Zii i Zii i Zi-*ground motion from Paul Somerville, Mw=7.0i i Zi ii Zi!iiZi"iiZi#i<iZi1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSjXiZj Loma Prietaj,jZjSS#26j jZjPG&Ej8jZjTransmission SSjjZjjjZjjjZjjjZjjjZjj jZjj I.!?j Zjj j Zjj j Zj-*ground motion from Paul Somerville, Mw=7.0j j Zj jj Zj!jjZj"jjZj#jjZj1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSk jZk Loma PrietakkZkSS#26kkZkPG&EkkZkTransmission SSkkZkkkZkkkZkkkZkkkZkk kZkk I.!?k Zkk k Zkk Lk Zk-*ground motion from Paul Somerville, Mw=7.0k k Zk kk Zk!kkZk"kkZk#kkZk1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSlkZl Loma PrietallZlSS#26llZlPG&EllZlTransmission SSllZlllZlllZlllZlllZll lZll I.!?l Zll l Zll l Zl-*ground motion from Paul Somerville, Mw=7.0l l Zl ll Zl!llZl"llZl#l,lZl1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSmtlZm Loma PrietamHmZmSS#26m<mZmPG&EmTmZmTransmission SSmmZmmmZmmmZmmmZmmmZmm mZmm I.!?m Zmm m Zmm m Zm-*ground motion from Paul Somerville, Mw=7.0m m Zm mm Zm!mmZm"mmZm#m|mZm1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSn(mZn Loma PrietannZnSS#26nnZnPG&EnnZnTransmission SSnnZnnnZnnnZnnnZnnnZnn nZnn I.!?n Znn n Znn hn Zn-*ground motion from Paul Somerville, Mw=7.0n n Zn nn Zn!nnZn"nnZn#nnZn1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSonZo Loma PrietaooZoSS#26ooZoPG&EooZoTransmission SSooZoooZoooZoooZoooZoo oZoo I.!?o Zoo o Zoo o Zo-*ground motion from Paul Somerville, Mw=7.0o o Zo oo Zo!ooZo"ooZo#ooZo1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSpdoZp Loma PrietapXpZpSS#26pLpZpPG&Ep,pZpTransmission SSppZpppZpppZpppZpppZpp pZpp I.!?p Zpp p Zpp p Zp-*ground motion from Paul Somerville, Mw=7.0p p Zp pp Zp!ppZp"ppZp#p$pZp1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSq pZq Loma PrietaqqZqSS#26q䯪qZqPG&EqįqZqTransmission SSqqZqqqZqqqZqqqZqqqZqq qZqq I.!?q Zqq q Zqq lq Zq-*ground motion from Paul Somerville, Mw=7.0q q Zq qq Zq!qqZq"qqZq#qqZq1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSrqZr Loma PrietarrZrSS#26rrZrPG&ErlrZrTransmission SSrrZrrrZrrrZrrrZrrrZrr rZrr I.!?r Zrr r Zrr r Zr-*ground motion from Paul Somerville, Mw=7.0r r Zr rr Zr!rrZr"rrZr#rdrZr1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSsLrZs Loma Prietas@sZsSS#26s4sZsPG&EssZsTransmission SSssZsssZsssZsssZsssZss sZss I.!?s Zss s Zss s Zs-*ground motion from Paul Somerville, Mw=7.0s s Zs ss Zs!ssZs"ssZs#s sZs1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URStsZt Loma Prietat訪tZtSS#26tܨtZtPG&EttZtTransmission SSttZtttZtttZtttZtttZtt tZtt I.!?t Ztt t Ztt dt Zt-*ground motion from Paul Somerville, Mw=7.0t t Zt tt Zt!ttZt"ttZt#ttZt1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSutZu Loma PrietauuZuSS#26uuZuPG&EuduZuTransmission SSuuZuuuZuuuZuuuZuuuZuu uZuu I.!?u Zuu u Zuu  u Zu-*ground motion from Paul Somerville, Mw=7.0u u Zu uu Zu!uuZu"uuZu#u\uZu1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSvDuZv Loma Prietav8vZvSS#26v,vZvPG&Ev vZvTransmission SSvvZvvvZvvvZvvvZvvvZvv vZvv I.!?v Zvv v Zvv v Zv-*ground motion from Paul Somerville, Mw=7.0v v Zv vv Zv!vvZv"vvZv#vvZv1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSw졪vZw Loma PrietawࡪwZwSS#26wԡwZwPG&EwwZwTransmission SSwwZwwwZwwwZwwwZwwwZww wZww I.!?w Zww w Zww \w Zw-*ground motion from Paul Somerville, Mw=7.0w w Zw ww Zw!wwZw"wwZw#wwZw1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSx4wZx Loma PrietaxxZxSS#26xxZxPG&ExxZxTransmission SSxxZxxxZxxxZxxxZxxxZxx xZxx I.!?x Zxx x Zxx tx Zx-*ground motion from Paul Somerville, Mw=7.0x x Zx xx Zx!xxZx"xxZx#xtxZx1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSyxZy Loma PrietayyZySS#26yyZyPG&EyyZyTransmission SSyyZyyyZyyyZyyyZyyyZyy yZyy I.!?y Zyy y Zyy (y Zy-*ground motion from Paul Somerville, Mw=7.0y y Zy yy Zy!yyZy"yyZy#yyZy1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSzyZz Loma PrietazpzZzSS#26zdzZzPG&Ez|zZzTransmission SSzzZzzzZzzzZzzzZzzzZzz zZzz I.!?z Zzz z Zzz z Zz-*ground motion from Paul Somerville, Mw=7.0z z Zz zz Zz!zzZz"zzZz#zzZz1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS{PzZ{ Loma Prieta{${Z{SS#26{{Z{PG&E{0{Z{Transmission SS{{Z{{{Z{{{Z{{{Z{{{Z{{ {Z{{ I.!?{ Z{{ { Z{{ { Z{-*ground motion from Paul Somerville, Mw=7.0{ { Z{ {{ Z{!{{Z{"{{Z{#{d{Z{1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS| {Z| Loma Prieta| |Z|SS#26| |Z|PG&E| |Z|Transmission SS||Z|||Z|||Z|||Z|||Z|| |Z|| I.!?| Z|| | Z|| D | Z|-*ground motion from Paul Somerville, Mw=7.0| | Z| || Z|!||Z|"||Z|#||Z|1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS} |Z} Loma Prieta} }Z}SS#26} }Z}PG&E} }Z}Transmission SS}}Z}}}Z}}}Z}}}Z}}}Z}} }Z}} I.!?} Z}} } Z}}  } Z}-*ground motion from Paul Somerville, Mw=7.0} } Z} }} Z}!}}Z}"}}Z}#}}Z}1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS~l }Z~ Loma Prieta~@ ~Z~SS#26~4 ~Z~PG&E~L ~Z~Transmission SS~~Z~~~Z~~~Z~~~Z~~~Z~~ ~Z~~ I.!?~ Z~~ ~ Z~~  ~ Z~-*ground motion from Paul Somerville, Mw=7.0~ ~ Z~ ~~ Z~!~~Z~"~~Z~#~~Z~1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS䝪~Z Loma Prieta؝ZSS#26̝ZPG&EZTransmission SSZZZZZ Z I.!? Z  Z T Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#Z1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSDvlZ Loma PrietaZSS#26tZPG&ETZTransmission SSZZZZZ Z I.!? Z  Z  Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#LZ1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS4Z Loma Prieta(ZSS#26ZPG&EZTransmission SSZZZZZ Z I.!? Z  Z  Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#Z1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSܖZ Loma PrietaЖZSS#26ĖZPG&EZTransmission SSZZZZZ Z I.!? Z  Z L Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#Z1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSZ Loma PrietaxZSS#26lZPG&ELZTransmission SSZZZZZ Z I.!? Z  Z  Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#DZ1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS,Z Loma Prieta ZSS#26ZPG&EZTransmission SSZZZZZ Z I.!? Z  Z  Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#쏪Z1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSXZ Loma Prieta,ZSS#26 ZPG&E8ZTransmission SSZZZZZ Z I.!? Z  Z  Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#,Z1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS Z Loma PrietaZSS#26ZPG&EZTransmission SSZZZZZ Z I.!? Z  Z L Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#l*Z1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSZ Loma PrietaZSS#26ZPG&EZTransmission SSZZZZZ Z I.!? Z  Z  Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#(Z1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URStZ Loma PrietaHZSS#26<ZPG&ETZTransmission SSZZZZZ Z I.!? Z  Z  Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z# 'Z1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS( Z Loma PrietaZSS#28ZPG&E ZTransmission SSZZZZZ Z {Pk? Z  Z h  Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#\%Z1. Earthquake Spectra, Supplement to V. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS!Z Loma Prieta!ZSS#28!ZPG&E!ZTransmission SSZZZZZ Z {Pk? Z  Z " Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z##Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS#Z Loma Prietad#ZSS#28X#ZPG&Ep#ZTransmission SSZZZZZ Z {Pk? Z  Z  Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSȍZ Loma PrietaZSS#28ZPG&EZTransmission SSZZZZZ Z {Pk? Z  Z 8 Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSlZ Loma Prieta`ZSS#28TZPG&E4ZTransmission SSZZZZZ Z {Pk? Z  Z ܊ Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#(Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSZ Loma PrietaZSS#28ZPG&E؈ZTransmission SSZZZZZ Z {Pk? Z  Z  Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#̆Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSZ Loma PrietaZSS#28ZPG&E|ZTransmission SSZZZZZ Z {Pk? Z  Z $ Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#pZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSXZ Loma PrietaLZSS#28@ZPG&E ZTransmission SSZZZZZ Z {Pk? Z  Z ȃ Z-*ground motion from Paul Somerville, Mw=7.0  Z  Z!Z"Z#Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSZ Loma PrietaZSS#39䁪ZPG&EāZTransmission SSZZZZZ Z c]K? Z  Z l Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS|/Z Loma PrietaP/ZSS#39D/ZPG&E\/ZTransmission SSZZZZZ Z c]K? Z  Z / Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#BZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS01Z Loma Prieta1ZSS#390ZPG&E1ZTransmission SSZZZZZ Z c]K? Z  Z p1 Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#AZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS2Z Loma Prieta2ZSS#392ZPG&E2ZTransmission SSZZZZZ Z c]K? Z  Z $3 Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#h?Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS4Z Loma Prietal4ZSS#39`4ZPG&Ex4ZTransmission SSZZZZZ Z c]K? Z  Z 4 Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#=Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSL6Z Loma Prieta 6ZSS#396ZPG&E,6ZTransmission SSZZZZZ Z c]K? Z  Z 6 Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#<Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS8Z Loma Prieta7ZSS#397ZPG&E7ZTransmission SSZZZZZ Z c]K? Z  Z @8 Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#L:Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS9Z Loma Prieta9ZSS#39|9ZPG&E9ZTransmission SSZZZZZ Z c]K? Z  Z 9 Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#~Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS}Z Loma Prieta}ZSS#39}ZPG&E}ZTransmission SSZZZZZ Z c]K? Z  Z \} Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#{Z1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS{Z Loma Prieta{ZSS#39x{ZPG&EX{ZTransmission SSZZZZZ Z c]K? Z  Z { Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#LyZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS4yZ Loma Prieta(yZSS#39yZPG&ExZTransmission SSZZZZZ Z c]K? Z  Z x Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#vZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSvZ Loma PrietavZSS#39vZPG&EvZTransmission SSZZZZZ Z c]K? Z  Z Hv Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#tZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS|tZ Loma PrietaptZSS#39dtZPG&EDtZTransmission SSZZZZZ Z c]K? Z  Z s Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#8rZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS rZ Loma PrietarZSS#39rZPG&EqZTransmission SSZZZZZ Z c]K? Z  Z q Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#oZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSEZ Loma PrietatEZSS#39hEZPG&EEZTransmission SSZZZZZ Z c]K? Z  Z E Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#XZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSDvlTGZ Loma Prieta(GZSS#39GZPG&E4GZTransmission SSZZZZZ Z c]K? Z  Z G Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#@WZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSIZ Loma PrietaHZSS#39HZPG&EHZTransmission SSZZZZZ Z c]K? Z  Z HI Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#UZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSJZ Loma PrietaJZSS#39JZPG&EJZTransmission SSZZZZZ Z c]K? Z  Z J Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#SZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSpLZ Loma PrietaDLZSS#398LZPG&EPLZTransmission SSZZZZZ Z c]K? Z  Z L Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#$RZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URS$NZ Loma PrietaMZSS#39MZPG&ENZTransmission SSZZZZZ Z c]K? Z  Z dN Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#pPZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSOZ Loma PrietaOZSS#39OZPG&EOZTransmission SSZZZZZ Z c]K? Z  Z P Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#(nZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSnZ Loma PrietanZSS#39mZPG&EmZTransmission SSZZZZZ Z c]K? Z  Z m Z-*ground motion from Paul Somerville, Mw=7.0 ? Z  Z!Z"Z#kZ1. Earthquake Spectra, Supplement to Vo. 6, L.P Recon. Report, May 1990, 2. USGS Open File Report 89-568 3. USGS Open-File Report 90-247, April 90 4. CDMG OSMS 89-06 5. EPRI 6. EPRI draft aftershock report from URSkZ Morgan HillkZSS#20ZZZZZZZ Z  Z  Z  Z  Z  Z!Z"Z#kZMJ1. Earthquake Spectra, Vol 1, No. 3, May 1985 2. CDMG OSMS 85-04 3. EPRI ?jZ Morgan HilljZSS#21jZPG&EjZTransmission SSZZZ9@ZZ Z Q? Z  Z h ZWater type waves were seen approaching the site from the north northwest. From under the desk, the motion was wave-like. This description suggests a periodic type motion which may have a larger impact on equipment with a frequency near the input motion  Z  Z! gZ"Damaged CB caused one of the 2 Pacific Interties to open and stay open. One of the PIs was open for 3 days which CB was repaired. There was no impact (other than reliability) as the remainng PI could carry the load.Z#ZfZ Morgan HillfZSS#21fZPG&EfZTransmission SSZZZ9@ZZ Z Q? Z  Z d ZWater type waves were seen approaching the site from the north northwest. From under the desk, the motion was wave-like. This description suggests a periodic type motion which may have a larger impact on equipment with a frequency near the input motion  Z  Z!cZ"Damaged CB caused one of the 2 Pacific Interties to open and stay open. One of the PIs was open for 3 days which CB was repaired. There was no impact (other than reliability) as the remainng PI could carry the load.Z#ZbZ Morgan HillbZSS#21bZPG&EbZTransmission SSZZZ9@ZZ Z Q? Z  Z ` ZWater type waves were seen approaching the site from the north northwest. From under the desk, the motion was wave-like. This description suggests a periodic type motion which may have a larger impact on equipment with a frequency near the input motion Q? Z  Z!Z"Z#Z`Z Morgan Hill`ZSS#21`ZPG&Eh`ZTransmission SSZZZ9@ZZ Z Q? Z  Z h^ ZWater type waves were seen approaching the site from the north northwest. From under the desk, the motion was wave-like. This description suggests a periodic type motion which may have a larger impact on equipment with a frequency near the input motion Q? Z  Z!Z"Z#Z[Z Morgan Hill[ZSS#21[ZPG&E[ZTransmission SSZZZ9@ZZ Z Q? Z  Z  c ZWater type waves were seen approaching the site from the north northwest. From under the desk, the motion was wave-like. This description suggests a periodic type motion which may have a larger impact on equipment with a frequency near the input motion Q? Z  Z!laZ"Damaged CB caused one of the 2 Pacific Interties to open and stay open. One of the PIs was open for 3 days while CB was repaired. There was no impact (other than reliability) as the remainng PI could carry the load.Z#Zx]Z Morgan HillL]ZSS#21@]ZPG&EX]ZTransmission SSZZZ9@ZZ Z Q? Z  Z l_ ZWater type waves were seen approaching the site from the north northwest. From under the desk, the motion was wave-like. This description suggests a periodic type motion which may have a larger impact on equipment with a frequency near the input motion Q? Z  Z!]Z"Damaged CB caused one of the 2 Pacific Interties to open and stay open. One of the PIs was open for 3 days while CB was repaired. There was no impact (other than reliability) as the remainng PI could carry the load.Z#ZP^Z Morgan HillD^ZSS#218^ZPG&E^ZTransmission SSZZZ9@ZZ Z Q? Z  Z \ ZWater type waves were seen approaching the site from the north northwest. From under the desk, the motion was wave-like. This description suggests a periodic type motion which may have a larger impact on equipment with a frequency near the input motion Q? Z  Z!dZZ"Damaged CB caused one of the 2 Pacific Interties to open and stay open. One of the PIs was open for 3 days while CB was repaired. There was no impact (other than reliability) as the remainng PI could carry the load.Z#ZLZZ Morgan Hill@ZZSS#214ZZPG&EZZTransmission SSZZZ9@ZZ Z Q? Z  Z X ZWater type waves were seen approaching the site from the north northwest. From under the desk, the motion was wave-like. This description suggests a periodic type motion which may have a larger impact on equipment with a frequency near the input motion Q? Z  Z!`VZ"Damaged CB caused one of the 2 Pacific Interties to open and stay open. One of the PIs was open for 3 days while CB was repaired. There was no impact (other than reliability) as the remainng PI could carry the load.Z#ZHVZ Morgan HillZPG&E>ZTransmission SSZZZZZ Z  Z  Z  Z  Z  Z!Z"Z#D>ZMJ1. Earthquake Spectra, Vol 1, No. 3, May 1985 2. CDMG OSMS 85-04 3. EPRI ?,>Z Morgan Hill >ZSS#24>ZPG&E=ZTransmission SSZZZZZ Z  Z  Z  Z  Z  Z!Z"Z#\=ZMJ1. Earthquake Spectra, Vol 1, No. 3, May 1985 2. CDMG OSMS 85-04 3. EPRI ?D=Z Morgan Hill8=ZSS#24,=ZPG&E =ZTransmission SSZZZZZ Z  Z  Z  Z  Z  Z!Z"Z#t<ZMJ1. Earthquake Spectra, Vol 1, No. 3, May 1985 2. CDMG OSMS 85-04 3. EPRI ?\<Z Morgan HillP<ZSS#24D<ZPG&E$<ZTransmission SSZZZZZ Z  Z  Z  Z  Z  Z!Z"Z#;ZMJ1. Earthquake Spectra, Vol 1, No. 3, May 1985 2. CDMG OSMS 85-04 3. EPRI ?t;Z Morgan Hillh;ZSS#24\;ZPG&E<;ZTransmission SSZZZZZ Z  Z  Z  Z  Z  Z!Z"Z#:ZMJ1. Earthquake Spectra, Vol 1, No. 3, May 1985 2. CDMG OSMS 85-04 3. EPRI ?ZNorth Palm Springs0ZSS#7<ZSCE:ZTransmission SSZZZZZ Z n? Z  Z D: Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#L8Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm Springs䝓ZSS#7ZSCE,8ZTransmission SSZZZZZ Z n? Z  Z 7 Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#5Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88pZNorth Palm SpringsZSS#7ZSCE5ZTransmission SSZZZZZ Z n? Z  Z 5 Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#3Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88$ZNorth Palm SpringsLZSS#7XZSCE|3ZTransmission SSZZZZZ Z n? Z  Z <3 Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#D1Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88آZNorth Palm SpringsZSS#7 ZSCE$1ZTransmission SSZZZZZ Z n? Z  Z 0 Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#.Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm SpringsZSS#7ZSCE.ZTransmission SSZZZZZ Z n? Z  Z . Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#,Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88@ZNorth Palm SpringshZSS#7tZSCEt,ZTransmission SSZZZZZ Z n? Z  Z 4, Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#<*Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm SpringsZSS#7(ZSCE*ZTransmission SSZZZZZ Z n? Z  Z ) Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#'Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm SpringsЩZSS#7ܩZSCE'ZTransmission SSZZZZZ Z n? Z  Z ' Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#%Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88\ZNorth Palm SpringsZSS#7ZSCEl%ZTransmission SSZZZZZ Z n? Z  Z ,% Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#4#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm Springs8ZSS#7DZSCE#ZTransmission SSZZZZZ Z n? Z  Z " Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z# Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ĮZNorth Palm Springs쮓ZSS#7ZSCE ZTransmission SSZZZZZ Z n? Z  Z |  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88xZNorth Palm SpringsZSS#7ZSCEdZTransmission SSZZZZZ Z n? Z  Z $ Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#,Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88,ZNorth Palm SpringsTZSS#7`ZSCE ZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88Djl೓ZNorth Palm SpringsZSS#7ZSCEZTransmission SSZZZZZ Z n? Z  Z t Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#|Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm SpringsZSS#7ȵZSCE\ZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#$Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88HZNorth Palm SpringspZSS#7|ZSCEZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm Springs$ZSS#70ZSCEZTransmission SSZZZZZ Z n? Z  Z l Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#tZ1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm SpringsغZSS#7亓ZSCETZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88dZNorth Palm SpringsZSS#7ZSCE ZTransmission SSZZZZZ Z n? Z  Z   Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z# Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm Springs@ZSS#7LZSCE ZTransmission SSZZZZZ Z n? Z  Z d  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#l Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88̿ZNorth Palm SpringsZSS#7ZSCEL ZTransmission SSZZZZZ Z n? Z  Z   Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm SpringsZSS#7ZSCEZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/884ÓZNorth Palm Springs\ÓZSS#7hÓZSCEZTransmission SSZZZZZ Z n? Z  Z \ Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#dZ1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ēZNorth Palm SpringsœZSS#7œZSCEDZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z# Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ƓZNorth Palm SpringsƓZSS#7ƓZSCEZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88PȓZNorth Palm SpringsxȓZSS#7ȓZSCE|ZTransmission SSZZZZZ Z n? Z  Z < Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#DZ1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ʓZNorth Palm Springs,ʓZSS#78ʓZSCE$ZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88˓ZNorth Palm Springs˓ZSS#7˓ZSCEZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88l͓ZNorth Palm Springs͓ZSS#7͓ZSCEtZTransmission SSZZZZZ Z n? Z  Z 4 Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#<Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88 ϓZNorth Palm SpringsHϓZSS#7TϓZSCEZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ГZNorth Palm SpringsГZSS#7ѓZSCEZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ғZNorth Palm SpringsғZSS#7ғZSCElZTransmission SSZZZZZ Z n? Z  Z , Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#4Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88<ԓZNorth Palm SpringsdԓZSS#7pԓZSCEZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ՓZNorth Palm Springs֓ZSS#7$֓ZSCEZTransmission SSZZZZZ Z n? Z  Z | Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88דZNorth Palm SpringsדZSS#7דZSCEdZTransmission SSZZZZZ Z n? Z  Z $ Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#,Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88XٓZNorth Palm SpringsٓZSS#7ٓZSCE ZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88 ۓZNorth Palm Springs4ۓZSS#7@ۓZSCEZTransmission SSZZZZZ Z n? Z  Z t Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#|Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ܓZNorth Palm SpringsܓZSS#7ܓZSCE\ZTransmission SSZZZZZ Z n? Z  Z  Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#$ߩZ1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88tޓZNorth Palm SpringsޓZSS#7ޓZSCEߩZTransmission SSZZZZZ Z n? Z  Z ީ Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#ܩZ1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88(ZNorth Palm SpringsPZSS#7\ZSCEܩZTransmission SSZZZZZ Z n? Z  Z lܩ Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#tکZ1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm SpringsZSS#7ZSCETکZTransmission SSZZZZZ Z n? Z  Z ک Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#ةZ1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm SpringsZSS#7ZSCEשZTransmission SSZZZZZ Z n? Z  Z ש Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#թZ1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88DZNorth Palm SpringslZSS#7xZSCEթZTransmission SSZZZZZ Z n? Z  Z dթ Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#lөZ1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm Springs ZSS#7,ZSCELөZTransmission SSZZZZZ Z n? Z  Z  ө Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#ѩZ1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88ZNorth Palm SpringsZSS#7ZSCEЩZTransmission SSZZZZZ Z n? Z  Z Щ Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#ΩZ1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88D zl     `ZNorth Palm SpringsZSS#7ZSCEΩZTransmission SSZZZZZ Z n? Z  Z \Ω Z"Ground motion from EPRI NP-5607 ? Z  Z!Z"Z#d̩Z1. CDMG OSMS-86-05 2. CDMG OSMS 87-01 3. USGS OFR 87-155 4. SCE Lessons Learned from July 8, 1986 Palm Springs EQ, P S EQ Task Force, Dec. 1986 5. LADWP EQ Damage Assessment Report of SCE's Devers Bulk Power Station 7/17/86 6. EPRI NP-5607 1/88P̩Z Pt. MuguD̩ZSS#40HZSCE$̩ZTransmission SSZZZZZ Z u? Z  Z  Z%"ground motion from Paul Somerville  Z  Z!Z"Z#Z̩Z Pt. Mugu̩ZSS#40ZSCE˩ZTransmission SSZZZZZ Z u? Z  Z 4 Z%"ground motion from Paul Somerville  Z  Z!Z"Z#Z˩Z Pt. Mugu˩ZSS#40ZSCE˩ZTransmission SSZZZZZ Z u? Z  Z  Z%"ground motion from Paul Somerville  Z  Z!Z"Z#Z˩Z Pt. Mugu˩ZSS#40dZSCEd˩ZTransmission SSZZZZZ Z u? Z  Z  Z%"ground motion from Paul Somerville  Z  Z!Z"Z#ZH˩Z San Fernando ZSS#1ZSCE(˩ZTransmission SSZZZZZ Z p= ף? Z  Z P Z%"ground motion from Paul Somerville  Z  Z!Z"Z#0ɩZ1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71ɩZ San FernandoZSS#1ZSCEȩZTransmission SSZZZZZ Z p= ף? Z  Z  Z%"ground motion from Paul Somerville  Z  Z!Z"Z#ƩZ1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71ƩZ San FernandotZSS#1ZSCEƩZTransmission SSZZZZZ Z p= ף? Z  Z  Z%"ground motion from Paul Somerville  Z  Z!Z"Z#ĩZ1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71ĩZ San Fernando(ZSS#14ZSCEĩZTransmission SSZZZZZ Z p= ף? Z  Z l Z%"ground motion from Paul Somerville  Z  Z!Z"Z#©Z1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71 x©Z  San Fernando  Z SS#1  Z SCE X© Z Transmission SS  Z   Z   Z   Z   Z    Z   p= ף?  Z     Z      Z %"ground motion from Paul Somerville    Z     Z !  Z "  Z # ` Z 1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71 D Z  San Fernando  Z SS#1  Z SCE $ Z Transmission SS  Z   Z   Z   Z   Z    Z   p= ף?  Z     Z     Z %"ground motion from Paul Somerville    Z     Z !  Z "  Z # , Z 1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71  Z  San Fernando D Z SS#1 P Z SCE  Z Transmission SS  Z   Z   Z   Z   Z    Z   p= ף?  Z     Z     Z %"ground motion from Paul Somerville    Z     Z !  Z "  Z #  Z 1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71 ܻ Z  San Fernando  Z SS#8  Z SCE  Z Transmission SS  Z   Z   Z   Z   Z    Z   5^I ?  Z     Z   d  Z -*Ground motion from Paul Somerville, Mw=6.6    Z     Z !  Z "  Z # l Z 1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71 P Z  San Fernando 4 Z SS#8 @ Z SCE 0 Z Transmission SS  Z   Z   Z   Z   Z    Z   5^I ?  Z     Z   ظ  Z -*Ground motion from Paul Somerville, Mw=6.6    Z     Z !  Z "  Z # ඩ Z 1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71Ķ Z San FernandoZSS#8ZSCEZTransmission SSZZZZZ Z 5^I ? Z  Z L Z-*Ground motion from Paul Somerville, Mw=6.6  Z  Z!Z"Z#TZ1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/718Z San FernandoZSS#8ZSCEZTransmission SSZZZZZ Z 5^I ? Z  Z  Z-*Ground motion from Paul Somerville, Mw=6.6  Z  Z!Z"Z#ȱZ1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71Z San FernandoPZSS#8\ZSCEZTransmission SSZZZZZ Z 5^I ? Z  Z 4 Z-*Ground motion from Paul Somerville, Mw=6.6  Z  Z!Z"Z#<Z1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71 Z San FernandoZSS#8ZSCEZTransmission SSZZZZZ Z 5^I ? Z  Z  Z-*Ground motion from Paul Somerville, Mw=6.6  Z  Z!Z"Z#Z1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71Z San Fernando ZSS#8 ZSCEtZTransmission SSZZZZZ Z 5^I ? Z  Z  Z-*Ground motion from Paul Somerville, Mw=6.6  Z  Z!Z"Z#$Z1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71Z San FernandoZSS#18x ZSCEܩZTransmission SSZZZZZ Z p= ף? Z  Z  Z-*Ground motion from Paul Somerville, Mw=6.6  Z  Z!Z"Z#Z1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71pZ San FernandodZSS#18, ZSCEDZTransmission SSZZZZZ Z p= ף? Z  Z 즩 Z-*Ground motion from Paul Somerville, Mw=6.6  Z  Z!Z"Z#Z1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71ؤZ San Fernando̤ZSS#18ZSCEZTransmission SSZZZZZ Z p= ף? Z  Z T Z-*Ground motion from Paul Somerville, Mw=6.6  Z  Z!Z"Z#\Z1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71@Z San Fernando4ZSS#18ZSCEZTransmission SSZZZZZ Z p= ף? Z  Z  Z-*Ground motion from Paul Somerville, Mw=6.6  Z  Z!Z"Z#ğZ1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71Z San FernandoZSS#18HZSCE|ZTransmission SSZZZZZ Z p= ף? Z  Z $ Z-*Ground motion from Paul Somerville, Mw=6.6  Z  Z!Z"Z#,Z1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71Z San FernandoZSS#18ZSCE䜩ZTransmission SSZZZZZ Z p= ף? Z  Z  Z-*Ground motion from Paul Somerville, Mw=6.6  Z  Z!Z"Z#Z1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71xZ San FernandolZSS#19ZSCELZTransmission SSZZZZZ Z EԸ? Z  Z  Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#TZ1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/718Z San Fernando,ZSS#19dZSCE ZTransmission SSZZZZZ Z EԸ? Z  Z  Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#Z1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71Z San Fernando앩ZSS#19ZSCE̕ZTransmission SSZZZZZ Z EԸ? Z  Z P Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#ԓZ1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71Z San FernandoZSS#19ZSCEZTransmission SSZZZZZ Z EԸ? Z  Z  Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#Z1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71xZ San FernandolZSS#19ZSCELZTransmission SSZZZZZ Z EԸ? Z  Z  Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#TZ1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/718Z San Fernando,ZSS#194ZSCE ZTransmission SSZZZZZ Z EԸ? Z  Z l Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#Z1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71Z San Fernando쌩ZSS#19ZSCĚZTransmission SSZZZZZ Z EԸ? Z  Z   Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#ԊZ1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71D(vl !"#$%&'()*+,-./0123456789:;<=>? Z  San Fernando  Z SS#19 ! Z SCE  Z Transmission SS  Z   Z   Z   Z   Z    Z   EԸ?  Z     Z   !  Z %"Ground motion from Paul Somerville    Z     Z !  Z "  Z #  Z 1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71!x Z! San Fernando!l!Z!SS#19!P#!Z!SCE!L!Z!Transmission SS!!Z!!!Z!!!Z!!!Z!!!Z!! !Z!! EԸ?! Z!! ! Z!! #! Z!%"Ground motion from Paul Somerville! ! Z! !! Z!!!!Z!"!!Z!#!T!Z!1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71"8!Z" San Fernando","Z"SS#23"%"Z"SCE" "Z"Transmission SS""Z" Rosemead""Z"""Z"""Z"""Z"" "Z"" ?5^I ?" Z"" " Z"" <%" Z"%"Ground motion from Paul Somerville" " Z" "" Z"!""Z""""Z"#""Z"1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71#䃩"Z# San Fernando#؃#Z#SS#23#&#Z#SCE##Z#Transmission SS##Z# Rosemead##Z###Z###Z###Z## #Z## ?5^I ?# Z## # Z## &# Z#%"Ground motion from Paul Somerville# # Z# ## Z#!##Z#"##Z####Z#1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71$#Z$ San Fernando$`($Z$Misc$l($Z$SCE$p$Z$Transmission SS$$Z$$$Z$$$Z$$$Z$$$Z$$ $Z$$ $ Z$$ $ Z$$ $ Z$$ $ Z$ $$ Z$!$$Z$"$$Z$#$x$Z$1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71%\$Z% San Fernando%*%Z%Misc% *%Z%SCE%<%Z%Transmission SS%%Z%%%Z%%%Z%%%Z%%%Z%% %Z%% % Z%% % Z%% % Z%% % Z% %% Z%!%%Z%"%%Z%#%D}%Z%1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71&(}%Z& San Fernando&+&Z&Misc&+&Z&SCE&}&Z&Transmission SS&&Z&&&Z&&&Z&&&Z&&&Z&& &Z&& & Z&& & Z&& & Z&& & Z& && Z&!&&Z&"&&Z&#&{&Z&1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71'z&Z' San Fernando'z'Z'SS#41'-'Z'SCE'z'Z'Transmission SS''Z'''Z'''Z'''Z'''Z'' 'Z'' x&?' Z'' ' Z'' -' Z'%"Ground motion from Paul Somerville' ' Z' '' Z'!''Z'"''Z'#'x'Z'1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71(x'Z( San Fernando(x(Z(SS#41(1Z1SCE1Hm1Z1Transmission SS11Z111Z111Z111Z111Z11 1Z11 x&?1 Z11 1 Z11 >1 Z1%"Ground motion from Paul Somerville1 1 Z1 11 Z1!11Z1"11Z1#1Pk1Z11. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/7124k1Z2 San Fernando2(k2Z2SS#412D@2Z2SCE2k2Z2Transmission SS22Z222Z222Z222Z222Z22 2Z22 x&?2 Z22 2 Z22 |@2 Z2%"Ground motion from Paul Somerville2 2 Z2 22 Z2!22Z2"22Z2#2i2Z21. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/713h2Z3 San Fernando3h3Z3SS#443h3Z3LADWP3h3Z3Transmission SS33Z333Z333Z333Z333Z33 3Z33 3 Z33 3 Z33 3 Z33 3 Z3 33 Z3!33Z3"33Z3#3 h3Z3ZW1. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/714g3Z4 San Fernando4g4Z4SS#444g4Z4LADWP4g4Z4Transmission SS44Z444Z444Z444Z444Z44 4Z44 4 Z44 4 Z44 4 Z44 4 Z4 44 Z4!44Z4"44Z4#4g4Z4ZW1. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/715f4Z5 San Fernando5f5Z5SS#445f5Z5LADWP5f5Z5Transmission SS55Z555Z555Z555Z555Z55 5Z55 5 Z55 5 Z55 5 Z55 5 Z5 55 Z5!55Z5"55Z5#5f5Z5ZW1. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/716e5Z6 San Fernando6e6Z6SS#446e6Z6LADWP6e6Z6Transmission SS66Z666Z666Z666Z666Z66 6Z66 6 Z66 6 Z66 6 Z66 6 Z6 66 Z6!66Z6"66Z6#6e6Z6ZW1. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/717d6Z7 San Fernando7d7Z7SS#447d7Z7LADWP7d7Z7Transmission SS77Z777Z777Z777Z777Z77 7Z77 7 Z77 7 Z77 7 Z77 7 Z7 77 Z7!77Z7"77Z7#7c7Z7ZW1. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/718c7Z8 San Fernando8c8Z8SS#458|J8Z8SCE8c8Z8Transmission SS88Z888Z888Z888Z888Z88 8Z88 (\?8 Z88 8 Z88 J8 Z8%"Ground motion from Paul Somerville8 8 Z8 88 Z8!88Z8"88Z8#8a8Z81. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/719a8Z9 San Fernando9a9Z9SS#4590L9Z9SCE9ta9Z9Transmission SS99Z999Z999Z999Z999Z99 9Z99 (\?9 Z99 9 Z99 hL9 Z9%"Ground motion from Paul Somerville9 9 Z9 99 Z9!99Z9"99Z9#9|_9Z91. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71:`_9Z: San Fernando:T_:Z:SS#45:M:Z:SCE:4_:Z:Transmission SS::Z:::Z:::Z:::Z:::Z:: :Z:: (\?: Z:: : Z:: N: Z:%"Ground motion from Paul Somerville: : Z: :: Z:!::Z:"::Z:#:<]:Z:1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71; ]:Z; San Fernando;];Z;SS#45;O;Z;SCE;\;Z;Transmission SS;;Z;;;Z;;;Z;;;Z;;;Z;; ;Z;; (\?; Z;; ; Z;; O; Z;%"Ground motion from Paul Somerville; ; Z; ;; Z;!;;Z;";;Z;#;Z;Z;1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71<Z;Z< San Fernando<Z<Z<SS#45<LQ<Z<SCE<Z<Z<Transmission SS<<Z<<<Z<<<Z<<<Z<<<Z<< <Z<< (\?< Z<< < Z<< Q< Z<%"Ground motion from Paul Somerville< < Z< << Z<!<<Z<"<<Z<#<X<Z<1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71=X<Z= San Fernando=X=Z=SS#45=S=Z=SCE=tX=Z=Transmission SS==Z===Z===Z===Z===Z== =Z== (\?= Z== = Z== 8S= Z=%"Ground motion from Paul Somerville= = Z= == Z=!==Z="==Z=#=|V=Z=1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71>`V=Z> San Fernando>TV>Z>SS#45>T>Z>SCE>4V>Z>Transmission SS>>Z>>>Z>>>Z>>>Z>>>Z>> >Z>> (\?> Z>> > Z>> T> Z>%"Ground motion from Paul Somerville> > Z> >> Z>!>>>">>>#>Z>1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71? T>Z? San Fernando?T?Z?SS#45?hV?Z?SCE?S?Z?Transmission SS??Z???Z???Z???Z???Z?? ?Z?? (\?? Z?? ? Z?? V? Z?%"Ground motion from Paul Somerville? ? Z? ?? Z?!??Z?"??Z?#?Q?Z?1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71Dul@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_@Q?Z@ San Fernando@Q@Z@SS#45@X@Z@SCE@Q@Z@Transmission SS@@Z@@@Z@@@Z@@@Z@@@Z@@ @Z@@ (\?@ Z@@ @ Z@@ TX@ Z@%"Ground motion from Paul Somerville@ @ Z@ @@ Z@!@@Z@"@@Z@#@O@Z@1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71AO@ZA San FernandoAOAZASS#45AYAZASCEAtOAZATransmission SSAAZAAAZAAAZAAAZAAAZAA AZAA (\?A ZAA A ZAA ZA ZA%"Ground motion from Paul SomervilleA A ZA AA ZA!AAZA"AAZA#A|MAZA1. San Fernando CA EQ of 2/9/71, US Dept of Commerce, NOAA, V3, Wash, DC, 1973 2. San Fernando EQ 2/971, Effects of Power System Operations & Facilities, LADWP, 10/74 3. EQ of 2/971 Effects on Power Sys Fac, Analysis Present Aseismic..., LADWP, 6/71B`MAZB San FernandoBTMBZBSS#45B[BZBSCEB4MBZBTransmission SSBBZBBBZBBBZBBBZBBBZBB BZBB (\?B ZBB B ZBB [B ZB%"Ground motion from Paul SomervilleB B ZB BB ZB!BBZB"BBZB#BLZL1. Processed Data from the SM Records of the Santa barbra EQ of 13 August 1978, Final . . Results, CDMG, Special Report 144, Vol 1 (2 &3)Mx>LZM Santa BarbaraMl>MZMSS#13M@nMZMSCEML>MZMTransmission SSMMZMMMZMMMZMMMZMMMZMM MZMM p= ף?M ZMM M ZMM M ZMM Q?M ZM MM ZM!MMZM"MMZM#M,=MZM1. Processed Data from the SM Records of the Santa barbra EQ of 13 August 1978, Final . . Results, CDMG, Special Report 144, Vol 1 (2 &3)N=MZN Santa BarbaraN=NZNSS#13NoNZNSCEN<NZNTransmission SSNNZNNNZNNNZNNNZNNNZNN NZNN p= ף?N ZNN N ZNN N ZNN Q?N ZN NN ZN!NNZN"NNZN#N;NZN1. Processed Data from the SM Records of the Santa barbra EQ of 13 August 1978, Final . . Results, CDMG, Special Report 144, Vol 1 (2 &3)O;NZO Santa BarbaraO;OZOSS#13OqOZOSCEO|;OZOTransmission SSOOZOOOZOOOZOOOZOOOZOO OZOO p= ף?O ZOO O ZOO O ZOO Q?O ZO OO ZO!OOZO"OOZO#O\:OZO1. Processed Data from the SM Records of the Santa barbra EQ of 13 August 1978, Final . . Results, CDMG, Special Report 144, Vol 1 (2 &3)P@:OZP Santa BarbaraP4:PZPSS#13P\sPZPSCEP:PZPTransmission SSPPZPPPZPPPZPPPZPPPZPP PZPP p= ף?P ZPP P ZPP P ZPP Q?P ZP PP ZP!PPZP"PPZP#P8PZP1. Processed Data from the SM Records of the Santa barbra EQ of 13 August 1978, Final . . Results, CDMG, Special Report 144, Vol 1 (2 &3)Q8PZQ Sierra MadreQ8QZQSS#14QuQZQSCEQ8QZQTransmission SSQ\8QZQ)&Foothill Fwy & Foothill Blvd, PasadenaQQZQQQZQQQZQQQZQQ QZQQ Q ZQQ Q ZQQ Q ZQQ Q ZQ QQ ZQ!QQZQ"QQZQ#QQZQR@8QZR Sierra MadreR48RZRSS#14RvRZRSCER8RZRTransmission SSR7RZR)&Foothill Fwy & Foothill Blvd, PasadenaRRZRRRZRRRZRRRZRR RZRR R ZRR R ZRR R ZRR R ZR RR ZR!RRZR"RRZR#RRZRS7RZS Sierra MadreS7SZSSS#14SxxSZSSCES|7SZSTransmission SSS,7SZS)&Foothill Fwy & Foothill Blvd, PasadenaSSZSSSZSSSZSSSZSS SZSS S ZSS S ZSS S ZSS S ZS SS ZS!SSZS"SSZS#SSZST7SZT Sierra MadreT7TZTSS#14T,zTZTSCET6TZTTransmission SST6TZT)&Foothill Fwy & Foothill Blvd, PasadenaTTZTTTZTTTZTTTZTT TZTT T ZTT T ZTT T ZTT T ZT TT ZT!TTZT"TTZT#TTZTUx6TZU Sierra MadreUl6UZUSS#14U{UZUSCEUL6UZUTransmission SSU5UZU)&Foothill Fwy & Foothill Blvd, PasadenaUUZUUUZUUUZUUUZUU UZUU U ZUU U ZUU U ZUU U ZU UU ZU!UUZU"UUZU#UUZUV5UZV Sierra MadreV5VZVSS#14V}VZVSCEV5VZVTransmission SSVd5VZV)&Foothill Fwy & Foothill Blvd, PasadenaVVZVVVZVVVZVVVZVV VZVV V ZVV V ZVV V ZVV V ZV VV ZV!VVZV"VVZV#VVZVWL5VZW Tejon RanchW<WZWSS#9W@5WZWCDWRW 5WZWTransmission SSWWZWWWZWWWZWWWZWWWZWW WZWW ?W ZWW \3W ZWSwitchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were locatedW 1W ZWSM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.W ?W ZW WW ZW!W/WZW"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.WWZW#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueductWWZWa^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812X/WZX Tejon RanchXXZXSS#9X/XZXCDWRXx/XZXTransmission SSXXZXXXZXXXZXXXZXXXZXX XZXX ?X ZXX -X ZXSwitchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were locatedX ,X ZXSM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.X ?X ZX XX ZX!X*XZX"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.X(XZX#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueductX (XZXa^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812Y(XZY Tejon RanchYYZYSS#9Y'YZYCDWRY'YZYTransmission SSYYZYYYZYYYZYYYZYYYZYY YZYY ?Y ZYY &Y ZYSwitchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were locatedY t$Y ZYSM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.Y ?Y ZY YY ZY!Yx"YZY"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.YD!YZY#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueductY YZYa^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812Zl YZZ Tejon RanchZXZZZSS#9Z` ZZZCDWRZ@ ZZZTransmission SSZZZZZZZZZZZZZZZZZZZZZ ZZZZ ?Z ZZZ |Z ZZSwitchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were locatedZ Z ZZSM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.Z ?Z ZZ ZZ ZZ!ZZZZ"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.ZZZZ#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueductZZZZa^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812[ZZ[ Tejon Ranch[ [Z[SS#9[[Z[CDWR[[Z[Transmission SS[[Z[[[Z[[[Z[[[Z[[[Z[[ [Z[[ ?[ Z[[ [ Z[Switchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were located[ <[ Z[SM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.[ ?[ Z[ [[ Z[![@[Z["For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.[ [Z[#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueduct[L[Z[a^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812\4[Z\ Tejon Ranch\\Z\SS#9\(\Z\CDWR\\Z\Transmission SS\\Z\\\Z\\\Z\\\Z\\\Z\\ \Z\\ ?\ Z\\ D\ Z\Switchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were located\  \ Z\SM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.\ ?\ Z\ \\ Z\!\ \Z\"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.\p \Z\#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueduct\ \Z\a^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812] \Z] Tejon Ranch]t]Z]SS#9] ]Z]CDWR]l ]Z]Transmission SS]]Z]]]Z]]]Z]]]Z]]]Z]] ]Z]] ?] Z]] ] Z]Switchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were located] ] Z]SM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.] ?] Z] ]] Z]!]]Z]"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.]]Z]#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueduct]]Z]a^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812^]Z^ Tejon Ranch^(^Z^SS#9^^Z^CDWR^^Z^Transmission SS^^Z^^^Z^^^Z^^^Z^^^Z^^ ^Z^^ ?^ Z^^  ^ Z^Switchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were located^ 茖^ Z^SM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.^ ?^ Z^ ^^ Z^!^^Z^"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.^l^Z^#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueduct^^Z^a^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812_^Z_ Tejon Ranch_܌_Z_SS#9__Z_CDWR_h_Z_Transmission SS__Z___Z___Z___Z___Z__ _Z__ ?_ Z__ _ Z_Switchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were located_ _ Z_SM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g._ ?_ Z_ __ Z_!__Z_"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.__Z_#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueduct__Z_a^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812D:l(((((((((VVVVVVVV`abcdefghijklmnopqrstuvwxyz{|}~`_Z` Tejon Ranch``Z`SS#9``Z`CDWR``Z`Transmission SS``Z```Z```Z```Z```Z`` `Z`` ?` Z`` ` Z`Switchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were located` d` Z`SM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.` ?` Z` `` Z`!`h`Z`"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.`4`Z`#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueduct`t`Z`a^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812a\`Za Tejon RanchaDaZaSS#9aPaZaCDWRa0aZaTransmission SSaaZaaaZaaaZaaaZaaaZaa aZaa ?a Zaa la ZaSwitchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were locateda a ZaSM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.a ?a Za aa Za!aaZa"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.aaZa#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueductaaZaa^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812baZb Tejon RanchbbZbSS#9bbZbCDWRbbZbTransmission SSbbZbbbZbbbZbbbZbbbZbb bZbb ?b Zbb b ZbSwitchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were locatedb ,b ZbSM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.b ?b Zb bb Zb!b0ߤbZb"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.bݤbZb#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueductb<ݤbZba^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812c$ݤbZc Tejon RanchccZcSS#9cݤcZcCDWRcܤcZcTransmission SSccZcccZcccZcccZcccZcc cZcc ?c Zcc 4ۤc ZcSwitchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were locatedc ٤c ZcSM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.c ?c Zc cc Zc!cפcZc"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.c`֤cZc#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueductcդcZca^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812dդcZd Tejon Ranchd`dZdSS#9d|դdZdCDWRd\դdZdTransmission SSddZdddZdddZdddZdddZdd dZdd ?d Zdd Ӥd ZdSwitchyard associated with pump plant is several hundred yards north of pump plant and is situated on fill that spans a ravine. Most of damage was onwest end of site where fill was relatively thin. Transformers were locatedd Ѥd ZdSM instrument located in the basement of the pump plant recorded a .08g peak horizontal acceleration. Because of the reduction due to embedment of the plant the switchyard acceleration is assumed to be 0.1g.d ?d Zd dd Zd!dϤdZd"For the purposed of this report the CBs are numbered from W to E 1 to 6 and the phases A to C. CB 3 was 3000 amp unit and fed other CBs. Its failure de-energized the entire yard and plant. It took 4 days to make repairs to partially restore service.d dZd#The aqueduct was shut down for 4 days until the switchyard was partially repaired. There is 14 days of water storage below this segment of the aqueductdtdZda^1. Lifeline Response to the Tejon Ranch EQ, Earthquake Spectra, Vol. 5, No. 4, 1989, pp791-812edZeWhittier NarrowseeZeSS#1e eZeSCEeeZe Power StationeeZeeeZeeeZeeeZeeeZee eZee jt?e Zee e Zee Xe Ze%"Ground motion from Paul Somervillee e Ze ee Ze!eeZe"eeZe#eeZe1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open file report 88-357f܍eZfWhittier NarrowsfȘfZfSS#1fԘfZfSCEffZf Power StationffZfffZfffZfffZfffZff fZff jt?f Zff f Zff  f Zf%"Ground motion from Paul Somervillef f Zf ff Zf!ffZf"ffZf#fTfZf1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357g@fZgWhittier Narrowsg|gZgSS#1ggZgSCEǧgZg Power StationggZgggZgggZgggZgggZgg gZgg jt?g Zgg g Zgg g Zg%"Ground motion from Paul Somervilleg g Zg gg Zg!ggZg"ggZg#ggZg1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357hgZhWhittier Narrowsh0hZhSS#1h<hZhSCEhhZh Power StationhhZhhhZhhhZhhhZhhhZhh hZhh jt?h Zhh h Zhh th Zh%"Ground motion from Paul Somervilleh h Zh hh Zh!hhZh"hhZh#hhZh1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357ihhZiWhittier Narrowsi䝖iZiSS#1iiZiSCEiLiZi Power StationiiZiiiZiiiZiiiZiiiZii iZii jt?i Zii i Zii (i Zi%"Ground motion from Paul Somervillei i Zi ii Zi!iiZi"iiZi#ipiZi1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357j(iZjWhittier NarrowsjjZjSS#1jjZjSCEj jZj Power StationjjZjjjZjjjZjjjZjjjZjj jZjj jt?j Zjj j Zjj ܟj Zj%"Ground motion from Paul Somervillej j Zj jj Zj!jjZj"jjZj#j$jZj1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357kjZkWhittier NarrowskLkZkSS#1kXkZkSCEkkZk Power StationkkZkkkZkkkZkkkZkkkZkk kZkk jt?k Zkk k Zkk k Zk%"Ground motion from Paul Somervillek k Zk kk Zk!kkZk"kkZk#kءkZk1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357lkZlWhittier NarrowsllZlSS#1l lZlSCEl؊lZl Power StationllZlllZlllZlllZlllZll lZll jt?l Zll l Zll Dl Zl%"Ground motion from Paul Somervillel l Zl ll Zl!llZl"llZl#llZl1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357mlZmWhittier NarrowsmmZmSS#1mmZmSCEmmZm Power StationmmZmmmZmmmZmmmZmmmZmm mZmm jt?m Zmm m Zmm m Zm%"Ground motion from Paul Somervillem m Zm mm Zm!mmZm"mmZm#m@mZm1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357ntmZnWhittier NarrowsnhnZnSS#1ntnZnSCEnXnZn Power StationnnZnnnZnnnZnnnZnnnZnn nZnn jt?n Znn n Znn n Zn%"Ground motion from Paul Somervillen n Zn nn Zn!nnZn"nnZn#nnZn1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357o؉nZoWhittier NarrowsooZoSS#4o(oZoSCEoPoZoTransmission SSo oZo# Norwalk, Firestone Blvd and I605ooZoooZoooZoooZoo oZoo MbX?o Zoo o Zoo `o Zo%"Ground motion from Paul Somervilleo o Zo oo Zo!ooZo"ooZo#ooZo1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357p舤oZpWhittier NarrowspЩpZpSS#4pܩpZpSCEp$pZpTransmission SSppZp# Norwalk, Firestone Blvd and I605ppZpppZpppZpppZpp pZpp MbX?p Zpp p Zpp p Zp%"Ground motion from Paul Somervillep p Zp pp Zp!ppZp"ppZp#p\pZp1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357qpZqWhittier NarrowsqqZqSS#4qqZqSCEqxqZqTransmission SSq4qZq# Norwalk, Firestone Blvd and I605qqZqqqZqqqZqqqZqq qZqq MbX?q Zqq q Zqq ȫq Zq%"Ground motion from Paul Somervilleq q Zq qq Zq!qqZq"qqZq#qqZq1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357rpqZrWhittier Narrowsr8rZrSS#4rDrZrSCErrZrTransmission SSrrZr# Norwalk, Firestone Blvd and I605rrZrrrZrrrZrrrZrr rZrr MbX?r Zrr r Zrr |r Zr%"Ground motion from Paul Somerviller r Zr rr Zr!rrZr"rrZr#rĭrZr1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357sԅrZsWhittier Narrowss쮖sZsSS#4ssZsSCEssZsTransmission SSs$sZs# Norwalk, Firestone Blvd and I605ssZsssZsssZsssZss sZss MbX?s Zss s Zss 0s Zs%"Ground motion from Paul Somervilles s Zs ss Zs!ssZs"ssZs#sxsZs1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357tsZtWhittier NarrowsttZtSS#4ttZtSCEttZtTransmission SStLtZt# Norwalk, Firestone Blvd and I605ttZtttZtttZtttZtt tZtt MbX?t Ztt t Ztt 䰖t Zt%"Ground motion from Paul Somervillet t Zt tt Zt!ttZt"ttZt#t,tZt1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357u܀tZuWhittier NarrowsuTuZuSS#4u`uZuSCEu(uZuTransmission SSuuZu# Norwalk, Firestone Blvd and I605uuZuuuZuuuZuuuZuu uZuu MbX?u Zuu u Zuu u Zu%"Ground motion from Paul Somervilleu u Zu uu Zu!uuZu"uuZu#uಖuZu1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357vuZvWhittier NarrowsvvZvSS#4vvZvSCEv~vZvTransmission SSvT}vZv# Norwalk, Firestone Blvd and I605vvZvvvZvvvZvvvZvv vZvv MbX?v Zvv v Zvv Lv Zv%"Ground motion from Paul Somervillev v Zv vv Zv!vvZv"vvZv#vvZv1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357w0}vZwWhittier NarrowswwZwSS#4wȵwZwSCEw{wZwTransmission SSw|{wZw# Norwalk, Firestone Blvd and I605wwZwwwZwwwZwwwZww wZww MbX?w Zww w Zww w Zw%"Ground motion from Paul Somervillew w Zw ww Zw!wwZw"wwZw#wHwZw1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357x zwZxWhittier NarrowsxpxZxSS#4x|xZxSCExXxxZxTransmission SSxyxZx# Norwalk, Firestone Blvd and I605xxZxxxZxxxZxxxZxx xZxx MbX?x Zxx x Zxx x Zx%"Ground motion from Paul Somervillex x Zx xx Zx!xxZx"xxZx#xxZx1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357y4xxZyWhittier Narrowsy$yZySS#4y0yZySCEyxyZyTransmission SSyvyZy# Norwalk, Firestone Blvd and I605yyZyyyZyyyZyyyZyy yZyy MbX?y Zyy y Zyy hy Zy%"Ground motion from Paul Somervilley y Zy yy Zy!yyZy"yyZy#yyZy1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357z`vyZzWhittier NarrowszغzZzSS#6z亖zZzSCEztzZzTransmission SSztzZz Cerritos, south of 605 and 91zzZzzzZzzzZzzzZzz zZzz ?5^I ?z Zzz z Zzz z Zz%"Ground motion from Paul Somervillez z Zz zz Zz!zzZz"zzZz#zdzZz1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357{4szZ{Whittier Narrows{{Z{SS#6{{Z{SCE{q{Z{Transmission SS{r{Z{ Cerritos, south of 605 and 91{{Z{{{Z{{{Z{{{Z{{ {Z{{ ?5^I ?{ Z{{ { Z{{ м{ Z{%"Ground motion from Paul Somerville{ { Z{ {{ Z{!{{Z{"{{Z{#{{Z{1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357|dq{Z|Whittier Narrows|@|Z|SS#6|L|Z|SCE|Dq|Z|Transmission SS|o|Z| Cerritos, south of 605 and 91||Z|||Z|||Z|||Z|| |Z|| ?5^I ?| Z|| | Z|| | Z|%"Ground motion from Paul Somerville| | Z| || Z|!||Z|"||Z|#|̾|Z|1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357}o|Z}Whittier Narrows}}Z}SS#6}}Z}SCE}n}Z}Transmission SS}m}Z} Cerritos, south of 605 and 91}}Z}}}Z}}}Z}}}Z}} }Z}} ?5^I ?} Z}} } Z}} 8} Z}%"Ground motion from Paul Somerville} } Z} }} Z}!}}Z}"}}Z}#}}Z}1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357~dl}Z~Whittier Narrows~~Z~SS#6~~Z~SCE~j~Z~Transmission SS~(l~Z~ Cerritos, south of 605 and 91~~Z~~~Z~~~Z~~~Z~~ ~Z~~ ?5^I ?~ Z~~ ~ Z~~ ~ Z~%"Ground motion from Paul Somerville~ ~ Z~ ~~ Z~!~~Z~"~~Z~#~4–~Z~1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357j~ZWhittier Narrows\ÖZSS#6hÖZSCEtjZTransmission SShZ Cerritos, south of 605 and 91ZZZZ Z ?5^I ? Z  Z Ö Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#ÖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357D|lVVVVVAAAAAAAAAAjjjjjjjjjjjggggghZWhittier NarrowsŖZSS#6ŖZSCEHgZTransmission SS gZ Cerritos, south of 605 and 91ZZZZ Z ?5^I ? Z  Z TŖ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#ŖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357eZWhittier NarrowsƖZSS#6ƖZSCEcZTransmission SSXeZ Cerritos, south of 605 and 91ZZZZ Z ?5^I ? Z  Z ǖ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#PǖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357cZWhittier NarrowsxȖZSS#6ȖZSCEcZTransmission SSbZ Cerritos, south of 605 and 91ZZZZ Z ?5^I ? Z  Z Ȗ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#ɖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357aZWhittier Narrows,ʖZSS#68ʖZSCEx`ZTransmission SS<`Z Cerritos, south of 605 and 91ZZZZ Z ?5^I ? Z  Z pʖ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#ʖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357^ZWhittier Narrows˖ZSS#6˖ZSCE]ZTransmission SS^Z Cerritos, south of 605 and 91ZZZZ Z ?5^I ? Z  Z $̖ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#l̖Z1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357\ZWhittier Narrows͖ZSS#8͖ZSCE\ZTransmission SSZZZZZ Z y&1? Z  Z ͖ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z# ΖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357d[ZWhittier NarrowsHϖZSS#8TϖZSCED[ZTransmission SSZZZZZ Z y&1? Z  Z ϖ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#ϖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357 [ZWhittier NarrowsЖZSS#8іZSCEYZTransmission SSZZZZZ Z y&1? Z  Z @і Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#іZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357YZWhittier NarrowsҖZSS#8ҖZSCElYZTransmission SSZZZZZ Z y&1? Z  Z Җ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#<ӖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357WZWhittier NarrowsdԖZSS#8pԖZSCEWZTransmission SSZZZZZ Z y&1? Z  Z Ԗ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#ԖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357WZWhittier Narrows(UZSS#10$֖ZSCEHVZTransmission SSZZZZZ Z Q? Z  Z \֖ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#֖Z1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357$VZWhittier NarrowsUZSS#10זZSCEVZTransmission SSZZZZZ Z Q? Z  Z ؖ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#XؖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357TZWhittier NarrowsTZSS#10ٖZSCEdTZTransmission SSZZZZZ Z Q? Z  Z ٖ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z# ږZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357@TZWhittier Narrows4TZSS#10@ۖZSCETZTransmission SSZZZZZ Z Q? Z  Z xۖ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#ۖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357SZWhittier NarrowsSZSS#10ܖZSCESZTransmission SSZZZZZ Z Q? Z  Z ,ݖ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#tݖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357SZWhittier Narrows,SZSS#10ޖZSCERZTransmission SSZZZZZ Z Q? Z  Z ޖ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#(ߖZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357RZWhittier NarrowsxQZSS#10\ZSCERZTransmission SSZZZZZ Z Q? Z  Z  Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#Z1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357tRZWhittier NarrowsZSCEHZTransmission SSGZ&#12300 Florence Av, Santa fe SpringsZZZZ Z B`"? Z  Z > Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#?Z1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357FZWhittier NarrowsFZSS#32D@ZSCEFZTransmission SS|FZ&#12300 Florence Av, Santa fe SpringsZZZZ Z B`"? Z  Z |@ Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#@Z1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357XFZWhittier NarrowsLFZSS#42AZSCEDEZTransmission SSFZ8320 Rex Rd, Pico RiversZZZZ Z Gz? Z  Z 0B Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#xBZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357 EZWhittier NarrowsEZSS#43CZSCEDZTransmission SSDZ11523 Paramount Blvd, DowneyZZZZ Z 5^I ? Z  Z C Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#,DZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357DZWhittier NarrowsDZSS#46`EZSCECZTransmission SSZZZZZ Z V-? Z  Z E Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#EZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357dDZWhittier NarrowsCZSS#46GZSCEhCZTransmission SSZZZZZ Z V-? Z  Z LG Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#GZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357DCZWhittier Narrows8CZSS#46HZSCECZTransmission SSZZZZZ Z V-? Z  Z I Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#HIZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357BZWhittier NarrowsAZSS#46|JZSCEBZTransmission SSZZZZZ Z V-? Z  Z J Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#JZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357BZWhittier NarrowsAZSS#460LZSCEAZTransmission SSZZZZZ Z V-? Z  Z hL Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#LZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357AZWhittier NarrowsAZSS#46MZSCEpAZTransmission SSZZZZZ Z V-? Z  Z N Z%"Ground motion from Paul Somerville  Z  Z!Z"Z#dNZ1. Earthquake Spectra, Vol. 4, No. 1, 1988, pp 1, 43 2. CDMG Reports OSMS 87-03 and OSMS 87-05. 3. USGS open0file report 88-357XAZ NorthridgeOZSS#3LAZLADWP,AZTransmission SS@Z13333 N Sepulveda BlvdZZZZ Z ߾3? Z  Z O Z%"Ground Motion from Paul Somerville  Z  Z!Z"Z#Z0@Z Northridge@QZSS#3$@ZLADWP@ZTransmission SS?Z13333 N Sepulveda BlvdZZZZ Z ߾3? Z  Z Q Z%"Ground Motion from Paul Somerville  Z  Z!Z"Z#Z?Z NorthridgeRZSS#3?ZLADWP?ZTransmission SS`?Z13333 N Sepulveda BlvdZZZZ Z ߾3? Z  Z 8S Z%"Ground Motion from Paul Somerville  Z  Z!Z"Z#ZH?Z NorthridgeTZSS#3>ZLADWPd>ZTransmission SS4>Z13333 N Sepulveda BlvdZZZZ Z ߾3? 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KZKTransmission SSKKZKKKZKKKZKKKZKKKZKK KZKK K ZKK K ZKK K ZKK K ZK KK ZK!KKZK"KKZK#KKZKL!KZL NorthridgeL!LZLSS#37L!LZLLADWPL!LZLTransmission SSLLZLLLZLLLZLLLZLLLZLL LZLL L ZLL L ZLL L ZLL L ZL LL ZL!LLZL"LLZL#LLZLMp#LZM NorthridgeMd#MZMSS#38MX#MZMLADWPM#MZMTransmission SSM#MZM 6000 WilburMMZMMMZMMMZMMMZMM MZMM 9#J{?M ZMM M ZMM #M ZM%"Ground Motion from Paul SomervilleM M ZM MM ZM!MMZM"MMZM#MMZMN$%MZN NorthridgeN%NZNSS#38N %NZNLADWPN%NZNTransmission SSN%NZN 6001 WilburNNZNNNZNNNZNNNZNN NZNN 9#J{?N ZNN N ZNN <%N ZN%"Ground Motion from Paul SomervilleN N ZN NN ZN!NNZN"NNZN#NNZNO&NZO NorthridgeO&OZOSS#38O&OZOLADWPOP'OZOTransmission SSO8'OZO 6002 WilburOOZOOOZOOOZOOOZOO OZOO 9#J{?O ZOO O ZOO &O ZO%"Ground Motion from Paul SomervilleO O ZO OO ZO!OOZO"OOZO#OOZOP(OZP NorthridgeP(PZPSS#38Pt(PZPLADWPP)PZPTransmission SSP(PZP 6002 WilburPPZPPPZPPPZPPPZPP PZPP 9#J{?P ZPP P ZPP (P ZP%"Ground Motion from Paul SomervilleP P ZP PP ZP!PPZP"PPZP#PPZPQ@*PZQ NorthridgeQ4*QZQSS#38Q(*QZQLADWPQ*QZQTransmission SSQ*QZQ 6003 WilburQQZQQQZQQQZQQQZQQ QZQQ 9#J{?Q ZQQ Q ZQQ X*Q ZQ%"Ground Motion from Paul SomervilleQ Q ZQ QQ ZQ!QQZQ"QQZQ#QQZQR+QZR NorthridgeR+RZRSS#38R+RZRLADWPRl,RZRTransmission SSRT,RZR 6004 WilburRRZRRRZRRRZRRRZRR RZRR 9#J{?R ZRR R ZRR  ,R ZR%"Ground Motion from Paul SomervilleR R ZR RR ZR!RRZR"RRZR#RRZRS-RZS NorthridgeS-SZSSS#38S-SZSLADWPS .SZSTransmission SSS.SZS 6005 WilburSSZSSSZSSSZSSSZSS SZSS 9#J{?S ZSS S ZSS -S ZS%"Ground Motion from Paul SomervilleS S ZS SS ZS!SSZS"SSZS#SSZST\/SZT NorthridgeTP/TZTSS#38TD/TZTLADWPT/TZTTransmission SST/TZT 6006 WilburTTZTTTZTTTZTTTZTT TZTT 9#J{?T ZTT T ZTT t/T ZT%"Ground Motion from Paul SomervilleT T ZT TT ZT!TTZT"TTZT#TTZTU1TZU NorthridgeU1UZUSS#38U0UZULADWPU1UZUTransmission SSUp1UZU 6006 WilburUUZUUUZUUUZUUUZUU UZUU 9#J{?U ZUU U ZUU (1U ZU%"Ground Motion from Paul SomervilleU U ZU UU ZU!UUZU"UUZU#UUZUV2UZV NorthridgeV2VZVSS#38V2VZVLADWPV<3VZVTransmission SSV$3VZV 6007 WilburVVZVVVZVVVZVVVZVV VZVV 9#J{?V ZVV V ZVV 2V ZV%"Ground Motion from Paul SomervilleV V ZV VV ZV!VVZV"VVZV#VVZVWx4VZW NorthridgeWl4WZWSS#38W`4WZWLADWPW4WZWTransmission SSW4WZW 6007 WilburWWZWWWZWWWZWWWZWW WZWW 9#J{?W ZWW W ZWW 4W ZW%"Ground Motion from Paul SomervilleW W ZW WW ZW!WWZW"WWZW#WWZWX,6WZX NorthridgeX 6XZXSS#38X6XZXLADWPX6XZXTransmission SSX6XZX 6007 WilburXXZXXXZXXXZXXXZXX XZXX 9#J{?X ZXX X ZXX D6X ZX%"Ground Motion from Paul SomervilleX X ZX XX ZX!XXZX"XXZX#XXZXY7XZY NorthridgeY7YZYSS#38Y7YZYLADWPYX8YZYTransmission SSY@8YZY 6007 WilburYYZYYYZYYYZYYYZYY YZYY 9#J{?Y ZYY Y ZYY 7Y ZY%"Ground Motion from Paul SomervilleY Y ZY YY ZY!YYZY"YYZY#YYZYZ9YZZ NorthridgeZ9ZZZSS#38Z|9ZZZLADWPZ :ZZZTransmission SSZ9ZZZ 6008 WilburZZZZZZZZZZZZZZZZZ ZZZZ 9#J{?Z ZZZ Z ZZZ 9Z ZZ%"Ground Motion from Paul SomervilleZ Z ZZ ZZ ZZ!ZZZZ"ZZZZ#ZZZZ[H;ZZ[ Northridge[<;[Z[SS#38[0;[Z[LADWP[;[Z[Transmission SS[;[Z[ 6009 Wilbur[[Z[[[Z[[[Z[[[Z[[ [Z[[ 9#J{?[ Z[[ [ Z[[ `;[ Z[%"Ground Motion from Paul Somerville[ [ Z[ [[ Z[![[Z["[[Z[#[[Z[\<[Z\ Northridge\<\Z\SS#38\<\Z\LADWP\t=\Z\Transmission SS\\=\Z\ 6010 Wilbur\\Z\\\Z\\\Z\\\Z\\ \Z\\ 9#J{?\ Z\\ \ Z\\ =\ Z\%"Ground Motion from Paul Somerville\ \ Z\ \\ Z\!\\Z\"\\Z\#\\Z\]>\Z] Northridge]>]Z]SS#38]>]Z]LADWP](?]Z]Transmission SS]?]Z] 6011 Wilbur]]Z]]]Z]]]Z]]]Z]] ]Z]] 9#J{?] Z]] ] Z]] >] Z]%"Ground Motion from Paul Somerville] ] Z] ]] Z]!]]Z]"]]Z]#]]Z]^d@]Z^ Northridge^X@^Z^SS#38^L@^Z^LADWP^@^Z^Transmission SS^@^Z^ 6012 Wilbur^^Z^^^Z^^^Z^^^Z^^ ^Z^^ 9#J{?^ Z^^ ^ Z^^ |@^ Z^%"Ground Motion from Paul Somerville^ ^ Z^ ^^ Z^!^^Z^"^^Z^#^^Z^_B^Z_ Northridge_ B_Z_SS#38_B_Z_LADWP_B_Z_Transmission SS_xB_Z_ 6013 Wilbur__Z___Z___Z___Z__ _Z__ 9#J{?_ Z__ _ Z__ 0B_ Z_%"Ground Motion from Paul Somerville_ _ Z_ __ Z_!__Z_"__Z_#__Z_D8[l`abcdefghijklmnopqrstuvwxyz{|}~`C_Z` Northridge`C`Z`SS#38`C`Z`LADWP`DD`Z`Transmission SS`,D`Z` 6014 Wilbur``Z```Z```Z```Z`` `Z`` 9#J{?` Z`` ` Z`` C` Z`%"Ground Motion from Paul Somerville` ` Z` `` Z`!``Z`"``Z`#``Z`aE`Za NorthridgeatEaZaSS#38ahEaZaLADWPaEaZaTransmission SSaEaZa 6015 WilburaaZaaaZaaaZaaaZaa aZaa 9#J{?a Zaa a Zaa Ea Za%"Ground Motion from Paul Somervillea a Za aa Za!aaZa"aaZa#aaZab4GaZb Northridgeb(GbZbSS#38bGbZbLADWPbGbZbTransmission SSbGbZb 6016 WilburbbZbbbZbbbZbbbZbb bZbb 9#J{?b Zbb b Zbb LGb Zb%"Ground Motion from Paul Somervilleb b Zb bb Zb!bbZb"bbZb#bbZbcHbZc NorthridgecHcZcSS#38cHcZcLADWPc`IcZcTransmission SScHIcZc 6017 WilburccZcccZcccZcccZcc cZcc 9#J{?c Zcc c Zcc Ic Zc%"Ground Motion from Paul Somervillec c Zc cc Zc!ccZc"ccZc#ccZcdJcZd NorthridgedJdZdSS#38dJdZdLADWPdKdZdTransmission SSdJdZd 6018 WilburddZdddZdddZdddZdd dZdd 9#J{?d Zdd d Zdd Jd Zd%"Ground Motion from Paul Somervilled d Zd dd Zd!ddZd"ddZd#ddZdePLdZe NorthridgeeDLeZeSS#38e8LeZeLADWPeLeZeTransmission SSeLeZe 6019 WilbureeZeeeZeeeZeeeZee eZee 9#J{?e Zee e Zee hLe Ze%"Ground Motion from Paul Somervillee e Ze ee Ze!eeZe"eeZe#eeZefMeZf NorthridgefMfZfSS#41fMfZfSCEfdNfZfTransmission SSffZfffZfffZfffZfffZff fZff ܵ|?f Zff f Zff Nf Zf%"Ground Motion from Paul Somervillef f Zf ff Zf!ffZf"ffZf#ffZfgOfZg NorthridgegOgZgSS#41gOgZgSCEgPgZgTransmission SSggZgggZgggZgggZgggZgg gZgg ܵ|?g Zgg g Zgg Og Zg%"Ground Motion from Paul Somervilleg g Zg gg Zg!ggZg"ggZg#ggZgh`QgZh NorthridgehTQhZhSS#41hLQhZhSCEhQhZhTransmission SShhZhhhZhhhZhhhZhhhZhh hZhh ܵ|?h Zhh h Zhh Qh Zh%"Ground Motion from Paul Somervilleh h Zh hh Zh!hhZh"hhZh#hhZhiShZi NorthridgeiSiZiSS#41iSiZiSCEiSiZiTransmission SSiiZiiiZiiiZiiiZiiiZii iZii ܵ|?i Zii i Zii 8Si Zi%"Ground Motion from Paul Somervillei i Zi ii Zi!iiZi"iiZi#iiZijTiZj NorthridgejTjZjSS#44jTjZjLADWPjUjZjTransmission SSjTjZj13333 N Sepulveda BlvdjjZjjjZjjjZjjjZjj jZjj s?j Zjj j Zjj 4Uj ZjYVGround Motion from Paul Somerville, recording close by at the Sylmar Converter Stationj j Zj jj Zj!jjZj"jjZj#jjZjkVjZk Northridgek|VkZkSS#44kpVkZkLADWPkWkZkTransmission SSkVkZk13333 N Sepulveda BlvdkkZkkkZkkkZkkkZkk kZkk s?k Zkk k Zkk Vk ZkYVGround Motion from Paul Somerville, recording close by at the Sylmar Converter Stationk k Zk kk Zk!kkZk"kkZk#kkZkl@7 @ dcoa'6X`tkuThgpbgs5  dMbP?_*+%&A Page &P&?'q= ףp?( ףp= ?)(\?MHP DeskJet 560C Printer d(,,@^}"d,? ףp= ?U} I } } I} } m}  } m} I} m} $} m} } m} } m} I} } $$} } } $} +} $"} I } m } I } !!$} ""I } ## } $I ########## # # # # ###################                                  ! "TqsZSS#1`qsZ$ Damaged?Z&pqsZ'Circuit Breaker CBqs!Z;CBqsZ( Live TankZ)Z+ Z,  Z-  Z.  Z/  Z0 Z1Z2l@Z3Z4Z5Z6Z8qsZ9SF6Z:Z=Z>qsZ?qnSF6 leaking at entrance bushing on non-CT column. Is this support column or bushing? What type of equipment.Z@rsZQuaternary formation - soilZ<rsZNoZ7ZB ]@ ZC "ZD!ZA"ZEZSS#1pXZ$ Undamaged:Z&2*Z'Circuit Breaker CBZ;CBZ( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:@XZ=What type of equipmentZ>Z?Z@YZQuaternary formation - soilZ<:ZNoZ7 m@ZB ]@ZC ZD! ZA"!ZE:"ZSS#2:Z$ DamagedZ& ZZ'Transformer TRFZ;TRZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2N@Z30@Z4Z5Z6Z8Z9Z:Z=Z>]Z?What was problem?Z@[ZQuaternary formation - soilZ<pHZNoZ7k@ZB ]@ZC ZD! ZA"!ZExH"ZSS#4JZ$ Damaged?Z&[Z'Circuit Breaker CBKZ;CB9 VZ( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6d]Z8General Electric<]Z9ATB5 230-20000-5-20Z:Z=Z>P_Z?!Cracked non-CT support column.Z@[ZQuaternary formation - soilZ<KZNoZ7ZB ]@ZC ZD! ZA"!ZEM"ZSS#4<_Z$ UndamagedOZ&2* \Z'Circuit Breaker CBPZ;CB9tYZ( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6_Z8General Electric^Z9ATB5 230-20000-5-20Z:Z=Z>Z?Z@H\ZQuaternary formation - soilZ<xRZNoZ7ZB ]@ZC ZD! ZA"!ZE,T"ZSS#4\Z$ Undamaged?Z&`Z'Transformer TR([Z;TR2Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@^ZQuaternary formation - soilZ<\ZNoZ7ZB @@ZC ZD! ZA"!ZE\"ZSS#4T^Z$ Damaged?Z&bZ'Transformer TR^Z;TR2Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6pbZ8General ElectricXbZ9 3o D572975Z:Z=Z>XdZ?!Oil leak. Where? Which unit?Z@aZQuaternary formation - soilZ<`ZNoZ7ZB ]@ZC ZD! ZA"!ZE`"ZSS#4D`Z$ Damaged?Z&8dZ'Transformer TRaZ;TR2Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3N@Z4Z5Z6dZ8 Pennsylvania dZ9 3 phaseZ:Z=Z>xZ?+(Gas leak in man hole cover. Which unit?Z@dZQuaternary formation - soilZ<aZNoZ7ZB ]@ZC ZD! ZA"!ZE `c"Z SS#6 lc Z $ Damaged @ Z & Tf Z 'Circuit Breaker CB c Z ;CB9 Xe Z ( Live Tank  Z )  Z +  Z ,  Z -  Z .  Z /  Z 0  Z 1  Z 2 l@ Z 3  Z 4  Z 5  Z 6 x Z 8General Electric lx Z 9ATB5 230-20000-5-20  Z :  Z =  Z > T Z ?roBlown seals on bushing #2. What is bushing #2. This is probably inner interrupter head bushing. what phases? z Z @restored 10/5/87 @ 2300 |f Z Quaternary formation - soil  Z < c Z No  Z 7  Z B  ]@ Z C  Z D ! Z A " !Z E $e "Z SS#6 z Z $ Undamaged 2@ Z & f Z 'Circuit Breaker CB f Z ;CB9  g Z ( Live Tank  Z )  Z +  Z ,  Z -  Z .  Z /  Z 0  Z 1  Z 2 l@ Z 3  Z 4  Z 5  Z 6 z Z 8General Electric z Z 9ATB5 230-20000-5-20  Z :  Z =  Z > t| Z ?# There is also another ATB 4 or 6  Z @ Ly Z Quaternary formation - soil  Z <  g Z No  Z 7  Z B  ]@ Z C  Z D ! Z A " !Z E dg "Z SS#6 `| Z $ Undamaged "@ Z & (j Z 'Circuit Breaker CB h Z ;CB9 h Z ( Live Tank  Z )  Z +  Z ,  Z -  Z .  Z /  Z 0  Z 1  Z 2 l@ Z 3  Z 4  Z 5  Z 6 <| Z 8General Electric  Z 9  Z :  Z =  Z >  Z ?1.This data added to reflect total of 30 at site  Z @ } Z Quaternary formation - soil  Z < h Z No  Z 7  Z B  @ Z C  Z D ! Z A " !Z E h "Z SS#8 i Z $ Damaged ? Z &  Z 'Lightning Arrester LA tj Z ;LA  Z (  Z )  Z +  Z ,  Z -  Z .  Z /  Z 0  Z 1  Z 2 N@ Z 3  Z 4  Z 5  Z 6  Z 8  Z 9  Z :  Z =  Z > ā Z ?)&Failed porcelain. How was it mounted.  Z @  Z !Mesozoic formation - hard rock  Z < j Z No  Z 7  Z B  ]@ Z C  Z D ! Z A " !Z E (l "Z SS#8 m Z $ Undamaged @ Z & X Z 'Lightning Arrester LA l Z ;LA  Z (  Z )  Z +  Z ,  Z -  Z .  Z /  Z 0  Z 1  Z 2 N@ Z 3  Z 4  Z 5  Z 6  Z 8  Z 9  Z :  Z =  Z > `~ Z ?How was it mounted.  Z @ d Z !Mesozoic formation - hard rock  Z < y Z No  Z 7  Z B  ]@ Z C  Z D ! Z A " !Z Ey "ZSS#8{Z$ Undamaged?Z&DZ'Transformer TRyZ;TRZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2N@Z3Z4Z5Z6Z8Z9Z: Z=Equipment info not providedZ>~Z?Top plate gasket leaking.Z@Z!Mesozoic formation - hard rockZ<x}ZNoZ7ZB ]@ZC ZD! ZA"!ZE؀"ZSS#11$Z$ Damaged?Z&Z'Current Trans. CT}Z;CTZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2Z3Z4Z5Z6Z8Z9Z:Z=Z>8Z? Oil leakZ@ZQuaternary formation - soilZ<ZNoZ7ZB ]@ZC ZD! ZA"!ZE,"ZSS#11@Z$ DamagedZ&`Z'Transformer TRZ;TRZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2Z3Z4Z5Z6Z8Z9Z:Z=Z>LZ?"Chipped bushings. Need details.Z@䐂ZQuaternary formation - soilZ<ȏZNoZ7ZB ]@ZC ZD! ZA"!ZE\"ZSS#15Z$ Damaged?Z&,Z'Circuit Breaker CBTZ;CBZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1p@ Z2N@Z3Z4Z5Z6Z8Z9Z:Z=Voltage and type not knownZ>ȕZ?What was problem?Z@|Z!Mesozoic formation - hard rockZ<xZNoZ7ZB ]@ZC ZD! ZA"!ZEH"ZSS#33Z$ Damaged?Z&Z'Circuit Breaker CBZ;CBZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Burnt. Is this contacts?Z@Z!Tertiary formation - soft rockZ<ZNoZ7ZB ]@ZC ZD! ZA"!ZE"ZSS#128Z$ Damaged?Z&HZ'Circuit Breaker CB왂Z;CB15ApZ( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1ԙ Z2 552 C phase@@Z3Z4p@Z5Z6Z8General ElectricxZ9ATB-550-2 SN 0139A8759-204̞@Z:0Z=%"0.2 g static seismic specificationZ>?<9Gasket leak at base of top porelain member above CT lead.䚂Z@+(2 days to repair. No effect on service.쫂Z:7(UBC S1) < 200 ft alluvium overlying sedimentary rock.Z<ZNoZ7ZB Z@ZC ZD! ZA"!ZE"ZSS#12$Z$ Undamaged @Z&Z'Circuit Breaker CBZ;CB15A Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2 552, 652@@Z3Z4p@Z5Z6ਂZ8General Electric̨Z9 ATB-550-2̞@Z:Z=%"0.2 g static seismic specificationZ>Z?Z@LZ:7(UBC S1) < 200 ft alluvium overlying sedimentary rock.Z<lZNoZ7ZB Z@ZC ZD! ZA"!ZET"ZSS#128Z$ Undamaged@@Z&dZ'Circuit Breaker CB_ Z;CB20AZ( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z8Z9OilZ:Z=Z>Z?Z@t_ Z:7(UBC S1) < 200 ft alluvium overlying sedimentary rock.Z<ZNoZ7ZB @ZC ZD! ZA"!ZEh_ "ZSS#12T_ Z$ Undamaged@Z&Z'Circuit Breaker CBH_ Z;CB74Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z88_ Z9 unknownZ:Z=Z>Z?Z@^ Z:7(UBC S1) < 200 ft alluvium overlying sedimentary rock.Z<$ZNoZ7ZB @ZC ZD! ZA"!ZE^ "ZSS#12^ Z$ Undamaged@Z&lZ'Circuit Breaker CB^ Z;CB74Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6^ Z8 Westinghousel^ Z9 ? 2 head,Z:Z=Z>Z?Z@] Z:7(UBC S1) < 200 ft alluvium overlying sedimentary rock.Z<ZNoZ7ZB Z@ZC ZD! ZA"!ZE] "ZSS#12 Z$ Damaged?Z&] Z'Lightning Arrester LA] Z;LA5Z(Z)] Z+ Free StandingZ, Z-  Z.  Z/  Z0  Z1]  Z2 Bank 11B@@Z3Z4Z5Z6Z8Z9О@Z:Z=] Z>DAInstallation not verified. Associated with 500/230 kV TR Bank 11.\ Z?Failed porcelain\ Z@ replaced`\ Z:7(UBC S1) < 200 ft alluvium overlying sedimentary rock.Z<ZNoZ7ZB Z@ZC ZD! ZA"!ZET\ "ZSS#12@\ Z$ Undamaged@Z&\ Z'Lightning Arrester LA \ Z;LA5Z(Z)[ Z+ Free StandingZ, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9О@Z:Z=|[ Z><9Installation not verified. Associated with 500/230 kV TR.Z?Z@ [ Z:7(UBC S1) < 200 ft alluvium overlying sedimentary rock.Z<̱ZNoZ7ZB Z@ZC ZD! ZA"!ZE[ "ZSS#12Z Z$ Undamaged@Z&Z Z'Transformer TRZ Z;TR1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1Z  Z2 Bank 1 l@Z3\@Z4Z5Z6Z Z8 Westinghouse|Z Z9 single phase@Z:Z=Z>Z?Z@ Z Z:7(UBC S1) < 200 ft alluvium overlying sedimentary rock.Z<\ZNoZ7ZB @@ZC ZD! ZA"!ZEZ "ZSS#12@Z$ Damaged@Z&Y Z'Transformer TRY Z;TR3Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1Y  Z2 Bank 11@@Z3l@Z4Y Z5374 MVA each, 1122 MVA total4Y Z6-*1150 (High V bushing), 900 (Low V bushing)Y Z8General ElectricX Z9.+K 546561 thru 64, auto, ccoled by OA/FA/FOAО@Z:Z=Z>XX Z?1.all 500 kV bushings shifted 3/8". leaking oilX Z@,)20 days to repair. No effect on service.W Z:7(UBC S1) < 200 ft alluvium overlying sedimentary rock.Z<ZNoZ7ZB Z@ZC ZD! ZA"!ZE"ZSS#5W Z$ Undamaged8@Z&DÂZ'Circuit Breaker CBtW Z;CB20AĂZ( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z8Z9oilZ:Z=Z>Z?Z@dǂZQuaternary formation - soilZ<lW ZyesZ7ZB @ZC ZD! ZA"!ZE ł"ZSS#5ƂZ$ Damaged@Z&@W Z'Disconnect Switch DS8W Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ W  Z0Low Design, Horizontal  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:Z=Z>V Z?out of adjustmentZ@ւZQuaternary formation - soilZ<V ZyesZ7ZB @ZC ZD! ZA"!ZE8҂"ZSS#5V Z$ UndamagedH@Z&V Z'Disconnect Switch DSV Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ dV  Z0Low Design, Horizontal  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ւZQuaternary formation - soilZ<\V ZyesZ7ZB @ZC ZD! ZA"!ZEւ"ZSS#5HV Z$ Undamaged.@Z&V Z'Lightning Arrester LAV Z;LA1Z(Z)U Z+ Low DesignZ, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ۂZQuaternary formation - soilZ<U ZyesZ7ZB @ZC ZD! ZA"!ZED*lx!P636TH , & z%=`9 "  #!#"###$#%#&#'#(#)#*#+#,#-#.#/#0#1#2#3#4#5#6#7#8#9#:#;#<#=#>#?# Lׂ"Z SS#5 U  Z $ Undamaged ? Z & U  Z 'Transformer TR U  Z ;TR2  Z ( U  Z ) Smallrad/man  Z +  Z ,  Z -  Z .  Z /  Z 0  Z 1  Z 2 k@ Z 3 +@ Z 4  Z 5  Z 6  Z 8 pU  Z 9three phase, step up   Z :  Z =  Z > PU  Z ?radiator leak  U  Z @&#fixed using wrench to tighten bolts ۂ Z Quaternary formation - soil  Z < U  Z yes  Z 7  Z B  @ Z C  Z D ! Z A " !Z E!,ۂ "Z!SS#5!T !Z!$ Undamaged!@!Z!&!T !Z!'Transformer TR!T !Z!;TR2!!Z!(!T !Z!) Smallrad/man!!Z!+!!Z!,! !Z!-! ! Z!.! ! Z!/! ! Z!0! ! Z!1!! Z!2!k@!Z!3!+@!Z!4!!Z!5!!Z!6!!Z!8!|T !Z!9three phase, step up !!Z!:!!Z!=!!Z!>!!Z!?!!Z!@!!Z!Quaternary formation - soil!!Z!<!tT !Z!yes!!Z!7!!Z!B! @!Z!C! !Z!D!!! Z!A!"!!Z!E"hT !"Z"SS#24"TT "Z"$ Undamaged".@"Z"&""Z"'Circuit Breaker CB"HT "Z";CB20"܂"Z"( Dead Tank""Z")""Z"+""Z"," "Z"-" " Z"." " Z"/" " Z"0" " Z"1"" Z"2"l@"Z"3""Z"4"p@"Z"5""Z"6",T "Z"8 Westinghouse"S "Z"9"3200y SF15000/20000 sn2-62y1128"@"Z":""Z"=""Z">""Z"?""Z"@"(S "Z"c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s##Z#?##Z#@#Q #Z#c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s<9Friction clip anchors, flexible loop bus connection to CT$PO $Z$?All three interrupter head support columns failed. Adjacent CT and DSW did not fail. Support structure moved from under friction clips North about 1 foot.$$Z$@$$Z$c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s]ZFriction clip anchors, unit did not move significantly, flexible loop bus connection to CT%N %Z%?jgCenter interrupter head support column failed. Entire column failed. Adjacent CT and DSW did not fail.%%Z%@%M %Z%c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s]ZFriction clip anchors, unit did not move significantly, flexible loop bus connection to CT&K &Z&?Interrupter head support column near disconnect switch failed. Upper part of column failed. Adjacent CT and DSW did not fail.&&Z&@&XJ &Z&c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s]ZFriction clip anchors, unit did not move significantly, flexible loop bus connection to CT'xG 'Z'?Interrupter head support column near disconnect switch failed. Upper part of column failed. Entire column near CT failed. Adjacent CT and DSW did not fail.''Z'@'F 'Z'c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sOLFriction clip anchors, unit tipped over, flexible loop bus connection to CT.(C (Z(?All interrupter head support columns failed. Entire column near CT failed. Adjacent CT did not fail. Adjacent DSW did fail. Support structure moved about 6" from under friction clips.((Z(@(B (Z(c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s^[Friction clip anchors, unit did not move significantly, flexible loop bus connection to CT.)? )Z)?Interrupter head support column near disconnect switch failed. The entire column failed. Adjacent CT and DSW did not fail. No significant displacement of support structure.))Z)@))Z)c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s^[Friction clip anchors, unit did not move significantly, flexible loop bus connection to CT.**Z*?liAll interrupter head support columns failed. The entire column failed. Adjacent CT and DSW did not fail.**Z*@*쭫*Z*c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s^[Friction clip anchors, unit did not move significantly, flexible loop bus connection to CT.++Z+?++Z+@++Z+c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s,,Z,?,,Z,@,,Z,c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s--Z-?--Z-@--Z-c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s..Z.?..Z.@..Z.c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s//Z/?//Z/@/ !/Z/c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s00Z0?00Z0@0"0Z0c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s11Z1?11Z1@1 $1Z1c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s22Z2?22Z2@2Px2Z2c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s/,Units had flexible loops connecting CT to CB3p;3Z3?:7Some of the couplings between CT and CB may have broken333Z3@A>required removal of contaminated ground below each leaking CT.3e3Z3c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s}Units are mounted on Tit-tat-toe chair are are relatively flexible to rotation. Units had flexible loops connecting CT to CB48>4Z4?^[Oil leaks between bushing and tank. Some of the couplings between CT and CB may have broken4424Z4@A>required removal of contaminated ground below each leaking CT.4(4Z4c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s55Z5?Failure of outside double post and top of inner double post. Probably due to failure of adjacent CB but taken as independent failure.55Z5@58*5Z5c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s66Z6?66Z6@6hd6Z6c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s1.Bus support structure, pin and cap insulators.77Z7?77Z7@7b7Z7c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s@8Z8&8-8Z8'Disconnect Switch DS8,8Z8;DS288Z8(88Z8)88Z8+88Z8,8 8Z8-8 8 Z8.8 8 Z8/8 h-8 Z80Vertical Swing8 8 Z8188 Z828l@8Z8388Z8488Z8588Z8688Z8888Z8988Z8:88Z8=8-8Z8>41Ground support structure, pin and cap insulators.88Z8?88Z8@8V8Z8c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s1.Bus support structure, pin and cap insulators.99Z9?99Z9@9lT9Z9c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s30Ground support structure, pin and cap insulators::Z:?::Z:@:C:Z:c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s*'Mounted on 500/230 kV McGraw Edison TR.;;Z;?;;Z;@; B;Z;c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s*'mounted on 500/230 kV Westinghouse TRs.<<Z<?<<Z<@<@<Z<c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sROAssociated with 230/115 kV Pennsylvania TRs (Bank 1 &2). Mounted on long boom.==Z=?==Z=@=>=Z=c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s5="Z>SS#24>5>Z>$ Undamaged>?>Z>&>7>Z>'Lightning Arrester LA>6>Z>;LA1>>Z>(>>Z>)>6>Z>+ TR Body Mount>>Z>,> >Z>-> > Z>.> > Z>/> > Z>0> > Z>1>> Z>2>l@>Z>3>>Z>4>>Z>5>>Z>6>>Z>8>>Z>9>>Z>:>>Z>=>46>Z>>c`mounted on 500/230 kV General Electric TRs. One of these may have been damaged (see record 292)>`8>Z>?&#One of these may have been damaged?>>Z>@>t=>Z>c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s>><>L7>Z>No>>Z>7>b@>Z>B> a@>Z>C> >Z>D>!> Z>A>">!Z>E?p7>"Z?SS#24?`7?Z?$ Damaged???Z?&?48?Z?'Lightning Arrester LA?7?Z?;LA1??Z?(??Z?)?8?Z?+ Free Standing??Z?,? ?Z?-? ? Z?.? ? Z?/? ? Z?0? ? Z?1?? Z?2?l@?Z?3??Z?4??Z?5??Z?6?7?Z?8 Westinghouse??Z?9??Z?:??Z?=?7?Z?>"Associated with W 500/230 kV TR?;?Z??Porcelain failure, but unit fell to ground indicating bus connection failure. TR record 67. Not sure if this was 500 or 230 kV LA that failed.??Z?@?:?Z?c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s<9Associated with GE 500/230 kV TRs ( at west end of site).@? @Z@?A>Unit at east end of row may have been damaged - See record 292@@Z@@@<> @Z@c`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s @"ZASS#24A> AZA$ UndamagedA?AZA&A= AZA'Lightning Arrester LAA= AZA;LA5AAZA(AAZA)A= AZA+ Free StandingAAZA,A AZA-A A ZA.A A ZA/A A ZA0A A ZA1AA ZA2A@@AZA3AAZA4AAZA5AAZA6AAZA8AAZA9AAZA:A< AZA=Note that the LA with the GE were composed of 4 identical sections while these had large and medium sections and a short support section.A8< AZA>A>Associated with W 500/230 kV TRs and ME TR (east end of site).A; AZA?A>Unit at east end of row may have been damaged - See record 292AAZA@A: AZAc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sBBZB?BBZB@B9 BZBc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s!230 LA on boom, 115 LA on rad.CCZC?CCZC@C7 CZCc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sCZCNoCCZC7Cpr@CZCBC a@CZCCC CZCDC!C ZCAC"C!ZCED|7 C"ZDSS#24Dh7 DZD$ UndamagedD?DZD&DH7 DZD'Transformer TRD@7 DZD;TR3DDZD(D7 DZD)Large Rad/O ManifDDZD+DDZD,D DZD-D D ZD.D D ZD/D D ZD0D D ZD1D7 D ZD2spareD@@DZD3Dl@DZD4D7 DZD5 374 MVAD6 DZD6-*1425 (High V bushing), 750 (Low V bushing)D6 DZD8 WestinghouseD\6 DZD9OA, FA, FO, Core type. D@DZD:D\4 DZD=Large radiators with each element supported from a TR tank. Rad. on sides and end. End rad has 9 sections and side has 5 with length 92". There are diagonal braces from top of TR to outside bottom of rad and is 1" rod - 5 on side rad and 3 on end. TherD(3 DZD>4 th from east end - use as spare. 230 LA on boom. 500 LA on independent latus structure. Units 1, 2 and 4 from east end of site. Welded to embedmentDDZD?D2 DZD@>;put into service when McGraw Edison units has bushing leak.D1 DZDc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s&#230 LA on rad., Welded to embedmentE, EZE?The 500 kV bushing shifted about 1/4" and had an oil leak at the steel/porcelain interface. Bushing was bottom attachment type rather than draw out type. Were was leak, at bushing-flange or flange -tank?E , EZE@NKThe replacement bushing is 153" from flange to top and 76" from flang down.EH+ EZEc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sxu230 LA on boom. 500 LA on independent latus structure. Units 1, 2 and 4 from east end of site., Welded to embedmentF% FZF?Minor oil leaks on B phase. note that A phase (east unit) lost LA, original slides indicated minor leaks at radiators (see record 292) OperationalFFZF@F$% FZFc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s30West end of TR row. 230 kV LA installed on rad.G GZG?Severe oil leaks at the upper flange connection of manifold to tank. Flanges were deformed and peening was required to stop leaking. Repairs were made without the need to removed radiators or manifold.G RGZG@WTUnits were out for several days? Extensive excavation to removal contaminated soil.GSGZGc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/smounted on support with CVTHHZH?HHZH@H\QHZHc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/smounted on support with CVTIIZI?IIZI@IOIZIc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/smounted on support with CVTJJZJ?JJZJ@JKKZK?KKZK@KNKZKwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/s"Welded anchorage into embedmentLLZL?LLZL@LMLZLwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/s"Welded anchorage into embedmentMMZM?MMZM@M MZMwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/sMJThese were located on a new site adjacent to and north of the 230 kV site.NNZN?NNZN@N NZNwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/s0-Mounted on 2 legged lattice structure with WTO OZO? Porcelain failed at its base.OOZO@O OZOwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/s74number of power mounted and structure/wt not known.P  PZP?ROTotal number at site not known.(it is known that there were a minimum of three)PPZP@P4 PZPwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/smounted on tall framesQ QZQ?Bus connections to switches were misaligned. Impact on operation is not clear but EPRI report indicates that they would not operate properly.QQZQ@Q QZQwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/sBus supported.R RZR?Bus connections to switches were misaligned. Impact on operation is not clear but I seem to call that they would not operate properly.RRZR@R RZRwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/sC@The LA was mounted on a long extension arm off of TR bank 4 & 4AS SZS?LA fractured at its base. It was supported by bus flexible bus and was connected to an adjacent bushing. The bushing had chipped sheds were the LA hit it. Bushing continued to operate.SSZS@S`SZSwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/s>;The LA was mounted on a long extension arm off of TR bank 5T$_TZT?LA fractured at its base. It was supported by bus flexible bus and was connected to an adjacent bushing. The bushing had chipped sheds were the LA hit it. Bushing continued to operate.TTZT@T]TZTwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/sC@The LA was mounted on a long extension arm off of TR bank 4 & 4AU\UZU?LA fractured at its base. It was supported by bus flexible bus and was connected to an adjacent bushing. The bushing had chipped sheds were the LA hit it. Bushing continued to operate.UUZU@UZUZUwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/sV VZV? Core damageVVZV@V0 VZVwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/sthis was spare.WWZW?WWZW@W WZWwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/sStation power components were mounted on "pipe" framed structure. This may have contributed to bushing and LA damage. There was not much slack between porcelain and support structure.XL XZX?63Damage to tertiary 12 kV bushings to station power,X XZX@After replacement there was still problems. Lightning Arrester had to be removed. It is not clear if this impacted station operations or operation of TRs.X$ XZXwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/s< YZY?1.Damaged LA swung and chip shed on bushng or LAY YZY@After replacement there was still problems. Lightning Arrester had to be removed. It is not clear if this impacted station operations or operation of TRs.Y YZYwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/sMounted on support with CCVTZ ZZZ??<It is unknown how many there are. There are at least three.ZZZZ@Z ZZZwt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/s}Transfer busses were support at top of bus support structure. Transfer busses were supported by pin and cap post insulators.[ [Z[?On each of two structures, post insulators failed. In one case it dropped the bus across flexible bus connected to the bus support structure. In one case a bell on a bus string was damaged and was replaced.[[Z[@[4[Z[wt(UBC S1) < 20 ft alluvium overlying sedimentary rock, (NEHRP C - very dense soil and soft rock 360 m/s\\Z\?\\Z\@\$\Z\(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s]m]Z]?>;Sheds on bushing chipped due to failure of switch above CB.]]Z]@]t]Z](UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s]ZUnits anchored with unwelded, single bolt friction clips. Rigid link between CB and CT. l^hl^Z^?,)Failure of one support column next to CT.^^Z^@^(s^Z^(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s[XUnits anchored with unwelded, single bolt friction clips. Rigid link between CB and CT._j_Z_?,)Failure of one support column next to DS.__Z_@_q_Z_(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sUnits anchored with unwelded, single bolt friction clips. Nine of the 12 units had flexible links between CB and CT, three had rigid links (522).`tn`Z`?One phase toppled from slab, others moved, did not move or did not move significantly. Details of damage to specific units were difficult to determine from pictures.``Z`@`l`Z`(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sroUnits anchored with about a foot of weld (only one side could be seen in picture) to a cast in place embedment.aaZa?aaZa@aaZa(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sbbZb?bbZb@bbZb(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s'$These were adjacent to dead-tank CB.ccZc?ccZc@cLcZc(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sMounted on lattice structure with WT. Two may not have had WTs. Units after they were repaired or replaced: 5 GE with 3 porcelain segments and 1 (WE?) with 4 porcelain segments.ddZd?ddZd@dtdZd(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sheUnits had flexible connects to CB. Units held with friction clips. Support structure very flexible.eeZe?eeZe@eHeZe(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sfcUnits had rigid connects to CB. Units held with friction clips. Support structure very flexible.ffZf?Porcelain failed near top.ffZf@ffZf(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sifUnits had flexible connects to CB. Units held with friction clips. Support structure very flexible.ggZg?Ceramic failed near top in most cases. In one case it failed about middle. One unit toppled from pad. Some failures may be due to secondary damage when CB failed. Bus connections to CB on several units fail at CB side, presumably after porcelain faiggZg@gޫgZg(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/shdwhZh? damage unkownhhZh@hݫhZh(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/siyiZi?^[Just the post insulator on the contact side failed. It was connected to the bus that fell.iiZi@i۫iZi(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sjp~jZj?daunit adjacent to the dead tank CB had the blade misaligned. It is not know if it was functional.jjZj@jګjZj(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sk|kZk?daThe insulator on the contact side had bolts fail at base of post. Inadequate thread penetration.kkZk@k|ثkZk(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sl(իlZl?vsOne or both of the post insulators on the hinge side failed and the post insulator in the contact side also failed.llZl@lӫlZl(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/smHҫmZm?wtOne or both of the post insulators on the hinge side failed and the post insulator in the contact side did not fail.mmZm@mЫmZm(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sn8ϫnZn?wtOne or both of the post insulators on the hinge side failed and the post insulator in the contact side did not fail.nnZn@nͫnZn(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sooZo?ooZo@o˫oZo(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sBus supported.ppZp?ppZp@ppʫpZp(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sBus supported.qqZq?qqZq@qɫqZq(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s(%Bus supported, bus sectioning switch.rТrZr?fcIt appears these DS were pulled apart by the out of phase dynamic response of adjacent bus sectionsrrZr@rrZr(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s)&Bus supported , bus sectioning switch.ssZs?ssZs@ssZs(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sBus supported.ttZt?ttZt@t읫tZt(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sBus supported.uuZu?uuZu@uDuZu(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s"Supported on its own structure.v vZv?)&Not sure if any of these were damaged.vvZv@vvZv(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s0-Mounted on radiator of 500/230 kV TR, Bank 9.wwZw?wwZw@w4wZw(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s<9Mounted on 230/115 kV Bank 8. It is mounted on radiator.xxZx?xxZx@xxZx(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sA>Lattice-type post support. Adjacent to 500/230 kV TR, Bank 9.yyZy?yyZy@yyZy(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/szzZz?zzZz@z`zZz(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s{{Z{?{{Z{@{{Z{(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s# anchored by welding to embedment||Z|?Minor oil leaks.||Z|@JGNo impact on service. They may have been repaired by tightening bolts.||Z|(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s# anchored by welding to embedment}}Z}?Minor oil leaks.}h}Z}@JGNo impact on service. They may have been repaired by tightening bolts.}`}Z}(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s# anchored by welding to embedment~~Z~?Minor oil leaks.~X~Z~@JGNo impact on service. They may have been repaired by tightening bolts.~d~Z~(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sa^anchored by welding to embedment but angles are bolted to TR with what looks like small bolts.0Z?A>original pictures indicate that one had small oil leak at rad.Z@JGNo impact on service. They may have been repaired by tightening bolts.Z(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@Z(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s Mounted on structure with CVTZ?Z@Z(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s Mounted on structure with CVTZ?Z@Z(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s(%Mounted on lattice structure with CVTZ?porcelain supports failedZ@|Z(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/s(%Mounted on lattice structure with CVTZ?Z@(Z(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?All post insulators supporting B phase bus failed, dropping the bus. Connector between top of post insulator and bus may have been weak spot. Some units failed at connection and some had porcelain failure. This was bus B phase on west side of site.Z@DǫZ(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sūZ?spOne insulator supporting one bus C on east side of site failed, the bus dropped but did not fall or malfunction.Z@4īZ(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@Z(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@@Z(UBC S2) >2000 ft alluvium with some <20 ft soft clay layers overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@Z(UBC S3) >500 ft alluvium/estuarine with some >20 ft bay mud layers overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@Z(UBC S3) >500 ft alluvium/estuarine with some >20 ft bay mud layers overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@Z(UBC S3) >500 ft alluvium/estuarine with some >20 ft bay mud layers overlying metavolcanic rock, (NEHRP D - stiff soil 180m/s|Z?Support column gasket leaks.Z@dZ(UBC S3) >500 ft alluvium/estuarine with some >20 ft bay mud layers overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@乫Z(UBC S3) >500 ft alluvium/estuarine with some >20 ft bay mud layers overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@TZ(UBC S3) >500 ft alluvium/estuarine with some >20 ft bay mud layers overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@̶Z(UBC S3) >500 ft alluvium/estuarine with some >20 ft bay mud layers overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@DZ(UBC S3) >500 ft alluvium/estuarine with some >20 ft bay mud layers overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sebUnits were well anchored with cast-in-place bolts at each of 4 corners of the two support columns.Z?IFAir supply looked good. Lowest porcelain on CT support column failed.Z@Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<dZNoZ7ZB Z@ZC ZD! ZA"!ZE"ZSS#39Z$ Undamaged@Z&Z'Circuit Breaker CBZ;CB14Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8General ElectricZ9ATB7Z:Z=Lattice type support structures were relatively tall, about 6', and appeared to be flexible in the longitudinal direction. Column natural frequencies of these CB are very low, about 1 or 2 Hz.TZ>ebUnits were well anchored with cast-in-place bolts at each of 4 corners of the two support columns.Z?Z@XZ|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<췫ZNoZ7ZB Z@ZC ZD! ZA"!ZEL"ZSS#39Z$ Damaged@Z&Z'Circuit Breaker CB@Z;CB14@Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8General ElectricZ9ATB7, ATB-242-43000-7Z:lZ=Lattice type support structures were relatively tall, about 6', and appeared to be flexible in the longitudinal direction. Column natural frequencies of these CB are very low, about 1 or 2 Hz.Z>ebUnits were well anchored with cast-in-place bolts at each of 4 corners of the two support columns.Z?This equipment was only viewed after it was in bone yard, so specific equipment could not be associated with specific dispatch positions, and parts could not always be associated with a single phase. It is assumed that at least one support column usuallZ@Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<tZNoZ7ZB Z@ZC ZD! ZA"!ZE"ZSS#39Z$ Undamaged8@Z&Z'Circuit Breaker CB|Z;CB20AȹZ( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1, Z2)&212, 222, 252, 262, 342, 372, 712, 722l@Z3Z4Z5Z6Z8 WestinghouseܹZ9OilZ:Z=Lattice type support structures were relatively tall, about 6', and appeared to be flexible in the longitudinal direction. Column natural frequencies of these CB are very low, about 1 or 2 Hz.ľZ>ebUnits were well anchored with cast-in-place bolts at each of 4 corners of the two support columns.ļZ?This equipment was only viewed after it was in bone yard, so specific equipment could not be associated with specific dispatch positions, and parts could not always be associated with a single phase. It is assumed that at least one support column usuallZ@ȻZ|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<ZNoZ7ZB Z@ZC ZD! ZA"!ZE"ZSS#39Z$ Damaged@Z& Z'Circuit Breaker CBZ;CB9PZ( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8General ElectrichZ9ATB 4 230-15000-4Z:Z=Z>Z?41Do not have any details on damage of these units.Z@Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<ZNoZ7ZB Z@ZC ZD! ZA"!ZE"ZSS#39Z$ Damaged@Z&ĹZ'Coupling Voltage Trans. CVTZ;CC1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=LZ>:7mounted on lattice structure that supported WT and CVT.Z?0-CVT porcelain column broke at base of column.Z@Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z< ZNoZ7ZB Z@ZC ZD! ZA"!ZE"ZSS#39ԷZ$ Undamaged?Z&Z'Coupling Voltage Trans. CVTZ;CC1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:hZ=may be more than oneZ>FCMounted on lattice structure with WT. There was at least one other.xZ?63how many were undamaged, and what was installation.Z@|Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<ZNoZ7ZB Z@ZC ZD! ZA"!ZEp"ZSS#39Z$ Damaged@Z&DZ'Disconnect Switch DS<Z;DS3Z(Z)Z+Z, Z-  Z.  Z/  Z0Horizontal Swing  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=-*The insulators were cap&pin type (Victor)hZ>These units were supported high on the bus support structure, they were probably CB disconnect switches. They were mounted with the porcelain in the horizontal position.Z?.+There were two failures of post insulators.Z@Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<ZNoZ7ZB Z@ZC ZD! ZA"!ZE"ZSS#390Z$ Damaged@Z&ܱZ'Disconnect Switch DSԱZ;DS3Z(Z)Z+Z, Z-  Z.  Z/  Z0Horizontal Swing  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?There were one to three type of failures. In one, a weld that connects the base of the plate that is bolted to the bottom flange of the post insulator failed so that no torque could be applied to the column to change the position of the switch. There wZ@Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<«ZNoZ7ZB Z@ZC ZD! ZA"!ZE"ZSS#39Z$ Undamaged?Z&hZ'Disconnect Switch DS`Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ < Z0Horizontal Swing  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=DAHow many undamaged switches were there and how were they mounted?Z>Z?Z@Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<,īZNoZ7ZB Z@ZC ZD! ZA"!ZE"ZSS#39Z$ Undamaged?Z&pZ'Disconnect Switch DShZ;DS3Z(Z)Z+Z, Z-  Z.  Z/ D Z0Horizontal Swing  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=$!The insulators were cap&pin type.Z>These units were supported high on the bus support structure, they were probably CB disconnect switches. They were mounted with the porcelain in the horizontal position.Z?Z@Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<ūZNoZ7ZB Z@ZC ZD! ZA"!ZE"ZSS#39Z$ Undamaged@Z&`Z'Lightning Arrester LAXZ;LA1Z(Z)<Z+ TR Body MountZ, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=ШZ>85Mounted on body of 230/115 kV McGraw Edison TR Bank 7Z?Z@ԧZ|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<<ǫZNoZ7ZB Z@ZC ZD! ZA"!ZEȧ"ZSS#39Z$ Undamaged@Z&Z'Lightning Arrester LAZ;LA1Z(Z)hZ+ TR MountedZ, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>ebMounted on General Electric TR Banks 5 & 6. It is not clear how they are mounted - body or boom.Z?Z@Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<ȫZNoZ7ZB Z@ZC ZD! ZA"!ZE"ZSS#39ȫZ$ Damaged@Z&xZ'Transformer TRɫZ;TRZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2\@Z3N@Z4Z5Z6Z8Z9Z:Z=Z>Seven TRs mounted on large elevated pads. Three mounted with bolts that were grouted in along sides of pad through large angle came lose. This was an old installation. The grout had the consistency of very weak plaster of Paris.Z?`Z@# The was no impact of operations.dZ|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<LʫZNoZ7ZB Z@ZC ZD! ZA"!ZEX"ZSS#39`ʫZ$ Damaged@Z&8Z'Transformer TR0Z;TR1Z(Z)Large Rad/ManifZ+Z, Z-  Z.  Z/  Z0  Z1 Z2 Bank 7l@Z3\@Z4Z5Z6Z8 McGraw EdisonZ9Z:Z=%"photo page 3-74 of EPRI NP-7500-SLZ>Z?Replace seals at upper connection to stop leaking. Not sure how many leaks. I think there were 4 TRs. On return visit I thought that deformation of lower support was recorded but I could not find it in my slides.|Z@96Excavate to remove soil that had absorbed spilled oil.Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<˫ZNoZ7ZB Z@ZC ZD! ZA"!ZED'luO}zyyj@]################################t"ZSS#39`Z$ Undamaged@Z&@Z'Transformer TR8Z;TR1Z(Z)Med Rad/O ManifZ+Z, Z-  Z.  Z/  Z0  Z1 Z2 Bank 5 & 6l@Z3\@Z4Z5Z6ܝZ8General ElectricZ9Z:Z=Z>Z?Z@Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<\ͫZNoZ7ZB Z@ZC ZD! ZA"!ZEԜ"ZSS#39pͫZ$ Damaged@Z&Z' MiscellaneousZ;Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2\@Z3Z4Z5Z6Z8Z9Z:Z=Section of rigid bus that passes over bus support structure and forms connection between flexible bus and CB had its end casting fail.Z>?<Z@74The fallen bus fell on flexible bus of three phases.@Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<ΫZNoZ7ZB Z@ZC ZD! ZA"!ZE4"ZSS#39ΫZ$ Damaged@Z&Z' Bus Support0ϫZ;BSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:`Z=`]Hook connection between strain bus and bus support structure became unhooked and dropped bus.Z>Z?Z@dZ|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<lЫZNoZ7ZB Z@ZC ZD! ZA"!ZEX"ZSS#39ЫZ$ Damaged@Z&@Z' Bus SupportЫZ;BSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:$Z= Transfer bus.Z>8Z?wtPost insulators supporting a section of transfer bus failed, allowing the bus to fall in one case or drop in another̖Z@74The fallen bus fell on flexible bus of three phases.ЕZ|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<ѫZNoZ7ZB Z@ZC ZD! ZA"!ZEĕ"ZSS#39Z$ UndamagedZ&Z' Bus Support@ҫZ;BSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:|Z= Transfer BusZ>Z?Z@Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<|ӫZNoZ7ZB Z@ZC ZD! ZA"!ZEt"ZSS#39ӫZ$ Damaged?Z&XZ' MiscellaneousӫZ;BSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:ȒZ=Section of rigid bus that that connects to flexible bus to by-pass CB on top of support structure had its end casting fail, allowing rigid bus to swing and come in contact with bus support structure.Z>Z?\Z@74The fallen bus fell on flexible bus of three phases.`Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<իZNoZ7ZB Z@ZC ZD! ZA"!ZET"ZSS#39իZ$ Damaged?Z&(Z'Synchronous CondensorZ;Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Synchronous Condenser. When I visited the site, it looked like one of the units was being worked on. There was a portable nitrogen supply connected to the units. There may have been a gas leak.Z>Z?Z@֫Z|(UBC S2) <20 ft bay mud overlying >200 ft alluvium/estuarine overlying metavolcanic rock, (NEHRP E - soft clay Vs<=180 m/s)Z<֫ZNoZ7T@ZB Z@ZC ZD! ZA"!ZE"ZSS#20֫Z$ Damaged?Z&hZ'Circuit Switcher CS֫Z;CSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1@]@ Z2\@Z3Z4Z5Z6\Z8S & CZ9Z:,Z=Circuit switcher 115 kVZ>Z? Blew up.Z@CB 112 relayed on fault pressure. There was not test made. Bank was inspected, looked OK and CB closed @ 1410. At 1425 117 blew up and CB 112 isolated station. Cleared 117 and picked up one bank.ZZ<ZZ7ZB Z@ZC ZD! ZA"!ZE|"ZSS#21(ثZ$ Damaged?Z&8ثZ'Circuit Breaker CBpZ;CB15AhثZ( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1@ Z2@@Z3Z4@@Z5Z6PZ8Allis Chalmers4Z9 ABM SN 11714@Z:Z=Z>Z?>;Aluminum casting that supports the interrupter head failed.XZ@41Out of service for 4 days - no effect on service.Zeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@Zeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@Zeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@Zeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/s~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.Z?Interrupter head support column adjacent to CT failed - lowest ceramic member cracked. 4 damaged guys. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units,Z@؂Zeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/s~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.PZ?2 damaged guys. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may be differences in frequency.Z@Zeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/s~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.Z?Z@|Zeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/s~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.,yZ?Cracked interrupter head support column adjacent to CT. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may beZ@dxZeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/s~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.Z?Z@uZeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/s~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.Z?Z@dsZeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/s~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.oZ?1 damaged guy. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may be differences in frequency.XZ@,)6 hrs to repair guy at a convenient time.dZeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/s~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.mZ?3 damaged guys. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may be differences in frequency.Z@4mZeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/s~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.iZ?2 damaged guys. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may be differences in frequency.Z@hZeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sRigid connection between CB and CT, CT support is more rigid than x2x units. Both welded and friction clip anchorage. Installed in 1968.,eZ?1 damaged guy - next to CT. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may be differences in frequency.Z@ddZeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sRigid connection between CB and CT, CT support is more rigid than x2x units. Both welded and friction clip anchorage. Installed in 1968.`Z?It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may be differences in frequency.Z@_Zeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@dZeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@Zeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@pZeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@Zeb(UBC S1) < 200 ft alluvium overlying metavolcanic rock, (NEHRP D - stiff soil 180m/sZ?Z@lZc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@Zc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sAnchor bolts securing friction clips on 6 legs stretched or pulled out slightly. Adjacent current transformers had tit-tat-toe chair support that was flexible and there were signs of distress in cracked paint but no permanent deformations. Rigid connecZ?Interrupter head near CT failed explosively and with internal part of interrupter severely burned. There was not significant shifting of CB on its pad. There may have been vertical impact due to stretch or pullout of anchor bolts. Motion of CT may havZ@/,9 days to restore, did not cause disruption. Zc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sAnchor bolts securing friction clips on 6 legs stretched or pulled out slightly. Adjacent current transformers had tit-tat-toe chair support that was flexible and there were signs of distress in cracked paint but no permanent deformations. Rigid connecZ?Z@| Zc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@xZc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@Zc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@Zc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s?<Zc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@Zc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@Zc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@Zc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@4_Zc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s/,Don't know how many but there are at least 6Z?Z@]Zc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s-*Mounted on boom on 230/115 Pennsylvania TR\[Z?63The short lower porcelain member of LA that failed.ZZ@416 hours to repair, no effect on operation at site4ZZc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s-*Mounted on boom on 230/115 Pennsylvania TRZ?Z@WZc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@XVZc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s Associated with 500/230 kV TRZ?Z@TZc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s!230 LA on boom, 115 LA on rad.Z?Z@RZc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@,QZc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s230 LA on rad.Z?Z@Zc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/s30West end of TR row. 230 kV LA installed on rad.Z?Z@LMZc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/seb230 LA on boom. 500 LA on independent lattice structure. Units 1, 2 and 4 from east end of site.Z?Z@ IZc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@GZc`(UBC S1) < 30 ft alluvium overlying sedimentary rock, (NEHRP D - stiff soil 180m/sZ?Z@$GZ/,Quaternary formation - alluvial fan depositsZ<GZYesZ7ZB n@ZC ZD! ZA"!ZE"ZSS#7GZ$ Undamaged8@Z&$Z'Circuit Breaker CBFZ;CB20ATZ( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:FZ=*'vertical tank type oil circuit breakersZ>Z?Z@PFZ/,Quaternary formation - alluvial fan depositsZ<HFZYesZ7ZB n@ZC ZD! ZA"!ZE"ZSS#7Z$ Damaged@Z&Z'Circuit Breaker CB@FZ;CB5Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 F Z2CB 912 - Palo Verde Line@@Z3Z4Z5Z6EZ8 CogenelEZ9 air blastZ:\EZ=HEflexible conductors, dynamic analysis 0.5 g PGA design specificationCZ>mounted on steel A-frame w/ horizontal pressure vessel, breaker head mounted on 30 ft high columns (diagonally braced) consisted of 3 large spherical mufflers, 4 tripping resistors, 2 capacitors, 2 extinguishing chambersBZ?TQcompletely destroyed, diagonal and vertical insulators failed, breaker heads fellZ@BZ/,Quaternary formation - alluvial fan depositsZ<BZYesZ7ZB n@ZC ZD! ZA"!ZE"ZSS#7$Z$ Damaged@Z&4Z'Circuit Breaker CBBZ;CB5dZ( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1\B Z2CB 712 - Palo Verde Line@@Z3Z4Z5Z6LBZ8 Cogenel8BZ9 air blastZ:AZ=HEflexible conductors, dynamic analysis 0.5 g PGA design specification?Z>mounted on steel A-frame w/ horizontal pressure vessel, breaker head mounted on 30 ft high columns (diagonally braced) consisted of 3 large spherical mufflers, 4 tripping resistors, 2 capacitors, 2 extinguishing chambersZ?TQcompletely destroyed, diagonal and vertical insulators failed, breaker heads fellZ@(Z/,Quaternary formation - alluvial fan depositsZ<ZYesZ7ZB n@ZC ZD! ZA"!ZE"ZSS#7!Z$ Undamaged@Z&Z'Circuit Breaker CB Z;CB73Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1! Z2 CB 922@@Z3Z4Z5Z6L!Z8 Westinghouse Z9 pufferZ:Z=HEflexible conductors, dynamic analysis 0.5 g PGA design specificationZ>=:no horizontal pressure vessel, no mufflers in breaker headZ?Z@ Z/,Quaternary formation - alluvial fan depositsZ<l ZYesZ7ZB n@ZC ZD! ZA"!ZE( "ZSS#74 Z$ Damaged@Z&D Z'Circuit Breaker CBt Z;CB9Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1  Z2 CB4032k@Z3Z4Z5Z6 Z8GE Z9 ATB4-6 SF6Z:Z= Z>supported on steel frameH'Z?B?2 column insulators broken , tank damage and corona ring brokenp!Z@ replacedx"Z/,Quaternary formation - alluvial fan depositsZ<!ZYesZ7ZB n@ZC ZD! ZA"!ZE!"ZSS#7!Z$ Damaged@Z&!Z'Circuit Breaker CB!Z;CB9Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1h" Z2 CB4102k@Z3Z4Z5Z6"Z8GEL"Z9 ATB4-6 SF6Z:Z="Z>supported on steel frame"Z? 2 column insulators shatteredZ@$Z/,Quaternary formation - alluvial fan depositsZ<D#ZYesZ7ZB n@ZC ZD! ZA"!ZE8#"ZSS#7T#Z$ Undamaged@Z&#Z'Coupling Voltage Trans. CVT#Z;CC5Z(Z)Z+Z, #Z- Post Mounted  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6#Z8Trench Electric & GEZ9Z:Z=Z>Z?Z@%Z/,Quaternary formation - alluvial fan depositsZ<$ZYesZ7ZB @ZC ZD! ZA"!ZE$"ZSS#7$Z$ Damaged@Z&h%Z'Coupling Voltage Trans. CVT %Z;CC5Z(Z)Z+Z, L%Z- Post Mounted  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6 %Z8Trench Electric & GEZ9Z:Z=Z>Z?Z@&Z/,Quaternary formation - alluvial fan depositsZ<T&ZYesZ7ZB n@ZC ZD! ZA"!ZEH&"ZSS#7d&Z$ Undamaged?Z&&Z'Current Trans. CT&Z;CT5Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1& Z2 CB 922@@Z3Z4Z5Z6&Z8 AlsthomZ9Z:Z=Z>Z?Z@t(Z/,Quaternary formation - alluvial fan depositsZ<'ZYesZ7ZB @ZC ZD! ZA"!ZE'"ZSS#7'Z$ Damaged@Z&P(Z'Current Trans. CT(Z;CT5Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1@( Z2 CB 922@@Z3Z4Z5Z60(Z8 AlsthomZ9Z:Z=Z>̃Z?spB & C broken , failure occurred just below steel fitting at mid-height, broken conductor on circuit breaker sideZ@)Z/,Quaternary formation - alluvial fan depositsZ<t)ZYesZ7ZB n@ZC ZD! ZA"!ZEX)"ZSS#7d)Z$ Damaged@Z&)Z'Current Trans. CT)Z;CT5Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1) Z2 CB 912@@Z3Z4Z5Z6)Z8 AlsthomZ9Z:Z=Z>(Z?A in half, B&C broken at flange, failure occurred just below steel fitting at mid-height, broken conductor on circuit breaker sideZ@+Z/,Quaternary formation - alluvial fan depositsZ<*ZYesZ7ZB n@ZC ZD! ZA"!ZE*"ZSS#7*Z$ Damaged@Z&`+Z'Current Trans. CT,+Z;CT5Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1P+ Z2 CB 712@@Z3Z4Z5Z6@+Z8 AlsthomZ9Z:Z=Z>h|Z?dafailure occurred just below steel fitting at mid-height, broken conductor on circuit breaker sideZ@@-Z/,Quaternary formation - alluvial fan depositsZ<,ZYesZ7ZB n@ZC ZD! ZA"!ZEh,"ZSS#7t,Z$ Damaged"@Z&-Z'Disconnect Switch DS,Z;DS1Z(Z)Z+Z, Z-  Z.  Z/ , Z0Vertical Swing  Z1 Z2@@Z3Z4Z5Z6,Z8Porter & Brown BoveriZ9Z:Z=Z>(xZ?fcBrown Boveri failed on jaw side at base of insulators, Porter failed on hinge side in the porcelainZ@.Z/,Quaternary formation - alluvial fan depositsZ<-ZYesZ7ZB n@ZC ZD! ZA"!ZED3l[CEEE(@sgd^A/>h64~################################-"ZSS#7.Z$ Undamaged .Z&3?.Z'Disconnect Switch DS<.Z;DS1Z(Z)Z+Z, Z-  Z.  Z/ . Z0Vertical Swing  Z1 Z2@@Z3Z4Z5Z6d.Z8 Siemens-AllisX.Z9AVB4Z:Z=Z>Z?Z@sZ/,Quaternary formation - alluvial fan depositsZ</ZYesP0Z7302500 lb on hinge support, 3500 lb on jaw supportZB n@ZC ZD! ZA"!ZEx/"ZSS#7/Z$ Undamaged.@Z&$0Z'Disconnect Switch DS/Z;DS1Z(Z)Z+Z, Z-  Z.  Z/ 0 Z0Vertical Swing  Z1 Z2@@Z3Z4Z5Z6/Z8Porter & Brown BoveriZ9Z:Z=Z>Z?Z@1Z/,Quaternary formation - alluvial fan depositsZ<1ZYesZ7ZB n@ZC ZD! ZA"!ZE1"ZSS#7 1Z$ Damaged?Z&1Z'Disconnect Switch DSL1Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ 1 Z0bank  Z11 Z2 CB 5032k@Z3Z4Z5Z6Z8Z9Z:Z=h1Z>Supported on steel framepZ?=:destroyed, A phase broke at mounting flange for insulatorsZ@l3Z/,Quaternary formation - alluvial fan depositsZ<2ZYesZ7ZB n@ZC ZD! ZA"!ZE2"ZSS#72Z$ Damaged?Z&@3Z'Disconnect Switch DS2Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ 43 Z0line  Z1$3 Z2 CB 5032k@Z3Z4Z5Z6Z8Z9Z:Z=2Z>Supported on steel frameBZ?41damaged, C phase out of adjustment would not openZ@4Z/,Quaternary formation - alluvial fan depositsZ<,4ZYesZ7ZB n@ZC ZD! ZA"!ZE4"ZSS#74Z$ Damaged?Z&4Z'Disconnect Switch DS\4Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ p4 Z0Bus  Z14 Z2 Hinds-CB 6022k@Z3Z4Z5Z6Z8Z9Z:Z=x4Z>Supported on steel frameqZ?^[A phase damaged, conductors from bus disconnects to bus stiffening insulators broke at baseZ@<Z/,Quaternary formation - alluvial fan depositsZ<5ZYesZ7ZB n@ZC ZD! ZA"!ZE5"ZSS#75Z$ Damaged@Z&D8Z'Disconnect Switch DS5Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ 6 Z0Vertical Swing  Z16 Z2'$position no. 3, Vista #1 T/L CB 6032k@Z3Z4Z5Z6|6Z8 Brown Boveri46Z9%"line side of CB 6032, single bladeZ:Z=6Z>Supported on steel frame9Z?85destroyed, broke at disconect flange all three phasesZ@7Z/,Quaternary formation - alluvial fan depositsZ<,7ZYesZ7ZB n@ZC ZD! ZA"!ZE 7"ZSS#7<7Z$ UndamagedU@Z&7Z'Disconnect Switch DSl7Z;DS3Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:Z=7Z>Supported on steel frameZ?Z@D9Z/,Quaternary formation - alluvial fan depositsZ<8ZYesZ7ZB n@ZC ZD! ZA"!ZE8"ZSS#78Z$ Damaged@Z&9Z'Lightning Arrester LA8Z;LAZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z19 Z2 1A Bank\@Z3Z4Z5Z6Z8Z9Z:Z=Z> ;Z?,)destroyed, all three phases broke at baseZ@:Z/,Quaternary formation - alluvial fan depositsZ<<:ZYesZ7ZB n@ZC ZD! ZA"!ZE0:"ZSS#7L:Z$ Undamaged@Z&:Z'Lightning Arrester LA|:Z;LA1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:Z=Z>?<Z/,Quaternary formation - alluvial fan depositsZ<;ZYesZ7ZB @ZC ZD! ZA"!ZE;"ZSS#7;Z$ Damaged@Z&T<Z'Lightning Arrester LA<Z;LA1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1D< Z2 4A Bankk@Z3Z4Z5Z6<Z8GE <Z9ALUGARD 9L11LBA1BZ:Z=Z>8>Z?'$destroyed, A & B phase broke at baseZ@=Z/,Quaternary formation - alluvial fan depositsZ<\=ZYesZ7ZB n@ZC ZD! ZA"!ZE@="ZSS#7L=Z$ Damaged@Z&=Z'Lightning Arrester LA=Z;LA1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1= Z2 3A Bankk@Z3Z4Z5Z6Z8Z9Z:Z=Z>?Z?'$destroyed, A & B phase broke at baseZ@d?Z/,Quaternary formation - alluvial fan depositsZ<>ZYesZ7ZB n@ZC ZD! ZA"!ZE>"ZSS#7>Z$ Damaged@Z&8?Z'Lightning Arrester LA?Z;LA1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1(? Z2 2A Bankk@Z3Z4Z5Z6Z8Z9Z:Z=Z>tAZ?,)destroyed, all three phases broke at baseZ@AZ/,Quaternary formation - alluvial fan depositsZ<\@ZYesZ7ZB n@ZC ZD! ZA"!ZEP@"ZSS#7l@Z$ Undamaged?Z&@Z'Lightning Arrester LA@Z;LA5Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6@Z8 Ohio Brass@Z9 MPR Series FZ:Z=Z>Z?Z@BZ/,Quaternary formation - alluvial fan depositsZ<AZYesZ7ZB @ZC ZD! ZA"!ZEA"ZSS#7AZ$ Damaged"@Z&tBZ'Lightning Arrester LA$BZ;LA5Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6\BZ8 Ohio Brass@BZ9 MPR Series FZ:Z=Z>Z?destroyed, all broken at base of porcelain, may have been caused by swinging of wave traps which they were attached to by conductors Z@LDZ/,Quaternary formation - alluvial fan depositsZ<|CZYesZ7ZB n@ZC ZD! ZA"!ZE`C"ZSS#7lCZ$ Damaged@Z&$DZ'Potential Trans. PTCZ;PT1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1C Z2"Position no. 10, so. 220 kV Busk@Z3Z4Z5Z6CZ8GECZ9 CD31023 SINGCZ:Z=Z>nZ?&#destroyed, broke at base of bushingZ@EZ/,Quaternary formation - alluvial fan depositsZ<EZYesZ7ZB n@ZC ZD! ZA"!ZED"ZSS#7DZ$ Damaged@Z&EZ'Potential Trans. PT4EZ;PT1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1lE Z2"Position no. 10, no. 220 kV Busk@Z3Z4Z5Z6HEZ8GEPEZ9 CD3123 SINGCZ:Z=Z>JZ?&#destroyed, broke at base of bushingZ@DGZ/,Quaternary formation - alluvial fan depositsZ<FZYesZ7ZB n@ZC ZD! ZA"!ZEpF"ZSS#7|FZ$ Damaged@Z&GZ'Potential Trans. PTFZ;PT5Z(Z)Z+Z, Z- G Z.Line  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6FZ8 GE Pot Dev CCFZ9 4CD52A505C6CZ:Z=Z>GZ? destroyedZ@HZ/,Quaternary formation - alluvial fan depositsZ<HZYesZ7ZB n@ZC ZD! ZA"!ZEG"ZSS#7HZ$ Damaged@Z&HZ'Potential Trans. PTDHZ;PT5Z(Z)Z+Z, Z- XH Z.Bus  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:`HZ=W. Pot. Dev Type FCAZ>@IZ? destroyedZ@@JZ/,Quaternary formation - alluvial fan depositsZ<IZYesZ7ZB n@ZC ZD! ZA"!ZEI"ZSS#7IZ$ Undamaged@Z& JZ'Transformer TRIZ;TR2Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1J Z21A, 2A, 3A, 4Ai@Z3\@Z4Z5Z6Z8IZ9 three phaseZ:Z=Z>Z?leaking oil around seals on bushings at the top of transformers, L-shaped connectors stressed beyond elestic limit at base causing transformers to walk and rock Z@PZ/,Quaternary formation - alluvial fan depositsZ<$KZYesZ7ZB n@ZC ZD! ZA"!ZEK"ZSS#7KZ$ Damaged?Z&PZ'Transformer TRTKZ;TR3Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1L Z2 1AA bank@@Z3k@Z4Z5Z6OZ8Allis-ChalmersLZ9 single phaseZ:Z=pKZ>500 kv bushing W Type O EBM 1675, concrete pad, anchored by steel gusset plates connected to concrete by 1" bolts and hooked over base flange}Z?leaking oil around seals on bushings at the top of transformers, 1" bolts sheared at base causing transformers to walk (8" to 10") and rock Z@(OZ/,Quaternary formation - alluvial fan depositsZ<LZYesZ7ZB n@ZC ZD! ZA"!ZEL"ZSS#7LZ$ Damaged@Z&OZ'Transformer TRLZ;TR3Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1HN Z2 1AA bank@@Z3k@Z4Z5Z6MZ8 WestinghouseMZ9 single phaseZ:Z=LZ>sp500 kv bushing W Type O EBM 1675, concrete pad, anchored by embeded steel gusset plates hooked over base flangezZ?leaking oil around seals on bushings at the top of transformers, L-shaped connectors stressed beyond elastic limit at base causing transformers to walk and rock Z@NZ/,Quaternary formation - alluvial fan depositsZ<$NZYesZ7ZB n@ZC ZD! ZA"!ZEN"ZSS#74NZ$ Undamaged@Z&NZ' Wave Trap WTdNZ;WT2Z(Z)Z+NZ, Hanging Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6xNZ8GEZ9Z:Z=Z>Z?Z@4PZ/,Quaternary formation - alluvial fan depositsZ<OZYesZ7ZB n@ZC ZD! ZA"!ZEO"ZSS#7OZ$ Damaged@Z&PZ' Wave Trap WTOZ;WT2Z(Z)Z+PZ, Hanging Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6PZ8GEZ9Z:Z=Z>Z?Z@hmZ/,Quaternary formation - alluvial fan depositsZ<4QZYesZ7ZB n@ZC ZD! ZA"!ZE(Q"ZSS#7DQZ$ Undamaged@Z&iZ'(%Motor Operated Disconnect Switch MODStQZ;MODSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6,\Z8 Siemens-AllisRZ9 single bladeZ:WTswitch supported on 6 pipe columns supporting frame that held all 3 phases of switchZ?Z@lZ/,Quaternary formation - alluvial fan depositsZ<RZYesZ7ZB @ZC ZD! ZA"!ZER"ZSS#7RZ$ Damaged?Z&gZ'(%Motor Operated Disconnect Switch MODSRZ;MODSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 ` Z2MOD 4041, 2A Bankk@Z3Z4Z5Z6\Z8 Siemens-Allis\TZ9 single bladeZ:SZ=1.resistor assembly at top of jaw end of switchSZ>WTswitch supported on 6 pipe columns supporting frame that held all 3 phases of switchkZ?1.Resistor assembly broke off at base on A phaseZ@djZ/,Quaternary formation - alluvial fan depositsZ<TTZYesZ7ZB n@ZC ZD! ZA"!ZE8T"ZSS#7DTZ$ Damaged@Z&^Z'(%Motor Operated Disconnect Switch MODSTZ;MODSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1(Z Z2MOD 6063 3A Bankk@Z3Z4Z5Z6XZ8 Siemens-AllisUZ9 single bladeZ:LUZ=1.resistor assembly at top of jaw end of switchTZ>WTswitch supported on 6 pipe columns supporting frame that held all 3 phases of switchhZ?96Resistor assemblies fell to ground on all three phasesZ@,gZ/,Quaternary formation - alluvial fan depositsZ<UZYesZ7ZB n@ZC ZD! ZA"!ZEU"ZSS#7UZ$ Damaged@Z&\Z'(%Motor Operated Disconnect Switch MODS VZ;MODSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1X Z2MOD 6073 4A Bankk@Z3Z4Z5Z6|XZ8 Siemens-AllislWZ9 single bladeZ:VZ=1.resistor assembly at top of jaw end of switch(VZ>WTswitch supported on 6 pipe columns supporting frame that held all 3 phases of switchYZ?1.Resistor assembly broke off at base on A phaseZ@ XZ/,Quaternary formation - alluvial fan depositsZ<dWZYesZ7ZB n@ZC ZD! ZA"!ZEHW"ZSS#7TWZ$ Damaged@Z&WZ' Bus SupportWZ;BSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:Z=WZ>:7on top of A-frame racks supporting rigid jumper bus tie$[Z?SP2 insulators failed at base dropping rigid bus and twisting flexible conductors.Z@lYZ/,Quaternary formation - alluvial fan depositsZ<XZYesZ7ZB n@ZC ZD! ZA"!ZEX"ZSS#7XZ$ DamagedP@Z&YZ' Bus SupportYZ;BSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:8YZ=bus suspension insulatorsZ>Z?Z@ZZ/,Quaternary formation - alluvial fan depositsZ<dZZYesZ7ZB n@ZC ZD! ZA"!ZEXZ"ZSS#7tZZ$ Undamaged @Z&ZZ'Post Insulator PIZZ;PIZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@\Z/,Quaternary formation - alluvial fan depositsZ<[ZYesZ7ZB @@ZC ZD! ZA"!ZE["ZSS#7[Z$ DamagedQ@Z&|\Z'Post Insulator PI$\Z;PIZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:H\Z=supported bus conductorsZ>eZ?GDmay have been caused by slack bus conductor strung from post to postZ@ddZ/,Quaternary formation - alluvial fan depositsZ<t]ZYesZ7ZB n@ZC ZD! ZA"!ZEh]"ZSS#7]Z$ Undamaged@Z&|^Z' Shunt Reactor]Z;SRZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6]Z8GEp^Z9OA-MSZ:Z=]Z>QNconcrete pad, anchored by embeded steel gusset plates hooked over base flangeZ?Z@dZ/,Quaternary formation - alluvial fan depositsZ< _ZYesZ7ZB @@ZC ZD! ZA"!ZEDlt1wn<Y8=%ji?2WL d######### # # # # ###################^"ZSS#7^Z$ Damaged@Z&`Z' Shunt Reactor4_Z;SRZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6P_Z8GE_Z9OA-MSZ:Z=X_Z>QNconcrete pad, anchored by embeded steel gusset plates hooked over base flangeyZ?three types of failure, 1) rocking, 2) excessive movements of reactor bushings causing oil leaks, 3) terminal connector at top of bushing pulled offZ@bZ/,Quaternary formation - alluvial fan depositsZ<x`ZYesZ7ZB n@ZC ZD! ZA"!ZE`"ZSS#40bZ$ UndamagedK@Z&`Z'Circuit Breaker CB0bZ;CB20A`Z( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1` Z2mj5012, 5022, 5042, 5072, 5082, 5092, 5102, 5112, 4082, 4092, 6012, 6022, 6042, 6072, 6082, 6092, 6102, 6112l@Z3Z4Z5Z6Z8`Z9OilZ:Z=Z>Z?Z@aZQuaternary formation - soilZ<bZyesZ7ZB @ZC ZD! ZA"!ZE b"ZSS#40bZ$ Undamaged[@Z&bZ'Disconnect Switch DSLbZ;DS3Z(Z)Z+Z, Z-  Z.  Z/ `b Z0Horizontal - Low Design  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@HcZQuaternary formation - soilZ<cZyesZ7ZB @ZC ZD! ZA"!ZEc"ZSS#40cZ$ Undamaged@Z&cZ'Lightning Arrester LAcZ;LA1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@dZQuaternary formation - soilZ<eZyesZ7ZB @ZC ZD! ZA"!ZEe"ZSS#40,eZ$ Undamaged@Z&eZ'Transformer TR\eZ;TR2Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1e Z2 2A, 4Al@Z3P@Z4Z5Z6Z8xeZ9 three phaseZ:Z=Z>Z?Z@XfZQuaternary formation - soilZ<fZyesZ7ZB @ZC ZD! ZA"!ZEf"ZSS#1gZ$ UndamagedO@Z&fZ'Circuit Breaker CB gZ;CB20fZ( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z8gZ9SF-6Z:Z=Z>Z?Z@gZQuaternary formation - soilZ<hZNoZ7ZB @ZC ZD! ZA"!ZE h"ZSS#1hZ$ Undamaged(@Z&Z?Z@hiZQuaternary formation - soilZ<iZNoZ7ZB @ZC ZD! ZA"!ZEi"ZSS#1iZ$ Undamagedb@Z&8jZ'Disconnect Switch DSiZ;DS3Z(Z)Z+Z, Z-  Z.  Z/ j Z0Horizontal - Low Design  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@jZQuaternary formation - soilZ<(kZNoZ7ZB @ZC ZD! ZA"!ZE0k"ZSS#1LkZ$ Undamaged8@Z&kZ'Lightning Arrester LA|kZ;LA1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@xlZQuaternary formation - soilZ<lZNoZ7ZB @ZC ZD! ZA"!ZE l"Z SS#1 l Z $ Undamaged @ Z & Hm Z 'Transformer TR m Z ;TR1  Z (   Z ?  Z @ n Z Quaternary formation - soil  Z < 8n Z No  Z 7  Z B  @ Z C   Z D !  Z A " !Z E @n "Z SS#1 \n Z $ Undamaged @ Z & n Z 'Transformer TR n Z ;TR1  Z (  Z )  Z +  Z ,   Z -    Z .    Z /    Z 0    Z 1 n  Z 2 1A, 2A k@ Z 3 P@ Z 4  Z 5  Z 6  Z 8 n Z 9 single phase  Z :  Z =  Z >  Z ?  Z @ o Z Quaternary formation - soil  Z < o Z No  Z 7  Z B  @ Z C   Z D !  Z A " !Z E o "Z SS#1 o Z $ Undamaged @ Z & xp Z 'Transformer TR p Z ;TR2  Z ( lp Z )Unit  Z +  Z ,   Z -    Z .    Z /    Z 0    Z 1 Hp  Z 21, 2, 3, 4, 5, 6 k@ Z 3 ,@ Z 4  Z 5  Z 6  Z 8 0p Z 9 three phase  Z :  Z =  Z >  Z ?  Z @ q Z Quaternary formation - soil  Z < Hq Z No  Z 7  Z B  @ Z C   Z D !  Z A " !Z E Pq "Z SS#8 q Z $ Undamaged @ Z & lq Z 'Circuit Breaker CB q Z ;CB20 q Z ( Dead Tank  Z )  Z +  Z ,   Z -    Z .    Z /    Z 0    Z 1   Z 2 k@ Z 3  Z 4  Z 5  Z 6  Z 8 q Z 9SF-6  Z :  Z =  Z >  Z ?  Z @ `s Z !Mesozoic formation - hard rock  Z < r Z No  Z 7  Z B  @ Z C   Z D !  Z A " !Z E r "Z SS#8 Ls Z $ Undamaged (@ Z & r Z 'Circuit Breaker CB @s Z ;CB20A $s Z ( Dead Tank  Z )  Z +  Z ,   Z -    Z .    Z /    Z 0    Z 1   Z 2 k@ Z 3  Z 4  Z 5  Z 6  Z 8 8s Z 9Oil  Z :  Z =  Z >  Z ?  Z @ u Z !Mesozoic formation - hard rock  Z < Xt Z No  Z 7  Z B  @ Z C   Z D !  Z A " !Z E`t "ZSS#8|tZ$ UndamagedE@Z&duZ'Disconnect Switch DStZ;DS3Z(Z)Z+Z, Z-  Z.  Z/ 4u Z0Horizontal - Low Design  Z1t Z2;8401, 603 and either side of 432, 422, 412, 632, 622, 612k@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@vZ!Mesozoic formation - hard rockZ<uZNoZ7ZB @ZC ZD! ZA"!ZEu"ZSS#8uZ$ Damaged?Z&xvZ'Lightning Arrester LA,vZ;LAZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2N@Z3Z4Z5Z6Z8Z9Z:Z=PvZ>How is it installed0wZ?porcelain failed.Z@wZ!Mesozoic formation - hard rockZ<hwZNoZ7ZB ^@ZC ZD! ZA"!ZEpw"ZSS#8wZ$ UndamagedwZ&unkwZ'Lightning Arrester LAwZ;LAZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2N@Z3Z4Z5Z6Z8Z9Z:Z=?Z>How is it installed?Z?porcelain failed.Z@d?Z!Mesozoic formation - hard rockZ<xZNoZ7ZB ^@ZC ZD! ZA"!ZEx"ZSS#8P?Z$ Undamaged@Z&$?Z'Lightning Arrester LA?Z;LA1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@>Z!Mesozoic formation - hard rockZ<xzZNoZ7ZB @ZC ZD! ZA"!ZEz"ZSS#8>Z$ Undamaged@Z&>Z'Transformer TR>Z;TR1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1> Z2 4A, 3Ak@Z3P@Z4Z5Z6Z8t>Z9 single phaseZ:Z=Z>Z?Z@4>Z!Mesozoic formation - hard rockZ<|ZNoZ7ZB @ZC ZD! ZA"!ZE(>"ZSS#18>Z$ UndamagedK@Z&=Z'Circuit Breakers CB=Z;CB20T|Z( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1= Z2mj4142, 4122, 4112, 4102, 4097, 4062, 1052, 4042, 4032, 6142, 6122, 6112, 6102, 6097, 6062, 6052, 6042, 6032k@Z3Z4Z5Z6Z8<Z9SF-6Z:Z=Z>Z?Z@P}ZQuaternary formation - soilZ<}ZNoZ7ZB @ZC ZD! ZA"!ZE<"ZSS#18<Z$ Undamaged[@Z&<Z'Disconnect Switch DS<Z;DS2Z(Z)Z+Z, Z-  Z.  Z/ x< Z0Horizontal - Low Design  Z1; Z2|yeither side of 4142, 4122, 4112, 4102, 4097, 4062, 1052, 4042, 4032, 6142, 6122, 6112, 6102, 6097, 6062, 6052, 6042, 6032k@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@~ZQuaternary formation - soilZ<ZNoZ7ZB @ZC ZD! ZA"!ZEx;"ZSS#18d;Z$ Undamaged.@Z&8;Z'Lightning Arrester LA0;Z;LA1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@`ZQuaternary formation - soilZ<ZNoZ7ZB @ZC ZD! ZA"!ZE$;"ZSS#18;Z$ Undamaged@Z&:Z'Transformer TR:Z;TR2Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1: Z21A, 2A, 3A, 4Ak@Z3P@Z4Z5Z6Z8:Z9 3 phaseZ:Z=Z>Z?Z@聴ZQuaternary formation - soilZ< ZNoZ7ZB @ZC ZD! ZA"!ZE:"ZSS#18:Z$ Undamaged?Z&l:Z'Synchronous CondensorZ;Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:@:Z=Synchronous CondenserZ>9Z?0-misalignment causing loss of bearing pressureZ@pZQuaternary formation - soilZ<ZNoZ7ZB ^@ZC ZD! ZA"!ZE9"ZSS#18Z$ Damaged@Z&9Z'Synchronous CondensorZ;Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:9Z=Synchronous CondenserZ>8Z?MJmisalignment causing loss of bearing pressure. Some could continue to run.8Z@*'one replace bearing and others realign.ZQuaternary formation - soilZ<0ZNoZ7ZB ^@ZC ZD! ZA"!ZE8"ZSS#19x8Z$ UndamagedC@Z&TZ'Circuit Breaker CBl8Z;CB20Z( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8`8Z9SF-6Z:Z=Z>Z?Z@ZQuaternary formation - soilZ<ZNoZ7ZB @ZC ZD! ZA"!ZET8"ZSS#19@8Z$ Undamaged@Z&܆Z'Circuit Breaker CB48Z;CB20A Z( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8 Z9OilZ:Z=Z>Z?Z@ZQuaternary formation - soilZ<@ZNoZ7ZB @ZC ZD! ZA"!ZE(8"ZSS#198Z$ Undamaged@Z&dZ'Circuit Breaker CB 8Z;CB9Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z67Z8General ElectricZ9ATBZ:7Z=Model not shown in data.Z>Z?Z@ZQuaternary formation - soilZ<ȉZNoZ7ZB ^@ZC ZD! ZA"!ZE7"ZSS#19܉Z$ Damaged?Z&쉴Z'Circuit Breaker CB7Z;CB9Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6|7Z8General Electric0Z9ATBZ:H7Z=Model not shown in data.Z>7Z?!leaking support column gaskets6Z@'$N restored Feb 13, S restored Feb 26ZQuaternary formation - soilZ<PZNoZ7ZB ^@ZC ZD! ZA"!ZE6"ZSS#196Z$ UndamagedY@Z&p6Z'Disconnect Switch DSh6Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ 86 Z0Horizontal - Low Design  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ZQuaternary formation - soilZ<،ZNoZ7ZB @ZC ZD! ZA"!ZE,6"ZSS#196Z$ Undamaged@Z&5Z'Lightning Arrester LA5Z;LA1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@(ZQuaternary formation - soilZ<`ZNoZ7ZB @ZC ZD! ZA"!ZE5"ZSS#195Z$ Undamaged@Z&5Z'Transformer TR5Z;TR1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3P@Z4Z5Z6Z85Z9 single phaseZ:Z=Z>Z?Z@ZQuaternary formation - soilZ<菴ZNoZ7ZB @ZC ZD! ZA"!ZEDnl{    N!- { 6  =  #!#"###$#%#&#'#(#)#*#+#,#-#.#/#0#1#2#3#4#5#6#7#8#9#:#;#<#=#>#?# t5"Z SS#19  Z $ Damaged @ Z & H5 Z 'Synchronous Condensor  Z ;  Z (  Z )  Z +  Z ,   Z -    Z .    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Z"A"""!Z"E#t3""Z#SS#23#`3#Z#$ Undamaged##Z#&#43#Z#'Synchronous Condensor##Z#;##Z#(##Z#)##Z#+##Z#,# #Z#-# # Z#.# # Z#/# # Z#0# # Z#1## Z#2#l@#Z#3##Z#4##Z#5##Z#6##Z#8##Z#9##Z#:#3#Z#=synchronous condenser##Z#>##Z#?##Z#@#Е#Z#Quaternary formation - soil##Z#<##Z#No##Z#7##Z#B# ^@#Z#C# #Z#D#!# Z#A#"#!Z#E$#"Z$Misc$$Z$$ Damaged$"@$Z$&$,$Z$'Circuit Breaker CB$T$Z$;CB$$Z$($$Z$)$$Z$+$$Z$,$ $Z$-$ $ Z$.$ $ Z$/$ $ Z$0$ $ Z$1$$ Z$2$0@$Z$3$$Z$4$$Z$5$$Z$6$$Z$8$$Z$9$$Z$:$$Z$=$$Z$>$2$Z$?=:6 damaged bushings at Solemint and 3 flash overs at Saugus$$Z$@$$Z$$$Z$<$$Z$$$Z$7$$Z$B$ ^@$Z$C$ $Z$D$!$ Z$A$"$!Z$E%$"Z%Misc%%Z%$ Damaged%@%Z%&%d2%Z%'Disconnect Switch DS%ܗ%Z%;DS%%Z%(%%Z%)%%Z%+%%Z%,% %Z%-% % Z%.% % Z%/% % Z%0% % Z%1%% Z%2%N@%Z%3%%Z%4%%Z%5%%Z%6%%Z%8%%Z%9%%Z%:%%Z%=%%Z%>%1%Z%?OLDisconnect switches missaligned at Citrus SS and porcelain damage at Newhall%%Z%@%%Z%%%Z%<%%Z%%%Z%7%%Z%B% ^@%Z%C% %Z%D%!% Z%A%"%!Z%E& %"Z&Misc&,&Z&$ Damaged&&Z&&&1&Z&' Miscellaneous&&Z&;&&Z&(&&Z&)&&Z&+&&Z&,& &Z&-& & Z&.& & Z&/& & Z&0& & Z&1&& Z&2&l@&Z&3&&Z&4&&Z&5&&Z&6&&Z&8&&Z&9&&Z&:&&Z&=&&Z&>&0&Z&?Several transmission towers on several lines had to have footings or foundations compacted. While some were under construction, most were existing in-service towers. There was no disruption from these failures.&&Z&@&&Z&&&Z&<&&Z&&&Z&7&&Z&B& ^@&Z&C& &Z&D&!& Z&A&"&!Z&E'Ě&"Z'SS#41''Z'$ Damaged'?'Z'&'\'Z''Disconnect Switch DS''Z';DS3''Z'(''Z')''Z'+''Z',' 'Z'-' ' Z'.' ' Z'/' <' Z'0H. Swing-Tripod' ' Z'1'' Z'2'l@'Z'3''Z'4''Z'5''Z'6''Z'8''Z'9''Z':''Z'=''Z'>use of tripod support' 'Z'?post insulator failed at base. In falling it pulled the bayonet and corona ring wich burned the operating rod. This is refered to as secondary damage.'蜴'Z'@30Control rod and 3 post insulators were replaced.''Z'Quaternary formation - soil''Z'<'('Z'No''Z'7''Z'B' ]@'Z'C' 'Z'D'!' Z'A'"'!Z'E(L'"Z(SS#41(<(Z($ Damaged(?(Z(&((Z('Disconnect Switch DS(|(Z(;DS3((Z((((Z()((Z(+((Z(,( (Z(-( ( Z(.( ( Z(/( ( Z(0H. Swing-Tripod( ( Z(1(( Z(2(l@(Z(3((Z(4((Z(5((Z(6((Z(8Cole((Z(9((Z(:((Z(=((Z(>((Z(?~Broken post insulator on line side. Unit opened and reclosed with bayonet on top of the bell on the female half of disconnect.(h(Z(@Replace insulator.(x(Z(Quaternary formation - soil((Z(<((Z(No((Z(7((Z(B( ]@(Z(C( (Z(D(!( Z(A("(!Z(E)ԝ("Z)SS#41)ĝ)Z)$ Damaged)@)Z)&)<)Z)'Disconnect Switch DS))Z);DS3))Z)())Z))))Z)+))Z),) )Z)-) ) Z).) ) Z)/) ) Z)0Horizontal Swing) ) Z)1)) Z)2)l@)Z)3))Z)4))Z)5))Z)6))Z)8))Z)9))Z):))Z)=))Z)>)ԥ)Z)?khBroken post insulator on line side. Reported as secondary damage. Need to review station for assessment.))Z)@Replace insulator.))Z)Quaternary formation - soil))Z)<)8)Z)No))Z)7))Z)B) ]@)Z)C) )Z)D)!) Z)A)")!Z)E*L)"Z*SS#41*d*Z*$ Undamaged*\*Z*&unk*ğ*Z*'Disconnect Switch DS**Z*;DS3**Z*(**Z*)**Z*+**Z*,* *Z*-* * Z*.* * Z*/* * Z*0Horizontal Swing* * Z*1** Z*2*l@*Z*3**Z*4**Z*5**Z*6**Z*8**Z*9**Z*:**Z*=**Z*>**Z*?**Z*@**Z*Quaternary formation - soil**Z*<**Z*No**Z*7**Z*B* ]@*Z*C* *Z*D*!* Z*A*"*!Z*E+Ԡ*"Z+SS#41+젴+Z+$ Undamaged+䠴+Z+&unk+H+Z+'Disconnect Switch DS++Z+;DS3++Z+(++Z+)++Z++++Z+,+ +Z+-+ + Z+.+ + Z+/+ (+ Z+0H. Swing-Tripod+ + Z+1++ Z+2+l@+Z+3++Z+4++Z+5++Z+6++Z+8++Z+9++Z+:++Z+=++Z+>++Z+?++Z+@++Z+Quaternary formation - soil++Z+<+H+Z+No++Z+7++Z+B+ ]@+Z+C+ +Z+D+!+ Z+A+"+!Z+E,l+"Z,SS#41,\,Z,$ Damaged,?,Z,&,,Z,'Lightning Arrester LA,,Z,;LA1,,Z,(,,Z,),`,Z,+ Free Standing,,Z,,, ,Z,-, , Z,., , Z,/, , Z,0, , Z,1,, Z,2,l@,Z,3,,Z,4,,Z,5,,Z,6,,Z,8,,Z,9,,Z,:,,Z,=,,Z,>VSFrom picture, the LA appears to be on line between OCB and DS, an unusal situation.,,Z,?porcelain failed at base,,Z,@,,Z,Quaternary formation - soil,,Z,<,У,Z,No,,Z,7,,Z,B, ]@,Z,C, ,Z,D,!, Z,A,",!Z,E-䣴,"Z-SS#41--Z-$ Undamaged-@-Z-&-T-Z-'Lightning Arrester LA-$-Z-;LA1--Z-(--Z-)-8-Z-+ Free Standing--Z-,- -Z--- - Z-.- - Z-/- - Z-0- - Z-1-- Z-2-l@-Z-3--Z-4--Z-5--Z-6--Z-8--Z-9--Z-:--Z-=--Z->--Z-?--Z-@- -Z-Quaternary formation - soil--Z-<-X-Z-No--Z-7--Z-B- `@-Z-C- -Z-D-!- Z-A-"-!Z-E.l-"Z.SS#41.|.Z.$ Undamaged.?.Z.&..Z.'Transformer TR..Z.;TR1..Z.(..Z.)..Z.+..Z.,. .Z.-. . Z... . Z./. . Z.0. . Z.1.. Z.2.l@.Z.3.N@.Z.4..Z.5..Z.6..Z.8..Z.9..Z.:..Z.=..Z.>.\.Z.?EBShifted on transfer car and slipped its rail chocks about 6 inches..Z.@..Z.Quaternary formation - soil..Z.<.঴.Z.No..Z.7..Z.B. ]@.Z.C. .Z.D.!. Z.A.".!Z.E/."Z/SS#41//Z/$ Damaged/?/Z/&/</Z/'Transformer TR/4/Z/;TR1//Z/(//Z/)//Z/+//Z/,/ /Z/-/ / Z/./ / Z/// / Z/0/ / Z/1// Z/2/l@/Z/3/N@/Z/4//Z/5//Z/6//Z/8//Z/9//Z/://Z/=//Z/>/䨴/Z/?@=66 kV bushing cracked, fell over and cracked bowl on its top.//Z/@/0/Z/Quaternary formation - soil//Z/</h/Z/No//Z/7//Z/B/ ]@/Z/C/ /Z/D/!/ Z/A/"/!Z/E0|/"Z0SS#4100Z0$ Undamaged0@0Z0&0Ĩ0Z0'Transformer TR00Z0;TR100Z0(00Z0)00Z0+00Z0,0 0Z0-0 0 Z0.0 0 Z0/0 0 Z000 0 Z0100 Z020l@0Z030N@0Z0400Z0500Z0600Z0800Z0900Z0:00Z0=00Z0>0H0Z0?HEFour units sheared anchor bolts on one side and shifted 1 to 2 inches00Z0@00Z0Quaternary formation - soil00Z0<00Z0No00Z0700Z0B0 ]@0Z0C0 0Z0D0!0 Z0A0"0!Z0E1<0"Z1SS#4111Z1$ Damaged1?1Z1&11Z1'Capacitor Racks CR11Z1;11Z1(11Z1)11Z1+11Z1,1 1Z1-1 1 Z1.1 1 Z1/1 1 Z101 1 Z1111 Z1210@1Z1311Z1411Z1511Z1611Z1811Z1911Z1:11Z1=11Z1>1 1Z1?support insulator broke. Rack pulled towards bus about 4" and three bus side bushings on 16 kV capacitor PCB flashed over and were replaced.11Z1@1@1Z1Quaternary formation - soil11Z1<1x1Z1No11Z1711Z1B1 ]@1Z1C1 1Z1D1!1 Z1A1"1!Z1E21"Z2SS#4122Z2$ Damaged2?2Z2&2̫2Z2' Bus Support2ī2Z2;BS22Z2(22Z2)22Z2+22Z2,2 2Z2-2 2 Z2.2 2 Z2/2 2 Z202 2 Z2122 Z222N@2Z2322Z2422Z2522Z2622Z2822Z2922Z2:2諴2Z2=Transfer bus on 2A Bank22Z2>22Z2?b_Fitting on transfer bus support failed allowing one end of bus to fall. Porcelain did not fail.22Z2@2Ȭ2Z2Quaternary formation - soil22Z2<22Z2No22Z2722Z2B2 ]@2Z2C2 2Z2D2!2 Z2A2"2!Z2E32"Z3SS#443x3Z3$ Undamaged33Z3&3$3Z3'Circuit Breaker CB3T3Z3;CB933Z3(33Z3)33Z3+33Z3,3 3Z3-3 3 Z3.3 3 Z3/3 3 Z303 3 Z3133 Z323l@3Z3333Z3433Z3533Z363p3Z38GE3h3Z39ATB33Z3:33Z3=33Z3>33Z3?33Z3@3P3Z3Quaternary formation - soil33Z3<33Z3No33Z3733Z3B3 @3Z3C3 3Z3D3!3 Z3A3"3!Z3E4䮴3"Z4SS#4444Z4$ Damaged4@@4Z4&44Z4'Circuit Breaker CB4ܮ4Z4;CB944Z4(44Z4)44Z4+44Z4,4 4Z4-4 4 Z4.4 4 Z4/4 4 Z404 4 Z4144 Z424l@4Z4344Z4444Z4544Z4644Z48GE44Z49ATB44Z4:44Z4=44Z4>44Z4?44Z4@4د4Z4Quaternary formation - soil44Z4<44Z4No44Z4744Z4B4 @4Z4C4 4Z4D4!4 Z4A4"4!Z4E5$4"Z5SS#44545Z5$ Undamaged5@5Z5&55Z5'Potential Trans. PT5d5Z5;PT155Z5(55Z5)55Z5+55Z5,5 5Z5-5 x5 Z5. Post Mounted5 5 Z5/5 5 Z505 5 Z5155 Z525l@5Z5355Z5455Z5555Z5655Z5855Z5955Z5:55Z5=55Z5>55Z5?55Z5@5`5Z5Quaternary formation - soil55Z5<55Z5No55Z5755Z5B5 @5Z5C5 5Z5D5!5 Z5A5"5!Z5E65"Z6SS#4466Z6$ Damaged6@6Z6&66Z6'Potential Trans. PT6챴6Z6;PT166Z6(66Z6)66Z6+66Z6,6 6Z6-6 6 Z6. Post Mounted6 6 Z6/6 6 Z606 6 Z6166 Z626l@6Z6366Z6466Z6566Z6666Z6866Z6966Z6:66Z6=66Z6>6̳6Z6?TQremained on supports with damage to oil seals, terminal taps and base connections66Z6@6貴6Z6Quaternary formation - soil66Z6<6 6Z6No66Z6766Z6B6 @6Z6C6 6Z6D6!6 Z6A6"6!Z6E7D6"Z7SS#44747Z7$ Damaged7@7Z7&77Z7'Potential Trans. PT7t7Z7;PT177Z7(77Z7)77Z7+77Z7,7 7Z7-7 7 Z7. Post Mounted7 7 Z7/7 7 Z707 7 Z7177 Z727l@7Z7377Z7477Z7577Z7677Z7877Z7977Z7:77Z7=77Z7>777?<9broke from steel post support pedestal and fell to ground77Z7@7p7Z7Quaternary formation - soil77Z7<77Z7No77Z7777Z7B7 @7Z7C7 7Z7D7!7 Z7A7"7!Z7E87"Z8SS#458,8Z8$ Undamaged8(@8Z8&8̴8Z8'Circuit Breaker CB8 8Z8;CB1588Z8( Live Tank88Z8)88Z8+88Z8,8 8Z8-8 8 Z8.8 8 Z8/8 8 Z808 8 Z8188 Z828@@8Z8388Z8488Z8588Z8688Z88GE88Z89ATB88Z8:88Z8=88Z8>88Z8?88Z8@88Z8!Mesozoic formation - hard rock88Z8<808Z8No88Z8788Z8B8 @@8Z8C8 8Z8D8!8 Z8A8"8!Z8E9D8"Z9SS#4599Z9$ Undamaged9H@9Z9&9T9Z9'Circuit Breaker CB99Z9;CB2099Z9( Dead Tank99Z9)99Z9+99Z9,9 9Z9-9 9 Z9.9 9 Z9/9 9 Z909 9 Z9199 Z929l@9Z9399Z9499Z9599Z9699Z9899Z99SF699Z9:99Z9=99Z9>99Z9?99Z9@99Z9!Mesozoic formation - hard rock99Z9<99Z9No99Z9799Z9B9 @@9Z9C9 9Z9D9!9 Z9A9"9!Z9E:̷9"Z:SS#45:p:Z:$ Undamaged:"@:Z:&:ܷ:Z:'Circuit Breaker CB:d:Z:;CB72: :Z:( Live Tank::Z:)::Z:+::Z:,: :Z:-: : Z:.: : Z:/: : Z:0: : Z:1:: Z:2:@@:Z:3::Z:4::Z:5::Z:6:H:Z:8 Westinghouse:(:Z:9SF6 non-seismic::Z::::Z:=::Z:>::Z:?::Z:@:@:Z:!Mesozoic formation - hard rock::Z:<:@:Z:No::Z:7::Z:B: @@:Z:C: :Z:D:!: Z:A:":!Z:E;4:"Z;SS#45;T;Z;$ Damaged;@;Z;&;d;Z;'Circuit Breaker CB;(;Z;;CB72;;Z;( Live Tank;;Z;);;Z;+;;Z;,; ;Z;-; ; Z;.; ; Z;/; ; Z;0; ; Z;1;; Z;2;@@;Z;3;;Z;4;;Z;5;;Z;6; ;Z;8 Westinghouse;카;Z;9SF6 non-seismic;;Z;:;;Z;= Vincent is not on data sheets;;Z;>;;Z;?Individual data is not vailable. 3 porcelain columns failed, 2 columns cracked of the 9 columns, 10 of 18 porcelain guys failed. 5 of 9 twisted clockwise as view from above.;t;Z;@+(41 days before spares could be obtained.;Ȼ;Z;!Mesozoic formation - hard rock;;Z;<;Ⱥ;Z;No;;Z;7;;Z;B; ^@;Z;C; ;Z;D;!; Z;A;";!Z;E<;"Z<SS#45<ܺ<Z<$ Damaged<@<Z<&<캴<Z<'Circuit Breaker CB<<Z<;CB72<<Z<( Live Tank<<Z<)<<Z<+<<Z<,< <Z<-< < Z<.< < Z</< < Z<0< < Z<1<< Z<2<@@<Z<3<<Z<4<<Z<5<<Z<6<<Z<8 Westinghouse<t<Z<9SF6 non-seismic<<Z<:<8<Z<= Vincent is not on data sheets<<Z<><<Z<?0-4 porcelain guys on N and 7 guys on S failed.<<ƴ<Z<@gdGuy damage would not effect operation. Units were repaired and put back into service within 48 hrs.<ؼ<Z<!Mesozoic formation - hard rock<<Z<<<P<Z<No<<Z<7<<Z<B< ^@<Z<C< <Z<D<!< Z<A<"<!Z<E=d<"Z=SS#45=t=Z=$ Undamaged=X@=Z=&==Z='Disconnect Switch DS==Z=;DS3==Z=(==Z=)==Z=+==Z=,= =Z=-= = Z=.= = Z=/= = Z=0= = Z=1== Z=2=l@=Z=3==Z=4==Z=5==Z=6==Z=8==Z=9==Z=:==Z====Z=>==Z=?==Z=@==Z=!Mesozoic formation - hard rock==Z=<=ؽ=Z=No==Z=7==Z=B= @=Z=C= =Z=D=!= Z=A="=!Z=E>="Z>SS#45>콴>Z>$ Damaged>?>Z>&>о>Z>'Disconnect Switch DS>,>Z>;DS1>>Z>(>>Z>)>>Z>+>>Z>,> >Z>-> > Z>.> > Z>/> > Z>0> > Z>1>> Z>2>@@>Z>3>>Z>4>>Z>5>>Z>6>>Z>8>>Z>9>>Z>:>t>Z>=0-Vincent is not on data sheets. What is type?>H>Z>>How is it installed?>8ô>Z>?1.Post insulator failed. Unit out of alignment.>>Z>@>`>Z>!Mesozoic formation - hard rock>>><>`>Z>No>>Z>7>>Z>B> ^@>Z>C> >Z>D>!> Z>A>">!Z>E?t>"Z?SS#45??Z?$ Undamaged?1@?Z?&?4?Z?'Disconnect Switch DS??Z?;DS1??Z?(??Z?)??Z?+??Z?,? ?Z?-? ? Z?.? ? Z?/? ? Z?0? ? Z?1?? Z?2?@@?Z?3??Z?4??Z?5??Z?6??Z?8??Z?9??Z?:??Z?=Probably don't have all DS1?п?Z?>How is it installed???Z????Z?@??Z?!Mesozoic formation - hard rock??Z?<??Z?No??Z?7??Z?B? ^@?Z?C? ?Z?D?!? Z?A?"?!Z?ED\lN {2+5ugW? *0t@#A#B#C#D#E#F#G#H#I#J#K#L#M#N#O#P#Q#R#S#T#U#V#W#X#Y#Z#[#\#]#^#_#@ ?"Z@SS#45@@Z@$ Damaged@?@Z@&@@Z@'Lightning Arrester LA@<@Z@;LA5@@Z@(@@Z@)@@Z@+@@Z@,@ @Z@-@ @ Z@.@ @ Z@/@ @ Z@0@ @ Z@1@@ Z@2@@@@Z@3@@Z@4@@Z@5@@Z@6@@Z@8@@Z@9@@Z@:@@Z@= Vincent is not on data sheets@X@Z@>How is it installed?@8´@Z@?porcelain failed.@@Z@@@´@Z@!Mesozoic formation - hard rock@@Z@<@p´@Z@No@@Z@7@@Z@B@ ^@@Z@C@ @Z@D@!@ Z@A@"@!Z@EA´@"ZASS#45A´AZA$ UndamagedA$@AZA&A´AZA'Lightning Arrester LAA´AZA;LA1AAZA(AAZA)AAZA+AAZA,A AZA-A A ZA.A A ZA/A A ZA0A A ZA1AA ZA2Al@AZA3AAZA4AAZA5AAZA6AAZA8AAZA9AAZA:AAZA=AAZA>AAZA?AAZA@AĴAZA!Mesozoic formation - hard rockAAZA<AôAZANoAAZA7AAZABA @@AZACA AZADA!A ZAAA"A!ZAEB ĴA"ZBSS#45BĴBZB$ UndamagedB8@BZB&BĴBZB'Lightning Arrester LABLĴBZB;LA5BBZB(BBZB)BBZB+BBZB,B BZB-B B ZB.B B ZB/B B ZB0B B ZB1BB ZB2B@@BZB3BBZB4BBZB5BBZB6BBZB8BBZB9BBZB:BĴBZB= Vincent is not on data sheetsBhĴBZB>How is it installed?BBZB?BBZB@BŴBZB!Mesozoic formation - hard rockBBZB<BŴBZBNoBBZB7BBZBBB ^@BZBCB BZBDB!B ZBAB"B!ZBECŴB"ZCSS#45CŴCZC$ UndamagedC @CZC&CŴCZC'Transformer TRCŴCZC;TR3CCZC(CCZC)CCZC+CCZC,C CZC-C C ZC.C C ZC/C C ZC0C C ZC1CC ZC2C@@CZC3Cl@CZC4CCZC5CCZC6CCZC8CCZC9CCZC:CCZC=CCZC>CCZC?CCZC@CǴCZC!Mesozoic formation - hard rockCCZC<CǴCZCNoCCZC7CCZCBC @@CZCCC CZCDC!C ZCAC"C!ZCED,ǴC"ZDSS#45DǴDZD$ DamagedD?DZD&DǴDZD'Transformer TRD\ǴDZD;TR3DDZD(DDZD)DDZD+DDZD,D DZD-D D ZD.D D ZD/D D ZD0D D ZD1DD ZD2D@@DZD3Dl@DZD4DDZD5DDZD6DDZD8DDZD9DDZD:DxǴDZD= Vincent is not on data sheetsDDZD>DȴDZD?Radiator leak.DXȴDZD@ restoration?D\ɴDZD!Mesozoic formation - hard rockDDZD<DȴDZDNoDDZD7DDZDBD ^@DZDCD DZDDD!D ZDAD"D!ZDEEȴD"ZESS#45EȴEZE$ DamageE?EZE&E<ɴEZE'Transformer TREȴEZE;TR3EEZE(EEZE)EEZE+EEZE,E EZE-E E ZE.E E ZE/E E ZE0E E ZE1EE ZE2E@@EZE3El@EZE4EEZE5EEZE6EEZE8EEZE9EEZE:EɴEZE= Vincent is not on data sheetsEEZE>EɴEZE?LA damaged radiator fan.EEZE@EʴEZE!Mesozoic formation - hard rockEEZE<EʴEZENoEEZE7EPp@EZEBE ^@EZECE EZEDE!E ZEAE"E!ZEEF<ʴE"ZFSS#45F,ʴFZF$ DamagedF@FZF&FlʴFZF' Bus SupportFdʴFZF;BSFFZF(FFZF)FFZF+FFZF,F FZF-F F ZF.F F ZF/F F ZF0F F ZF1FF ZF2F@@FZF3FFZF4FFZF5FFZF6FFZF8FFZF9FFZF:FʴFZF= Bus supportFʴFZF>How is it installed?F̴FZF?412 post insulators failed. How many did not fail?FFZF@FT̴FZF!Mesozoic formation - hard rockFFZF<F˴FZFNoFFZF7Fp@FZFBF ^@FZFCF FZFDF!F ZFAF"F!ZFEG˴F"ZGSS#45G˴GZG$ UndamagedGZ@GZG&G˴GZG' Bus SupportG˴GZG;BSGGZG(GGZG)GGZG+GGZG,G GZG-G G ZG.G G ZG/G G ZG0G G ZG1GG ZG2G@@GZG3GGZG4GGZG5GGZG6GGZG8GGZG9GGZG:G<̴GZG= Bus supportG̴GZG>How is it installed?GʹGZG?412 post insulators failed. How many did not fail?GGZG@GʹGZG!Mesozoic formation - hard rockGGZG<G(ʹGZGNoGGZG7GGZGBG ^@GZGCG GZGDG!G ZGAG"G!ZGEH<ʹG"ZHSS#13HʹHZH$ UndamagedH(@HZH&HLʹHZH'Circuit Breaker CBHʹHZH;CB20AH|ʹHZH( Dead TankHHZH)HHZH+HHZH,H HZH-H H ZH.H H ZH/H H ZH0H H ZH1HH ZH2Hl@HZH3HHZH4HHZH5HHZH6HHZH8HʹHZH9OilHHZH:HHZH=HHZH>HHZH?HHZH@HtϴHZH!Tertiary formation - soft rockHHZH<HδHZHYesHHZH7HHZHBH @HZHCH HZHDH!H ZHAH"H!ZHEIδH"ZISS#13IδIZI$ UndamagedIB@IZI&IHϴIZI'Disconnect Switch DSIϴIZI;DS3IIZI(IIZI)IIZI+IIZI,I IZI-I I ZI.I I ZI/I ϴI ZI0Horizontal - Low DesignI I ZI1II ZI2Il@IZI3IIZI4IIZI5IIZI6IIZI8IIZI9IIZI:IIZI=IIZI>IIZI?IIZI@IдIZI!Tertiary formation - soft rockIIZI<I@дIZIYesIIZI7IIZIBI @IZICI IZIDI!I ZIAI"I!ZIEJLдI"ZJSS#13J\дJZJ$ UndamagedJ(@JZJ&JдJZJ'Lightning Arrester LAJдJZJ;LA1JJZJ(JJZJ)JJZJ+JJZJ,J JZJ-J J ZJ.J J ZJ/J J ZJ0J J ZJ1JJ ZJ2Jl@JZJ3JJZJ4JJZJ5JJZJ6JJZJ8JJZJ9JJZJ:JJZJ=JJZJ>JJZJ?JJZJ@JhҴJZJ!Tertiary formation - soft rockJJZJ<JѴJZJYesJJZJ7JJZJBJ @JZJCJ JZJDJ!J ZJAJ"J!ZJEKѴJ"ZKSS#13KѴKZK$ UndamagedK@KZK&K@ҴKZK'Potential Trans. PTKҴKZK;PT1KKZK(KKZK)KKZK+KKZK,K KZK-K (ҴK ZK. Low SeismicK K ZK/K K ZK0K K ZK1KK ZK2Kl@KZK3KKZK4KKZK5KKZK6KKZK8KKZK9KKZK:KKZK=KKZK>KKZK?KKZK@KDԴKZK!Tertiary formation - soft rockKKZK<KPӴKZKYesKKZK7KKZKBK @KZKCK KZKDK!K ZKAK"K!ZKELlӴK"ZLSS#13L\ӴLZL$ DamagedL?LZL&L$ԴLZL'Transformer TRLӴLZL;TR1LLZL(LLZL)LLZL+LLZL,L LZL-L L ZL.L L ZL/L L ZL0L L ZL1LL ZL2Ll@LZL3LN@LZL4LLZL5LLZL6LԴLZL8General ElectricLӴLZL9 8275998LLZL:LӴLZL=Single phase 220/66 kV TR.LLZL>LLZL?74220 bushing gasket leaks. Anchorage was distressed.LLZL@2/Replace 220 kV bushing on 220/66 kV B phase TR.LմLZL!Tertiary formation - soft rockLLZL<LԴLZLYesLLZL7LLZLBL @]@LZLCL LZLDL!L ZLAL"L!ZLEMԴL"ZMSS#13MԴMZM$ UndamagedM@MZM&MմMZM'Transformer TRM$մMZM;TR1MMZM(MMZM)MMZM+MMZM,M MZM-M M ZM.M M ZM/M M ZM0M M ZM1MM ZM2Ml@MZM3MN@MZM4MMZM5MMZM6MմMZM8General ElectricMxմMZM98276000, -1, -2MMZM:M@մMZM=Single phase 220/66 kV TRs.MMZM>MMZM?MMZM@M\״MZM!Tertiary formation - soft rockMMZM<M`ִMZMYesMMZM7MMZMBM @]@MZMCM MZMDM!M ZMAM"M!ZMENlִM"ZNSS#13N|ִNZN$ UndamagedN@NZN&N<״NZN'Transformer TRNִNZN;TR1NNZN(NNZN)NNZN+NNZN,N NZN-N N ZN.N N ZN/N N ZN0N N ZN1NN ZN2Nl@NZN3NN@NZN4NNZN5NNZN6N״NZN8General ElectricN״NZN9 8275997, -9NNZN:NִNZN=Single phase 220/66 kV TRs.NNZN>NNZN?NNZN@NشNZN!Tertiary formation - soft rockNNZN<N״NZNYesNNZN7NNZNBN @]@NZNCN NZNDN!N ZNAN"N!ZNEOشN"ZOSS#13O״OZO$ DamagedO@OZO&OشOZO'Transformer TRO4شOZO;TR1OOZO(OOZO)OOZO+OOZO,O OZO-O O ZO.O O ZO/O O ZO0O O ZO1OO ZO2Ol@OZO3ON@OZO4OOZO5OOZO6OشOZO8 WestinghouseOشOZO93418517, -8, -9OOZO:OPشOZO=Single phase 220/66 kV TRs.OOZO>O|OZO?74220 bushing gasket leaks. Anchorage was distressed.OOZO@A>Replace each 220 kV bushing on each single phase 220/66 kV TR.OtڴOZO!Tertiary formation - soft rockOOZO<OpٴOZOYesOOZO7OOZOBO @]@OZOCO OZODO!O ZOAO"O!ZOEPٴO"ZPSS#13P|ٴPZP$ DamagedP@PZP&PTڴPZP'Transformer TRPٴPZP;TR1PPZP(PPZP)PPZP+PPZP,P PZP-P P ZP.P P ZP/P P ZP0P P ZP1PP ZP2Pl@PZP3PN@PZP4PPZP5PPZP6P8ڴPZP8 WestinghousePڴPZP93772575, 4088092,-3PPZP:PٴPZP=Single phase 220/66 kV TRs.PPZP>PPZP?74220 bushing gasket leaks. Anchorage was distressed.P0ݴPZP@A>Replace each 220 kV bushing on each single phase 220/66 kV TR.P۴PZP!Tertiary formation - soft rockPPZP<PڴPZPYesPPZP7PPZPBP @]@PZPCP PZPDP!P ZPAP"P!ZPEQ۴P"ZQSS#14Q۴QZQ$ DamagedQ?QZQ&Q۴QZQ'Circuit Breaker CBQ۴QZQ;CB14QD۴QZQ( Live TankQQZQ)QQZQ+QQZQ,Q QZQ-Q Q ZQ.Q Q ZQ/Q Q ZQ0Q Q ZQ1QQ ZQ2Ql@QZQ3QQZQ4QQZQ5QQZQ6Ql۴QZQ8General ElectricQ`۴QZQ9ATB7QQZQ:QQZQ=QQZQ>QQZQ?yvOne of the outside interrupter head bushing blew. From slack that was available it appears that head moved about 12".QQZQ@Q@ܴQZQQuaternary formation - soilQQZQ<QQZQQQZQ7QQZQBQ Z@QZQCQ QZQDQ!Q ZQAQ"Q!ZQER$ݴQ"ZRSS#14RܴRZR$ DamagedR?RZR&RܴRZR'Circuit Breaker CBRݴRZR;CB14RܴRZR( Live TankRRZR)RRZR+RRZR,R RZR-R R ZR.R R ZR/R R ZR0R R ZR1RR ZR2Rl@RZR3RRZR4RRZR5RRZR6RܴRZR8General ElectricRܴRZR9ATB7RRZR:RRZR=RRZR>RRZR?-*Crack at sandring allowed SF6 to leak out.R޴RZR@-*Lower porcelain member had to be replaced.RݴRZRQuaternary formation - soilRRZR<RRZRRRZR7RRZRBR Z@RZRCR RZRDR!R ZRAR"R!ZRES޴R"ZSSS#14S޴SZS$ DamagedS@SZS&S$޴SZS'Circuit Breaker CBS޴SZS;CB14ST޴SZS( Live TankSSZS)SSZS+SSZS,S SZS-S S ZS.S S ZS/S S ZS0S S ZS1SS ZS2Sl@SZS3SSZS4SSZS5SSZS6S|޴SZS8General ElectricSp޴SZS9ATB7SSZS:SSZS=SSZS>SSZS?52Porcelain interrupter head support columns failed.SHSZS@# Dead tank replacement unit used.SPߴSZSQuaternary formation - soilSSZS<SSZSSSZS7SSZSBS Z@SZSCS SZSDS!S ZSAS"S!ZSETߴS"ZTSS#14T4TZT$ UndamagedT@TZT&TߴTZT'Circuit Breaker CBT(TZT;CB14TߴTZT( Live TankTTZT)TTZT+TTZT,T TZT-T T ZT.T T ZT/T T ZT0T T ZT1TT ZT2Tl@TZT3TTZT4TTZT5TTZT6TTZT8General ElectricTߴTZT9ATB7TTZT:TTZT=TTZT>TTZT?TTZT@TTZTQuaternary formation - soilTTZT<TTZTTTZT7TTZTBT @TZTCT TZTDT!T ZTAT"T!ZTEU$T"ZUSS#14U4UZU$ UndamagedU@UZU&UUZU'Transformer TRUdUZU;TR2UUZU(UxUZU) 3 phaseUUZU+UUZU,U UZU-U U ZU.U U ZU/U U ZU0U U ZU1UU ZU2Ul@UZU3UUZU4UUZU5UUZU6UUZU8UUZU9UUZU:UUZU=UUZU>UUZU?UUZU@U`UZUQuaternary formation - soilUUZU<UUZUUUZU7UUZUBU @UZUCU UZUDU!U ZUAU"U!ZUEVU"ZVSS#14V/VZV$ UndamagedV>@VZV&V/VZV'Disconnect Switch DSV/VZV;DS3VVZV(VVZV)VVZV+VVZV,V VZV-V V ZV.V V ZV/V /V ZV0Horizontal - Low DesignV V ZV1VV ZV2Vl@VZV3VVZV4VVZV5VVZV6VVZV8VVZV9VVZV:VVZV=VVZV>VVZV?VVZV@VVZVQuaternary formation - soilVVZV<VVZVVVZV7VVZVBV @VZVCV VZVDV!V ZVAV"V!ZVEW(V"ZWSS#9W4WZW$ DamagedW?WZW&WDWZW'Circuit Breaker CBW|/WZW;CB14WtWZW( Live TankWWZW)WWZW+WWZW,W WZW-W W ZW.W W ZW/W W ZW0W W ZW1WW ZW2Wl@WZW3WWZW4W@WZW5WWZW6WX/WZW8General ElectricWL/WZW9ATB7W̞@WZW:W|.WZW=ifThese units were put in at a time when seismic awareness was low and only standard CBs were available.W,WZW>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.W,WZW?YVThe gaskets on the 2 interrupter head bushings that were connected to each other blew.W*WZW@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.W*WZWFirmWWZW<W*WZWYesWWZW7WWZWBW Z@WZWCW WZWDW!W ZWAW"W!ZWEXW"ZXSS#9XXZX$ DamagedX?XZX&XXZX'Circuit Breaker CBXx*XZX;CB14XXZX( Live TankXXZX)XXZX+XXZX,X XZX-X X ZX.X X ZX/X X ZX0X X ZX1XX ZX2Xl@XZX3XXZX4X@XZX5XXZX6XT*XZX8General ElectricXH*XZX9ATB7X̞@XZX:Xx)XZX=ifThese units were put in at a time when seismic awareness was low and only standard CBs were available.X'XZX>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.XL&XZX?Only one of the gaskets on the 2 interrupter head bushings that were connected to each other blew. Porcelain part of high pressure air supply broke. Support column containing CT failed.X$XZX@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.X$XZXFirmXXZX<X$XZXYesXXZX7XXZXBX Z@XZXCX XZXDX!X ZXAX"X!ZXEY8X"ZYSS#9YDYZY$ DamagedY?YZY&YTYZY'Circuit Breaker CBY$YZY;CB14YYZY( Live TankYYZY)YYZY+YYZY,Y YZY-Y Y ZY.Y Y ZY/Y Y ZY0Y Y ZY1YY ZY2Yl@YZY3YYZY4Yp@YZY5YYZY6Y$YZY8General ElectricY$YZY9ATB7Y̞@YZY:Y#YZY=These units were put in at a time when seismic awareness was low and only standard CBs were available. The interrupter heads on this unit weighed 3600 pounds vs 2600 for most other units.YL!YZY>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.YYZY?The gaskets on the 2 interrupter head bushings that were connected to each other blew. Porcelain part of high pressure air supply broke. Interrupter head support column failed (column w/o CT)YYZY@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.YYZYFirmYYZY<YYZYYesYYZY7YYZYBY Z@YZYCY YZYDY!Y ZYAY"Y!ZYEZY"ZZSS#9ZZZZ$ DamagedZ?ZZZ&ZZZZ'Circuit Breaker CBZZZZ;CB14Z ZZZ( Live TankZZZZ)ZZZZ+ZZZZ,Z ZZZ-Z Z ZZ.Z Z ZZ/Z Z ZZ0Z Z ZZ1ZZ ZZ2Zl@ZZZ3ZZZZ4Zp@ZZZ5ZZZZ6ZZZZ8General ElectricZxZZZ9ATB7Z̞@ZZZ:ZZZZ=These units were put in at a time when seismic awareness was low and only standard CBs were available. The interrupter heads on this unit weighed 3600 pounds vs 2600 for most other units.ZDZZZ>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.ZHZZZ?|The gaskets on the 2 interrupter head bushings that were connected to each other blew. Support column containing CT failed.ZZZZ@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.ZZZZFirmZZZZ<ZZZZYesZZZZ7ZZZZBZ Z@ZZZCZ ZZZDZ!Z ZZAZ"Z!ZZE[HZ"Z[SS#9[T[Z[$ Damaged[?[Z[&[d[Z['Circuit Breaker CB[[Z[;CB14[[Z[( Live Tank[[Z[)[[Z[+[[Z[,[ [Z[-[ [ Z[.[ [ Z[/[ [ Z[0[ [ Z[1[[ Z[2[l@[Z[3[[Z[4[p@[Z[5[[Z[6[[Z[8General Electric[h[Z[9ATB7 (isolated)[̞@[Z[:[[Z[=These units were put in at a time when seismic awareness was low and only standard CBs were available. The interrupter heads on this unit weighed 3600 pounds vs 2600 for most other units.[[Z[>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage. Unit mounted on 3/4" elastomer pad[0[Z[?_\Only one gaskets on the 2 interrupter head bushings that were connected to each other blew. [[Z[@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.[[Z[Firm[[Z[<[[Z[Yes[[Z[7[[Z[B[ Z@[Z[C[ [Z[D[![ Z[A["[!Z[E\["Z\SS#9\\Z\$ Undamaged\?\Z\&\\Z\'Circuit Breaker CB\\Z\;CB14\\Z\( Live Tank\\Z\)\\Z\+\\Z\,\ \Z\-\ \ Z\.\ \ Z\/\ \ Z\0\ \ Z\1\\ Z\2\l@\Z\3\\Z\4\p@\Z\5\\Z\6\\\Z\8General Electric\<\Z\9ATB7 (isolated)\̞@\Z\:\\Z\=These units were put in at a time when seismic awareness was low and only standard CBs were available. The interrupter heads on this unit weighed 3600 pounds vs 2600 for most other units.\\Z\>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage. Unit mounted on sock isolators of\\Z\?\|\Z\@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.\|\Z\Firm\\Z\<\< \Z\Yes\\Z\7\\Z\B\ Z@\Z\C\ \Z\D\!\ Z\A\"\!Z\E]X\"Z]SS#9]d]Z]$ Damaged]@]Z]&]t]Z]'Circuit Breaker CB]T]Z];CB14]]Z]( Live Tank]]Z])]]Z]+]]Z],] ]Z]-] ] Z].] ] Z]/] ] Z]0] ] Z]1]] Z]2]l@]Z]3]]Z]4]p@]Z]5]]Z]6]]Z]8General Electric]H]Z]9ATB7]̞@]Z]:]]Z]=These units were put in at a time when seismic awareness was low and only standard CBs were available. The interrupter heads on this unit weighed 3600 pounds vs 2600 for most other units.]l]Z]>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.]ڸ]Z]?The gaskets on the 2 interrupter head bushings that were connected to each other blew. Porcelain part of high pressure air supply broke.]\]Z]@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.]<]Z]Firm]]Z]<] ]Z]Yes]]Z]7]]Z]B] Z@]Z]C] ]Z]D]!] Z]A]"]!Z]E^]"Z^SS#9^^Z^$ Damaged^@^Z^&^^Z^'Circuit Breaker CB^^Z^;CB14^,^Z^( Live Tank^^Z^)^^Z^+^^Z^,^ ^Z^-^ ^ Z^.^ ^ Z^/^ ^ Z^0^ ^ Z^1^^ Z^2^l@^Z^3^^Z^4^@^Z^5^^Z^6^^Z^8General Electric^^Z^9ATB7^̞@^Z^:^$?^Z^=ifThese units were put in at a time when seismic awareness was low and only standard CBs were available.^^Z^>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.^Tٸ^Z^?The gaskets on the 2 interrupter head bushings that were connected to each other blew. Porcelain part of high pressure air supply broke. Support column containing CT failed.^^Z^@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.^^Z^Firm^^Z^<^^Z^Yes^^Z^7^^Z^B^ Z@^Z^C^ ^Z^D^!^ Z^A^"^!Z^E_h^"Z_SS#9_t _Z_$ Undamaged_@_Z_&__Z_'Circuit Breaker CB_h _Z_;CB14__Z_( Live Tank__Z_)__Z_+__Z_,_ _Z_-_ _ Z_._ _ Z_/_ _ Z_0_ _ Z_1__ Z_2_l@_Z_3__Z_4_@_Z_5__Z_6__Z_8General Electric_\ _Z_9ATB7_̞@_Z_:__Z_=Same as for damaged units_( _Z_>Same as for damaged units__Z_?__Z_@_ _Z_Firm__Z_<__Z_Yes__Z_7__Z_B_ Z@_Z_C_ _Z_D_!_ Z_A_"_!Z_ED(lH26,KM <8wuw7`#a#b#c#d#e#f#g#h#i#j#k#l#m#n#o#p#q#r#s#t#u#v#w#x#y#z#{#|#}#~##`_"Z`SS#9`h `Z`$ Damage`?`Z`&` `Z`'Disconnect Switch DS``Z`;DS2``Z`(``Z`)``Z`+``Z`,` `Z`-` ` Z`.` ` Z`/`  ` Z`0Vertical Swing` ` Z`1`` Z`2`l@`Z`3``Z`4``Z`5``Z`6``Z`8` `Z`9 low design``Z`:``Z`=``Z`>?󾱰<`h`Z`Yes``Z`7``Z`B` Z@`Z`C` `Z`D`!` Z`A`"`!Z`Eax`"ZaSS#9aaZa$ Undamageda@S@aZa&a< aZa'Disconnect Switch DSa,aZa;DS2aaZa(aaZa)aaZa+aaZa,a aZa-a a Za.a a Za/a  a Za0Vertical Swinga a Za1aa Za2al@aZa3aaZa4aaZa5aaZa6aaZa8a aZa9 low designaaZa:aaZa=aaZa>?󾱰<aaZaYesaaZa7aaZaBa @aZaCa aZaDa!a ZaAa"a!ZaEba"ZbSS#9b<bZb$ Undamagedb8@bZb&b bZb'Lightning Arrester LAbbZb;LA1bbZb(bbZb)bbZb+ Low DesignbbZb,b bZb-b b Zb.b b Zb/b b Zb0b b Zb1bb Zb2bl@bZb3bbZb4bbZb5bbZb6bbZb8bbZb9bbZb:bbZb=bbZb>?󾱰<bbZbYesbbZb7bbZbBb @bZbCb bZbDb!b ZbAb"b!ZbEcb"ZcSS#9ccZc$ Damagedc?cZc&ccZc'Transformer TRctcZc;TR2ccZc(c cZc)Large Rad/ManifccZc+ccZc,c cZc-c c Zc.c c Zc/c c Zc0c c Zc1cc Zc2ck@cZc3ccZc4ccZc5ccZc6ccZc8cxcZc9 three phaseccZc:ccZc=c\cZc> Well anchoredccZc?85Minor oil leak at top connection of radiator to tank.ccZc@ccZcFirmccZc<cXcZcYesccZc7c_@cZcBc Z@cZcCc cZcDc!c ZcAc"c!ZcEdc"ZdSS#9d dZd$ Undamagedd@dZd&d<dZd'Transformer TRd8dZd;TR2ddZd(ddZd)Large Rad/ManifddZd+ddZd,d dZd-d d Zd.d d Zd/d d Zd0d d Zd1dd Zd2dk@dZd3ddZd4ddZd5ddZd6ddZd8ddZd9 three phaseddZd:ddZd=ddZd> Well anchoredddZd?ddZd@ddZdFirmddZd<ddZdYesddZd7d@_@dZdBd Z@dZdCd dZdDd!d ZdAd"d!ZdEed"ZeSS#1eeZe$ UndamagedeO@eZe&eeZe'Circuit Breaker CBe,eZe;CB20eeZe( Dead TankeeZe)eeZe+eeZe,e eZe-e e Ze.e e Ze/e e Ze0e e Ze1ee Ze2el@eZe3eeZe4eeZe5eeZe6eeZe8eeZe9SF-6eeZe:eeZe=eeZe>eeZe?eeZe@eeZeQuaternary formation - soileeZe<eeZeYeseeZe7eeZeBe @eZeCe eZeDe!e ZeAe"e!ZeEf e"ZfSS#1f,fZf$ Damagedf?fZf&f<fZf'Circuit Breaker CBfdfZf;CB9flfZf( Live TankffZf)ffZf+ffZf,f fZf-f f Zf.f f Zf/f f Zf0f f Zf1ff Zf2fl@fZf3ffZf4ffZf5ffZf6ffZf8General ElectricffZf9ATB4ffZf:ffZf=ffZf>fpfZf?CT leak on C phaseffZf@Completed 10/2.87 @ 0339fhfZfQuaternary formation - soilffZf<fHfZfYesffZf7ffZfBf ]@fZfCf fZfDf!f ZfAf"f!ZfEgf"ZgSS#1ggZg$ Damagedg?gZg&ggZg'Circuit Breaker CBggZg;CB9ggZg( Live TankggZg)ggZg+ggZg,g gZg-g g Zg.g g Zg/g g Zg0g g Zg1gg Zg2gl@gZg3ggZg4ggZg5ggZg6gLgZg8General Electric?ggZg9ATB4?ggZg:ggZg=ggZg> middle phaseggZg?Leaking nin-CT columnggZg@@=Completed 10/5/87 @ 1200. Note that it was after aftershock.ggZgQuaternary formation - soilggZg<ggZgYesggZg7ggZgBg ]@gZgCg gZgDg!g ZgAg"g!ZgEh0g"ZhSS#1hhZh$ Undamagedh$@hZh&hLhZh'Circuit Breaker CBhhZh;CB9h|hZh( Live TankhhZh)hhZh+hhZh,h hZh-h h Zh.h h Zh/h h Zh0h h Zh1hh Zh2hl@hZh3hhZh4hhZh5hhZh6hhZh8General ElectrichhZh9 ATB 4-6hhZh:hhZh=hhZh>hhZh?hhZh@hxhZhQuaternary formation - soilhhZh<h hZhYeshhZh7hhZhBh @hZhCh hZhDh!h ZhAh"h!ZhEih"ZiSS#1iliZi$ Undamagedib@iZi&i@iZi'Disconnect Switch DSiiZi;DS3iiZi(iiZi)iiZi+iiZi,i iZi-i i Zi.i i Zi/i (i Zi0 Horizontali i Zi1ii Zi2il@iZi3iiZi4iiZi5iiZi6iiZi8iiZi9iiZi:iiZi=iiZi>iiZi?iiZi@iiZiQuaternary formation - soiliiZi<i\iZiYesiiZi7iiZiBi @iZiCi iZiDi!i ZiAi"i!ZiEjPi"ZjSS#1jljZj$ Undamagedj8@jZj&jjZj'Lightning Arrester LAjjZj;LA1jjZj(jjZj)jjZj+jjZj,j jZj-j j Zj.j j Zj/j j Zj0j j Zj1jj Zj2jl@jZj3jjZj4jjZj5jjZj6jjZj8jjZj9jjZj:jjZj=jjZj>jjZj?jjZj@jjZjQuaternary formation - soiljjZj<jjZjYesjjZj7jjZjBj @jZjCj jZjDj!j ZjAj"j!ZjEkj"ZkSS#1kkZk$ Undamagedk@kZk&ktkZk'Transformer TRk$kZk;TR1kkZk(khkZk)UnitkkZk+kkZk,k kZk-k k Zk.k k Zk/k k Zk0k k Zk1kk Zk2kl@kZk3k,@kZk4kkZk5kkZk6kkZk8k@kZk9single phase, unitkkZk:kkZk=kkZk>kkZk?kkZk@k kZkQuaternary formation - soilkkZk<klkZkYeskkZk7kkZkBk @kZkCk kZkDk!k ZkAk"k!ZkEl`k"ZlSS#1l|lZl$ Undamagedl@lZl&llZl'Transformer TRllZl;TR1llZl(llZl)llZl+llZl,l lZl-l l Zl.l l Zl/l l Zl0l l Zl1ll Zl2ll@lZl3lP@lZl4llZl5llZl6llZl8llZl9 single phasellZl:llZl=llZl>llZl?llZl@llZlQuaternary formation - soilllZl<llZlYesllZl7llZlBl @lZlCl lZlDl!l ZlAl"l!ZlEml"ZmSS#1mmZm$ Damagedm?mZm&mlmZm'Transformer TRm4mZm;TR1mmZm(mmZm)mmZm+mmZm,m mZm-m m Zm.m m Zm/m m Zm0m m Zm1mm Zm2ml@mZm3mP@mZm4mmZm5mmZm6mmZm8mPmZm9 single phasemmZm:mmZm=mmZm>m\mZm?*'nitrogen leak due to ruptured diaphram.m(mZm@Completed 10/2/87 @ 0607.m0mZmQuaternary formation - soilmmZm<m|mZmYesmmZm7mmZmBm ]@mZmCm mZmDm!m ZmAm"m!ZmEnpm"ZnSS#1nnZn$ Undamagedn@nZn&nnZn'Transformer TRnnZn;TR2nnZn(nnZn)UnitnnZn+nnZn,n nZn-n n Zn.n n Zn/n n Zn0n n Zn1nn Zn2nl@nZn3n,@nZn4nnZn5nnZn6nnZn8nnZn9three phase, unitnnZn:nnZn=nnZn>nnZn?nnZn@nnZnQuaternary formation - soilnnZn<n nZnYesnnZn7nnZnBn @nZnCn nZnDn!n ZnAn"n!ZnEon"ZoSS#4o oZo$ Undamagedo1@oZo&o oZo'Circuit Breaker CBo oZo;CB20oD oZo( Dead TankooZo)ooZo+ooZo,o oZo-o o Zo.o o Zo/o o Zo0o o Zo1oo Zo2ol@oZo3ooZo4ooZo5ooZo6o oZo8Westinghouse and ITEo` oZo92300SF15000/20000-25ooZo:ooZo=ooZo>?< oZo'$Quaternary formation - soft alluviumooZo<ox oZoNoooZo7ooZoBo @oZoCo oZoDo!o ZoAo"o!ZoEp o"ZpSS#4p pZp$ Damagedp?pZp&p pZp'Circuit Breaker CBp0 pZp;CB20p pZp( Dead TankppZp)ppZp+ppZp,p pZp-p p Zp.p p Zp/p p Zp0p p Zp1pp Zp2pl@pZp3ppZp4ppZp5ppZp6p pZp8 Westinghousep pZp92300SF15000/20000-30ppZp:ppZp=ppZp>p pZp? not knownp pZp@to be replacedp pZp'$Quaternary formation - soft alluviumppZp<p pZpNoppZp7ppZpBp ]@pZpCp pZpDp!p ZpAp"p!ZpEq p"ZqSS#4q qZq$ Undamagedq2@qZq&q$ qZq'Circuit Breaker CBq qZq;CB20AqT qZq( Dead TankqqZq)qqZq+qqZq,q qZq-q q Zq.q q Zq/q q Zq0q q Zq1qq Zq2ql@qZq3qqZq4qqZq5qqZq6qp qZq8Allis Chalmersqh qZq9oilqqZq:qqZq=qqZq>qqZq?qqZq@qDqZq'$Quaternary formation - soft alluviumqqZq<q qZqNoqqZq7qqZqBq @qZqCq qZqDq!q ZqAq"q!ZqEr q"ZrSS#4r rZr$ Damagedr@rZr&r rZr'Circuit Breaker CBr rZr;CB9r rZr( Live TankrrZr)rrZr+rrZr,r rZr-r r Zr.r r Zr/r r Zr0r r Zr1rr Zr2rl@rZr3rrZr4rrZr5rrZr6r rZr8General Electricr rZr9ATB5 230-20000-5-20rrZr:rrZr=rrZr>rrZr?OLfunctional immediately after eq, EPRI report indicates all had leaking sealsrrZr@rrZr'$Quaternary formation - soft alluviumrrZr<rrZrNorrZr7rrZrBr @rZrCr rZrDr!r ZrAr"r!ZrEsr"ZsSS#4s$sZs$ Damageds?sZs&s4sZs'Circuit Breaker CBsxsZs;CB9sdsZs( Live TankssZs)ssZs+ssZs,s sZs-s s Zs.s s Zs/s s Zs0s s Zs1ss Zs2sl@sZs3ssZs4ssZs5ssZs6ssZs8General ElectricssZs9ATB5 230-20000-5-20ssZs:ssZs=ssZs>ssZs?porcelain column shattereds`sZs@ to be rebuiltshsZs'$Quaternary formation - soft alluviumssZs<ssZsNossZs7ssZsBs ]@sZsCs sZsDs!s ZsAs"s!ZsEts"ZtSS#4ttZt$ UndamagedtU@tZt&t<tZt'Disconnect Switch DSttZt;DS3ttZt(ttZt)ttZt+ttZt,t tZt-t t Zt.t t Zt/t $t Zt0 Horizontalt t Zt1tt Zt2tl@tZt3ttZt4ttZt5ttZt6ttZt8ttZt9ttZt:ttZt= frame mountedttZt>ttZt?ttZt@ttZt'$Quaternary formation - soft alluviumttZt<t tZtNottZt7ttZtBt @tZtCt tZtDt!t ZtAt"t!ZtEu(t"ZuSS#4uDuZu$ Undamagedu(@uZu&u|uZu'Lightning Arrester LAutuZu;LA1uuZu(uuZu)uuZu+uuZu,u uZu-u u Zu.u u Zu/u u Zu0u u Zu1uu Zu2ul@uZu3uuZu4uuZu5uuZu6uuZu8uuZu9uuZu:uuZu=uuZu>uuZu?uuZu@uuZu'$Quaternary formation - soft alluviumuuZu<uuZuNouuZu7uuZuBu @uZuCu uZuDu!u ZuAu"u!ZuEvu"ZvSS#4vvZv$ Undamagedv?vZv&vvZv'Transformer TRvvZv;TR2vvZv(vvZv)vvZv+vvZv,v vZv-v v Zv.v v Zv/v v Zv0v v Zv1vv Zv2vl@vZv3vP@vZv4vvZv5vvZv6vvZv8vvZv9 3 o sparevvZv:vvZv=JGrail mounted, steel strap welded to TR and bolted to concrete base matvvZv>vvZv?vvZv@v+vZv'$Quaternary formation - soft alluviumvvZv<v0vZvNovvZv7vvZvBv `@vZvCv vZvDv!v ZvAv"v!ZvEw8v"ZwSS#4wTwZw$ Undamagedw@wZw&wwZw'Transformer TRwwZw;TR1wwZw(wwZw)wwZw+wwZw,w wZw-w w Zw.w w Zw/w w Zw0w w Zw1ww Zw2wl@wZw3wP@wZw4wwZw5wwZw6wxwZw8Allis Chalmersw0wZw9%"1-0140-24784-1,-3;2-0102-9162-3, 7wwZw:wwZw=JGrail mounted, steel strap welded to TR and bolted to concrete base matwwZw>?<+wZw'$Quaternary formation - soft alluviumwwZw<wwZwNowwZw7wwZwBw ]@wZwCw wZwDw!w ZwAw"w!ZwExw"ZxSS#4xxZx$ Undamagedx?xZx&xxZx'Transformer TRx xZx;TR2xxZx(xxZx)xxZx+xxZx,x xZx-x x Zx.x x Zx/x x Zx0x x Zx1xx Zx2xl@xZx3xP@xZx4xxZx5xxZx6xxZx8General ElectricxxZx9 3o D572975xxZx:x(xZx=JGrail mounted, steel strap welded to TR and bolted to concrete base matxxZx>xxZx?xxZx@x)xZx'$Quaternary formation - soft alluviumxxZx<x@xZxNoxxZx7xxZxBx ]@xZxCx xZxDx!x ZxAx"x!ZxEyHx"ZySS#4yTyZy$ Damagedy?yZy&yxyZy'Transformer TRyyZy;TR2yyZy(yyZy)yyZy+yyZy,y yZy-y y Zy.y y Zy/y y Zy0y y Zy1yy Zy2yl@yZy3yP@yZy4yyZy5yyZy6y\yZy8 Pennsylvaniay@yZy9 3o 01823-5-1yyZy:yyZy=JGrail mounted, steel strap welded to TR and bolted to concrete base matyyZy>yt(yZy?,)Leaking 230 kV bushings. 2 or 3 bushingsy(yZy@/,Replaced "O" rings. Restored 11/2/87 @ 1630yyZy'$Quaternary formation - soft alluviumyyZy<yyZyNoyyZy7yyZyBy ]@yZyCy yZyDy!y ZyAy"y!ZyEzy"ZzSS#6zzZz$ Damagedz?zZz&zzZz'Circuit Breaker CBz0zZz;CB9zzZz( Live TankzzZz)zzZz+zzZz,z zZz-z z Zz.z z Zz/z z Zz0z z Zz1zz Zz2zl@zZz3zzZz4zzZz5zzZz6zdzZz8General Electricz8zZz9ATB5 230-20000-5-20zzZz:zzZz=zzZz>zDzZz?Leak in non-CT columnzzZz@Completed 10/3/87 @ 0227zzZzQuaternary formation - soilzzZz<zPzZzNozzZz7zzZzBz ]@zZzCz zZzDz!z ZzAz"z!ZzE{Xz"Z{SS#6{d{Z{$ Damaged{?{Z{&{t{Z{'Circuit Breaker CB{{Z{;CB9{{Z{( Live Tank{{Z{){{Z{+{{Z{,{ {Z{-{ { Z{.{ { Z{/{ { Z{0{ { Z{1{{ Z{2{l@{Z{3{{Z{4{{Z{5{{Z{6{{Z{8General Electric{{Z{9ATB5 230-20000-5-20{{Z{:{{Z{={{Z{>{ {Z{?Leak in non-CT column{{Z{@Completed 10/4/87 @ 1654{{Z{Quaternary formation - soil{{Z{<{{Z{No{{Z{7{{Z{B{ ]@{Z{C{ {Z{D{!{ Z{A{"{!Z{E|{"Z|SS#6||Z|$ Damaged|?|Z|&||Z|'Circuit Breaker CB|@|Z|;CB9|,|Z|( Live Tank||Z|)||Z|+||Z|,| |Z|-| | Z|.| | Z|/| | Z|0| | Z|1|| Z|2|l@|Z|3||Z|4||Z|5||Z|6||Z|8General Electric||Z|9ATB4||Z|:|H|Z|=63Written summary list ATB4 but data sheet gives W +M||Z|>| |Z|? 1 CT column| |Z|@IFCompleted 10/6/87 @ 2100. 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ZA"!ZE~"ZSS#23~Z$ Undamaged@Z&XZ'Lightning Arrester LA,Z;LA1Z(Z)@Z+ Low DesignZ, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@Z# Quaternary formation - firm soilZ<`ZNoZ7ZB ]@ZC ZD! ZA"!ZEt"ZSS#23Z$ Undamaged@Z&dZ'Transformer TRZ;TR2Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3P@Z4Z5Z6@Z8General ElectricZ93o D582895, D596229Z:Z=ЀZ># Welded to embedded steel on matsZ?Z@Z# Quaternary formation - firm soilZ<聸ZNoZ7ZB ]@ZC ZD! ZA"!ZE"ZSS#274Z$ Undamaged?Z& Z'Capacitor Racks CRZ;Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2(@Z3Z4Z5Z6Z8Z9Z:Z=XZ>How is it mounted?Z?Z@8ZQuaternary formation - soilZ<pZNoZ7ZB ]@ZC ZD! ZA"!ZE"ZSS#29Z$ Undamaged?Z&ăZ' Bus SupportZ;BSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2N@Z3Z4Z5Z6Z8Z9Z:Z=Z>腸Z?.+4 post insulators for bus supports damaged.Z@Replaced 10/3/87 @ 2010Z!Tertiary formation - soft rockZ<ZNoZ7ZB ]@ZC ZD! ZA"!ZEDlZ " 9 1zH################################ "ZSS#30Z$ Undamaged5@Z&Z'Circuit Breaker CBZ;CB20ALZ( Dead TankZ)Z+Z, Z-  Z.  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Z/  Z0  Z1 Z2l@Z3P@Z4Z5Z6Z8 WestinghouselZ9220000-072000 506668, -9Z:Z=Z>/,anchored by gussets welded to embedded steelZ?,)functional, oil leaks at radiator flange.Z@ZQuaternary formation - soilZ<0ZYesZ7`g@ZB ]@ZC ZD! ZA"!ZEL"ZSS#30<Z$ Damaged@Z&LZ'Transformer TR|Z;TR1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3P@Z4Z5Z60Z8 WestinghouseZ9 220000-072000 5069946, -7, -8Z:Z=Z>/,anchored by gussets welded to embedded steeltZ?,)functional, oil leaks at radiator flange.Z@xZQuaternary formation - soilZ<ZYesZ7ZB ]@ZC ZD! ZA"!ZEԏ"ZSS#32ďZ$ Damaged?Z&HZ'Lightning Arrester LAZ;LAZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2N@Z3Z4Z5Z6Z8Z9Z:Z= Z>How is it mounted?Z?XUFailure of porcelain. What voltage. What is significance of "Painted Bushing Cap"?Z@ZQuaternary formation - soilZ<8ZNoZ7ZB ]@ZC ZD! ZA"!ZEL"ZSS#32\Z$ UndamagedZ&БZ'Lightning Arrester LAZ;LAZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2N@Z3Z4Z5Z6Z8Z9Z:Z=Z>How is it mounted?,Z?DA. What voltage. What is significance of "Painted Bushing Cap"?Z@ZQuaternary formation - soilZ<ZNoZ7ZB ]@ZC ZD! ZA"!ZE䒸"ZSS#42ԒZ$ Damaged?Z&Z' Bus Support Z;BSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?0-Fitting on transfer bus broke?, What voltage?Z@ZQuaternary formation - soilZ<HZNoZ7ZB ]@ZC ZD! ZA"!ZEl"ZSS#43\Z$ Damaged?Z&ܔZ'Transformer TRZ;TRZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2N@Z3Z4Z5Z6Z8Z9Z:Z=What type of TR?Z>tZ?Leaking 66 kV bushing.Z@ZQuaternary formation - soilZ<ЕZNoZ7ZB ]@ZC ZD! ZA"!ZEh"ZSS#46䕸Z$ Damaged?Z&Z'Circuit Breaker CB\Z;CB20A$Z( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z68Z8Need manufacturerZ9Z:Z=Z>藸Z?Leaking bushingsDָZ@Can be restored by 10/3 23:55 (2 Days 16 hrs). 1200 amp bushing was used instead of 1600 amp bushing as spare was not available. ZQuaternary formation - soilZ<XZNoZ7h@ZB ]@ZC ZD! ZA"!ZEl"ZSS#46ԗZ$ Undamaged7@Z&|Z'Circuit Breaker CBȗZ;CB20AZ( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8oilZ9Z:Z=Z>Z?Z@ZQuaternary formation - soilZ<ZNoZ7ZB @ZC ZD! ZA"!ZE"ZSS#46Z$ UndamagedL@Z&xZ'Disconnect Switch DS4Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ H Z0Horizontal - Low Design  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@0ZQuaternary formation - soilZ<hZNoZ7ZB @ZC ZD! ZA"!ZE|"ZSS#46Z$ Undamaged"@Z& Z'Lightning Arrester LAZ;LA1Z(Z)Z+ Low DesignZ, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=ؚZ>How were LA installed?Z?Z@ZQuaternary formation - soilZ<ZNoZ7ZB @ZC ZD! ZA"!ZE"ZSS#46Z$ Damaged?Z& Z'Transformer TRDZ;TR2Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3N@Z4Z5Z6Z8Z9 three phaseZ:`Z=LIWhat type of TR: Radiator size and mounting, LA mounting, No. of Phases?Z>ĪZ?What was damage to bushings? Z@OLThere was not disruption of service due to bushing damage. Was it repaired?@ZQuaternary formation - soilZ<xZNoZ7ZB ]@ZC ZD! ZA"!ZE"ZSS#46Z$ Undamaged@Z&Z'Transformer TR̝Z;TR2Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3N@Z4Z5Z6Z8蝸Z9 three phaseZ:Z=Z>Z?Z@ȞZQuaternary formation - soilZ<ZNoZ7ZB @ZC ZD! ZA"!ZE"ZSS#3Z$ Damaged?Z&Z'Lightning Arrester LATZ;LA1Z(Z)Z+ TR Boom MountZ, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:pZ=XUThe boom was moderate length and had small gussets to stiffen the boom-TR connection.0ոZ>Installed on three porcelain standoffs. There was almost no slack between bushing and LA and between LA and bus support column.TZ?:7Cracked at base. Hinge is consistent with pull on bus.Z@PZQuaternary formation - soilZ<ZNoZ7`w@ZB @ZC ZD! ZA"!ZE"ZSS#3Z$ Undamaged4@Z&4Z'Lightning Arrester LAܠZ;LA1Z(Z)Z+ TR Boom MountZ, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=XUThe boom was moderate length and had small gussets to stiffen the boom-TR connection.,ԸZ>Installed on three porcelain standoffs. There was almost no slack between bushing and LA and between LA and bus support column.Z?Z@ءZQuaternary formation - soilZ<ZNoZ7pw@ZB @ZC ZD! ZA"!ZE"ZSS#3$Z$ Damaged@Z&Z'Transformer TRdZ;TR2Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6袸Z8 HitachiZ9Z:Z=633-phase, Bushings mounted on top of tall cylinders.Z>lҸZ?Three of the six bushings leaked, were leaking and had to be removed to restore. 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ZA"!ZET"ZSS#31DZ$ Damaged.@Z&TZ'Circuit Breaker CBHZ;CB14Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6$Z8General ElectricZ9ATB7Z:Z==:See TCLEE Mongraph 8, some equipment missing from drawingsZ>Z?Z@ZQuaternary formation - soilZ<ZYesZ7ZB @ZC ZD! ZA"!ZE"ZSS#31̩Z$ DamagedZ&ܩZ'Circuit Breaker CBZ;CB20 Z( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9SF-6Z:(Z==:See TCLEE Mongraph 8, some equipment missing from drawingsZ>Z?Z@ZQuaternary formation - soilZ<HZYesZ7ZB @ZC ZD! ZA"!ZET"ZSS#31@Z$ UndamagedF@Z&dZ'Circuit Breaker CB4Z;CB20Z( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8(Z9SF-6Z:Z==:See TCLEE Mongraph 8, some equipment missing from drawingsZ>Z?Z@ZQuaternary formation - soilZ<ЬZYesZ7ZB @ZC ZD! ZA"!ZE䭸"ZSS#31ܬZ$ Damaged@Z&쬸Z'Circuit Breaker CB0Z;CB9Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8General ElectricZ9 ATB 4-6Z:8Z==:See TCLEE Mongraph 8, some equipment missing from drawingsZ>Z?Z@ZQuaternary formation - soilZ<XZYesZ7ZB @ZC ZD! ZA"!ZEd"ZSS#31lZ$ Undamaged@Z&tZ'Circuit Breaker CBZ;CB9Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6HZ8General Electric8Z9 ATB 4-6Z:Z==:See TCLEE Mongraph 8, some equipment missing from drawingsZ>Z?Z@ZQuaternary formation - soilZ<௸ZYesZ7ZB @ZC ZD! ZA"!ZE"ZSS#31쯸Z$ Damaged3@Z&4Z'Current-Voltage Transformer,Z;CC1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@(ZQuaternary formation - soilZ<hZYesZ7ZB @@ZC ZD! ZA"!ZEt"ZSS#31Z$ Undamaged:@Z&Z'Current-Voltage TransformerZ;CC1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ZQuaternary formation - soilZ<ZYesZ7ZB @@ZC ZD! ZA"!ZE "ZSS#31Z$ DamagedR@Z&Z'Disconnect Switch DS<Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ P Z0Horizontal - Low Design  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>4Z?only required adjustmentZ@8ZQuaternary formation - soilZ<xZYesZ7ZB @ZC ZD! ZA"!ZE"ZSS#31Z$ DamagedE@Z&Z'Disconnect Switch DSĴZ;DS3Z(Z)Z+Z, Z-  Z.  Z/ ش Z0Horizontal - Low Design  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>(Z?visibly damagedZ@ZQuaternary formation - soilZ<ZYesZ7ZB @ZC ZD! ZA"!ZEDˬlEL}bP  "q `IKbd+################################"ZSS#31 Z$ Damaged5@Z&Z'Disconnect Switch DSLZ;DS3Z(Z)Z+Z, Z-  Z.  Z/ ` Z0Horizontal - Low Design  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?seriously damagedZ@HZQuaternary formation - soilZ<ZYesZ7ZB @ZC ZD! ZA"!ZE"ZSS#31Z$ DamagedZ&Z'Potential Trans. PTԷZ;PT1Z(Z)Z+Z, Z- 跸 Z. Low Seismic  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@иZQuaternary formation - soilZ<ZYesZ7ZB @ZC ZD! ZA"!ZE"ZSS#31,Z$ Undamaged@Z&Z'Potential Trans. PT\Z;PT1Z(Z)Z+Z, Z- p Z. Low Seismic  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@XZQuaternary formation - soilZ<ZYesZ7ZB @ZC ZD! ZA"!ZE"ZSS#31Z$ DamagedZ&캸Z' Wave Trap WT亸Z;WT1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@໸ZQuaternary formation - soilZ< ZYesZ7ZB @@ZC ZD! ZA"!ZE,"ZSS#31<Z$ Undamaged*@Z&tZ' Wave Trap WTlZ;WT1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@hZQuaternary formation - soilZ<ZYesZ7ZB @@ZC ZD! ZA"!ZE"ZSS#34Z$ DamagedZ&ĽZ'Circuit Breaker CBZ;CB20Z( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8 MitsubishiZ9SF6Z:Z=:7Qualified by a 0.5g 10 cycle sine-beat shake table testZ>Z?Z@@Z!Tertiary formation - soft rockZ<0ZYesZ7ZB @@ZC ZD! ZA"!ZE<"ZSS#34,Z$ UndamagedU@Z&LZ'Circuit Breaker CB Z;CB20|Z( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8 MitsubishiZ9SF6Z:Z=:7Qualified by a 0.5g 10 cycle sine-beat shake table testZ>Z?Z@DZ!Tertiary formation - soft rockZ<ZYesZ7ZB @@ZC ZD! ZA"!ZE"ZSS#34Z$ Damaged,@Z& Z'Current-Voltage TransformerZ;CC1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@¸Z!Tertiary formation - soft rockZ<@¸ZYesZ7ZB @@ZC ZD! ZA"!ZEL¸"ZSS#34\¸Z$ UndamagedD@Z&¸Z'Current-Voltage Transformer¸Z;CC1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ĸZ!Tertiary formation - soft rockZ<øZYesZ7ZB @@ZC ZD! ZA"!ZEø"ZSS#34øZ$ Damaged?Z&dĸZ'Current-Voltage TransformerĸZ;CC5Z(Z)Z+Z, HĸZ- Post Mounted  Z.  Z/  Z0  Z1(ĸ Z2Bank H, A phase@@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@4ƸZ!Tertiary formation - soft rockZ<PŸZYesZ7ZB @@ZC ZD! ZA"!ZElŸ"ZSS#34\ŸZ$ Damaged?Z&ŸZ'Current-Voltage TransformerŸZ;CC5Z(Z)Z+Z, ŸZ- Post Mounted  Z.  Z/  Z0  Z1Ÿ Z2Banks G1 & G2, A phase@@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ǸZ!Tertiary formation - soft rockZ<ƸZYesZ7ZB @@ZC ZD! ZA"!ZEƸ"ZSS#34ƸZ$ Damaged?Z&ǸZ'Current-Voltage Transformer$ǸZ;CC5Z(Z)Z+Z, hǸZ- Post Mounted  Z.  Z/  Z0  Z18Ǹ Z2Banks G1 & G2, B phase@@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ɸZ!Tertiary formation - soft rockZ<`ȸZYesZ7ZB @@ZC ZD! ZA"!ZElȸ"ZSS#34|ȸZ$ Undamaged@Z&ȸZ'Current-Voltage TransformerȸZ;CC5Z(Z)Z+Z, ȸZ- Post Mounted  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@,˸Z!Tertiary formation - soft rockZ<ɸZYesZ7ZB @@ZC ZD! ZA"!ZEʸ"ZSS#34ɸZ$ Damaged?Z&˸Z'Disconnect Switch DS4ʸZ;DS1Z(Z)Z+Z, Z-  Z.  Z/ ʸ Z0Vertical Swing  Z1ʸ Z2Bank H, C phase@@Z3Z4Z5Z6Z8Z9Z:PʸZ=:7Qualified by a 0.5g 10 cycle sine-beat shake table testZ>ѸZ?b_2 columns failed at base, Damage caused by interaction from adjacent equipment, pull over by WTZ@̸Z!Tertiary formation - soft rockZ<p˸ZYesZ7ZB @@ZC ZD! ZA"!ZE˸"ZSS#34|˸Z$ Damaged?Z&̸Z'Disconnect Switch DS˸Z;DS1Z(Z)Z+Z, Z-  Z.  Z/ h̸ Z0Vertical Swing  Z1H̸ Z2Bank H, B phase@@Z3Z4Z5Z6Z8Z9Z:˸Z=:7Qualified by a 0.5g 10 cycle sine-beat shake table testZ>$иZ?c`1 column failed at base, Damage caused by interaction from adjacent equipment, pulled over by WTZ@<θZ!Tertiary formation - soft rockZ≮ZYesZ7ZB @@ZC ZD! ZA"!ZE͸"ZSS#34͸Z$ Damaged?Z&θZ'Disconnect Switch DSD͸Z;DS1Z(Z)Z+Z, Z-  Z.  Z/ ͸ Z0Vertical Swing  Z1͸ Z2Bank H, A phase@@Z3Z4Z5Z6Z8Z9Z:`͸Z=:7Qualified by a 0.5g 10 cycle sine-beat shake table testZ>θZ?da2 columns failed at base, Damage caused by interaction from adjacent equipment, pulled over by WTZ@?Z!Tertiary formation - soft rockZ<\0ZYesZ7ZB @@ZC ZD! ZA"!ZE2"ZSS#34θZ$ Damaged?Z&`?Z'Disconnect Switch DS/Z;DS1Z(Z)Z+Z, Z-  Z.  Z/ Z=Dynamic Analysisl>>?<Tripod Support, Center Break, picture page 32 ASCE reference<>Z?both tripods failedZ@=Z!Tertiary formation - soft rockZ<-ZYesZ7ZB @@ZC ZD! 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Z2 Banks G1 & G2@@Z3Z4Z5Z6Z8Z9Z:8Z=Dynamic Analysish8Z>?<Tripod Support, Center Break, picture page 32 ASCE referenceZ?Z@7Z!Tertiary formation - soft rockZ<%ZYesZ7ZB @@ZC ZD! ZA"!ZE("ZSS#344ָZ$ Damaged@Z&7Z'Disconnect Switch DS$Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ 6 Z0Horizontal Swing  Z15 Z2E22, phase B, Cl@Z3Z4Z5Z63Z8Southern StatesZ9Z:1Z=!Center break, sine beat tested1Z>heavily braced support0Z?$!1 column failed, see page 56 ASCEZ@/Z!Tertiary formation - soft rockZ<\$ZYesZ7ZB @@ZC ZD! ZA"!ZE'"ZSS#34׸Z$ Damaged@Z&/Z'Disconnect Switch DS<#Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ x/ Z0Horizontal Swing  Z1. Z2E2A, phase A, Cl@Z3Z4Z5Z6Z8Z9Z:-Z= Center breakZ>\.Z?$!1 column failed, see page 56 ASCEZ@.Z!Tertiary formation - soft rockZ< #ZYesZ7ZB @@ZC ZD! ZA"!ZE@&"ZSS#34DٸZ$ Damaged@Z&-Z'Disconnect Switch DS"Z;DS3Z(Z)Z+Z, Z-  Z.  Z/ ,- Z0Horizontal Swing  Z1- Z2 E32, phase Cl@Z3Z4Z5Z6Z8Z9Z:,Z= Center breakZ>Z?Z@,Z!Tertiary formation - soft rockZ<!ZYesZ7ZB @@ZC ZD! 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Z/  Z0  Z1 Z2 E42 phase Al@Z3Z4Z5Z6Z8Z9Z:Z=Z> Z?96failure of post insulator restraints, see page 57 ASCEZ@Z!Tertiary formation - soft rockZ<ZYesZ7ZB @@ZC ZD! ZA"!ZEt"ZSS#34Z$ Damaged?Z&XZ' Wave Trap WTPZ;WT1Z(Z)Z+$Z,Vertically Suspended Z-  Z.  Z/  Z0  Z1  Z2 E52 phase Al@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?96failure of post insulator restraints, see page 57 ASCEZ@Z!Tertiary formation - soft rockZ<,ZYesZ7ZB @@ZC ZD! ZA"!ZEH"ZSS#348Z$ Damaged @Z&Z' Wave Trap WTxZ;WT1Z(Z)Z+Z,Vertically Mounted Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?%"Failure of support post insulatorsZ@Z!Tertiary formation - soft rockZ<ZYesZ7ZB @@ZC ZD! ZA"!ZE"ZSS#34Z$ Damaged@Z&Z' Wave Trap WTZ;WT2Z(Z)Z+XZ,Vertically Suspended Z-  Z.  Z/  Z0  Z1< Z2 Bank G1 & G2@@Z3Z4Z5Z6Z8Z9Z:Z=Post restraintZ>Z?Z@Z!Tertiary formation - soft rockZ<<ZYesZ7ZB @@ZC ZD! ZA"!ZEH"ZSS#34XZ$ Undamaged@Z&Z' Wave Trap WTZ;WT1Z(Z)Z+Z,Vertically Mounted Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@Z!Tertiary formation - soft rockZ<ZYesZ7ZB @@ZC ZD! ZA"!ZE"ZSS#34Z$ Undamaged@Z&Z' Wave Trap WTZ;WT2Z(Z)Z+\Z,Vertically Suspended Z-  Z.  Z/  Z0  Z1L Z2 Bank H@@Z3Z4Z5Z6Z8Z9Z:,Z=Cable restraintZ>Z?Z@Z!Tertiary formation - soft rockZ<LZYesZ7ZB @@ZC ZD! ZA"!ZE"ZSS#35XZ$ DamagedZ&hZ'Circuit Breaker CBZ;CB20AZ( Bulk OilZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ZQuaternary formation - soilZ<ZYesZ7ZB @@ZC ZD! ZA"!ZE"ZSS#35H Z$ Undamaged\@Z&Z'Circuit Breaker CB Z;CB20A4 Z( Bulk OilZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ ZQuaternary formation - soilZ<\ ZYesZ7ZB @@ZC ZD! ZA"!ZEx "ZSS#35h Z$ DamagedZ& Z'Current-Voltage Transformer Z;CC1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ ZQuaternary formation - soilZ< ZYesZ7ZB @@ZC ZD! ZA"!ZE "ZSS#35 Z$ Undamaged;@Z&8 Z'Current-Voltage Transformer0 Z;CC1Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@, ZQuaternary formation - soilZ<l ZYesZ7ZB @@ZC ZD! ZA"!ZE "ZSS#35x Z$ Damaged@Z& Z'Circuit Switcher CS Z;CS2Z(Z)Z+Z, Z-  Z.  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ZA"!ZE"ZSS#35Z$ Damaged@Z&Z'Lightning ArresterZ;LA1Z(Z)Z+TR Boom MountedZ, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ZQuaternary formation - soilZ<$ZYesZ7ZB @@ZC ZD! ZA"!ZEDlYyI0%'TSS+,)    #!#"###$#%#&#'#(#)#*#+#,#-#.#/#0#1#2#3#4#5#6#7#8#9#:#;#<#=#>#?# 0"Z SS#35  Z $ Undamaged 2@ Z & @ Z 'Lightning Arrester p Z ;LA1  Z (  Z )  Z +TR Boom Mounted  Z ,   Z -    Z .    Z /    Z 0    Z 1   Z 2 l@ Z 3  Z 4  Z 5  Z 6  Z 8  Z 9  Z :  Z =  Z >  Z ?  Z @ l Z Quaternary formation - soil  Z <  Z Yes  Z 7  Z B  @@ Z C   Z D !  Z A " !Z E! "Z!SS#35!!Z!$ Damaged!@!Z!&!!Z!'Lightning Arrester!!Z!;LA5!!Z!(!!Z!)! !Z!+Post-supported!!Z!,! !Z!-! ! Z!.! ! Z!/! ! Z!0! ! Z!1!! Z!2!@@!Z!3!!Z!4!!Z!5!!Z!6!!Z!8!!Z!9!!Z!:!!Z!=!!Z!>!!Z!?Failed at based of column!!Z!@!!Z!Quaternary formation - soil!!Z!<!4!Z!Yes!!Z!7!!Z!B! @@!Z!C! !Z!D!!! Z!A!"!!Z!E"@!"Z"SS#35""Z"$ Undamaged""Z"&"P"Z"'Lightning Arrester""Z";LA5""Z"(""Z")""Z"+Post-supported""Z"," "Z"-" " Z"." 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Post failed,,Z,@,+,Z,Quaternary formation - soil,,Z,<, ,,Z,Yes,,Z,7,,Z,B, @@,Z,C, ,Z,D,!, Z,A,",!Z,E-,,"Z-SS#35-(,-Z-$ Undamaged-@-Z-&-,-Z-' Wave Trap WT-X,-Z-;WT1--Z-(--Z-)--Z-+-l,-Z-,Supported on DS frame- -Z--- - Z-.- - Z-/- - Z-0- - Z-1-- Z-2-l@-Z-3--Z-4--Z-5--Z-6--Z-8--Z-9--Z-:--Z-=--Z->--Z-?--Z-@-T--Z-Quaternary formation - soil--Z-<---Z-Yes--Z-7--Z-B- @@-Z-C- -Z-D-!- Z-A-"-!Z-E.--"Z.SS#35.-.Z.$ Damaged..Z.&.-.Z.' Pothead.-.Z.;PH..Z.(..Z.)..Z.+..Z.,. .Z.-. . Z... . Z./. . Z.0. . Z.1.. Z.2.l@.Z.3..Z.4..Z.5..Z.6..Z.8..Z.9..Z.:..Z.=..Z.>..Z.?..Z.@...Z.Quaternary formation - soil..Z.<./.Z.Yes..Z.7..Z.B. @@.Z.C. .Z.D.!. Z.A.".!Z.E/(/."Z/SS#35/8//Z/$ Undamaged/"@/Z/&/h//Z/' Pothead/`//Z/;PH//Z/(//Z/)//Z/+//Z/,/ /Z/-/ / Z/./ / Z/// / Z/0/ / Z/1// Z/2/l@/Z/3//Z/4//Z/5//Z/6//Z/8//Z/9//Z/://Z/=//Z/>//Z/?//Z/@/d0/Z/Quaternary formation - soil//Z/</0/Z/Yes//Z/7//Z/B/ @@/Z/C/ /Z/D/!/ Z/A/"/!Z/E00/"Z0SS#36010Z0$ Undamaged0R@0Z0&000Z0'Circuit Breaker CB000Z0;CB20A0|10Z0( Bulk Oil00Z0)00Z0+00Z0,0 0Z0-0 0 Z0.0 0 Z0/0 0 Z000 0 Z0100 Z020l@0Z0300Z0400Z0500Z0600Z0800Z0900Z0:00Z0=0 10Z0>96Most units are anchored with bolts through skid frame.070Z0?b_Some units showed signs of distress in the anchore bolts, that is, chipped paint or bent bolts.00Z0@0@60Z0!Tertiary formation - soft rock00Z0<0$20Z0No00Z0700u@0Z0B0 `@0Z0C0 0Z0D0!0 Z0A0"0!Z0E1820"Z1SS#361H21Z1$ Undamaged1 @1Z1&161Z1'Coupling Voltage Trans. CVT1x21Z1;CC111Z1(11Z1)11Z1+11Z1,1 `31Z1-on structure with WT1 1 Z1.1 1 Z1/1 1 Z101 1 Z1111 Z121l@1Z1311Z1411Z1511Z1611Z1811Z1911Z1:141Z1=FCTotal number of CCVTs disagrees with number in TCLEE report page 61121Z1>heNote that these units are supported on a beam spanning 2 DS rather than on its own support sturcture.11Z1?11Z1@1@41Z1!Tertiary formation - soft rock11Z1<131Z1No11Z171pu@1Z1B1 `@1Z1C1 1Z1D1!1 Z1A1"1!Z1E231"Z2SS#36232Z2$ Undamaged2,@2Z2&242Z2'Coupling Voltage Trans. CVT242Z2;CC122Z2(22Z2)22Z2+22Z2,2 2Z2-2 2 Z2.2 2 Z2/2 2 Z202 2 Z2122 Z222l@2Z2322Z2422Z2522Z2622Z2822Z2922Z2:22Z2=22Z2>22Z2?22Z2@252Z2!Tertiary formation - soft rock22Z2<2452Z2No22Z272u@2Z2B2 `@2Z2C2 2Z2D2!2 Z2A2"2!Z2E3H52"Z3SS#363X53Z3$ Undamaged3@3Z3&353Z3'Coupling Voltage Trans. CVT353Z3;CC133Z3(33Z3)33Z3+33Z3,3 3Z3-3 3 Z3.3 3 Z3/3 3 Z303 3 Z3133 Z323l@3Z3333Z3433Z3533Z3633Z3833Z3933Z3:33Z3=33Z3>33Z3?33Z3@363Z3!Tertiary formation - soft rock33Z3<363Z3No33Z373u@3Z3B3 `@3Z3C3 3Z3D3!3 Z3A3"3!Z3E43"Z4SS#3644Z4$ Undamaged4@4Z4&4p4Z4'Potential Transformer PT4h4Z4;PT144Z4(44Z4)44Z4+44Z4,4 4Z4-4 4 Z4.4 4 Z4/4 4 Z404 4 Z4144 Z424l@4Z4344Z4444Z4544Z4644Z4844Z4944Z4:44Z4=44Z4>44Z4?44Z4@4(4Z4!Tertiary formation - soft rock44Z4<4D84Z4No44Z4744Z4B4 @4Z4C4 4Z4D4!4 Z4A4"4!Z4E54"Z5SS#365X85Z5$ Damaged5?5Z5&55Z5'Disconnect Switch DS55Z5;DS255Z5(55Z5)55Z5+55Z5,5 5Z5-5 5 Z5.5 5 Z5/5 5 Z50Horizontal Swing5 5 Z5155 Z52 E1, Aphase5l@5Z5355Z5455Z5555Z5655Z5855Z5955Z5:5 5Z5=Center break, Units supported on four columns with diagonal brace in plane of switch. Pict 10-3. Note that a rigid bus connects the Bus 1 and Bus 2 Positions in all positions except the bank positions, where most failures occurred.55Z5>5 5Z5?Both support columns failed.55Z5@5X 5Z5!Tertiary formation - soft rock55Z5<595Z5No55Z575u@5Z5B5 `@5Z5C5 5Z5D5!5 Z5A5"5!Z5E6L 5"Z6SS#36696Z6$ Damaged6@6Z6&6 6Z6'Disconnect Switch DS6 6Z6;DS266Z6(66Z6)66Z6+66Z6,6 6Z6-6 6 Z6.6 6 Z6/6  6 Z60Horizontal Swing6 6 Z616 6 Z62E1, A, B, C phase6l@6Z6366Z6466Z6566Z6666Z6866Z6966Z6:6 6Z6=Center break, Units supported on four columns with diagonal brace in plane of switch. Pict 10-3. Note that a rigid bus connects the Bus 1 and Bus 2 Positions in all positions except the bank positions, where most failures occurred.6| 6Z6>@=Note that a rigid bus connects the Bus 1 and Bus 2 Positions.66Z6?All of these failures were to the column that is connected by rigid bus to the adjacent switch. Note that these switches are braced in the direction of the rigid bus connection.66Z6@66Z6!Tertiary formation - soft rock66Z6<6T;6Z6No66Z676 u@6Z6B6 `@6Z6C6 6Z6D6!6 Z6A6"6!Z6E76"Z7SS#367h;7Z7$ Damaged7?7Z7&77Z7'Disconnect Switch DS77Z7;DS277Z7(77Z7)77Z7+77Z7,7 7Z7-7 7 Z7.7 7 Z7/7 p7 Z70Horizontal Swing7 7 Z717X7 Z72 E1, C phase7l@7Z7377Z7477Z7577Z7677Z7877Z7977Z7:77Z7=Center break, Units supported on four columns with diagonal brace in plane of switch. Pict 10-3. Note that a rigid bus connects the Bus 1 and Bus 2 Positions in all positions except the bank positions, where most failures occurred.7|7Z7> 7D7Z7?Both support columns failed77Z7@77Z7!Tertiary formation - soft rock77Z7<7<7Z7No77Z7777Z7B7 @7Z7C7 7Z7D7!7 Z7A7"7!Z7E87"Z8SS#368<8Z8$ Damaged8(@8Z8&88Z8'Disconnect Switch DS88Z8;DS288Z8(88Z8)88Z8+88Z8,8 8Z8-8 8 Z8.8 8 Z8/8 8 Z80Horizontal Swing8 8 Z8188 Z828l@8Z8388Z8488Z8588Z8688Z8888Z8988Z8:88Z8=Center break, Units supported on four columns with diagonal brace in plane of switch. Pict 10-3. Note that a rigid bus connects the Bus 1 and Bus 2 Positions in all positions except the bank positions, where most failures occurred.88Z8>88Z8?unknown failure mode88Z8@8\8Z8!Tertiary formation - soft rock88Z8<8d>8Z8No88Z8788Z8B8 @8Z8C8 8Z8D8!8 Z8A8"8!Z8E9P8"Z9SS#369<9Z9$ Undamaged9K@9Z9&99Z9'Disconnect Switch DS99Z9;DS299Z9(99Z9)99Z9+99Z9,9 9Z9-9 9 Z9.9 9 Z9/9 9 Z90Horizontal Swing9 9 Z9199 Z929l@9Z9399Z9499Z9599Z9699Z9899Z9999Z9:9 9Z9=Center break, Units supported on four columns with diagonal brace in plane of switch. Pict 10-3. Note that a rigid bus connects the Bus 1 and Bus 2 Positions in all positions except the bank positions, where most failures occurred.99Z9>9w9Z9?JGSome of these units have been damaged, but their position is not known.99Z9@9h9Z9!Tertiary formation - soft rock99Z9<9?9Z9No99Z979u@9Z9B9 `@9Z9C9 9Z9D9!9 Z9A9"9!Z9E:@9"Z:SS#36:@:Z:$ Damaged:@:Z:&:A:Z:'Lightning Arrester LA:@@:Z:;LA1::Z:(::Z:):@:Z:+TR Boom Mounted::Z:,: :Z:-: : Z:.: : Z:/: : Z:0: : Z:1:: Z:2:l@:Z:3::Z:4::Z:5::Z:6::Z:8::Z:9::Z:::@:Z:=Schematic on page 66 of ASCE:\@:Z:>)&LA bus connection to directly bushing.:)&LA bus connection to directly bushing.;B;Z;?1 failed at base of LA.;;Z;@; d;Z;!Tertiary formation - soft rock;;Z;<;B;Z;No;;Z;7;;Z;B; @;Z;C; ;Z;D;!; Z;A;";!Z;E< C;"Z<SS#36<C<Z<$ Damaged<@<Z<&< D<Z<'Lightning Arrester LA<PC<Z<;LA1<<Z<(<<Z<)<D<Z<+TR Boom Mounted<<Z<,< <Z<-< < Z<.< < Z</< < Z<0< < Z<1<< Z<2<l@<Z<3<<Z<4<<Z<5<<Z<6<<Z<8<<Z<9<<Z<:<C<Z<=Schematic on page 66 of ASCE<lC<Z<>.+LA bus connection not directly to bushings.<f<Z<?>;All LA failed but it is not known if there are standoffs. <<Z<@<a<Z<!Tertiary formation - soft rock<<Z<<<D<Z<No<<Z<7<<Z<B< @<Z<C< <Z<D<!< Z<A<"<!Z<E=D<"Z=SS#36=D=Z=$ Damaged=@=Z=&=E=Z='Lightning Arrester LA=D=Z=;LA1==Z=(==Z=)=E=Z=+TR Boom Mounted==Z=,= =Z=-= = Z=.= = Z=/= = Z=0= = Z=1== Z=2=l@=Z=3==Z=4==Z=5==Z=6==Z=8==Z=9==Z=:=LE=Z==Schematic on page 66 of ASCE=D=Z=>.+LA bus connection not directly to bushings.=Xb=Z=?>;All LA failed but it is not known if there are standoffs. ==Z=@=`=Z=!Tertiary formation - soft rock==Z=<= F=Z=No==Z=7==Z=B= @=Z=C= =Z=D=!= Z=A="=!Z=E> F="Z>SS#36>0F>Z>$ Undamaged>@>Z>&>0G>Z>'Lightning Arrester LA>`F>Z>;LA1>>Z>(>>Z>)>G>Z>+TR Boom Mounted>>Z>,> >Z>-> > Z>.> > Z>/> > Z>0> > Z>1>> Z>2>l@>Z>3>>Z>4>>Z>5>>Z>6>>Z>8>>Z>9>>Z>:>F>Z>=Schematic on page 66 of ASCE>|F>Z>>.+LA bus connection not directly to bushings.>>Z>?>>Z>@>^>Z>!Tertiary formation - soft rock>>><>G>Z>No>>Z>7>>Z>B> @>Z>C> >Z>D>!> Z>A>">!Z>E?G>"Z?SS#36?G?Z?$ Damaged???Z?&?H?Z?'Transformer TR?G?Z?;TR2??Z?(?H?Z?) Small Rad??Z?+??Z?,? ?Z?-? ? Z?.? ? Z?/? ? Z?0? ? Z?1?H? Z?2 Bank A?l@?Z?3?@A@?Z?4??Z?5??Z?6??Z?8?H?Z?9 3-phase??Z?:?TH?Z?=Schematic on page 66 of ASCE?H?Z?>)&LA bus connection to directly bushing.?k?Z??NKAll high voltage bushings moved. 2 LA failed at standoff, 1 at base of LA.??Z?@?]?Z?!Tertiary formation - soft rock??Z?<?I?Z?No??Z?7?u@?Z?B? `@?Z?C? ?Z?D?!? Z?A?"?!Z?EDɭl!7, 4Hvu^@#A#B#C#D#E#F#G#H#I#J#K#L#M#N#O#P#Q#R#S#T#U#V#W#X#Y#Z#[#\#]#^#_#@@I?"Z@SS#36@0I@Z@$ Damaged@?@Z@&@TJ@Z@'Transformer TR@pI@Z@;TR2@@Z@(@@J@Z@) Small Rad@@Z@+@@Z@,@ @Z@-@ @ Z@.@ @ Z@/@ @ Z@0@ @ Z@1@0J@ Z@2 Bank B@l@@Z@3@@A@@Z@4@@Z@5@@Z@6@@Z@8@ J@Z@9 3-phase@@Z@:@I@Z@=Schematic on page 66 of ASCE@I@Z@>.+LA bus connection not directly to bushings.@@Z@?All high voltage bushings moved. Also leaks in low voltage bushings. All LA failed but it is not known if there are standoffs. Anchor bolts stretched. There was a oil leak but it is not known if it is just the bushings.@@Z@@@K@Z@!Tertiary formation - soft rock@@Z@<@J@Z@No@@Z@7@u@@Z@B@ `@@Z@C@ @Z@D@!@ Z@A@"@!Z@EAJ@"ZASS#36AJAZA$ DamagedA?AZA&AKAZA'Transformer TRAJAZA;TR2AAZA(AKAZA) Small RadAAZA+AAZA,A AZA-A A ZA.A A ZA/A A ZA0A A ZA1AKA ZA2 Bank DAl@AZA3A@A@AZA4AAZA5AAZA6AAZA8AKAZA9 3-phaseAAZA:A\KAZA=Schematic on page 66 of ASCEAKAZA>&#LA bus connections not to bushings.AD_AZA?NKAll high voltage bushings moved. 1 LA failed at standoff, 2 at base of LA.AAZA@A]AZA!Tertiary formation - soft rockAAZA<A,LAZANoAAZA7Av@AZABA `@AZACA AZADA!A ZAAA"A!ZAEB@LA"ZBSS#36BPLBZB$ UndamagedB?BZB&BdMBZB'Transformer TRBLBZB;TR2BBZB(BPMBZB) Small RadBBZB+BBZB,B BZB-B B ZB.B B ZB/B B ZB0B B ZB1B@MB ZB2 Bank CBl@BZB3B@A@BZB4BBZB5BBZB6BBZB8B0MBZB9 3-phaseBBZB:BLBZB=Schematic on page 66 of ASCEBLBZB>.+LA bus connection not directly to bushings.B\BZB?*'It is not known if there are standoffs.BBZB@BNBZB!Tertiary formation - soft rockBBZB<BMBZBNoBBZB7Bu@BZBBB `@BZBCB BZBDB!B ZBAB"B!ZBECMB"ZCSS#36CMCZC$ UndamagedC?CZC&CNCZC' Wave Trap WTCNCZC;WT1CCZC(CCZC)CCZC+CNCZC, V. Dual PostC CZC-C C ZC.C C ZC/C C ZC0C C ZC1CC ZC2Cl@CZC3CCZC4CCZC5CCZC6CCZC8CCZC9CCZC:CCZC=C$NCZC>PMNote that this unit had the post insulators supported on a beam spanning 2 DSCh\CZC?(%Unit was tilting, but was functional.CCZC@C [CZC!Tertiary formation - soft rockCCZC<CzwNote that this unit had the post insulators supported on a beam spanning 2 DS rather than on its own support sturcture.DZDZD?=:Unit had to be removed and replaced, but damage not known.DDZD@DYDZD!Tertiary formation - soft rockDDZD<DPDZDNoDDZD7Du@DZDBD `@DZDCD DZDDD!D ZDAD"D!ZDEEPD"ZESS#36EPEZE$ UndamagedE@EZE&EREZE' Wave Trap WTEQEZE;WT1EEZE(EEZE)EEZE+E$REZE,H. Post-InsulatorE EZE-E E ZE.E E ZE/E E ZE0E E ZE1EE ZE2El@EZE3EEZE4EEZE5EEZE6EEZE8EEZE9EEZE:EEZE=E4QEZE>zwNote that this unit had the post insulators supported on a beam spanning 2 DS rather than on its own support sturcture.EXYEZE?Units tilted,but functional.EEZE@ESEZE!Tertiary formation - soft rockEEZE<ELREZENoEEZE7Eu@EZEBE `@EZECE EZEDE!E ZEAE"E!ZEEF`RE"ZFSS#36FpRFZF$ UndamagedF?FZF&FtSFZF' Wave Trap WTFRFZF;WT1FFZF(FFZF)FFZF+FXSFZF, V. Dual PostF FZF-F F ZF.F F ZF/F F ZF0F F ZF1FF ZF2Fl@FZF3FFZF4FFZF5FFZF6FFZF8FFZF9FFZF:FFZF=FRFZF>PMNote that this unit had the post insulators supported on a beam spanning 2 DSFFZF?FFZF@FXFZF!Tertiary formation - soft rockFFZF<FSFZFNoFFZF7F@u@FZFBF `@FZFCF FZFDF!F ZFAF"F!ZFEGSF"ZGSS#36GSGZG$ UndamagedG?GZG&GUGZG' Wave Trap WTG(TGZG;WT1GGZG(GGZG)GGZG+G4UGZG,H. Post-InsulatorG GZG-G G ZG.G G ZG/G G ZG0G G ZG1GG ZG2Gl@GZG3GGZG4GGZG5GGZG6GGZG8GGZG9GGZG:GGZG=GDTGZG>zwNote that this unit had the post insulators supported on a beam spanning 2 DS rather than on its own support sturcture.GGZG?GGZG@GWGZG!Tertiary formation - soft rockGGZG<G\UGZGNoGGZG7GPu@GZGBG `@GZGCG GZGDG!G ZGAG"G!ZGEHpUG"ZHSS#36HUHZH$ UndamagedH@HZH&HWHZH' Wave Trap WTHUHZH;WT1HHZH(HHZH)HHZH+HVHZH,H. Post-InsulatorH HZH-H H ZH.H H ZH/H H ZH0H H ZH1HH ZH2Hl@HZH3HHZH4HHZH5HHZH6HHZH8HHZH9HHZH:HHZH=HUHZH>zwNote that this unit had the post insulators supported on a beam spanning 2 DS rather than on its own support sturcture.HHZH?HHZH@HWHZH!Tertiary formation - soft rockHHZH<HVHZHNoHHZH7H`u@HZHBH `@HZHCH HZHDH!H ZHAH"H!ZHEIWH"ZISS#37IVIZI$ DamagedI@IZI&IlWIZI'Lightning Arrester LAI8WIZI;LA1IIZI(IIZI)ILWIZI+TR Boom MountedIIZI,I IZI-I I ZI.I I ZI/I I ZI0I I ZI1II ZI2Il@IZI3IIZI4IIZI5IIZI6IIZI8IIZI9IIZI:IIZI=IIZI>IYIZI? 2 at standoff , 4 at arresterIIZI@IIZIIIZI<IlXIZINoIIZI7IIZIBI @IZICI IZIDI!I ZIAI"I!ZIEJXI"ZJSS#37JXJZJ$ UndamagedJ@JZJ&JXJZJ'Lightning Arrester LAJXJZJ;LA1JJZJ(JJZJ)JXJZJ+ Post mountedJJZJ,J JZJ-J J ZJ.J J ZJ/J J ZJ0J J ZJ1JJ ZJ2Jl@JZJ3JJZJ4JJZJ5JJZJ6JJZJ8JJZJ9JJZJ:JJZJ=JJZJ>?<JYJZJNoJJZJ7JJZJBJ @JZJCJ JZJDJ!J ZJAJ"J!ZJEKZJ"ZKSS#37KZKZK$ DamagedK@KZK&KtZKZK'Transformer TRKHZKZK;TR2KKZK(KKZK)KKZK+KKZK,K KZK-K K ZK.K K ZK/K K ZK0K K ZK1KK ZK2Kl@KZK3K@A@KZK4KKZK5KKZK6KKZK8KdZKZK9 3-phaseKKZK:KKZK=KKZK>K\KZK?(%6 Leaking 230 kVbushings, 6 LA failedKKZK@KKZKKKZK<K|[KZKNoKKZK7KKZKBK @KZKCK KZKDK!K ZKAK"K!ZKEL[K"ZLSS#37L[LZL$ UndamagedL?LZL&L[LZL'Transformer TRL[LZL;TR2LLZL(LLZL)LLZL+LLZL,L LZL-L L ZL.L L ZL/L L ZL0L L ZL1LL ZL2Ll@LZL3L@A@LZL4LLZL5LLZL6LLZL8L[LZL9 3-phaseLLZL:LLZL=LLZL>?<L]LZLNoLLZL7LLZLBL @LZLCL LZLDL!L ZLAL"L!ZLEM]L"ZMSS#38M]MZM$ UndamagedMK@MZM&M(]MZM'Circuit Breaker CBMX]MZM;CB20AMl]MZM( Bulk OilMMZM)MMZM+MMZM,M MZM-M M ZM.M M ZM/M M ZM0M M ZM1MM ZM2Ml@MZM3MMZM4MMZM5MMZM6MMZM8MMZM9MMZM:MMZM=MMZM>MMZM?MMZM@MT^MZMQuaternary formation - soilMMZM<M^MZMNoMMZM7Mw@MZMBM @MZMCM MZMDM!M ZMAM"M!ZMEN^M"ZNSS#38N^NZN$ DamagedN@NZN&N_NZN'Potential Transformer PTN^NZN;PT1NNZN(NNZN)NNZN+NNZN,N ^NZN- Post MountedN N ZN.N N ZN/N N ZN0N N ZN1NN ZN2Nl@NZN3NNZN4NNZN5NNZN6NNZN8NNZN9NNZN:NNZN=NNZN>There may be a slack problem in that there is a short flexible connection to a rigid bus that is supported by disconnect switch structures. Pot head support structure is also connected to the rigid bus.NNZN?NNZN@N_NZNQuaternary formation - soilNNZN<N`NZNNoNNZN7Nv@NZNBN @NZNCN NZNDN!N ZNAN"N!ZNEO(`N"ZOSS#38O8`OZO$ UndamagedO.@OZO&O`OZO'Coupling Voltage Trans. CVTOh`OZO;CC1OOZO(OOZO)OOZO+OOZO,O |`OZO- Post MountedO O ZO.O O ZO/O O ZO0O O ZO1OO ZO2Ol@OZO3OOZO4OOZO5OOZO6OOZO8OOZO9OOZO:OOZO=OOZO>OOZO?OOZO@OdaOZOQuaternary formation - soilOOZO<OaOZONoOOZO7Ov@OZOBO @OZOCO OZODO!O ZOAO"O!ZOEPaO"ZPSS#38PaPZP$ UndamagedP@PZP&P bPZP'Coupling Voltage Trans. CVTPaPZP;CC1PPZP(PPZP)PPZP+PPZP,P bPZP- Post MountedP P ZP.P P ZP/P P ZP0P P ZP1PP ZP2Pl@PZP3PPZP4PPZP5PPZP6PPZP8PPZP9PPZP:PPZP=PPZP>PPZP?PPZP@PbPZPQuaternary formation - soilPPZP<P$cPZPNoPPZP7PPZPBP @@PZPCP PZPDP!P ZPAP"P!ZPEQHcP"ZQSS#38Q8cQZQ$ DamagedQ@@QZQ&QcQZQ'Disconnect Switch DSQxcQZQ;DS3QQZQ(QQZQ)QQZQ+QQZQ,Q QZQ-Q Q ZQ.Q Q ZQ/Q cQ ZQ0Horizontal SwingQ Q ZQ1QQ ZQ2Ql@QZQ3QQZQ4QcQZQ51600QcQZQ6900QcQZQ8ITEQcQZQ9 Type DR-5QQZQ:QQZQ=QQZQ>QQZQ?yvThese units had deformed operating mechanism that prevented their operation. None of the post insulators were damaged.Q(QZQ@pmIt took 2 days to identify the problem and the fix and 2 hour for each (3 phases) to make repairs after that.QtdQZQQuaternary formation - soilQQZQ<QdQZQNoQQZQ7Qv@QZQBQ @QZQCQ QZQDQ!Q ZQAQ"Q!ZQERdQ"ZRSS#38RdRZR$ DamagedR8@RZR&RheRZR'Disconnect Switch DSReRZR;DS3RRZR(RRZR)RRZR+RRZR,R RZR-R R ZR.R R ZR/R DeR ZR0Horizontal SwingR R ZR1RR ZR2Rl@RZR3RRZR4R8eRZR51600R0eRZR6900ReRZR8ITEReRZR9 Type DR-5RRZR:RRZR=RRZR>R4RZR?{xThese units had deformed operating mechanisms that prevented their operation. None of the post insulators were damaged.RֽRZR@pmIt took 2 days to identify the problem and the fix and 2 hour for each (3 phases) to make repairs after that.ReRZRQuaternary formation - soilRRZR<R4fRZRNoRRZR7Rw@RZRBR @RZRCR RZRDR!R ZRAR"R!ZRESXfR"ZSSS#38SHfSZS$ DamagedS@SZS&SfSZS'Disconnect Switch DSSfSZS;DS3SSZS(SSZS)SSZS+SSZS,S SZS-S S ZS.S S ZS/S fS ZS0Horizontal SwingS S ZS1SS ZS2Sl@SZS3SSZS4SSZS5SSZS6SfSZS8ColeSSZS9SSZS:SSZS=SSZS>SgSZS?unknown damageShSZS@WTPost insulators used for bus supports in PE4,5,6 were canibalized to reconstruct DS.SgSZSQuaternary formation - soilSSZS<SgSZSNoSSZS7S v@SZSBS @SZSCS SZSDS!S ZSAS"S!ZSETgS"ZTSS#38TgTZT$ DamagedT@TZT&ThTZT'Disconnect Switch DSThTZT;DS3TTZT(TTZT)TTZT+TTZT,T TZT-T T ZT.T T ZT/T dhT ZT0Horizontal SwingT T ZT1TT ZT2Tl@TZT3TTZT4TTZT5TTZT6TXhTZT8ColeTTZT9TTZT:TTZT=T,hTZT>rigid bus connectionT<TZT?One of the columns failed. 10 were adjacent to CB and were provided with good slack so that inertial loads were probably the cause of failure. One unit was connected to a bus with an intermediate drop and bus dynamics may have contributed to failureTTTZT@WTPost insulators used for bus supports in PE4,5,6 were canibalized to reconstruct DS.T iTZTQuaternary formation - soilTTZT<TDiTZTNoTTZT7T0v@TZTBT @TZTCT TZTDT!T ZTAT"T!ZTEUhiT"ZUSS#38UXiUZU$ DamagedU*@UZU&UjUZU'Disconnect Switch DSUiUZU;DS3UUZU(UUZU)UUZU+UUZU,U UZU-U U ZU.U U ZU/U iU ZU0Horizontal SwingU U ZU1UU ZU2Ul@UZU3UUZU4UUZU5UUZU6UiUZU8ColeUUZU9UUZU:UUZU=UiUZU>rigid bus connectionU սUZU?a^Both columns failed. Interaction between columns may have contributed to the dual failures. .UUZU@UjUZUQuaternary formation - soilUUZU<UjUZUNoUUZU7UUZUBU @UZUCU UZUDU!U ZUAU"U!ZUEVjU"ZVSS#38VjVZV$ UndamagedV7@VZV&VXkVZV'Disconnect Switch DSV kVZV;DS3VVZV(VVZV)VVZV+VVZV,V VZV-V V ZV.V V ZV/V 4kV ZV0Horizontal SwingV V ZV1VV ZV2Vl@VZV3VVZV4VVZV5VVZV6VVZV8VVZV9VVZV:VVZV=VVZV>VVZV?VVZV@VlVZVQuaternary formation - soilVVZV<VTlVZVNoVVZV7VVZVBV @VZVCV VZVDV!V ZVAV"V!ZVEWxlV"ZWSS#38WhlWZW$ DamagedW@WZW&WTsWZW'Disconnect Switch DSWlWZW;DS3WWZW(WWZW)WWZW+WWZW,W WZW-W W ZW.W W ZW/W tmW ZW0Horizontal SwingW W ZW1WW ZW2Wl@WZW3WWZW4WWZW5WWZW6WWZW8WWZW9WWZW:WWZW=WlWZW>ZWNote that 12 units had flexible connections at ends of rigid bus connection adjacent DSW nWZW?1 column failedWWZW@WmWZWQuaternary formation - soilWWZW<WmWZWNoWWZW7WWZWBW @WZWCW WZWDW!W ZWAW"W!ZWEXnW"ZXSS#38XmXZX$ DamagedX@XZX&X(sXZX'Disconnect Switch DSX0nXZX;DS3XXZX(XXZX)XXZX+XXZX,X XZX-X X ZX.X X ZX/X nX ZX0Horizontal SwingX X ZX1XX ZX2Xl@XZX3XXZX4XXZX5XXZX6XXZX8XXZX9XXZX:XXZX=XLnXZX>ZWNote that 12 units had flexible connections at ends of rigid bus connection adjacent DSXrXZX?both columns failedXXZX@X,oXZXQuaternary formation - soilXXZX<XdoXZXNoXXZX7XXZXBX @XZXCX XZXDX!X ZXAX"X!ZXEYxoX"ZYSS#38YoYZY$ UndamagedY@YZY&YqYZY'Disconnect Switch DSYoYZY;DS3YYZY(YYZY)YYZY+YYZY,Y YZY-Y Y ZY.Y Y ZY/Y pY ZY0Horizontal SwingY Y ZY1YY ZY2Yl@YZY3YYZY4YYZY5YYZY6YYZY8YYZY9YYZY:YYZY=YoYZY>ZWNote that 12 units had flexible connections at ends of rigid bus connection adjacent DSYYZY?YYZY@YpYZYQuaternary formation - soilYYZY<YpYZYNoYYZY7YYZYBY @YZYCY YZYDY!Y ZYAY"Y!ZYEZqY"ZZSS#38ZqZZZ$ DamagedZ@ZZZ&ZqZZZ'Lightning Arrester LAZ@qZZZ;LA1ZZZZ(ZZZZ)ZqZZZ+FrameZZZZ,Z ZZZ-Z Z ZZ.Z Z ZZ/Z Z ZZ0Z Z ZZ1ZqZ ZZ2 TR Bank B & CZl@ZZZ3ZZZZ4ZZZZ5ZZZZ6ZZZZ8ZZZZ9ZZZZ:ZZZZ=Z\qZZZ>Standoffs failedZrZZZ?Standoffs failedZZZZ@ZUnusual installation in that frame is much lower than that used for TRs. LA are on standoffs. There is marginal slack to a rigid bus that is supported on disconnect switches.[,t[Z[?Standoffs failed[[Z[@[s[Z[Quaternary formation - soil[[Z[<[s[Z[No[[Z[7[v@[Z[B[ @[Z[C[ [Z[D[![ Z[A["[!Z[E\ t["Z\SS#38\t\Z\$ Damaged\@\Z\&\t\Z\'Lightning Arrester LA\Pt\Z\;LA1\\Z\(\\Z\)\t\Z\+ TR Boom Mount\\Z\,\ \Z\-\ \ Z\.\ \ Z\/\ \ Z\0\ \ Z\1\t\ Z\2 TR Bank E\l@\Z\3\\Z\4\\Z\5\\Z\6\\Z\8\\Z\9\\Z\:\\Z\=\lt\Z\> No Standoffs\Hv\Z\?Failed at base of LA\\Z\@\Lu\Z\Quaternary formation - soil\\Z\<\u\Z\No\\Z\7\v@\Z\B\ @\Z\C\ \Z\D\!\ Z\A\"\!Z\E]u\"Z]SS#38]u]Z]$ Undamaged]@]Z]&]v]Z]'Lightning Arrester LA]u]Z];LA1]]Z](]]Z])]v]Z]+ Free Standing]]Z],] ]Z]-] ] Z].] ] Z]/] ] Z]0] ] Z]1]u] Z]2 TR Bank A]l@]Z]3]]Z]4]]Z]5]]Z]6]]Z]8]]Z]9]]Z]:]]Z]=]]Z]>]]Z]?]]Z]@]v]Z]Quaternary formation - soil]]Z]<] w]Z]No]]Z]7]v@]Z]B] @]Z]C] ]Z]D]!] Z]A]"]!Z]E^ w]"Z^SS#38^0w^Z^$ Undamaged^@^Z^&^w^Z^'Lightning Arrester LA^`w^Z^;LA1^^Z^(^^Z^)^tw^Z^+Frame- Pothead^^Z^,^ ^Z^-^ ^ Z^.^ ^ Z^/^ ^ Z^0^ ^ Z^1^^ Z^2^l@^Z^3^^Z^4^^Z^5^^Z^6^^Z^8^^Z^9^^Z^:^^Z^=^|^Z^>Unusual installation in that frame is much lower than that used for TRs. LA are on standoffs. There is marginal slack to a rigid bus that is supported on disconnect switches.^^Z^?^^Z^@^\x^Z^Quaternary formation - soil^^Z^<^x^Z^No^^Z^7^v@^Z^B^ @^Z^C^ ^Z^D^!^ Z^A^"^!Z^E_x^"Z_SS#38_x_Z_$ Damaged_?_Z_&_y_Z_'Transformer TR_x_Z_;TR1__Z_(_y_Z_) Separate Rad__Z_+__Z_,_ _Z_-_ _ Z_._ _ Z_/_ _ Z_0_ _ Z_1_y_ Z_2 Bank B_l@_Z_3_@A@_Z_4__Z_5__Z_6__Z_8__Z_9__Z_:_p_Z_=TR in accountic enclosure. Separately supported radiators. Conservator tank with 2 supports. LA supported on frame with standoffs._y_Z_>A>Ao and Co LA drops from bus, Bo from bushing. see page 71 ASCE__Z_?Bo Bushing has damaged bus stud. All LA failed, A & C at standoffs and B at LA base. Conservator stretched bolts and shifted in slotted connections, strain piping and lost all 1000g oil.__Z_@_y_Z_Quaternary formation - soil__Z_<_z_Z_No__Z_7_Pv@_Z_B_ @_Z_C_ _Z_D_!_ Z_A_"_!Z_ED߲lN}Q  $&x|d<@`#a#b#c#d#e#f#g#h#i#j#k#l#m#n#o#p#q#r#s#t#u#v#w#x#y#z#{#|#}#~##`@z_"Z`SS#38`0z`Z`$ Damaged`?`Z`&`z`Z`'Transformer TR`pz`Z`;TR1``Z`(`z`Z`) Separate Rad``Z`+``Z`,` `Z`-` ` Z`.` ` Z`/` ` Z`0` ` Z`1`z` Z`2 Bank C`l@`Z`3`@A@`Z`4``Z`5``Z`6``Z`8``Z`9``Z`:``Z`=}zTR in accountic enclosure. Separately supported radiators. Conservator on 2 supports above TR. LA supported on frame. .`z`Z`>"All LA have bus drops from bus.``Z`?yvAll failed at standoffs and were not damaged. Signs of oil leak (spray on conservator) but source could not be found.``Z`@`l{`Z`Quaternary formation - soil``Z`<`{`Z`No``Z`7``v@`Z`B` @`Z`C` `Z`D`!` Z`A`"`!Z`Ea{`"ZaSS#38a{aZa$ Undamageda?aZa&ah|aZa'Transformer TRa{aZa;TR1aaZa(aL|aZa) Separate RadaaZa+aaZa,a aZa-a a Za.a a Za/a a Za0a a Za1a<|a Za2 Bank Aal@aZa3a@A@aZa4aaZa5aaZa6aaZa8aaZa9aaZa:aaZa=TR in accountic enclosure. Separately supported radiators, which were moderately large. Conservator on top of radiators. LA supported on independent posts without standoffs.a|aZa>LA drops from bus.aaZa?DASigns of oil leak at valve inside of enclosure, but it looks old.aaZa@a|aZaQuaternary formation - soilaaZa<a,}aZaNoaaZa7a@v@aZaBa @aZaCa aZaDa!a ZaAa"a!ZaEb@}a"ZbSS#38bP}bZb$ Undamagedb?bZb&b ~bZb'Transformer TRb}bZb;TR1bbZb(b ~bZb) Small RadbbZb+bbZb,b bZb-b b Zb.b b Zb/b b Zb0b b Zb1b}b Zb2 Bank Ebl@bZb3b}bZb4138bbZb5bbZb6bbZb8bbZb9bbZb:bмbZb=WTLA on boom without standoffs. High voltage LA have drops from bus. see page 71 ASCEb}bZb>2/Unit anchored with gusseted angle to pull tabs.bdbZb?230 KV LA failed. They were boom mounted without standoffs. Small radiators. Flexible end anchors to pull tabs contributed to failure of bolted angles along side.bbZb@b|~bZbQuaternary formation - soilbbZb<b~bZbNobbZb7bpv@bZbBb @bZbCb bZbDb!b ZbAb"b!ZbEc~b"ZcSS#38c~cZc$ Damagedc@cZc&ccZc' Wave Trap WTccZc;WT1ccZc(ccZc)ccZc+chcZc,H. Post-Insulatorc cZc-c c Zc.c c Zc/c c Zc0c c Zc1cc Zc2cl@cZc3ccZc4ccZc5ccZc6ccZc8ccZc9ccZc:ccZc=c$cZc># These units have marginal slack.c cZc?sp1 WT w/ failed posts at lower sand ring, 2 failed welds at top of posts connecting to wave trap support channel.c䀽cZc@JGTwo units were restored by bolting angles between channel and post cap.ccZcQuaternary formation - soilccZc<c<cZcNoccZc7cv@cZcBc @cZcCc cZcDc!c ZcAc"c!ZcEdPc"ZdSS#38d`dZd$ Undamagedd?dZd&dȀdZd' Wave Trap WTddZd;WT1ddZd(ddZd)ddZd+ddZd,H. Post-Insulatord dZd-d d Zd.d d Zd/d d Zd0d d Zd1dd Zd2dl@dZd3ddZd4ddZd5ddZd6ddZd8ddZd9ddZd:ddZd=ddZd>ddZd?ddZd@ddZdQuaternary formation - soilddZd<dādZdNoddZd7d w@dZdBd @dZdCd dZdDd!d ZdAd"d!ZdEe؁d"ZeSS#38e聽eZe$ Undamagede"@eZe&eeZe' PotheadeeZe;eeZe(eeZe)eeZe+eeZe,e eZe-e e Ze.e e Ze/e e Ze0e e Ze1ee Ze2el@eZe3eeZe4eeZe5eeZe6eeZe8eeZe9eeZe:eeZe=eeZe>eeZe?eeZe@eeZeQuaternary formation - soileeZe<eLeZeNoeeZe7eeZeBe @eZeCe eZeDe!e ZeAe"e!ZeEf`e"ZfSS#41fpfZf$ Undamagedf@fZf&f䃽fZf'Disconnect Switch DSffZf;DS3ffZf(ffZf)ffZf+ffZf,f fZf-f f Zf.f f Zf/f f Zf0Horizontal - Low Designf f Zf1ff Zf2fl@fZf3ffZf4ffZf5ffZf6ffZf8ffZf9ffZf:ffZf=ffZf>ffZf?ffZf@ffZfQuaternary formation - soilffZf<fԄfZfNoffZf7ffZfBf @fZfCf fZfDf!f ZfAf"f!ZfEg脽f"ZgSS#41ggZg$ Undamagedg@gZg&gTgZg'Lightning Arrester LAg(gZg;LA1ggZg(ggZg)g<gZg+ Low DesignggZg,g gZg-g g Zg.g g Zg/g g Zg0g g Zg1gg Zg2gl@gZg3ggZg4ggZg5ggZg6ggZg8ggZg9ggZg:ggZg=ggZg>ggZg?ggZg@g$gZgQuaternary formation - soilggZg<g\gZgNoggZg7ggZgBg @gZgCg gZgDg!g ZgAg"g!ZgEhg"ZhSS#41hphZh$ Damagedh?hZh&h䆽hZh'Transformer TRhhZh;TR2hhZh(hhZh)hhZh+hhZh,h hZh-h h Zh.h h Zh/h h Zh0h h Zh1hh Zh2hl@hZh3hP@hZh4hhZh5hhZh6hhZh8h̆hZh9 three phasehhZh:hhZh=hhZh>hhZh? radiator leakhhZh@hhZhQuaternary formation - soilhhZh<h䇽hZhNohhZh7hhZhBh @hZhCh hZhDh!h ZhAh"h!ZhEih"ZiSS#41iiZi$ Undamagedi?iZi&iliZi'Transformer TRi8iZi;TR2iiZi(iiZi)iiZi+iiZi,i iZi-i i Zi.i i Zi/i i Zi0i i Zi1ii Zi2il@iZi3iP@iZi4iiZi5iiZi6iiZi8iTiZi9 three phaseiiZi:iiZi=iiZi>iiZi?iiZi@i4iZiQuaternary formation - soiliiZi<iliZiNoiiZi7iiZiBi @iZiCi iZiDi!i ZiAi"i!ZiEji"ZjSS#44jjZj$ Undamagedj(@jZj&jjZj'Circuit Breaker CBjjZj;CB20jjZj( Dead TankjjZj)jjZj+jjZj,j jZj-j j Zj.j j Zj/j j Zj0j j Zj1jj Zj2jl@jZj3jjZj4jjZj5jjZj6jDjZj8'$Westinghous-Mitsubishi Power Breakerj(jZj9 200-SFMT-63BjjZj:jjZj=j܉jZj>(%Has very good slack to DSs. Pict 1-35j̋jZj?/,E91 A had a loose bolt at south east corner.jjZj@jjZjQuaternary formation - soiljjZj<jjZjNojjZj7jt@jZjBj @jZjCj jZjDj!j ZjAj"j!ZjEkj"ZkSS#44kkZk$ UndamagedkF@kZk&kkZk'Circuit Breaker CBkHkZk;CB20AkkZk( Bulk OilkkZk)kkZk+kkZk,k kZk-k k Zk.k k Zk/k k Zk0k k Zk1kk Zk2kl@kZk3kkZk4kkZk5kkZk6k|kZk8Siemens-Allis & ITEkkZk9kdkZk: 1983 & 1971kkZk=kkZk>kkZk?kkZk@kDkZkQuaternary formation - soilkkZk<k|kZkNokkZk7kkZkBk @@kZkCk kZkDk!k ZkAk"k!ZkElk"ZlSS#44llZl$ Damagedl@lZl&lTlZl'Coupling Voltage Trans. CVTlЌlZl;CC1llZl(llZl)llZl+llZl,l lZl- Post Mountedl l Zl.l l Zl/l l Zl0l l Zl1ll Zl2ll@lZl3llZl4llZl5llZl6l䌽lZl8GElxlZl94CD3llZl:l(lZl=*'Installed on 6-3/4" diameter 8'-6" talll쌽lZl>Good slack in bus connectionllZl?A failed at lower sand ring and B did not look damaged on original trip. Unit was removed and porcelain was fractured 1/3 of the way up from base. Ao is would be inertial loads. Pict 3-34, 28-36llZl@l̍lZlQuaternary formation - soill lZl<675llZlNollZl7ls@lZlBl @lZlCl lZlDl!l ZlAl"l!ZlEm(l"ZmSS#44mmZm$ Damagedm?mZm&mmZm'Coupling Voltage Trans. CVTmXmZm;CC1mmZm(mmZm)mmZm+mmZm,m mZm- Post Mountedm m Zm.m m Zm/m m Zm0m m Zm1mm Zm2ml@mZm3mmZm4mmZm5mmZm6mlmZm8GEmmZm9mmZm:mmZm=mtmZm>85Units are on pedestals 6-3/4" diameter and 8'-6" tallmĢmZm?2/This unit was found removed 3/15/94. Pict 28-34mmZm@mTmZmQuaternary formation - soilmmZm<mmZmNommZm7mt@mZmBm @mZmCm mZmDm!m ZmAm"m!ZmEnm"ZnSS#44nnZn$ Undamagedn @nZn&nnZn'Coupling Voltage Trans. CVTnnZn;CC1nnZn(nnZn)nnZn+nnZn,n LnZn- Post Mountedn n Zn.n n Zn/n n Zn0n n Zn1nn Zn2nl@nZn3nnZn4nnZn5nnZn6nnZn8GEnnZn9 4CD3...nnZn:nLnZn=85Units are on pedestals 6-3/4" diameter and 8'-6" tallnnZn>*'Good slack in bus connection. Pict 2-15nnZn?nnZn@nܐnZnQuaternary formation - soilnnZn<675nnZnNonnZn7ns@nZnBn @nZnCn nZnDn!n ZnAn"n!ZnEo(n"ZoSS#44o8oZo$ Undamagedo$@oZo&o(oZo'Coupling Voltage Trans. CVTohoZo;CC1ooZo(ooZo)ooZo+ooZo,o (oZo- Post Mountedo o Zo.o o Zo/o o Zo0o o Zo1oo Zo2ol@oZo3ooZo4ooZo5ooZo6o|oZo8GEooZo9 4CD3...ooZo:oؑoZo=!Supported on 6-3/4" 8'-6" tallooZo>+(Good slack in bus connection. Pict 24-8ooZo?ooZo@odoZoQuaternary formation - soilooZo<675ooZoNoooZo7os@oZoBo @oZoCo oZoDo!o ZoAo"o!ZoEpo"ZpSS#44ppZp$ Undamagedp@pZp&ppZp'Coupling Voltage Trans. CVTppZp;CC1ppZp(ppZp)ppZp+ppZp,p pZp- Post Mountedp p Zp.p p Zp/p p Zp0p p Zp1pp Zp2pl@pZp3ppZp4ppZp5ppZp6ppZp8ppZp9ppZp:pdpZp=.+A is Nisson Denki, B & C are GE. Pict. 24-4p pZp>-*A & C have Bellville washers, B does not?ppZp?ppZp@p쓽pZpQuaternary formation - soilppZp<p$pZpNoppZp7ps@pZpBp @pZpCp pZpDp!p ZpAp"p!ZpEq8p"ZqSS#44qHqZq$ Undamagedq@qZq&qqZq'Coupling Voltage Trans. CVTqxqZq;CC1qqZq(qqZq)qqZq+qqZq,q qZq- Post Mountedq q Zq.q q Zq/q q Zq0q q Zq1qq Zq2ql@qZq3qqZq4qqZq5qqZq6qqZq8 HaeffeyqqZq9qqZq:qqZq=mounted on 12" diameter post that is 7' high. Can is sealed in unusual way. Support post has 8 large gussets at base and top. Pict. 1-30, 28, 26, 25, 28-23, 22, 21qqZq>qqZq?qqZq@qtqZqQuaternary formation - soilqqZq<qqZqNoqqZq7qs@qZqBq @qZqCq qZqDq!q ZqAq"q!ZqErq"ZrSS#44rЕrZr$ Undamagedr@rZr&r̙rZr'Coupling Voltage Trans. CVTrrZr;CC1rrZr(rrZr)rrZr+rrZr,r lrZr- Post Mountedr r Zr.r r Zr/r r Zr0r r Zr1rr Zr2rl@rZr3rrZr4rrZr5rrZr6rЖrZr8 WestinghouserrZr9rrZr:rrZr=[XUnits have bellville washers. Support column is 13" diameter and 7'-8" tall. pict 28-27rrZr>rrZr?rrZr@rrZrQuaternary formation - soilrrZr<r4rZrNorrZr7rt@rZrBr @rZrCr rZrDr!r ZrAr"r!ZrEsHr"ZsSS#44sXsZs$ Undamageds@sZs&ssZs'Coupling Voltage Trans. CVTssZs;CC1ssZs(ssZs)ssZs+ssZs,s 옽sZs- Post Mounteds s Zs.s s Zs/s s Zs0s s Zs1ss Zs2sl@sZs3ssZs4ssZs5ssZs6s`sZs8 TrenchssZs9ssZs:ssZs=`]Support column is 13" diameter and 7'-8" tall all connected to a large metal base. Pict 28-34ssZs>ssZs?ssZs@ssZsQuaternary formation - soilssZs<ssZsNossZs7st@sZsBs @sZsCs sZsDs!s ZsAs"s!ZsEts"ZtSS#44tИtZt$ Damagedt@tZt&thtZt'Disconnect Switch DSttZt;DS3ttZt(ttZt)ttZt+ttZt,t tZt-t t Zt.t t Zt/t Dt Zt0Horizontal Swingt t Zt1tt Zt2tl@tZt3ttZt4ttZt5ttZt6t$tZt8Southern StatesttZt9ttZt:ttZt=}Support structure has heavy bracing in longitudinal and transverse directions. Units sine beat tested for 10 cycles at .5 g.ttZt>ttZt?Support shaft failed so that it looked like a fatigue failure. Similar failure at RS E. Orientation of fractures are not consistant with position of arm. 92CL Pict 1-29,28,27,26,25. 101BL Pict1-21,20. 101BB Pict1-18,17,16,15. 91AB Pict 1-14. 28-24. BusttZt@t tZtQuaternary formation - soilttZt<tDtZtNottZt7ts@tZtBt @tZtCt tZtDt!t ZtAt"t!ZtEuht"ZuSS#44uXuZu$ Damagedu?uZu&uuZu'Disconnect Switch DSuuZu;DS3uuZu(uuZu)uuZu+uuZu,u uZu-u u Zu.u u Zu/u ̚u Zu0Horizontal Swingu u Zu1uu Zu2ul@uZu3uuZu4uuZu5uuZu6uuZu8Southern StatesuuZu9uuZu:uuZu=}Support structure has heavy bracing in longitudinal and transverse directions. Units sine beat tested for 10 cycles at .5 g.uuZu>uuZu?Porcelain failure at base. Fracture surface (hinge) suggests that it failed due to a pull by the bus. There were two failures adjacent to line drop. Pict 1-24,23,22,12,11. 28-24. Bus drop 1-34 indicated that swing at top of drop may have lifted drop.uuZu@uuZuQuaternary formation - soiluuZu<ưuZuNouuZu7us@uZuBu @uZuCu uZuDu!u ZuAu"u!ZuEvu"ZvSS#44vvZv$ Damagedv.@vZv&vvZv'Disconnect Switch DSv vZv;DS3vvZv(vvZv)vvZv+vvZv,v vZv-v v Zv.v v Zv/v v Zv0Horizontal Swingv v Zv1vv Zv2vl@vZv3vvZv4vvZv5vvZv6v|vZv8ColevvZv9vvZv:v<vZv=!Units supported on two columnsvvZv>vvZv?All failed at the base of the porcelain. Only one column failed. column E82CLB, E82ALB, E83Ab1b1, E83Ab2b1, E81CLL, E72BLL, E7Cb2b2, E73Bb2b2, E73Ab2b1, E71CBL, E71ALB, Bank F 230 Bank, Bank F 230 Bbank, Bank F 220 BB, Pict 1-8, 1-7,2-37, 2-18vvZv@vvZvQuaternary formation - soilvvZv<vTvZvNovvZv7v t@vZvBv @vZvCv vZvDv!v ZvAv"v!ZvEwxv"ZwSS#44whwZw$ Damagedw@wZw&w4wZw'Disconnect Switch DSwwZw;DS3wwZw(wwZw)wwZw+wwZw,w wZw-w w Zw.w w Zw/w w Zw0Horizontal Swingw w Zw1ww Zw2wl@wZw3wwZw4wwZw5wwZw6wwZw8ColewwZw9wwZw:wĝwZw=!Units supported on two columnswwZw>wpwZw?IFPost insulators failed at sand ring. Both insulators failed. Pict 1-8wwZw@wwZwQuaternary formation - soilwwZw<wܞwZwNowwZw7w0t@wZwBw @wZwCw wZwDw!w ZwAw"w!ZwExw"ZxSS#44xxZx$ Damagedx?xZx&xܟxZx'Disconnect Switch DSx0xZx;DS3xxZx(xxZx)xxZx+xxZx,x xZx-x x Zx.x x Zx/x x Zx0Horizontal Swingx x Zx1xx Zx2xl@xZx3xxZx4xxZx5xxZx6xxZx8ColexxZx9xxZx:xLxZx=2/Units supported on two columns. Pict 28-32, 31xxZx><xZx?'$Post insulators failed at sand ring.xxZx@x,xZxQuaternary formation - soilxxZx<xdxZxNoxxZx7xt@xZxBx @xZxCx xZxDx!x ZxAx"x!ZxEyxx"ZySS#44yyZy$ Undamagedy2@yZy&yyZy'Disconnect Switch DSyyZy;DS3yyZy(yyZy)yyZy+yyZy,y yZy-y y Zy.y y Zy/y 젽y Zy0Horizontal Swingy y Zy1yy Zy2yl@yZy3yyZy4yyZy5yyZy6y̠yZy8Southern StatesyyZy9yyZy:yyZy=Support structure has heavy bracing in longitudinal and transverse directions. Units sine beat tested for 10 cycles at .5 g. Pict 1-36yyZy>yyZy?yyZy@yyZyQuaternary formation - soilyyZy<y졽yZyNoyyZy7yps@yZyBy @yZyCy yZyDy!y ZyAy"y!ZyEzy"ZzSS#44zzZz$ Damagedz?zZz&zzZz'Disconnect Switch DSz@zZz;DS3zzZz(zzZz)zzZz+zzZz,z zZz-z z Zz.z z Zz/z tz Zz0Horizontal Swingz z Zz1zz Zz2zl@zZz3zzZz4zzZz5zzZz6zTzZz8Southern StateszzZz9zzZz:zzZz=|Support structure has heavy bracing in longitudinal and transverse directions. Units sine beat tested for 10 cycles at .5 g.zzZz>?<zZzQuaternary formation - soilzzZz<ztzZzNozzZz7zzZzBz @@zZzCz zZzDz!z ZzAz"z!ZzE{z"Z{SS#44{{Z{$ Undamaged{T@{Z{&{ {Z{'Disconnect Switch DS{ȣ{Z{;DS3{{Z{({{Z{){{Z{+{{Z{,{ {Z{-{ { Z{.{ { Z{/{ 製{ Z{0Horizontal Swing{ { Z{1{{ Z{2{l@{Z{3{{Z{4{{Z{5{{Z{6{ܣ{Z{8Cole{{Z{9{{Z{:{߽{Z{=}zUnits supported on two columns. 8-1/2" x 5" with about 3/8" wall with long direction in line with closed arm. Pict 28-31{{Z{>{{Z{?{{Z{@{Ĥ{Z{Quaternary formation - soil{{Z{<{{Z{No{{Z{7{t@{Z{B{ @{Z{C{ {Z{D{!{ Z{A{"{!Z{E|{"Z|SS#44| |Z|$ Undamaged|(@|Z|&||Z|'Lightning Arrester LA|P|Z|;LA1||Z|(||Z|)||Z|+ TR Boom Mount||Z|,| |Z|-| | Z|.| | Z|/| | Z|0| | Z|1|| Z|2|l@|Z|3||Z|4||Z|5||Z|6||Z|8||Z|9||Z|:|ԥ|Z|=Pict 28-32, 2-13|l|Z|>52on porcelain standoffs, Support plates look thin.||Z|?||Z|@|L|Z|Quaternary formation - soil||Z|<||Z|No||Z|7|t@|Z|B| @|Z|C| |Z|D|!| Z|A|"|!Z|E}|"Z}SS#44}}Z}$ Damaged}@}Z}&}}Z}'Potential Trans. PT}ئ}Z};PT1}}Z}(}}Z})}}Z}+}}Z},} h}Z}- Post Mounted} } Z}.} } Z}/} } Z}0} } Z}1}} Z}2}l@}Z}3}}Z}4}}Z}5}}Z}6}}Z}8}}Z}9}}Z}:}P}Z}=PMSupport post is 6-3/4"diameter and 7'-10" high. Pict 3-38, 37,36,35,,33,32.}}Z}><9Units had Bellville washers. The base has small gussets.}ݽ}Z}?Units all failed at the sand ring at base, except 230 Bus 2 A where damage was not obvious, but must have been it cracked. It did not have oil spill below it. Note that bus 2 side anchore bolts were streched and one was loose. On Bus 1 A & C o had st}}Z}@}ԧ}Z}Quaternary formation - soil}}Z}<} }Z}No}}Z}7}`s@}Z}B} @}Z}C} }Z}D}!} Z}A}"}!Z}E~ }"Z~SS#44~0~Z~$ Undamaged~@~Z~&~~Z~'Potential Trans. PT~`~Z~;PT1~~Z~(~~Z~)~~Z~+~~Z~,~ 䨽~Z~- Post Mounted~ ~ Z~.~ ~ Z~/~ ~ Z~0~ ~ Z~1~~ Z~2~l@~Z~3~~Z~4~~Z~5~~Z~6~Ȩ~Z~8 Westinghouse~~Z~9~~Z~:~@ܽ~Z~=Support columns is very large with gussets at top but not at base. Support column is 15" Square and 7'-4" tall from top of lower support to bottom of top support. Pict. 1-37,15~|~Z~>(%Units did not have Bellville washers.~~Z~?~~Z~@~\~Z~Quaternary formation - soil~~Z~<~~Z~No~~Z~7~Ps@~Z~B~ @~Z~C~ ~Z~D~!~ Z~A~"~!Z~E~"ZSS#44Z$ Undamaged@Z&XZ'Potential Trans. PT詽Z;PT1Z(Z)Z+Z, <Z- Post Mounted  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:T۽Z=xuThese units have much smaller section support column that 220 KV bus. Support post is 6-3/4"diameter and 7'-10" high.Z>Units had Bellville washersٽZ?Note that bus 2 side anchore bolts were streched and one was loose. On Bus 1 A & C o had streched bolts but were undamaged. Phase B did not strech but failed. Phase C gussett at base showed signs of distress. Pict 3-33Z@䪽ZQuaternary formation - soilZ<ZNoZ7s@ZB @ZC ZD! ZA"!ZEDSl+M  *A~l{z0pT#############################@"ZSS#440Z$ Damaged?Z&Z'Transformer TRpZ;TR2Z(HZ) Small RadZ+Z, Z-  Z.  Z/  Z0  Z18 Z2 Bank Fl@Z3k@Z4Z5Z6Z8 WestinghouseZ9Z:̫Z=)&3 phase Auto transformer 220 to 230 KVZ>!Radiators braced at the bottom׽Z?Weld to embedment failed. It was a poor weld and not much material was put down. The concrete was fractured where the embedment tried to pull out. The transformer moved about 14" to the north. Pict 2-10,, 9, 8, 7, 6, 28-32Z@lZQuaternary formation - soilܬZ< 537000ZNoZ7t@ZB @ZC ZD! ZA"!ZE"ZSS#44ȬZ$ Undamaged?Z&ԮZ'Transformer TRZ;TR2Z(̭Z) Small RadZ+Z, Z-  Z.  Z/  Z0  Z1 Z2 Bank El@Z3k@Z4Z5Z6Z8 WestinghouseZ9Z:|Z=3 phase Pict 2-13Z>63Radiators braced at the bottom, welded to embedmentZ?Z@ZQuaternary formation - soil\Z< 527000,ZNoZ7t@ZB @ZC ZD! ZA"!ZEP"ZSS#44@Z$ Damaged?Z&Z' Wave Trap WTZ;WT1Z(Z)Z+Z,H. Post-Insulator Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?XUWeld on one side channel failed. Other channel tore. Pict 2-35, 34, 33, 32, 29, 2-17Z@|ZQuaternary formation - soilZ<ZNoZ7t@ZB @ZC ZD! ZA"!ZEد"ZSS#44ȯZ$ Damaged?Z&TZ' Wave Trap WTZ;WT1Z(Z)Z+8Z, V. Suspended Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:$Z= Pict 24-6Z>Z?# bolts failed on restraint, WT okZ@ZQuaternary formation - soilZ<<ZNoZ7@t@ZB @ZC ZD! ZA"!ZEP"ZSS#44`Z$ Undamaged@Z&䱽Z' Wave Trap WTZ;WT1Z(Z)Z+ȱZ, V. Suspended Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z= Pict 24-7, 8Z>Z?Z@ZQuaternary formation - soilZ<IJZNoZ7Pt@ZB @ZC ZD! ZA"!ZEز"ZSS#44貽Z$ Undamaged?Z&Z' Wave Trap WTZ;WT1Z(Z)Z+Z,V. Post Mounted Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:4Z=.+Units supported on three columns. Pict 24-4Z>Z?Z@ZQuaternary formation - soilZ<LZNoZ7`t@ZB @ZC ZD! ZA"!ZE`"ZSS#44pZ$ Undamaged@Z&Z' Wave Trap WTZ;WT1Z(Z)Z+ԴZ,H. Post-Insulator Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z= Pict 28-29Z>Z?Z@ZQuaternary formation - soilZ<ԵZNoZ7pt@ZB @ZC ZD! ZA"!ZEt"ZSS#45赽Z$ Damaged?Z&Z'Circuit Breaker CBhZ;CB15(Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6DZ8General Electric<Z9ATBZ:Z=Z>Z?Z@Z!Mesozoic formation - hard rockZ<dZYesZ7ZB @ZC ZD! ZA"!ZEp"ZSS#45Z$ Undamaged @Z&Z'Circuit Breaker CBZ;CB15Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6̷Z8General ElectricķZ9ATBZ:Z=Z>Z?Z@Z!Mesozoic formation - hard rockZ<츽ZYesZ7ZB @ZC ZD! ZA"!ZE"ZSS#45Z$ Damaged@Z&Z'Circuit Breaker CBZ;CB72s8Z( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6dZ8 WestinghouseTZ9 seismicZ:Z=Z>Z?Z@(Z!Mesozoic formation - hard rockZ<tZYesZ7ZB @ZC ZD! ZA"!ZE"ZSS#45Z$ Undamaged@Z&Z'Circuit Breaker CBZ;CB72sZ( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6캽Z8 WestinghouseܺZ9 seismicZ:Z=Z>Z?Z@Z!Mesozoic formation - hard rockZ<ZYesZ7ZB @ZC ZD! ZA"!ZE"ZSS#45|Z$ Undamaged@@Z&Z'Circuit Breaker CBpZ;CB20HZ( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z8dZ9SF-6Z:Z=Z>Z?Z@Z!Mesozoic formation - hard rockZ<ZYesZ7ZB @ZC ZD! ZA"!ZE"ZSS#45Z$ Undamaged5@Z&Z'Circuit Breaker CBZ;CB57нZ( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6佽Z8 SiemansZ9Z:Z=Z>Z?Z@Z!Mesozoic formation - hard rockZ< ZYesZ7ZB @ZC ZD! ZA"!ZE"ZSS#45Z$ Undamaged"@Z&(Z'Circuit Breaker CBZ;CB73XZ( Live TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6Z8 WestinghousetZ9 PuffersZ:Z=Z>Z?Z@(Z!Mesozoic formation - hard rockZ<ZYesZ7ZB @ZC ZD! ZA"!ZE"ZSS#45Z$ Undamaged@Z&Z'Circuit Breaker CBZ;CB77Z( Dead TankZ)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9SF-6Z:Z=Z>Z?Z@½Z!Mesozoic formation - hard rockZ<½ZYesZ7ZB @ZC ZD! ZA"!ZE8½"ZSS#45(½Z$ Damaged@Z&½Z'Current Transformer CTh½Z;CT5Z(Z)Z+Z, Z-  Z. |½ Z/ Low Seismic  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:Z=Z>dýZ? brokenZ@LĽZ!Mesozoic formation - hard rockZ<ýZYesZ7ZB @ZC ZD! ZA"!ZEý"ZSS#45ýZ$ Undamaged8@Z&ĽZ'Current Transformer CTýZ;CT1Z(Z)Z+Z, Z-  Z. Ľ Z/ Low Seismic  Z0  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ŽZ!Mesozoic formation - hard rockZ<,ŽZYesZ7ZB @ZC ZD! ZA"!ZE8Ž"ZSS#45HŽZ$ Undamaged*@Z&ŽZ'Current Transformer CTxŽZ;CT5Z(Z)Z+Z, Z-  Z. Ž Z/ Low Seismic  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@XǽZ!Mesozoic formation - hard rockZ<ƽZYesZ7ZB @ZC ZD! ZA"!ZEƽ"ZSS#45ƽZ$ Damaged5@Z&,ǽZ'Disconnect Switch DSǽZ;DS1Z(Z)Z+Z, Z-  Z.  Z/ ǽ Z0 Low Design  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ȽZ!Mesozoic formation - hard rockZ<<ȽZYesZ7ZB @ZC ZD! ZA"!ZEHȽ"ZSS#45XȽZ$ UndamagedF@Z&ȽZ'Disconnect Switch DSȽZ;DS1Z(Z)Z+Z, Z-  Z.  Z/ Ƚ Z0 Low Design  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@hʽZ!Mesozoic formation - hard rockZ<ɽZYesZ7ZB @ZC ZD! ZA"!ZEɽ"ZSS#45ɽZ$ Undamaged[@Z&<ʽZ'Disconnect Switch DSʽZ;DS3Z(Z)Z+Z, Z-  Z.  Z/ $ʽ Z0 Low Design  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@˽Z!Mesozoic formation - hard rockZ<L˽ZYesZ7ZB @ZC ZD! ZA"!ZEX˽"ZSS#45h˽Z$ Undamaged$@Z&˽Z'Lightning Arrester LA˽Z;LA1Z(Z)˽Z+ Low DesignZ, Z-  Z.  Z/  Z0  Z1 Z2k@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@xͽZ!Mesozoic formation - hard rockZ<̽ZYesZ7ZB @ZC ZD! ZA"!ZE̽"ZSS#45̽Z$ Damaged@Z&LͽZ'Lightning Arrester LA ͽZ;LA5Z(Z)4ͽZ+ Low DesignZ, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@ϽZ!Mesozoic formation - hard rockZ<\νZYesZ7ZB @ZC ZD! ZA"!ZEhν"ZSS#45xνZ$ Undamaged5@Z&νZ'Lightning Arrester LAνZ;LA5Z(Z)νZ+ Low DesignZ, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@нZ!Mesozoic formation - hard rockZ<ϽZYesZ7ZB @ZC ZD! ZA"!ZEн"ZSS#45ϽZ$ Damaged@Z&нZ'Transformer TR0нZ;TR3Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3l@Z4Z5Z6Z8pнZ9 single phaseZ:LнZ=composite bushingZ>,ѽZ?radiator leaksZ@4ҽZ!Mesozoic formation - hard rockZ<lѽZYesZ7ZB @ZC ZD! ZA"!ZExѽ"ZSS#45ѽZ$ Undamaged@Z&ҽZ'Transformer TRѽZ;TR3Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3l@Z4Z5Z6Z8ѽZ9 single phaseZ:ѽZ=composite bushingZ>Z?Z@ӽZ!Mesozoic formation - hard rockZ<ҽZYesZ7ZB @ZC ZD! ZA"!ZEӽ"ZSS#45ӽZ$ Undamaged$@Z&pӽZ' Wave Trap WT@ӽZ;WT2Z(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2@@Z3Z4Z5Z6Z8Z9Z:\ӽZ= SuspendedZ>Z?Z@ԽZ!Mesozoic formation - hard rockZ<|ԽZYesZ7ZB @ZC ZD! ZA"!ZEԽ"ZSS#45ԽZ$ UndamagedN@Z&ԽZ' Bus SupportԽZ;BSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@hֽZ!Mesozoic formation - hard rockZ<ֽZYesZ7ZB @ZC ZD! ZA"!ZE ֽ"ZSS#45ֽZ$ Damaged@Z&PֽZ' Bus SupportHֽZ;BSZ(Z)Z+Z, Z-  Z.  Z/  Z0  Z1 Z2l@Z3Z4Z5Z6Z8Z9Z:Z=Z>Z?Z@׽Z!Mesozoic formation - hard rockZ<׽ZYesZ7ZB @ZC ZD! ZA"!ZE> 0^xY/ /!#"$ # +>@7 @ d#<iՠM8cf$x 0 P u ˜ & ;!1!b!~!  dMbP?_*+%&A Page &P"P??rU} } } I} m} m'} m@******** * * * * *******************      Z8|Z9SF6Z=Z>|Z?qnSF6 leaking at entrance bushing on non-CT column. Is this support column or bushing? What type of equipment.t eZ@Z8Z9k Z=What type of equipmentZ>Z?Z@Z8Z9Z=Z>lk Z?What was problem?Z@j Z8General ElectricDk Z9ATB5 230-20000-5-20Z=Z>k Z?!Cracked non-CT support column.Z@j Z8General Electrichj Z9ATB5 230-20000-5-20Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Dj Z8General Electrich Z9 3o D572975Z=Z>j Z?!Oil leak. Where? Which unit?Z@g Z8 Pennsylvaniab Z9 3 phaseZ=Z>h Z?+(Gas leak in man hole cover. Which unit?Z@ hh Z 8General Electric @h  Z 9ATB5 230-20000-5-20  Z =  Z > $i  Z ?roBlown seals on bushing #2. What is bushing #2. This is probably inner interrupter head bushing. what phases? h  Z @restored 10/5/87 @ 2300 g  Z 8General Electric ,e  Z 9ATB5 230-20000-5-20  Z =  Z > f  Z ?# There is also another ATB 4 or 6  Z @ Td  Z 8General Electric  Z 9  Z =  Z > e  Z ?1.This data added to reflect total of 30 at site  Z @  Z 8  Z 9  Z =  Z > e  Z ?)&Failed porcelain. How was it mounted.  Z @  Z 8  Z 9  Z =  Z > hc  Z ?How was it mounted.  Z @ Z8Z9d Z=Equipment info not providedZ>4c Z?Top plate gasket leaking.Z@Z8Z9Z=Z> c Z? Oil leakZ@Z8Z9Z=Z>b Z?"Chipped bushings. Need details.Z@Z8Z9hb Z=Voltage and type not knownZ>Db Z?What was problem?Z@Z8Z9Z=Z>b Z?Burnt. Is this contacts?Z@a Z8General Electrica Z9ATB-550-2 SN 0139A8759-204Ta Z=%"0.2 g static seismic specificationZ>` Z?<9Gasket leak at base of top porelain member above CT lead.x` Z@+(2 days to repair. No effect on service.T` Z8General Electric@` Z9 ATB-550-2_ Z=%"0.2 g static seismic specificationZ>Z?Z@Z8` Z9OilZ=Z>Z?Z@Z8a Z9 unknownZ=Z>Z?Z@b Z8 Westinghouseb Z9 ? 2 head,Z=Z>Z?Z@Z8Z9Z=c Z>DAInstallation not verified. Associated with 500/230 kV TR Bank 11.e Z?Failed porcelaind Z@ replacedZ8Z9Z=d Z><9Installation not verified. Associated with 500/230 kV TR.Z?Z@e Z8 Westinghousehe Z9 single phaseZ=Z>Z?Z@f Z8General ElectricPf Z9.+K 546561 thru 64, auto, ccoled by OA/FA/FOAZ=Z>g Z?1.all 500 kV bushings shifted 3/8". leaking oil8g Z@,)20 days to repair. No effect on service.Z80g Z9oilZ=Z>Z?Z@Z8Z9Z=Z>i Z?out of adjustmentZ@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@D%"lTE4t *!*"*#*$*%*&*'*(*)***+*,*-*.*/*0*1*2*3*4*5*6*7*8*9*:*;*<*=*>*?* Z 8 j  Z 9three phase, step up   Z =  Z > 4l  Z ?radiator leak  k  Z @&#fixed using wrench to tighten bolts! Z!8!k !Z!9three phase, step up !!Z!=!!Z!>!!Z!?!!Z!@"l !Z"8 Westinghouse"l "Z"9"3200y SF15000/20000 sn2-62y1128""Z"=""Z">""Z"?""Z"@#"Z#8#m #Z#9Oil##Z#=##Z#>##Z#?##Z#@$lw #Z$8 Westinghouse$ $Z$9SF6, Seismic, modified 1973$n $Z$=30Seismically strengthen with fiber glass tendons.$xn $Z$><9Friction clip anchors, flexible loop bus connection to CT$Б $Z$?All three interrupter head support columns failed. Adjacent CT and DSW did not fail. Support structure moved from under friction clips North about 1 foot.$$Z$@%p $Z%8 Westinghouse% %Z%9SF6, Seismic, modified 1973%̂ %Z%=30Seismically strengthen with fiber glass tendons.%`o %Z%>]ZFriction clip anchors, unit did not move significantly, flexible loop bus connection to CT%؏ %Z%?jgCenter interrupter head support column failed. Entire column failed. Adjacent CT and DSW did not fail.%%Z%@&q %Z&8 Westinghouse& &Z&9SF6, Seismic, modified 1973& &Z&=30Seismically strengthen with fiber glass tendons.&Hp &Z&>]ZFriction clip anchors, unit did not move significantly, flexible loop bus connection to CT&؎ &Z&?Interrupter head support column near disconnect switch failed. Upper part of column failed. Adjacent CT and DSW did not fail.&&Z&@'q &Z'8 Westinghouse'| 'Z'9SF6, Seismic, modified 1973' 'Z'=30Seismically strengthen with fiber glass tendons.'0q 'Z'>]ZFriction clip anchors, unit did not move significantly, flexible loop bus connection to CT' 'Z'?Interrupter head support column near disconnect switch failed. Upper part of column failed. Entire column near CT failed. Adjacent CT and DSW did not fail.''Z'@(|v 'Z(8 Westinghouse(r (Z(9SF6, Seismic, modified 1973(p} (Z(=30Seismically strengthen with fiber glass tendons.(r (Z(>OLFriction clip anchors, unit tipped over, flexible loop bus connection to CT.( (Z(?All interrupter head support columns failed. Entire column near CT failed. Adjacent CT did not fail. Adjacent DSW did fail. Support structure moved about 6" from under friction clips.((Z(@)s (Z)8 Westinghouse)l| )Z)9SF6, Seismic, modified 1973){ )Z)=30Seismically strengthen with fiber glass tendons.)s )Z)>^[Friction clip anchors, unit did not move significantly, flexible loop bus connection to CT.)4z )Z)?Interrupter head support column near disconnect switch failed. The entire column failed. Adjacent CT and DSW did not fail. No significant displacement of support structure.))Z)@*t )Z*8 Westinghouse*y *Z*9SF6, Seismic, modified 1973*y *Z*=30Seismically strengthen with fiber glass tendons.*s *Z*>^[Friction clip anchors, unit did not move significantly, flexible loop bus connection to CT.*x *Z*?liAll interrupter head support columns failed. The entire column failed. Adjacent CT and DSW did not fail.**Z*@+u *Z+8 Westinghouse+Dv +Z+9SF6, Seismic, modified 1973+`x +Z+=30Seismically strengthen with fiber glass tendons.+t +Z+>^[Friction clip anchors, unit did not move significantly, flexible loop bus connection to CT.++Z+?++Z+@,+Z,8,4v ,Z,9 Unknown,u ,Z,=@=it is unclear from documentation of this is a bulk oil or SF6,,Z,>,,Z,?,,Z,@-w ,Z-830High Voltage Breaker, Inc.(Hitachi/Westinghouse)-w -Z-9!H 550-40000-3 SN 5500A2012-203-v -Z-=gdBushings are attached to sand ring which is bolted to CB body, 2 cycle interrupt, shake table tested--Z->--Z-?--Z-@.w -Z.8General Electric.w .Z.9 ATB6 y..Z.=..Z.>..Z.?..Z.@/.Z/8//Z/9//Z/=//Z/>//Z/?//Z/@0/Z0800Z0900Z0=00Z0>00Z0?00Z0@10Z1811Z1911Z1=11Z1>11Z1?11Z1@21Z2822Z2922Z2=22Z2>22Z2?22Z2@32Z3833Z3933Z3=3| 3Z3>/,Units had flexible loops connecting CT to CB3 3Z3?:7Some of the couplings between CT and CB may have broken3| 3Z3@A>required removal of contaminated ground below each leaking CT.43Z4844Z4944Z4=4 4Z4>}Units are mounted on Tit-tat-toe chair are are relatively flexible to rotation. Units had flexible loops connecting CT to CB4X~ 4Z4?^[Oil leaks between bushing and tank. Some of the couplings between CT and CB may have broken4} 4Z4@A>required removal of contaminated ground below each leaking CT.54Z5855Z5955Z5=55Z5>5 5Z5?Failure of outside double post and top of inner double post. Probably due to failure of adjacent CB but taken as independent failure.55Z5@65Z6866Z6966Z6=66Z6>66Z6?66Z6@76Z7877Z7977Z7=7 7Z7>1.Bus support structure, pin and cap insulators.77Z7?77Z7@87Z8888Z8988Z8=8 8Z8>41Ground support structure, pin and cap insulators.88Z8?88Z8@98Z9899Z9999Z9=9 9Z9>1.Bus support structure, pin and cap insulators.99Z9?99Z9@:9Z:8::Z:9::Z:=:h :Z:>30Ground support structure, pin and cap insulators::Z:?::Z:@;:Z;8;;Z;9;;Z;=;P ;Z;>*'Mounted on 500/230 kV McGraw Edison TR.;;Z;?;;Z;@<;Z<8<<Z<9<<Z<=<8 <Z<>*'mounted on 500/230 kV Westinghouse TRs.<<Z<?<<Z<@=<Z=8==Z=9==Z=== =Z=>ROAssociated with 230/115 kV Pennsylvania TRs (Bank 1 &2). Mounted on long boom.==Z=?==Z=@>=Z>8>>Z>9>>Z>=> >Z>>c`mounted on 500/230 kV General Electric TRs. One of these may have been damaged (see record 292)>L >Z>?&#One of these may have been damaged?>>Z>@?0 >Z?8 Westinghouse??Z?9??Z?=? ?Z?>"Associated with W 500/230 kV TR? ?Z??Porcelain failure, but unit fell to ground indicating bus connection failure. TR record 67. Not sure if this was 500 or 230 kV LA that failed.??Z?@D,l!8HH|SW@*A*B*C*D*E*F*G*H*I*J*K*L*M*N*O*P*Q*R*S*T*U*V*W*X*Y*Z*[*\*]*^*_*@?Z@8@@Z@9@؇ @Z@=Note that the LA with the GE were composed of 4 identical sections while others had large and medium sections and a short support section.@ @Z@><9Associated with GE 500/230 kV TRs ( at west end of site).@ @Z@?A>Unit at east end of row may have been damaged - See record 292@@Z@@A@ZA8AAZA9A AZA=Note that the LA with the GE were composed of 4 identical sections while these had large and medium sections and a short support section.A AZA>A>Associated with W 500/230 kV TRs and ME TR (east end of site).A AZA?A>Unit at east end of row may have been damaged - See record 292AAZA@BAZB8BBZB9BBZB=BBZB>BBZB?BBZB@CL\ BZC8 PennsylvaniaCq CZC9!Spec. 10035, sn 0-02265-5-3, C CZC=MJRad. elements supported from tank. C&C 94700, T&F 64400, 6970 g - 54300.Ca CZC>!230 LA on boom, 115 LA on rad.CCZC?CCZC@D0\ CZD8 WestinghouseDP[ DZD9OA, FA, FO, Core type. D DZD=Large radiators with each element supported from a TR tank. Rad. on sides and end. End rad has 9 sections and side has 5 with length 92". There are diagonal braces from top of TR to outside bottom of rad and is 1" rod - 5 on side rad and 3 on end. TherD DZD>4 th from east end - use as spare. 230 LA on boom. 500 LA on independent latus structure. Units 1, 2 and 4 from east end of site. Welded to embedmentDDZD?D8~ DZD@>;put into service when McGraw Edison units has bushing leak.EZ DZE8 McGraw EdisonE4} EZE996Spec. 13330, sn C06503-5-7, HV bushing no. 501.LL.716E EZE=Large radiators with each element supported from maniford perp. to TR tank. 70" X 127" along TR. They are supported on non-penatrating pipe at bottom and penetrating pipe at top. There are horizontal braces at bottom but not consistant (one brace wasE] EZE>&#230 LA on rad., Welded to embedmentE EZE?The 500 kV bushing shifted about 1/4" and had an oil leak at the steel/porcelain interface. Bushing was bottom attachment type rather than draw out type. Were was leak, at bushing-flange or flange -tank?Ex EZE@NKThe replacement bushing is 153" from flange to top and 76" from flang down.FW EZF8 WestinghouseFXZ FZF9OA, FA, FO, Core type.F FZF=Large radiators with each element supported from a TR tank. Rad. on sides and end. End rad has 9 sections and side has 5 with length 92". There are diagonal braces from top of TR to outside bottom of rad and is 1" rod - 5 on side rad and 3 on end. TherF FZF>xu230 LA on boom. 500 LA on independent latus structure. Units 1, 2 and 4 from east end of site., Welded to embedmentF FZF?Minor oil leaks on B phase. note that A phase (east unit) lost LA, original slides indicated minor leaks at radiators (see record 292) OperationalFFZF@GV FZG8General ElectricGv GZG9NKOA, FA, FO, sn D577035, -6, 7, HV bushing no. 11B775, LV bushing no. 11B765G GZG=2 large radiators per side with each element supported from heavy box beam perp. to TR body and with non-penatrating connection with gusset plates for vert. load. Top connection is penetratng pipe. Each 142" long. There are diagonal braces at bottom,G|r GZG>30West end of TR row. 230 kV LA installed on rad.GH GZG?Severe oil leaks at the upper flange connection of manifold to tank. Flanges were deformed and peening was required to stop leaking. Repairs were made without the need to removed radiators or manifold.Gv GZG@WTUnits were out for several days? Extensive excavation to removal contaminated soil.HGZH8HHZH9Hpq HZH==:Wave trap size is about 4 feet in diameter and 6 feet longHY HZH>mounted on support with CVTHHZH?HHZH@IHZI8IIZI9Imounted on support with CVTIIZI?IIZI@JIZJ8JJZJ9JJZJ=JW JZJ>mounted on support with CVTJJZJ?JJZJ@KJZK8Kȑ KZK9OilKKZK=KKZK>KKZK?KKZK@L| KZL8BBCLU LZL9 242PA4020Le LZL=1.A relatively new three phase CB was undamaged.LV LZL>"Welded anchorage into embedmentLLZL?LLZL@M LZM8BBCMMZM9M\c MZM=1.A relatively new three phase CB was undamaged.MT MZM>"Welded anchorage into embedmentMMZM?MMZM@N\S MZN8 HitachiNS NZN9 HVB242-400001NS NZN=.+These were associated with Capacitor banks.N@i NZN>MJThese were located on a new site adjacent to and north of the 230 kV site.NNZN?NNZN@ONZO8OOZO9OOZO=OR OZO>0-Mounted on 2 legged lattice structure with WTO8R OZO? Porcelain failed at its base.OOZO@POZP8PPZP9PPZP=PQ PZP>74number of power mounted and structure/wt not known.PP PZP?ROTotal number at site not known.(it is known that there were a minimum of three)PPZP@QPZQ8QQZQ9QQZQ=QP QZQ>mounted on tall framesQ( QZQ?Bus connections to switches were misaligned. Impact on operation is not clear but EPRI report indicates that they would not operate properly.QQZQ@RQZR8RRZR9RRZR=R( RZR>Bus supported.R RZR?Bus connections to switches were misaligned. Impact on operation is not clear but I seem to call that they would not operate properly.RRZR@SRZS8SSZS9SSZS=S SZS>C@The LA was mounted on a long extension arm off of TR bank 4 & 4AS SZS?LA fractured at its base. It was supported by bus flexible bus and was connected to an adjacent bushing. The bushing had chipped sheds were the LA hit it. Bushing continued to operate.SSZS@TSZT8TTZT9TTZT=T TZT>>;The LA was mounted on a long extension arm off of TR bank 5T$ TZT?LA fractured at its base. It was supported by bus flexible bus and was connected to an adjacent bushing. The bushing had chipped sheds were the LA hit it. Bushing continued to operate.TTZT@UTZU8UUZU9UUZU=U UZU>C@The LA was mounted on a long extension arm off of TR bank 4 & 4AU UZU?LA fractured at its base. It was supported by bus flexible bus and was connected to an adjacent bushing. The bushing had chipped sheds were the LA hit it. Bushing continued to operate.UUZU@V UZV8 WestinghouseVVZV9VVZV=VVZV>V VZV? Core damageVVZV@WМ VZW8 McGraw EdisonWWZW9WWZW=W WZW>this was spare.WWZW?WWZW@X WZX8 WestinghouseXXZX9XXZX=X8 XZX>Station power components were mounted on "pipe" framed structure. This may have contributed to bushing and LA damage. There was not much slack between porcelain and support structure.X XZX?63Damage to tertiary 12 kV bushings to station power,X XZX@After replacement there was still problems. Lightning Arrester had to be removed. It is not clear if this impacted station operations or operation of TRs.Yx XZY8 WestinghouseYYZY9YYZY=YYZY>Y YZY?1.Damaged LA swung and chip shed on bushng or LAY YZY@After replacement there was still problems. Lightning Arrester had to be removed. It is not clear if this impacted station operations or operation of TRs.ZYZZ8ZZZZ9ZZZZ=Zh ZZZ>Mounted on support with CCVTZ ZZZ??<It is unknown how many there are. There are at least three.ZZZZ@[ZZ[8[[Z[9[P [Z[=!Transfer busses above TR banks[ [Z[>}Transfer busses were support at top of bus support structure. Transfer busses were supported by pin and cap post insulators.[ [Z[?On each of two structures, post insulators failed. In one case it dropped the bus across flexible bus connected to the bus support structure. In one case a bell on a bus string was damaged and was replaced.[[Z[@\[Z\8\\Z\9\8 \Z\=Bulk oil type CB.\\Z\>\\Z\?\\Z\@]\Z]8]]Z]9] ]Z]=Bulk oil type CB.]]Z]>]\ ]Z]?>;Sheds on bushing chipped due to failure of switch above CB.]]Z]@^ ]Z^8 Westinghouse^ ^Z^9%"SF6, Seismically Strengthened 1973^^Z^=^ ^Z^>]ZUnits anchored with unwelded, single bolt friction clips. Rigid link between CB and CT. l^ ^Z^?,)Failure of one support column next to CT.^^Z^@_ ^Z_8 Westinghouse_8 _Z_9%"SF6, Seismically Strengthened 1973__Z_=_ _Z_>[XUnits anchored with unwelded, single bolt friction clips. Rigid link between CB and CT._< _Z_?,)Failure of one support column next to DS.__Z_@D6ltk));+kWxiv,F `*a*b*c*d*e*f*g*h*i*j*k*l*m*n*o*p*q*r*s*t*u*v*w*x*y*z*{*|*}*~**` _Z`8 Westinghouse`ؤ `Z`9%"SF6, Seismically Strengthened 1973``Z`=` `Z`>Units anchored with unwelded, single bolt friction clips. Nine of the 12 units had flexible links between CB and CT, three had rigid links (522).`ܧ `Z`?One phase toppled from slab, others moved, did not move or did not move significantly. Details of damage to specific units were difficult to determine from pictures.``Z`@a0 `Za8High Voltage Breaker, Inc.a aZa9# HVB-550-400000-0, sn550A2009-205a aZa=(%Bushing has flange bolted to CB body.a aZa>roUnits anchored with about a foot of weld (only one side could be seen in picture) to a cast in place embedment.aaZa?aaZa@baZb8bbZb9bbZb=bbZb>bbZb?bbZb@cbZc8ccZc9ccZc=c cZc>'$These were adjacent to dead-tank CB.ccZc?ccZc@dcZd8ddZd9ddZd=dP dZd>Mounted on lattice structure with WT. Two may not have had WTs. Units after they were repaired or replaced: 5 GE with 3 porcelain segments and 1 (WE?) with 4 porcelain segments.ddZd?ddZd@edZe8eeZe9eeZe=e` eZe>heUnits had flexible connects to CB. Units held with friction clips. Support structure very flexible.eeZe?eeZe@feZf8ffZf9ffZf=fH fZf>fcUnits had rigid connects to CB. Units held with friction clips. Support structure very flexible.f fZf?Porcelain failed near top.ffZf@gfZg8ggZg9ggZg=g0 gZg>ifUnits had flexible connects to CB. Units held with friction clips. Support structure very flexible.gP gZg?Ceramic failed near top in most cases. In one case it failed about middle. One unit toppled from pad. Some failures may be due to secondary damage when CB failed. Bus connections to CB on several units fail at CB side, presumably after porcelain faiggZg@hgZh8hhZh9hhZh=hhZh>h hZh? damage unkownhhZh@ihZi8iiZi9iiZi=iiZi>i iZi?^[Just the post insulator on the contact side failed. It was connected to the bus that fell.iiZi@jiZj8jjZj9jjZj=jjZj>j jZj?daunit adjacent to the dead tank CB had the blade misaligned. It is not know if it was functional.jjZj@kȮ jZk8Southern StateskkZk9kkZk=kkZk>k kZk?daThe insulator on the contact side had bolts fail at base of post. Inadequate thread penetration.kkZk@lkZl8llZl9llZl=llZl>l lZl?vsOne or both of the post insulators on the hinge side failed and the post insulator in the contact side also failed.llZl@mlZm8mmZm9mmZm=mmZm>md mZm?wtOne or both of the post insulators on the hinge side failed and the post insulator in the contact side did not fail.mmZm@nmZn8nnZn9nnZn=nnZn>nh nZn?wtOne or both of the post insulators on the hinge side failed and the post insulator in the contact side did not fail.nnZn@onZo8ooZo9ooZo=ooZo>ooZo?ooZo@poZp8ppZp9ppZp=pX pZp>Bus supported.ppZp?ppZp@qpZq8qqZq9qqZq=q@ qZq>Bus supported.qqZq?qqZq@rqZr8rrZr9rrZr=r( rZr>(%Bus supported, bus sectioning switch.r rZr?fcIt appears these DS were pulled apart by the out of phase dynamic response of adjacent bus sectionsrrZr@srZs8ssZs9ssZs=s sZs>)&Bus supported , bus sectioning switch.ssZs?ssZs@tsZt8ttZt9ttZt=t tZt>Bus supported.ttZt?ttZt@utZu8uuZu9uuZu=u uZu>Bus supported.uuZu?uuZu@vuZv8vvZv9vvZv=vȸ vZv>"Supported on its own structure.v vZv?)&Not sure if any of these were damaged.vvZv@wvZw8wwZw9wwZw=w wZw>0-Mounted on radiator of 500/230 kV TR, Bank 9.wwZw?wwZw@xwZx8xxZx9xxZx=x xZx><9Mounted on 230/115 kV Bank 8. It is mounted on radiator.xxZx?xxZx@yxZy8yyZy9yyZy=y yZy>A>Lattice-type post support. Adjacent to 500/230 kV TR, Bank 9.yyZy?yyZy@z` yZz8General ElectriczzZz9zzZz=zzZz>zzZz?zzZz@{H zZ{8General Electric{{Z{9{{Z{={{Z{>{{Z{?{{Z{@| {Z|8 McGraw Edison|| |Z|9OA, FOA, FOA, sn C04169-5-2|d |Z|=11270 g of oil with wt of 84500, rad stick out 66", have large rad supports and relatively small rad. There is tertiary 13200 winding. Each TR has 5 bushings. Tertiary bus looks very flexible and there is little slack to bushings and LA. Note TR for|8 |Z|># anchored by welding to embedment| |Z|?Minor oil leaks.| |Z|@JGNo impact on service. They may have been repaired by tightening bolts.} |Z}8 McGraw Edison}d }Z}9OA, FOA, FOA, sn C04169-5-2}d }Z}=11270 g of oil with wt of 84500, rad stick out 66", have large rad supports and relatively small rad. There is tertiary 13200 winding. Each TR has 5 bushings. Tertiary bus looks very flexible and there is little slack to bushings and LA. Note TR for} }Z}># anchored by welding to embedment} }Z}?Minor oil leaks.}$ }Z}@JGNo impact on service. They may have been repaired by tightening bolts.~ }Z~8 McGraw Edison~L ~Z~9/,Spec. 13135-A, sn C05322--5-1 (single phase)~d ~Z~=Rad. are are mounted on 3 sides, each with large box beam perp. to TR body with 4 rad. cores on each side of beam. Over all rad. is 68" out and 138" along TR. Lower rad support is large box beam that has no diagonal bracing but there are horizontal supp~ ~Z~># anchored by welding to embedment~X ~Z~?Minor oil leaks.~ ~Z~@JGNo impact on service. They may have been repaired by tightening bolts. ~Z8 Westinghouse| Z9FO, FA, three phaseT Z=8020 g . TR is tall with small foot print. (about 13' x 13'). While rad are not very heavy, upper penetration supports total weight. Z>a^anchored by welding to embedment but angles are bolted to TR with what looks like small bolts. Z?A>original pictures indicate that one had small oil leak at rad. Z@JGNo impact on service. They may have been repaired by tightening bolts.D0-lH2Q8(.D@AA\ ******************************** Z8 McGraw EdisonZ9Z=Z>Z?Z@Z8Z9 Z=/,Each WT is about 2' in diameter and 2' long. Z> Mounted on structure with CVTZ?Z@Z8Z9 Z=/,Each WT is about 2' in diameter and 3' long. Z> Mounted on structure with CVTZ?Z@Z8Z9 Z=GDEach WT is about 3' in diameter and 5' long. Insulators are tapered. Z>(%Mounted on lattice structure with CVTP Z?porcelain supports failedZ@Z8Z9 Z=GDEach WT is about 3' in diameter and 5' long. Insulators are tapered.x Z>(%Mounted on lattice structure with CVTZ?Z@Z8Z9` Z=zwbus on site was 4 1/2 and 8 dia. al. pipe. West bus. Each bus has 6 insulator supports, each with 6 tapered sections.Z>\ Z?All post insulators supporting B phase bus failed, dropping the bus. Connector between top of post insulator and bus may have been weak spot. Some units failed at connection and some had porcelain failure. This was bus B phase on west side of site.Z@Z8Z9L Z=East 3 phases of bus is 8". After earthquake there are 15 supports with 6 tapered elements, 7 with 2 elements, and 2 with 3 elements.Z>h Z?spOne insulator supporting one bus C on east side of site failed, the bus dropped but did not fall or malfunction.Z@Z8Z90 Z=xuWest bus, A and C phase did not fail. Bus 8" diameter pipe, with 6 insulators per bus, each with 6 tapered sections.Z>Z?Z@Z8Z9, Z=East 3 phases of bus is 8". After earthquake there are 15 supports with 6 tapered elements, 7 with 2 elements, and 2 with 3 elements. 8 insulators per bus.Z>Z?Z@ Z8General Electric Z9oilZ=Z>Z?Z@ Z8 Westinghouse Z9oilZ=Z>Z?Z@ Z8Allis Chalmers Z9oilZ=Z>Z?Z@ Z8General Electric Z9 ATB 4 or 6Z=Z> Z?Support column gasket leaks.Z@ Z8General Electric Z9 ATB 4 or 6Z=Z>Z?Z@ Z8General ElectricZ9Z=Z>Z?Z@h Z8 WestinghouseZ9Z=Z>Z?Z@P Z8 WestinghouseZ9Z=Z>Z?Z@ Z8General Electric Z9ATB7 Z=Lattice type support structures were relatively tall, about 6', and appeared to be flexible in the longitudinal direction. Column natural frequencies of these CB are very low, about 1 or 2 Hz.@ Z>ebUnits were well anchored with cast-in-place bolts at each of 4 corners of the two support columns. Z?IFAir supply looked good. Lowest porcelain on CT support column failed.Z@ Z8General Electric Z9ATB7L Z=Lattice type support structures were relatively tall, about 6', and appeared to be flexible in the longitudinal direction. Column natural frequencies of these CB are very low, about 1 or 2 Hz.( Z>ebUnits were well anchored with cast-in-place bolts at each of 4 corners of the two support columns.Z?Z@( Z8General Electric Z9ATB7, ATB-242-43000-7x Z=Lattice type support structures were relatively tall, about 6', and appeared to be flexible in the longitudinal direction. Column natural frequencies of these CB are very low, about 1 or 2 Hz. Z>ebUnits were well anchored with cast-in-place bolts at each of 4 corners of the two support columns.x Z?This equipment was only viewed after it was in bone yard, so specific equipment could not be associated with specific dispatch positions, and parts could not always be associated with a single phase. It is assumed that at least one support column usuallZ@\ Z8 Westinghouse Z9Oil Z=Lattice type support structures were relatively tall, about 6', and appeared to be flexible in the longitudinal direction. Column natural frequencies of these CB are very low, about 1 or 2 Hz. Z>ebUnits were well anchored with cast-in-place bolts at each of 4 corners of the two support columns. Z?This equipment was only viewed after it was in bone yard, so specific equipment could not be associated with specific dispatch positions, and parts could not always be associated with a single phase. It is assumed that at least one support column usuallZ@$ Z8General Electric,# Z9ATB 4 230-15000-4Z=Z>|@ Z?41Do not have any details on damage of these units.Z@Z8Z9Z=? Z>:7mounted on lattice structure that supported WT and CVT.? Z?0-CVT porcelain column broke at base of column.Z@Z8Z9\! Z=may be more than one> Z>FCMounted on lattice structure with WT. There was at least one other.: Z?63how many were undamaged, and what was installation.Z@Z8Z9+ Z=-*The insulators were cap&pin type (Victor)D Z>These units were supported high on the bus support structure, they were probably CB disconnect switches. They were mounted with the porcelain in the horizontal position.* Z?.+There were two failures of post insulators.Z@Z8Z9Z=Z>D Z?There were one to three type of failures. In one, a weld that connects the base of the plate that is bolted to the bottom flange of the post insulator failed so that no torque could be applied to the column to change the position of the switch. There wZ@Z8Z9) Z=DAHow many undamaged switches were there and how were they mounted?Z>Z?Z@Z8Z9l( Z=$!The insulators were cap&pin type. Z>These units were supported high on the bus support structure, they were probably CB disconnect switches. They were mounted with the porcelain in the horizontal position.Z?Z@Z8Z9Z=) Z>85Mounted on body of 230/115 kV McGraw Edison TR Bank 7Z?Z@Z8Z9Z=; Z>ebMounted on General Electric TR Banks 5 & 6. It is not clear how they are mounted - body or boom.Z?Z@Z8Z9Z= Z>Seven TRs mounted on large elevated pads. Three mounted with bolts that were grouted in along sides of pad through large angle came lose. This was an old installation. The grout had the consistency of very weak plaster of Paris.Z?0" Z@# The was no impact of operations. Z8 McGraw EdisonZ9$ Z=%"photo page 3-74 of EPRI NP-7500-SLZ>h Z?Replace seals at upper connection to stop leaking. Not sure how many leaks. I think there were 4 TRs. On return visit I thought that deformation of lower support was recorded but I could not find it in my slides.h' Z@96Excavate to remove soil that had absorbed spilled oil.D61l]=FBjf/.8e/******************************** Z8General ElectricZ9Z=Z>Z?Z@Z8Z9X Z=Section of rigid bus that passes over bus support structure and forms connection between flexible bus and CB had its end casting fail.Z>Z?h% Z@74The fallen bus fell on flexible bus of three phases.Z8Z98& Z=`]Hook connection between strain bus and bus support structure became unhooked and dropped bus.Z>Z?Z@Z8Z9 Z= Transfer bus.Z>l Z?wtPost insulators supporting a section of transfer bus failed, allowing the bus to fall in one case or drop in another# Z@74The fallen bus fell on flexible bus of three phases.Z8Z9 Z= Transfer BusZ>Z?Z@Z8Z9\ Z=Section of rigid bus that that connects to flexible bus to by-pass CB on top of support structure had its end casting fail, allowing rigid bus to swing and come in contact with bus support structure.Z>Z?" Z@74The fallen bus fell on flexible bus of three phases.Z8Z9 Z=Synchronous Condenser. When I visited the site, it looked like one of the units was being worked on. There was a portable nitrogen supply connected to the units. There may have been a gas leak.Z>Z?Z@p Z8S & CZ9 Z=Circuit switcher 115 kVZ> Z? Blew up.@ Z@CB 112 relayed on fault pressure. There was not test made. Bank was inspected, looked OK and CB closed @ 1410. At 1425 117 blew up and CB 112 isolated station. Cleared 117 and picked up one bank. Z8Allis Chalmers Z9 ABM SN 11714Z=Z>! Z?>;Aluminum casting that supports the interrupter head failed. Z@41Out of service for 4 days - no effect on service. Z8Allis Chalmers Z9 ABM SN 117144 Z=41seismic specification was 0.2g static horizontal.Z>Z?Z@ Z8 Westinghouse Z9 2300SF1500Z=Z>Z?Z@ Z8PenL Z9 Oil, RHE90Z=Z>Z?Z@ Z8 Westinghousep Z9SF6 500SF35000, SN 3-62Y5007x Z=PMNo Seismic modifications, original specifications was .2g horizontal - static@ Z>~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.@ Z?Interrupter head support column adjacent to CT failed - lowest ceramic member cracked. 4 damaged guys. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units,Z@  Z8 Westinghouse Z9SF6 500SF35000, SN 3-62Y5007 Z=No Seismic modifications@ Z>~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.\ Z?2 damaged guys. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may be differences in frequency.Z@ Z8 Westinghouse0 Z9SF6 500SF35000, SN 3-62Y5007 Z=No Seismic modifications\ Z>~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.Z?Z@ Z8 Westinghouse Z9SF6 500SF35000, SN 3-62Y5007 Z=No Seismic modifications\ Z>~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.\ Z?Cracked interrupter head support column adjacent to CT. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may beZ@@ Z8 Westinghouse Z9SF6 500SF35000, SN 3-62Y5007 Z=No Seismic modifications\ Z>~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.Z?Z@$ Z8 Westinghouse Z9SF6 500SF35000, SN 3-62Y5007< Z=No Seismic modifications\ Z>~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.Z?Z@d Z8 Westinghouse( Z9SF6 500SF35000, SN Z 62Y5007 Z=No Seismic modifications\ Z>~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967.| Z?1 damaged guy. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may be differences in frequency.H Z@,)6 hrs to repair guy at a convenient time., Z8 Westinghouse Z9SF6 500SF35000, SN 3-62Y5007 Z=No Seismic modifications Z>~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967. Z?3 damaged guys. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may be differences in frequency.Z@l Z8 Westinghouse0 Z9SF6 500SF35000, SN 3-62Y5007 Z=No Seismic modifications Z>~Rigid connection between CB and CT, CT support is very flexible. Both welded and friction clip anchorage. Installed in 1967. Z?2 damaged guys. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may be differences in frequency.Z@ Z8 Westinghouse Z9SF6 500SF35000, SN 3-62Y5007 Z=No Seismic modifications Z>Rigid connection between CB and CT, CT support is more rigid than x2x units. Both welded and friction clip anchorage. Installed in 1968. Z?1 damaged guy - next to CT. It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may be differences in frequency.Z@ Z8 Westinghouse Z9SF6 500SF35000, SN 3-62Y5007 Z=No Seismic modifications Z>Rigid connection between CB and CT, CT support is more rigid than x2x units. Both welded and friction clip anchorage. Installed in 1968. Z?It is not clear why so many more guys on 922, 822 and 722 failed relative to 942, 842, 742. While depth of fill was probably deeper on the X22 units, motion was described as periodic so it may be differences in frequency.Z@( Z8General EelctricP Z9ATB 500380001KZ=Z>Z?Z@Z8 Z9 UnknownZ=Z>Z?Z@Z8p Z9 single phaseZ=Z>Z?Z@Z8T Z9 single phaseZ=Z>Z?Z@Z8H Z9SF6Z=Z>Z?Z@Z80 Z9OilZ=Z>Z?Z@| Z8 Westinghouse Z952SF6, 500SF35000,SN 3-62405041 Seis reinforced 1973ȴ Z=Seismically strengthened 1973 by replacing wood tendons with fiberglass. Originally were 0.2g static horizontal. Note that SCE seismic units also have dampers. Z>Anchor bolts securing friction clips on 6 legs stretched or pulled out slightly. Adjacent current transformers had tit-tat-toe chair support that was flexible and there were signs of distress in cracked paint but no permanent deformations. Rigid connec Z?Interrupter head near CT failed explosively and with internal part of interrupter severely burned. There was not significant shifting of CB on its pad. There may have been vertical impact due to stretch or pullout of anchor bolts. Motion of CT may hav  Z@/,9 days to restore, did not cause disruption. Z8 WestinghouseL Z9$!SF6, 500SF35000,SN3-624-5041 Seisy Z=Seismically strengthened 1973 by replacing wood tendons with fiberglass. Originally were 0.2g static horizontal. Note that SCE seismic units also have dampers.L Z>Anchor bolts securing friction clips on 6 legs stretched or pulled out slightly. Adjacent current transformers had tit-tat-toe chair support that was flexible and there were signs of distress in cracked paint but no permanent deformations. Rigid connecZ?Z@Z8< Z9 UnknownZ=Z>Z?Z@D8l*i'******************************** Z8General Electric Z9ATB6Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z= Z>/,Don't know how many but there are at least 6Z?Z@( Z8General Electric 192 Z99L11AW736 Alugard Z=nkPictures indicate that there was a short porcelain section at base with a coupling to a long upper section. Z>-*Mounted on boom on 230/115 Pennsylvania TR Z?63The short lower porcelain member of LA that failed. Z@416 hours to repair, no effect on operation at siteZ8Z9 Z=nkPictures indicate that there was a short porcelain section at base with a coupling to a long upper section. Z>-*Mounted on boom on 230/115 Pennsylvania TRZ?Z@Z8Z9| Z=# mounted on body of 500/230 kV TRZ>Z?Z@Z8Z9Z=d Z> Associated with 500/230 kV TRZ?Z@ Z8 Pennsylvanial Z9Spec. 10035, sn 0-02265-5-3 Z=MJRad. elements supported from tank. C&C 94700, T&F 64400, 6970 g - 54300.L Z>!230 LA on boom, 115 LA on rad.Z?Z@P Z8 Westinghouse4 Z9 single phaseZ=Z>Z?Z@t Z8 McGraw Edison< Z9Spec. 13330, sn C06503-5-7 Z=Large radiators with each element supported from maniford perp. to TR tank. 70" X 127" along TR. They are supported on non-penatrating pipe at bottom and penetrating pipe at top. There are horizontal braces at bottom but not consistant (one brace was Z>230 LA on rad.Z?Z@ Z8General Electrich Z9 OA, FA, FO, sn D577035, -6, 7 Z=2 large radiators per side with each element supported from heavy box beam perp. to TR body and with non-penatrating connection with gusset plates for vert. load. Top connection is penertatng pipe. Each 142" long. There are diagonal braces at bottom, Z>30West end of TR row. 230 kV LA installed on rad.Z?Z@ Z8 Westinghouse Z9OA, FA, FO, Core Type Z=Large radiators with each element supported from a TR tank. Rad. on sies and end. End rad has 9 sections and side has 5 with length 92". There are diagonal braces from top of TR to outside bottom of rad and is 1" rod - 5 on side rad and 3 on end. Ther Z>eb230 LA on boom. 500 LA on independent lattice structure. Units 1, 2 and 4 from east end of site.Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9 Z=ITE "watch bob" gas type Z>Z?Z@Z8Z9 Z=*'vertical tank type oil circuit breakersZ>Z?Z@, Z8 Cogenel Z9 air blast Z=HEflexible conductors, dynamic analysis 0.5 g PGA design specification Z>mounted on steel A-frame w/ horizontal pressure vessel, breaker head mounted on 30 ft high columns (diagonally braced) consisted of 3 large spherical mufflers, 4 tripping resistors, 2 capacitors, 2 extinguishing chambers Z?TQcompletely destroyed, diagonal and vertical insulators failed, breaker heads fellZ@ Z8 Cogenel Z9 air blastt Z=HEflexible conductors, dynamic analysis 0.5 g PGA design specification4 Z>mounted on steel A-frame w/ horizontal pressure vessel, breaker head mounted on 30 ft high columns (diagonally braced) consisted of 3 large spherical mufflers, 4 tripping resistors, 2 capacitors, 2 extinguishing chambers  Z?TQcompletely destroyed, diagonal and vertical insulators failed, breaker heads fellZ@ Z8 Westinghouse Z9 puffer Z=HEflexible conductors, dynamic analysis 0.5 g PGA design specification\ Z>=:no horizontal pressure vessel, no mufflers in breaker headZ?Z@< Z8GEx Z9 ATB4-6 SF6Z=D Z>supported on steel framet Z?B?2 column insulators broken , tank damage and corona ring broken| Z@ replaced$ Z8GE` Z9 ATB4-6 SF6Z=, Z>supported on steel frame8 Z? 2 column insulators shatteredZ@  Z8Trench Electric & GEZ9Z=Z>Z?Z@ Z8Trench Electric & GEZ9Z=Z>Z?Z@ Z8 AlsthomZ9Z=Z>Z?Z@ Z8 AlsthomZ9Z=Z>|V Z?spB & C broken , failure occurred just below steel fitting at mid-height, broken conductor on circuit breaker sideZ@ Z8 AlsthomZ9Z=Z>8Q Z?A in half, B&C broken at flange, failure occurred just below steel fitting at mid-height, broken conductor on circuit breaker sideZ@ Z8 AlsthomZ9Z=Z> Z?dafailure occurred just below steel fitting at mid-height, broken conductor on circuit breaker sideZ@| Z8Porter & Brown BoveriZ9Z=Z>t, Z?fcBrown Boveri failed on jaw side at base of insulators, Porter failed on hinge side in the porcelainZ@D*lir<ckksV%K]<********************************x Z8 Siemens-Allisl Z9AVB4Z=Z>Z?Z@L Z8Porter & Brown BoveriZ9Z=Z>?89=< Z>Supported on steel frameX Z?=:destroyed, A phase broke at mounting flange for insulatorsZ@Z8Z9Z=$ Z>Supported on steel frame@ Z?41damaged, C phase out of adjustment would not openZ@Z8Z9Z=  Z>Supported on steel frame| Z?^[A phase damaged, conductors from bus disconnects to bus stiffening insulators broke at baseZ@p Z8 Brown Boveri( Z9%"line side of CB 6032, single bladeZ= Z>Supported on steel frame Z?85destroyed, broke at disconect flange all three phasesZ@Z8Z9Z= Z>Supported on steel frameZ?Z@Z8Z9Z=Z> Z?,)destroyed, all three phases broke at baseZ@Z8Z9Z=Z>Z?Z@! Z8GE! Z9ALUGARD 9L11LBA1BZ=Z>t" Z?'$destroyed, A & B phase broke at baseZ@Z8Z9Z=Z>\# Z?'$destroyed, A & B phase broke at baseZ@Z8Z9Z=Z>$ Z?,)destroyed, all three phases broke at baseZ@h$ Z8 Ohio BrassL$ Z9 MPR Series FZ=Z>Z?Z@P% Z8 Ohio Brass4% Z9 MPR Series FZ=Z>H Z?destroyed, all broken at base of porcelain, may have been caused by swinging of wave traps which they were attached to by conductors Z@& Z8GE& Z9 CD31023 SINGCZ=Z> ' Z?&#destroyed, broke at base of bushingZ@& Z8GE' Z9 CD3123 SINGCZ=Z>$( Z?&#destroyed, broke at base of bushingZ@( Z8 GE Pot Dev CC' Z9 4CD52A505C6CZ=Z>) Z? destroyedZ@Z8Z9( Z=W. Pot. Dev Type FCAZ>) Z? destroyedZ@Z8) Z9 three phaseZ=Z>G Z?leaking oil around seals on bushings at the top of transformers, L-shaped connectors stressed beyond elestic limit at base causing transformers to walk and rock Z@* Z8Allis-Chalmers* Z9 single phaseZ=4B Z>500 kv bushing W Type O EBM 1675, concrete pad, anchored by steel gusset plates connected to concrete by 1" bolts and hooked over base flange = Z?leaking oil around seals on bushings at the top of transformers, 1" bolts sheared at base causing transformers to walk (8" to 10") and rock Z@+ Z8 Westinghouse+ Z9 single phaseZ=\- Z>sp500 kv bushing W Type O EBM 1675, concrete pad, anchored by embeded steel gusset plates hooked over base flange; Z?leaking oil around seals on bushings at the top of transformers, L-shaped connectors stressed beyond elastic limit at base causing transformers to walk and rock Z@l, Z8GEZ9Z=Z>Z?Z@T- Z8GEZ9Z=Z>Z?Z@ / Z8 Siemens-Allis. Z9 single blade$: Z=1.resistor assembly at top of jaw end of switchD. Z>WTswitch supported on 6 pipe columns supporting frame that held all 3 phases of switchZ?Z@/ Z8 Siemens-Allis/ Z9 single bladel9 Z=1.resistor assembly at top of jaw end of switch,/ Z>WTswitch supported on 6 pipe columns supporting frame that held all 3 phases of switch 9 Z?1.Resistor assembly broke off at base on A phaseZ@0 Z8 Siemens-Allis0 Z9 single blade4 Z=1.resistor assembly at top of jaw end of switch0 Z>WTswitch supported on 6 pipe columns supporting frame that held all 3 phases of switch4 Z?96Resistor assemblies fell to ground on all three phasesZ@1 Z8 Siemens-Allis1 Z9 single blade3 Z=1.resistor assembly at top of jaw end of switch0 Z>WTswitch supported on 6 pipe columns supporting frame that held all 3 phases of switchT2 Z?1.Resistor assembly broke off at base on A phaseZ@Z8Z9Z=1 Z>:7on top of A-frame racks supporting rigid jumper bus tie3 Z?SP2 insulators failed at base dropping rigid bus and twisting flexible conductors.Z@Z8Z92 Z=bus suspension insulatorsZ>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z94 Z=supported bus conductorsZ>8 Z?GDmay have been caused by slack bus conductor strung from post to postZ@|5 Z8GE$6 Z9OA-MSZ=5 Z>QNconcrete pad, anchored by embeded steel gusset plates hooked over base flangeZ?Z@Dq(l&G]w   }[0********* * * * * *******************d6 Z8GE 7 Z9OA-MSZ=l6 Z>QNconcrete pad, anchored by embeded steel gusset plates hooked over base flangeT7 Z?three types of failure, 1) rocking, 2) excessive movements of reactor bushings causing oil leaks, 3) terminal connector at top of bushing pulled offZ@Z8L7 Z9OilZ=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8 : Z9 three phaseZ=Z>Z?Z@Z8: Z9SF-6Z=Z>Z?Z@Z8; Z9oilZ=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@ Z 8 >  Z 9 single phase  Z =  Z >  Z ?  Z @  Z 8 |?  Z 9 single phase  Z =  Z >  Z ?  Z @  Z 8 d@  Z 9 three phase  Z =  Z >  Z ?  Z @  Z 8 LA  Z 9SF-6  Z =  Z >  Z ?  Z @  Z 8 ,B  Z 9Oil  Z =  Z >  Z ?  Z @ Z8Z9Z=Z>Z?Z@Z8Z9Z=D Z>How is it installedE Z?porcelain failed.Z@Z8Z9Z=D Z>How is it installedE Z?porcelain failed.Z@Z8Z9Z=Z>Z?Z@Z8F Z9 single phaseZ=Z>Z?Z@Z8G Z9SF-6Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8\J Z9 3 phaseZ=Z>Z?Z@Z8Z9DK Z=Synchronous CondenserZ>XL Z?0-misalignment causing loss of bearing pressureZ@Z8Z9,L Z=Synchronous CondenserZ>M Z?MJmisalignment causing loss of bearing pressure. Some could continue to run. M Z@*'one replace bearing and others realign.Z8M Z9SF-6Z=Z>Z?Z@Z8M Z9OilZ=Z>Z?Z@O Z8General ElectricN Z9ATBN Z=Model not shown in data.Z>Z?Z@P Z8General ElectricO Z9ATBO Z=Model not shown in data.Z>P Z?!leaking support column gasketsP Z@'$N restored Feb 13, S restored Feb 26Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8R Z9 single phaseZ=Z>Z?Z@D6laV *!*"*#*$*%*&*'*(*)***+*,*-*.*/*0*1*2*3*4*5*6*7*8*9*:*;*<*=*>*?* Z 8  Z 9 lS  Z =Synchronous Condensers  Z > T  Z ?2/loss of pressure, misaligned and bearing damage T  Z @realign bearings! Z!8!!Z!9!TT !Z!=Synchronous Condensers!!Z!>!!!?!!!"!"8"""9""PV "Z"?loss of oil pressure""Z"@#"Z#8##Z#9#$V #Z#=synchronous condenser##Z#>##Z#?##Z#@$#Z$8$$Z$9$$Z$=$$Z$>$W $Z$?=:6 damaged bushings at Solemint and 3 flash overs at Saugus$$Z$@%$Z%8%%Z%9%%Z%=%%Z%>%X %Z%?OLDisconnect switches missaligned at Citrus SS and porcelain damage at Newhall%%Z%@&%Z&8&&Z&9&&Z&=&&Z&>&x &Z&?Several transmission towers on several lines had to have footings or foundations compacted. While some were under construction, most were existing in-service towers. There was no disruption from these failures.&&Z&@'&Z'8''Z'9''Z'='Y 'Z'>use of tripod support'f 'Z'?post insulator failed at base. In falling it pulled the bayonet and corona ring wich burned the operating rod. This is refered to as secondary damage.'Z 'Z'@30Control rod and 3 post insulators were replaced.(Z 'Z(8Cole((Z(9((Z(=((Z(>(`_ (Z(?~Broken post insulator on line side. Unit opened and reclosed with bayonet on top of the bell on the female half of disconnect.([ (Z(@Replace insulator.)(Z)8))Z)9))Z)=))Z)>)\ )Z)?khBroken post insulator on line side. Reported as secondary damage. Need to review station for assessment.)t\ )Z)@Replace insulator.*)Z*8**Z*9**Z*=**Z*>**Z*?**Z*@+*Z+8++Z+9++Z+=++Z+>++Z+?++Z+@,+Z,8,,Z,9,,Z,=,L^ ,Z,>VSFrom picture, the LA appears to be on line between OCB and DS, an unusal situation.,,_ ,Z,?porcelain failed at base,,Z,@-,Z-8--Z-9--Z-=--Z->--Z-?--Z-@.-Z.8..Z.9..Z.=..Z.>.` .Z.?EBShifted on transfer car and slipped its rail chocks about 6 inches..Z.@/.Z/8//Z/9//Z/=//Z/>/a /Z/?@=66 kV bushing cracked, fell over and cracked bowl on its top.//Z/@0/Z0800Z0900Z0=00Z0>0b 0Z0?HEFour units sheared anchor bolts on one side and shifted 1 to 2 inches00Z0@10Z1811Z1911Z1=11Z1>1e 1Z1?support insulator broke. Rack pulled towards bus about 4" and three bus side bushings on 16 kV capacitor PCB flashed over and were replaced.11Z1@21Z2822Z292c 2Z2=Transfer bus on 2A Bank22Z2>2d 2Z2?b_Fitting on transfer bus support failed allowing one end of bus to fall. Porcelain did not fail.22Z2@3d 2Z38GE3d 3Z39ATB33Z3=33Z3>33Z3?33Z3@4e 3Z48GE4e 4Z49ATB44Z4=44Z4>444?44454585559555=555>555?55565686669666=666>674i 7Z7?<9broke from steel post support pedestal and fell to ground77Z7@8,i 7Z88GE8$i 8Z89ATB88Z8=88Z8>88Z8?88Z8@98Z989 j 9Z99SF699Z9=99Z9>99Z9?99Z9@:k 9Z:8 Westinghouse:j :Z:9SF6 non-seismic::Z:=::Z:>::Z:?::Z:@;@l :Z;8 Westinghouse; l ;Z;9SF6 non-seismic;k ;Z;= Vincent is not on data sheets;;Z;>;r ;Z;?Individual data is not vailable. 3 porcelain columns failed, 2 columns cracked of the 9 columns, 10 of 18 porcelain guys failed. 5 of 9 twisted clockwise as view from above.;Dm ;Z;@+(41 days before spares could be obtained.<(m ;Z<8 Westinghouse<m <Z<9SF6 non-seismic<l <Z<= Vincent is not on data sheets<<Z<><$o <Z<?0-4 porcelain guys on N and 7 guys on S failed.<m <Z<@gdGuy damage would not effect operation. Units were repaired and put back into service within 48 hrs.=<Z=8==Z=9==Z====Z=>==Z=?==Z=@>=Z>8>>Z>9>n >Z>=0-Vincent is not on data sheets. What is type?>n >Z>>How is it installed?>o >Z>?1.Post insulator failed. Unit out of alignment.>>Z>@?>Z?8??Z?9?o ?Z?=Probably don't have all DS1?o ?Z?>How is it installed???Z????Z?@D%l0oN? ZJJ@*A*B*C*D*E*F*G*H*I*J*K*L*M*N*O*P*Q*R*S*T*U*V*W*X*Y*Z*[*\*]*^*_*@?Z@8@@Z@9@p @Z@= Vincent is not on data sheets@lp @Z@>How is it installed?@Lq @Z@?porcelain failed.@@Z@@A@ZA8AAZA9AAZA=AAZA>AAZA?AAZA@BAZB8BBZB9Bhr BZB= Vincent is not on data sheetsBHow is it installed?BBZB?BBZB@CBZC8CCZC9CCZC=CCZC>CCZC?CCZC@DCZD8DDZD9D t DZD= Vincent is not on data sheetsDDZD>DLu DZD?Radiator leak.D0u DZD@ restoration?EDZE8EEZE9Et EZE= Vincent is not on data sheetsEEZE>E v EZE?LA damaged radiator fan.EEZE@FEZF8FFZF9Fv FZF= Bus supportFu FZF>How is it installed?Fw FZF?412 post insulators failed. How many did not fail?FFZF@GFZG8GGZG9Gv GZG= Bus supportGv GZG>How is it installed?Gw GZG?412 post insulators failed. How many did not fail?GGZG@HGZH8Hw HZH9OilHHZH=HHZH>HHZH?HHZH@IHZI8IIZI9IIZI=IIZI>IIZI?IIZI@JIZJ8JJZJ9JJZJ=JJZJ>JJZJ?JJZJ@KJZK8KKZK9KKZK=KKZK>KKZK?KKZK@L{ KZL8General ElectricL{ LZL9 8275998LL{ LZL=Single phase 220/66 kV TR.LLZL>L} LZL?74220 bushing gasket leaks. Anchorage was distressed.L| LZL@2/Replace 220 kV bushing on 220/66 kV B phase TR.M| LZM8General ElectricMl| MZM98276000, -1, -2M4| MZM=Single phase 220/66 kV TRs.MMZM>MMZM?MMZM@Nl} MZN8General ElectricNT} NZN9 8275997, -9N} NZN=Single phase 220/66 kV TRs.NNZN>NNZN?NNZN@O\~ NZO8 WestinghouseO<~ OZO93418517, -8, -9O~ OZO=Single phase 220/66 kV TRs.OOZO>Oh OZO?74220 bushing gasket leaks. Anchorage was distressed.OX OZO@A>Replace each 220 kV bushing on each single phase 220/66 kV TR.PL OZP8 WestinghouseP$ PZP93772575, 4088092,-3P~ PZP=Single phase 220/66 kV TRs.PPZP>P PZP?74220 bushing gasket leaks. Anchorage was distressed.P PZP@A>Replace each 220 kV bushing on each single phase 220/66 kV TR.Q PZQ8General ElectricQ QZQ9ATB7QQZQ=QQZQ>Qh QZQ?yvOne of the outside interrupter head bushing blew. From slack that was available it appears that head moved about 12".QQZQ@RȀ QZR8General ElectricR RZR9ATB7RRZR=RRZR>R, RZR?-*Crack at sandring allowed SF6 to leak out.Rԁ RZR@-*Lower porcelain member had to be replaced.S RZS8General ElectricS SZS9ATB7SSZS=SSZS>S SZS?52Porcelain interrupter head support columns failed.S SZS@# Dead tank replacement unit used.T SZT8General ElectricT TZT9ATB7TTZT=TTZT>TTZT?TTZT@UTZU8UUZU9UUZU=UUZU>UUZU?UUZU@VUZV8VVZV9VVZV=VVZV>VVZV?VVZV@Wh VZW8General ElectricW WZW9ATB7WD WZW=ifThese units were put in at a time when seismic awareness was low and only standard CBs were available.W WZW>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.W, WZW?YVThe gaskets on the 2 interrupter head bushings that were connected to each other blew.W WZW@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.XD WZX8General ElectricX XZX9ATB7X, XZX=ifThese units were put in at a time when seismic awareness was low and only standard CBs were available.Xܯ XZX>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.X XZX?Only one of the gaskets on the 2 interrupter head bushings that were connected to each other blew. Porcelain part of high pressure air supply broke. Support column containing CT failed.X0 XZX@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.Y XZY8General ElectricY YZY9ATB7Y YZY=These units were put in at a time when seismic awareness was low and only standard CBs were available. The interrupter heads on this unit weighed 3600 pounds vs 2600 for most other units.Y YZY>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.Yx YZY?The gaskets on the 2 interrupter head bushings that were connected to each other blew. Porcelain part of high pressure air supply broke. Interrupter head support column failed (column w/o CT)Y YZY@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.Z YZZ8General ElectricZ ZZZ9ATB7Z ZZZ=These units were put in at a time when seismic awareness was low and only standard CBs were available. The interrupter heads on this unit weighed 3600 pounds vs 2600 for most other units.ZȢ ZZZ>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.Z̡ ZZZ?|The gaskets on the 2 interrupter head bushings that were connected to each other blew. Support column containing CT failed.ZP ZZZ@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.[ ZZ[8General Electric[ [Z[9ATB7 (isolated)[Ԟ [Z[=These units were put in at a time when seismic awareness was low and only standard CBs were available. The interrupter heads on this unit weighed 3600 pounds vs 2600 for most other units.[Ԝ [Z[>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage. Unit mounted on 3/4" elastomer pad[ [Z[?_\Only one gaskets on the 2 interrupter head bushings that were connected to each other blew. [p [Z[@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.\ [Z\8General Electric\̉ \Z\9ATB7 (isolated)\ \Z\=These units were put in at a time when seismic awareness was low and only standard CBs were available. The interrupter heads on this unit weighed 3600 pounds vs 2600 for most other units.\ \Z\>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage. Unit mounted on sock isolators of\\Z\?\| \Z\@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.] \Z]8General Electric] ]Z]9ATB7] ]Z]=These units were put in at a time when seismic awareness was low and only standard CBs were available. The interrupter heads on this unit weighed 3600 pounds vs 2600 for most other units.]H ]Z]>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.]4 ]Z]?The gaskets on the 2 interrupter head bushings that were connected to each other blew. Porcelain part of high pressure air supply broke.] ]Z]@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts.^ ]Z^8General Electric^l ^Z^9ATB7^ ^Z^=ifThese units were put in at a time when seismic awareness was low and only standard CBs were available.^܍ ^Z^>Support structures were designed for 0.5g and were very beefy with welded tubular steel members. Each of 4 legs was bolted to slab with 4 bolts. There were no indications of distress in the structure or its anchorage.^| ^Z^?The gaskets on the 2 interrupter head bushings that were connected to each other blew. Porcelain part of high pressure air supply broke. Support column containing CT failed.^ ^Z^@Units were removed to pump plant for restoration. Spare parts were a difficulty with estimated delivery times of about 1 month with no guarantee. There was some cannibalization for parts._P ^Z_8General Electric_O _Z_9ATB7_O _Z_=Same as for damaged units_XO _Z_>Same as for damaged units__Z_?__Z_@D :l ++}eJHX~`*a*b*c*d*e*f*g*h*i*j*k*l*m*n*o*p*q*r*s*t*u*v*w*x*y*z*{*|*}*~**`_Z`8`@O `Z`9 low design``Z`=``Z`>``Z`?``Z`@a`Za8a(O aZa9 low designaaZa=aaZa>aaZa?aaZa@baZb8bbZb9bbZb=bbZb>bbZb?bbZb@cbZc8cO cZc9 three phaseccZc=cN cZc> Well anchoredcN cZc?85Minor oil leak at top connection of radiator to tank.ccZc@dcZd8dpN dZd9 three phaseddZd=dTN dZd> Well anchoredddZd?ddZd@edZe8e4K eZe9SF-6eeZe=eeZe>eeZe?eeZe@f0N eZf8General Electricf(K fZf9ATB4ffZf=ffZf>fN fZf?CT leak on C phasefM fZf@Completed 10/2.87 @ 0339gK fZg8General Electric?gJ gZg9ATB4?ggZg=g middle phasegJ gZg?Leaking nin-CT columngXM gZg@@=Completed 10/5/87 @ 1200. Note that it was after aftershock.hJ gZh8General Electrich$B hZh9 ATB 4-6hhZh=hhZh>hhZh?hhZh@ihZi8iiZi9iiZi=iiZi>iiZi?iiZi@jiZj8jjZj9jjZj=jjZj>jjZj?jjZj@kjZk8kI kZk9single phase, unitkkZk=kkZk>kkZk?kkZk@lkZl8lI lZl9 single phasellZl=llZl>llZl?llZl@mlZm8mI mZm9 single phasemmZm=mmZm>mhI mZm?*'nitrogen leak due to ruptured diaphram.m4I mZm@Completed 10/2/87 @ 0607.nmZn8nI nZn9three phase, unitnnZn=nnZn>nnZn?nnZn@oH nZo8Westinghouse and ITEoH oZo92300SF15000/20000-25ooZo=ooZo>ooZo?ooZo@pH oZp8 WestinghouseppH pZp92300SF15000/20000-30ppZp=ppZp>pC pZp? not knownpPH pZp@to be replacedqF pZq8Allis Chalmersq̜ qZq9oilqqZq=qqZq>qqZq?qqZq@rtG qZr8General ElectricrLG rZr9ATB5 230-20000-5-20rrZr=rrZr>rG rZr?OLfunctional immediately after eq, EPRI report indicates all had leaking sealsrrZr@s(G rZs8General ElectricslF sZs9ATB5 230-20000-5-20ssZs=ssZs>s4F sZs?porcelain column shatteredsF sZs@ to be rebuilttsZt8ttZt9tC tZt= frame mountedttZt>ttZt?ttZt@utZu8uuZu9uuZu=uuZu>uuZu?uuZu@vuZv8v9 vZv9 3 o sparevE vZv=JGrail mounted, steel strap welded to TR and bolted to concrete base matvvZv>vvZv?vvZv@wC vZw8Allis Chalmersw@E wZw9%"1-0140-24784-1,-3;2-0102-9162-3, 7wD wZw=JGrail mounted, steel strap welded to TR and bolted to concrete base matwwZw>wwZw?wwZw@xB wZx8General ElectricxB xZx9 3o D572975x D xZx=JGrail mounted, steel strap welded to TR and bolted to concrete base matxxZx>xxZx?xxZx@yB xZy8 PennsylvaniayB yZy9 3o 01823-5-1y8C yZy=JGrail mounted, steel strap welded to TR and bolted to concrete base matyyZy>yXB yZy?,)Leaking 230 kV bushings. 2 or 3 bushingsyA yZy@/,Replaced "O" rings. Restored 11/2/87 @ 1630zA yZz8General Electricz\A zZz9ATB5 230-20000-5-20zzZz=zzZz>z A zZz?Leak in non-CT columnz@ zZz@Completed 10/3/87 @ 0227{@ zZ{8General Electric{@ {Z{9ATB5 230-20000-5-20{{Z{={{Z{>{p@ {Z{?Leak in non-CT column{<@ {Z{@Completed 10/4/87 @ 1654|@ {Z|8General Electric|0 |Z|9ATB4|? |Z|=63Written summary list ATB4 but data sheet gives W +M||Z|>|= |Z|? 1 CT column| ? |Z|@IFCompleted 10/6/87 @ 2100. Note that repair was done after aftershock.}> |Z}8General Electric}> }Z}9ATB5 230-20000-5-20}}Z}=}}Z}>}> }Z}?Leaks in CT columns}}Z}@~> }Z~8General Electric~X> ~Z~9ATB5 230-20000-5-20~~Z~=~~Z~>~0> ~Z~?Leaks in CT columns~= ~Z~@Completed 10/3/87 @ 0227= ~Z8General ElectricD- Z9ATB4Z=Z>Z?Z@D#l( ]'J,$R<331********************************d= Z8General Electric8= Z9ATB4 230-20000-6Y20< Z=96Written summary list ATB4 but data sheet suggests ATB6Z>< Z?+(Leak in 2 non-CT column and 3 CT columns; Z@IFCompleted 10/6/87 @ 2100. Note that repair was done after aftershock.; Z8General Electric; Z9ATB4 230-20000-6Y20Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@p; Z8General ElectricX; Z9 three phaseZ=Z>Z?Z@Z8\, Z9SF-6Z=Z>Z?Z@Z8ԯ Z9oilZ=Z>?89=>?89=>?8<; Z9 single phaseZ=Z>Z?Z@Z8Z9 ; Z=What type of equipmentZ>X: Z?[XTopping up needed but no leak found suggests that there was a leak that was self healingZ@4: Z8General Electric) Z9ATB7Z=Z>?8<$ Z9SF-6Z=Z>Z?Z@Z8, Z9oilZ=Z>Z?Z@9 Z8General Electric Z9 ATB 4-6Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z89 Z9 three phaseZ=Z>Z?Z@Z8 Z9SF-6Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z89 Z9 single phaseZ=Z>Z?Z@Z8Z9d9 Z=Are there 66 kV SF6 CBs?Z>89 Z?Ruptured releif valveZ@9 Z8General Electric Z9ATB7Z=Z>8 Z?,)non-CT columns leaking. crcked insulator.8 Z@17 week lead time. 8 Z8General Electric0 Z9ATB7Z=Z>`8 Z?2 non-CT columns leaking.7 Z@complete 10/2/87 @ 23277 Z8General Electric` Z9ATB7Z=Z>7 Z?2 non-CT columns leaking.P7 Z@complete 10/2/87 @ 1601,7 Z8General Electric Z9ATB7Z=Z>6 Z?,)There may be others that are not damaged.Z@Z8 Z9SF-6Z=Z>Z?Z@Z8 Z9oilZ=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z86 Z9 three phaseZ=Z>Z?Z@DlB1''********************************Z8Z9Z=Z>5 Z?[XTopping up needed but no leak found suggests that there was a leak that was self healingZ@Z88 Z9SF-6Z=Z>Z?Z@5 Z8General Electric Z9 ATB 4-6Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9\5 Z=Not sure of voltageZ>Z?Z@Z8Z905 Z=Not sure of voltagesZ>5 Z?Chipped bushingZ@Z8/ Z9 three phaseZ=Z>Z?Z@4 Z8General Electric4 Z9ATB4 230-20000-0-20?l4 Z=,)Note model no. indicated as Westinghouse.Z>3 Z?KH2 interrupter head bushings leaking, 1 CT and 1 non 0CT columns leaking.3 Z@b_repairs 60% complete 10/5/87. Note that repairs were not colpleted until after the aftershock.Z8 Z9SF6Z=Z>Z?Z@Z8t Z9oilZ=Z>Z?Z@2 Z8General Electric2 Z9ATB4 230-20000-0-20?Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z82 Z9 single phaseZ=Z>Z?Z@Z8 Z9 three phaseZ=Z>Z?Z@Z8Z92 Z=What type of CB?Z>X2 Z?Cracked 66 kV bushing.Z@h+ Z8 Westinghouse,2 Z92300SF15000/20000-25Z=Z>Z?Z@2 Z8General Electric1 Z9ATB5 230-20000-5-20Z=Z>x1 Z?63leaking support column gasket. How many phases out?@1 Z@Three days 14 hrs to repair1 Z8General Electric. Z9ATB5 230-20000-5-20Z=Z>. Z?63leaking support column gasket. How many phases out?d0 Z@HECan be restored by 10/10 (9 days) working 24 hr shift if part arrive.- Z8General Electric- Z9ATB5 230-20000-5-20Z=Z>, Z?63leaking support column gasket. How many phases out?+ Z@HECan be restored by 10/10 (9 days) working 24 hr shift if part arrive.) Z8General Electricd) Z9ATB5 230-20000-5-20Z=Z>+ Z?63leaking support column gasket. How many phases out?* Z@HECan be restored by 10/10 (9 days) working 24 hr shift if part arrive.@) Z8General Electric) Z9ATB5 230-20000-5-20Z=Z>/ Z?iffunctional immediately after earthquake, EPRI report indicates that all CBs eventually developed leaksZ@( Z8General Electric|( Z9ATB5 230-20000-5-20Z=Z>( Z?63leaking support column gasket. How many phases out?T' Z@a^Can be restored by 10/10 (9 days) working 24 hr shift if part arrive. Restored 10/4/87 @ 03300' Z8General Electric' Z9ATB5 230-20000-5-20Z=Z>& Z?63leaking support column gasket. How many phases out?& Z@HECan be restored by 10/10 (9 days) working 24 hr shift if part arrive.$ Z8General Electric4# Z9ATB5 230-20000-5-20Z=Z>% Z?63leaking support column gasket. How many phases out?p% Z@Three days 10 hrs to repair.Z8Z9Z=# Z> frame mountedZ?Z@Z8Z9Z=P" Z>How was it installed?" Z?Failed porcelain column# Z@IFCan be restored by 10/10 (9 days) working 24 hr shift if part arrives.Z8Z9Z=Z>Z?Z@," Z8General Electric Z93o D582895, D596229Z=< Z># Welded to embedded steel on matsZ?Z@Z8Z9Z= Z>How is it mounted?Z?Z@Z8Z9Z=Z> Z?.+4 post insulators for bus supports damaged.T Z@Replaced 10/3/87 @ 2010D$l%S}}}d}TM ******************************** Z8Allis Chalmersd Z9oilZ=Z>Z?Z@Z8Z9Z= Z> frame mountedZ?Z@Z8Z9Z=Z>Z?Z@@ Z8Allis Chalmers Z9 single phaseZ=l Z>/,anchored by gussets welded to embedded steelZ?Z@  Z8 Westinghousep Z9220000-072000 5066610Z= Z>/,anchored by gussets welded to embedded steelZ?Z@@ Z8 Westinghouse Z9220000-072000 506668, -9Z= Z>/,anchored by gussets welded to embedded steelt Z?,)functional, oil leaks at radiator flange.Z@( Z8 Westinghouse Z9 220000-072000 5069946, -7, -8Z= Z>/,anchored by gussets welded to embedded steel Z?,)functional, oil leaks at radiator flange.Z@Z8Z9Z=H Z>How is it mounted?! Z?XUFailure of porcelain. What voltage. What is significance of "Painted Bushing Cap"?Z@Z8Z9Z=  Z>How is it mounted?, Z?DA. What voltage. What is significance of "Painted Bushing Cap"?Z@Z8Z9Z=Z> Z?0-Fitting on transfer bus broke?, What voltage?Z@Z8Z9 Z=What type of TR?Z>\ Z?Leaking 66 kV bushing.Z@8 Z8Need manufacturerZ9Z=Z> Z?Leaking bushingsl$ Z@Can be restored by 10/3 23:55 (2 Days 16 hrs). 1200 amp bushing was used instead of 1600 amp bushing as spare was not available. Z8oilZ9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=d Z>How were LA installed?Z?Z@Z8@ Z9 three phase Z=LIWhat type of TR: Radiator size and mounting, LA mounting, No. of Phases?Z> Z?What was damage to bushings?@ Z@OLThere was not disruption of service due to bushing damage. Was it repaired?Z8( Z9 three phaseZ=Z>Z?Z@Z8Z9 Z=XUThe boom was moderate length and had small gussets to stiffen the boom-TR connection. Z>Installed on three porcelain standoffs. There was almost no slack between bushing and LA and between LA and bus support column.D Z?:7Cracked at base. Hinge is consistent with pull on bus.Z@Z8Z9 Z=XUThe boom was moderate length and had small gussets to stiffen the boom-TR connection. Z>Installed on three porcelain standoffs. There was almost no slack between bushing and LA and between LA and bus support column.Z?Z@ Z8 HitachiZ9 Z=633-phase, Bushings mounted on top of tall cylinders.Z> Z?Three of the six bushings leaked, were leaking and had to be removed to restore. One bushing had a hairline crack along its length. These are draw-type bushings and the cracked unit had a tight fit to the draw mechanism. Z@ZWThe three bushings that had shifted and were leaking were repaired in the bushing shop. Z8 WestinghouseZ9 Z= 3 phaseZ>D Z?JGThe TR case, about 3-1/2' above base had a crack in a weld at a corner. Z@<9Using a center punch, metal was moved to close the crack. Z8 WestinghouseZ9 Z= 3 phaseZ>Z?Z@Z8Z9 Z= 3 phaseZ>Z?Z@l Z8General Electric Z9ATB7X Z==:See TCLEE Mongraph 8, some equipment missing from drawingsZ>Z?Z@Z8 Z9SF-6 Z==:See TCLEE Mongraph 8, some equipment missing from drawingsZ>Z?Z@Z8 Z9SF-6 Z==:See TCLEE Mongraph 8, some equipment missing from drawingsZ>Z?Z@ Z8General Electric Z9 ATB 4-6  Z==:See TCLEE Mongraph 8, some equipment missing from drawingsZ>Z?Z@ Z8General Electric Z9 ATB 4-6 Z==:See TCLEE Mongraph 8, some equipment missing from drawingsZ>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z> Z?only required adjustmentZ@Z8Z9Z=Z> Z?visibly damagedZ@D&l!([`;'}Qu),,********************************Z8Z9Z=Z> Z?seriously damagedZ@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@ Z8 Mitsubishi\ Z9SF6d Z=:7Qualified by a 0.5g 10 cycle sine-beat shake table testZ>Z?Z@ Z8 MitsubishiD Z9SF6L Z=:7Qualified by a 0.5g 10 cycle sine-beat shake table testZ>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9 Z=:7Qualified by a 0.5g 10 cycle sine-beat shake table testZ>p Z?b_2 columns failed at base, Damage caused by interaction from adjacent equipment, pull over by WTZ@Z8Z9 Z=:7Qualified by a 0.5g 10 cycle sine-beat shake table testZ> Z?c`1 column failed at base, Damage caused by interaction from adjacent equipment, pulled over by WTZ@Z8Z9t Z=:7Qualified by a 0.5g 10 cycle sine-beat shake table testZ> Z?da2 columns failed at base, Damage caused by interaction from adjacent equipment, pulled over by WTZ@Z8Z9 Z=Dynamic Analysis\ Z>?<Tripod Support, Center Break, picture page 32 ASCE reference Z?both tripods failedZ@Z8Z9 Z=Dynamic AnalysisD Z>?<Tripod Support, Center Break, picture page 32 ASCE reference Z?1 tripod failedZ@Z8Z9 Z=Dynamic Analysis, Z>?<Tripod Support, Center Break, picture page 32 ASCE reference Z?1 tripod failedZ@Z8Z9 Z=:7Qualified by a 0.5g 10 cycle sine-beat shake table testZ>Z?Z@Z8Z9x Z=Dynamic Analysis Z>?<Tripod Support, Center Break, picture page 32 ASCE referenceZ?Z@T Z8Southern StatesZ9 Z=!Center break, sine beat tested Z>heavily braced support Z?$!1 column failed, see page 56 ASCEZ@Z8Z9 Z= Center breakZ> Z?$!1 column failed, see page 56 ASCEZ@Z8Z9 Z= Center breakZ>Z?Z@Z8Z9 Z= Center breakZ> Z?$!1 column failed, see page 56 ASCEZ@Z8Z9 Z= Center breakZ>Z?Z@Z8Z9l Z= Center breakZ>Z?Z@Z8Z9T Z= Center breakZ>X Z?$!1 column failed, see page 57 ASCEZ@Z8Z9< Z= Center breakZ>Z?Z@Z8Z9$ Z= Center breakZ>( Z?$!2 column failed, see page 59 ASCEZ@Z8Z9  Z= Center breakZ> Z?$!1 column failed, see page 59 ASCEZ@Z8Z9 Z= Center breakZ> Z?$!1 column failed, see page 59 ASCEZ@D"ljkl:66 F********* * * * * *******************Z8Z9 Z= Center breakZ>T Z?$!2 column failed, see page 59 ASCEZ@4 Z8Southern StatesZ9 Z=!Center break, sine beat tested Z>heavily braced support Z?See page 56 ASCEZ@Z8Z9 Z= Center breakZ>Z?Z@Z8Z9Z=Z>" Z?(%direct communication from Rulon FronkZ@Z8Z9Z=|" Z>Post Supported\# Z?Failure in porcelainZ@Z8Z9Z=Z>Z?Z@Z8Z9Z=L$ Z>Post supportedZ?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@ Z 8  Z 9  Z =  Z >  Z ?  Z @  Z 8  Z 9  Z =  Z > (  Z ?(%direct communication from Rulon Fronk  Z @  Z 8  Z 9  Z =  Z > )  Z ?(%direct communication from Rulon Fronk  Z @  Z 8 )  Z 9 1 phase  Z =  Z > *  Z ?(%direct communication from Rulon Fronk  Z @  Z 8 *  Z 9 1 phase  Z =  Z > +  Z ?(%direct communication from Rulon Fronk  Z @ Z8Z9Z=Z>l, Z?:7failure of 1 post insulator restraint, see page 56 ASCEZ@Z8Z9Z=Z>T- Z?96failure of post insulator restraints, see page 57 ASCEZ@Z8Z9Z=Z><. Z?96failure of post insulator restraints, see page 57 ASCEZ@Z8Z9Z=Z>L/ Z?%"Failure of support post insulatorsZ@Z8Z9,/ Z=Post restraintZ>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z90 Z=Cable restraintZ>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>d6 Z?/,Post insulators failed, base bolts stretchedZ@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>48 Z?Post insulator failedZ@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>: Z?Post insulators failedZ@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Dl5 *!*"*#*$*%*&*'*(*)***+*,*-*.*/*0*1*2*3*4*5*6*7*8*9*:*;*<*=*>*?* Z 8  Z 9  Z =  Z >  Z ?  Z @! Z!8!!Z!9!!Z!=!!Z!>!= !Z!?Failed at based of column!!Z!@"!Z"8""Z"9""Z"=""Z">""Z"?""Z"@#"Z#8##Z#9##Z#=##Z#>##Z#?##Z#@$#Z$8$$Z$9$$Z$=$$Z$>$$Z$?$$Z$@%$Z%8%%Z%9%%Z%=%%Z%>%%Z%?%%Z%@&%Z&8&&Z&9&LA &Z&= 3 phase&&Z&>&DB &Z&? Lost LAs&&Z&@'&Z'8''Z'9'4B 'Z'= 3 phase''Z'>''Z'?''Z'@('Z(8((Z(9(C (Z(= single phase((Z(>((Z(?((Z(@)(Z)8))Z)9)D )Z)= single phase))Z)>))Z)?))Z)@*)Z*8**Z*9**Z*=**Z*>**Z*?**Z*@+*Z+8++Z+9++Z+=++Z+>+F +Z+?;8All wave traps undamaged but restraint on one WT damaged++Z+@,+Z,8,,Z,9,,Z,=,,Z,>,G ,Z,? Post failed,,Z,@-,Z-8--Z-9--Z-=--Z->--Z-?--Z-@.-Z.8..Z.9..Z.=..Z.>..Z.?..Z.@/.Z/8//Z/9//Z/=//Z/>//Z/?//Z/@0/Z0800Z0900Z0=0\J 0Z0>96Most units are anchored with bolts through skid frame.0L 0Z0?b_Some units showed signs of distress in the anchore bolts, that is, chipped paint or bent bolts.00Z0@10Z1811Z191L 1Z1=FCTotal number of CCVTs disagrees with number in TCLEE report page 611DK 1Z1>heNote that these units are supported on a beam spanning 2 DS rather than on its own support sturcture.11Z1?11Z1@21Z2822Z2922Z2=22Z2>22Z2?22Z2@32Z3833Z3933Z3=33Z3>33Z3?33Z3@43Z4844Z4944Z4=44Z4>44Z4?44Z4@54Z5855Z595 5Z5=Center break, Units supported on four columns with diagonal brace in plane of switch. Pict 10-3. Note that a rigid bus connects the Bus 1 and Bus 2 Positions in all positions except the bank positions, where most failures occurred.55Z5>5HP 5Z5?Both support columns failed.55Z5@65Z6866Z696 6Z6=Center break, Units supported on four columns with diagonal brace in plane of switch. Pict 10-3. Note that a rigid bus connects the Bus 1 and Bus 2 Positions in all positions except the bank positions, where most failures occurred.6O 6Z6>@=Note that a rigid bus connects the Bus 1 and Bus 2 Positions.6 6Z6?All of these failures were to the column that is connected by rigid bus to the adjacent switch. Note that these switches are braced in the direction of the rigid bus connection.66Z6@76Z7877Z797 7Z7=Center break, Units supported on four columns with diagonal brace in plane of switch. Pict 10-3. Note that a rigid bus connects the Bus 1 and Bus 2 Positions in all positions except the bank positions, where most failures occurred.7P 7Z7> 7Q 7Z7?Both support columns failed77Z7@87Z8888Z898 8Z8=Center break, Units supported on four columns with diagonal brace in plane of switch. Pict 10-3. Note that a rigid bus connects the Bus 1 and Bus 2 Positions in all positions except the bank positions, where most failures occurred.88Z8>8|R 8Z8?unknown failure mode88Z8@98Z9899Z999 9Z9=Center break, Units supported on four columns with diagonal brace in plane of switch. Pict 10-3. Note that a rigid bus connects the Bus 1 and Bus 2 Positions in all positions except the bank positions, where most failures occurred.99Z9>9Xh 9Z9?JGSome of these units have been damaged, but their position is not known.99Z9@:9Z:8::Z:9:S :Z:=Schematic on page 66 of ASCE:lS :Z:>)&LA bus connection to directly bushing.:T :Z:? 2 LA failed at standoff::Z:@;:Z;8;;Z;9;T ;Z;=Schematic on page 66 of ASCE;TT ;Z;>)&LA bus connection to directly bushing.;U ;Z;?1 failed at base of LA.;;Z;@<;Z<8<<Z<9<U <Z<=Schematic on page 66 of ASCE<.+LA bus connection not directly to bushings.<b <Z<?>;All LA failed but it is not known if there are standoffs. <<Z<@=<Z=8==Z=9=|V =Z==Schematic on page 66 of ASCE=$V =Z=>.+LA bus connection not directly to bushings.=] =Z=?>;All LA failed but it is not known if there are standoffs. ==Z=@>=Z>8>>Z>9>dW >Z>=Schematic on page 66 of ASCE> W >Z>>.+LA bus connection not directly to bushings.>>Z>?>>Z>@?>Z?8?X ?Z?9 3-phase?DX ?Z?=Schematic on page 66 of ASCE?W ?Z?>)&LA bus connection to directly bushing.? b ?Z??NKAll high voltage bushings moved. 2 LA failed at standoff, 1 at base of LA.??Z?@D&li|54]]@*A*B*C*D*E*F*G*H*I*J*K*L*M*N*O*P*Q*R*S*T*U*V*W*X*Y*Z*[*\*]*^*_*@?Z@8@pY @Z@9 3-phase@4Y @Z@=Schematic on page 66 of ASCE@X @Z@>.+LA bus connection not directly to bushings.@P @Z@?All high voltage bushings moved. Also leaks in low voltage bushings. All LA failed but it is not known if there are standoffs. Anchor bolts stretched. There was a oil leak but it is not known if it is just the bushings.@@Z@@A@ZA8AHZ AZA9 3-phaseA Z AZA=Schematic on page 66 of ASCEAY AZA>&#LA bus connections not to bushings.A a AZA?NKAll high voltage bushings moved. 1 LA failed at standoff, 2 at base of LA.AAZA@BAZB8B@[ BZB9 3-phaseB[ BZB=Schematic on page 66 of ASCEBZ BZB>.+LA bus connection not directly to bushings.B\ BZB?*'It is not known if there are standoffs.BBZB@CBZC8CCZC9CCZC=C[ CZC>PMNote that this unit had the post insulators supported on a beam spanning 2 DSCt\ CZC?(%Unit was tilting, but was functional.CCZC@DCZD8DDZD9DDZD=D$g DZD>zwNote that this unit had the post insulators supported on a beam spanning 2 DS rather than on its own support sturcture.D\] DZD?=:Unit had to be removed and replaced, but damage not known.DDZD@EDZE8EEZE9EEZE=E$_ EZE>zwNote that this unit had the post insulators supported on a beam spanning 2 DS rather than on its own support sturcture.E^ EZE?Units tilted,but functional.EEZE@FEZF8FFZF9FFZF=FL^ FZF>PMNote that this unit had the post insulators supported on a beam spanning 2 DSFFZF?FFZF@GFZG8GGZG9GGZG=Gd GZG>zwNote that this unit had the post insulators supported on a beam spanning 2 DS rather than on its own support sturcture.GGZG?GGZG@HGZH8HHZH9HHZH=H` HZH>zwNote that this unit had the post insulators supported on a beam spanning 2 DS rather than on its own support sturcture.HHZH?HHZH@IHZI8IIZI9IIZI=IIZI>Ia IZI? 2 at standoff , 4 at arresterIIZI@JIZJ8JJZJ9JJZJ=JJZJ>JJZJ?JJZJ@KJZK8Kb KZK9 3-phaseKKZK=KKZK>Kc KZK?(%6 Leaking 230 kVbushings, 6 LA failedKKZK@LKZL8Lc LZL9 3-phaseLLZL=LLZL>LLZL?LLZL@MLZM8MMZM9MMZM=MMZM>MMZM?MMZM@NMZN8NNZN9NNZN=Ne NZN>There may be a slack problem in that there is a short flexible connection to a rigid bus that is supported by disconnect switch structures. Pot head support structure is also connected to the rigid bus.NNZN?NNZN@ONZO8OOZO9OOZO=OOZO>?89=>?Q` QZQ?yvThese units had deformed operating mechanism that prevented their operation. None of the post insulators were damaged.QX QZQ@pmIt took 2 days to identify the problem and the fix and 2 hour for each (3 phases) to make repairs after that.R$i QZR8ITER,i RZR9 Type DR-5RRZR=RRZR>Rl RZR?{xThese units had deformed operating mechanisms that prevented their operation. None of the post insulators were damaged.Rj RZR@pmIt took 2 days to identify the problem and the fix and 2 hour for each (3 phases) to make repairs after that.S j RZS8ColeSSZS9SSZS=SSZS>Sl SZS?unknown damageS4k SZS@WTPost insulators used for bus supports in PE4,5,6 were canibalized to reconstruct DS.T(k SZT8ColeTTZT9TTZT=Tj TZT>rigid bus connectionTt TZT?One of the columns failed. 10 were adjacent to CB and were provided with good slack so that inertial loads were probably the cause of failure. One unit was connected to a bus with an intermediate drop and bus dynamics may have contributed to failureTp TZT@WTPost insulators used for bus supports in PE4,5,6 were canibalized to reconstruct DS.Ul TZU8ColeUUZU9UUZU=Uk UZU>rigid bus connectionUl UZU?a^Both columns failed. Interaction between columns may have contributed to the dual failures. .UUZU@VUZV8VVZV9VVZV=VVZV>VVZV?VVZV@WVZW8WWZW9WWZW=Wm WZW>ZWNote that 12 units had flexible connections at ends of rigid bus connection adjacent DSWLo WZW?1 column failedWWZW@XWZX8XXZX9XXZX=Xn XZX>ZWNote that 12 units had flexible connections at ends of rigid bus connection adjacent DSX4p XZX?both columns failedXXZX@YXZY8YYZY9YYZY=Yo YZY>ZWNote that 12 units had flexible connections at ends of rigid bus connection adjacent DSYYZY?YYZY@ZYZZ8ZZZZ9ZZZZ=Zlp ZZZ>Standoffs failedZLq ZZZ?Standoffs failedZZZZ@[ZZ[8[[Z[9[[Z[=[Hs [Z[>Unusual installation in that frame is much lower than that used for TRs. LA are on standoffs. There is marginal slack to a rigid bus that is supported on disconnect switches.[Xr [Z[?Standoffs failed[[Z[@\[Z\8\\Z\9\\Z\=\ No Standoffs\s \Z\?Failed at base of LA\\Z\@]\Z]8]]Z]9]]Z]=]]Z]>]]Z]?]]Z]@^]Z^8^^Z^9^^Z^=^ ^Z^>Unusual installation in that frame is much lower than that used for TRs. LA are on standoffs. There is marginal slack to a rigid bus that is supported on disconnect switches.^^Z^?^^Z^@_^Z_8__Z_9_ _Z_=TR in accountic enclosure. Separately supported radiators. Conservator tank with 2 supports. LA supported on frame with standoffs._t _Z_>A>Ao and Co LA drops from bus, Bo from bushing. see page 71 ASCE_ _Z_?Bo Bushing has damaged bus stud. All LA failed, A & C at standoffs and B at LA base. Conservator stretched bolts and shifted in slotted connections, strain piping and lost all 1000g oil.__Z_@D+l sWFgDDAIQ:>$|`*a*b*c*d*e*f*g*h*i*j*k*l*m*n*o*p*q*r*s*t*u*v*w*x*y*z*{*|*}*~**`_Z`8``Z`9` `Z`=}zTR in accountic enclosure. Separately supported radiators. Conservator on 2 supports above TR. LA supported on frame. .`u `Z`>"All LA have bus drops from bus.` `Z`?yvAll failed at standoffs and were not damaged. Signs of oil leak (spray on conservator) but source could not be found.``Z`@a`Za8aaZa9aH aZa=TR in accountic enclosure. Separately supported radiators, which were moderately large. Conservator on top of radiators. LA supported on independent posts without standoffs.av aZa>LA drops from bus.a x aZa?DASigns of oil leak at valve inside of enclosure, but it looks old.aaZa@baZb8bbZb9b4| bZb=WTLA on boom without standoffs. High voltage LA have drops from bus. see page 71 ASCEbw bZb>2/Unit anchored with gusseted angle to pull tabs.bz bZb?230 KV LA failed. They were boom mounted without standoffs. Small radiators. Flexible end anchors to pull tabs contributed to failure of bolted angles along side.bbZb@cbZc8ccZc9ccZc=cx cZc># These units have marginal slack.cz cZc?sp1 WT w/ failed posts at lower sand ring, 2 failed welds at top of posts connecting to wave trap support channel.cty cZc@JGTwo units were restored by bolting angles between channel and post cap.dcZd8ddZd9ddZd=ddZd>ddZd?ddZd@edZe8eeZe9eeZe=eeZe>eeZe?eeZe@feZf8ffZf9ffZf=ffZf>ffZf?ffZf@gfZg8ggZg9ggZg=ggZg>ggZg?ggZg@hgZh8h} hZh9 three phasehhZh=hhZh>h~ hZh? radiator leakhhZh@ihZi8i~ iZi9 three phaseiiZi=iiZi>iiZi?iiZi@jT iZj8'$Westinghous-Mitsubishi Power Breakerj8 jZj9 200-SFMT-63BjjZj=j~ jZj>(%Has very good slack to DSs. Pict 1-35j jZj?/,E91 A had a loose bolt at south east corner.jjZj@k jZk8Siemens-Allis & ITEkkZk9kkZk=kkZk>kkZk?kkZk@l kZl8GElH lZl94CD3l lZl=*'Installed on 6-3/4" diameter 8'-6" talll lZl>Good slack in bus connectionl lZl?A failed at lower sand ring and B did not look damaged on original trip. Unit was removed and porcelain was fractured 1/3 of the way up from base. Ao is would be inertial loads. Pict 3-34, 28-36llZl@m lZm8GEmmZm9mmZm=m mZm>85Units are on pedestals 6-3/4" diameter and 8'-6" tallmL mZm?2/This unit was found removed 3/15/94. Pict 28-34mmZm@n mZn8GEnH nZn9 4CD3...n܂ nZn=85Units are on pedestals 6-3/4" diameter and 8'-6" talln nZn>*'Good slack in bus connection. Pict 2-15nnZn?nnZn@ol nZo8GEo oZo9 4CD3...oȃ oZo=!Supported on 6-3/4" 8'-6" tallot oZo>+(Good slack in bus connection. Pict 24-8ooZo?ooZo@poZp8ppZp9p pZp=.+A is Nisson Denki, B & C are GE. Pict. 24-4p\ pZp>-*A & C have Bellville washers, B does not?ppZp?ppZp@q< pZq8 HaeffeyqqZq9qp qZq=mounted on 12" diameter post that is 7' high. Can is sealed in unusual way. Support post has 8 large gussets at base and top. Pict. 1-30, 28, 26, 25, 28-23, 22, 21qqZq>qqZq?qqZq@r qZr8 WestinghouserrZr9r, rZr=[XUnits have bellville washers. Support column is 13" diameter and 7'-8" tall. pict 28-27rrZr>rrZr?rrZr@sЇ rZs8 TrenchssZs9s sZs=`]Support column is 13" diameter and 7'-8" tall all connected to a large metal base. Pict 28-34ssZs>ssZs?ssZs@t sZt8Southern StatesttZt9tt tZt=}Support structure has heavy bracing in longitudinal and transverse directions. Units sine beat tested for 10 cycles at .5 g.ttZt>tt tZt?Support shaft failed so that it looked like a fatigue failure. Similar failure at RS E. Orientation of fractures are not consistant with position of arm. 92CL Pict 1-29,28,27,26,25. 101BL Pict1-21,20. 101BB Pict1-18,17,16,15. 91AB Pict 1-14. 28-24. BusttZt@u܈ tZu8Southern StatesuuZu9ux uZu=}Support structure has heavy bracing in longitudinal and transverse directions. Units sine beat tested for 10 cycles at .5 g.uuZu>u| uZu?Porcelain failure at base. Fracture surface (hinge) suggests that it failed due to a pull by the bus. There were two failures adjacent to line drop. Pict 1-24,23,22,12,11. 28-24. Bus drop 1-34 indicated that swing at top of drop may have lifted drop.uuZu@v uZv8ColevvZv9v̉ vZv=!Units supported on two columnsvvZv>v vZv?All failed at the base of the porcelain. Only one column failed. column E82CLB, E82ALB, E83Ab1b1, E83Ab2b1, E81CLL, E72BLL, E7Cb2b2, E73Bb2b2, E73Ab2b1, E71CBL, E71ALB, Bank F 230 Bank, Bank F 230 Bbank, Bank F 220 BB, Pict 1-8, 1-7,2-37, 2-18vvZv@w vZw8ColewwZw9w wZw=!Units supported on two columnswwZw>w wZw?IFPost insulators failed at sand ring. Both insulators failed. Pict 1-8wwZw@x wZx8ColexxZx9x xZx=2/Units supported on two columns. Pict 28-32, 31xxZx>x xZx?'$Post insulators failed at sand ring.xxZx@y| xZy8Southern StatesyyZy9y yZy=Support structure has heavy bracing in longitudinal and transverse directions. Units sine beat tested for 10 cycles at .5 g. Pict 1-36yyZy>yyZy?yyZy@zd yZz8Southern StateszzZz9z zZz=|Support structure has heavy bracing in longitudinal and transverse directions. Units sine beat tested for 10 cycles at .5 g.zzZz>zzZz?zzZz@{L zZ{8Cole{{Z{9{ {Z{=}zUnits supported on two columns. 8-1/2" x 5" with about 3/8" wall with long direction in line with closed arm. Pict 28-31{{Z{>{{Z{?{{Z{@|{Z|8||Z|9| |Z|=Pict 28-32, 2-13|< |Z|>52on porcelain standoffs, Support plates look thin.||Z|?||Z|@}|Z}8}}Z}9}, }Z}=PMSupport post is 6-3/4"diameter and 7'-10" high. Pict 3-38, 37,36,35,,33,32.}$ }Z}><9Units had Bellville washers. The base has small gussets.} }Z}?Units all failed at the sand ring at base, except 230 Bus 2 A where damage was not obvious, but must have been it cracked. It did not have oil spill below it. Note that bus 2 side anchore bolts were streched and one was loose. On Bus 1 A & C o had st}}Z}@~X }Z~8 Westinghouse~~Z~9~( ~Z~=Support columns is very large with gussets at top but not at base. Support column is 15" Square and 7'-4" tall from top of lower support to bottom of top support. Pict. 1-37,15~ ~Z~>(%Units did not have Bellville washers.~~Z~?~~Z~@~Z8Z9l Z=xuThese units have much smaller section support column that 220 KV bus. Support post is 6-3/4"diameter and 7'-10" high. Z>Units had Bellville washers Z?Note that bus 2 side anchore bolts were streched and one was loose. On Bus 1 A & C o had streched bolts but were undamaged. Phase B did not strech but failed. Phase C gussett at base showed signs of distress. Pict 3-33Z@D0lcAG1)87fdC2j_R_*****************************l Z8 WestinghouseZ9 Z=)&3 phase Auto transformer 220 to 230 KVܒ Z>!Radiators braced at the bottomd Z?Weld to embedment failed. It was a poor weld and not much material was put down. The concrete was fractured where the embedment tried to pull out. The transformer moved about 14" to the north. Pict 2-10,, 9, 8, 7, 6, 28-32Z@P Z8 WestinghouseZ9, Z=3 phase Pict 2-13ē Z>63Radiators braced at the bottom, welded to embedmentZ?Z@Z8Z9Z=Z> Z?XUWeld on one side channel failed. Other channel tore. Pict 2-35, 34, 33, 32, 29, 2-17Z@Z8Z9 Z= Pict 24-6Z> Z?# bolts failed on restraint, WT okZ@Z8Z9| Z= Pict 24-7, 8Z>Z?Z@Z8Z9d Z=.+Units supported on three columns. Pict 24-4Z>Z?Z@Z8Z9L Z= Pict 28-29Z>Z?Z@4 Z8General Electric, Z9ATBZ=Z>Z?Z@ Z8General Electric Z9ATBZ=Z>Z?Z@ Z8 Westinghouse Z9 seismicZ=Z>Z?Z@ Z8 Westinghouse Z9 seismicZ=Z>Z?Z@Z8Ԝ Z9SF-6Z=Z>Z?Z@ Z8 SiemansZ9Z=Z>Z?Z@ Z8 Westinghouse Z9 PuffersZ=Z>Z?Z@Z8 Z9SF-6Z=Z>Z?Z@Z8Z9Z=Z>T Z? brokenZ@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@Z8 Z9 single phase Z=composite bushingZ>ĩ Z?radiator leaksZ@Z8 Z9 single phase Z=composite bushingZ>Z?Z@Z8Z9l Z= SuspendedZ>Z?Z@Z8Z9Z=Z>Z?Z@Z8Z9Z=Z>Z?Z@>0+">@7  Oh+'0s@Hd | Civil EngineeringsThalia Anagnosn@`R@YG?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~                           ! 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