ML17223A577

Rev 10 to Emergency Procedure 1-0030143, Total Loss of Ac Power.

ML17223A577
Person / Time
Site:	Saint Lucie
Issue date:	03/07/1990
From:	FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17223A576	List: ML17223A577 ML17308A487
References
1-0030143, 1-30143, NUDOCS 9003210143
Download: ML17223A577 (45)

Text

0Page1of19ZmZmmZPROCE~1W030143REV.10XDZ1MKGDKPOH1K&LIGHTKHPANYST.IIJCZEUNIT1ZMEiKEKCEE%KGXURENUMEER1W030143REVISION10'HOESTUIMNO.OFPAGES~P90032i0143900307PDRADOCK05000335PPDR ST.IJJCIEUNIT1EHERGENCLHKK3KURENUMBER1W030143,REVISICN10CPage2of19XQZ1.0SCOP/:'BxisprocahmeistobeusedintheeventofatotallossofbothoffsiteACpowerandlassofbothDieselGenerators.2.0@PIG@:2.1assofpowerto1A1and1B16.9'uses.2.2Lossofpowerto1A2,IA3,1B2,1B3and1AB4.16KVbuses.3.0CA3.1Reactortrip.3.2Turbinetrip/Generatorlockout.3.3AFWautoactuation.3.4EGRV'saperate.3.1QmRCSflow3.2Reactortrip3.3S/Glevel<30t3.4PressurizerPressure>2400psia~~~

klt ST.IIJCZEUNIT1BKRQBKYEBDCEIXJRENUMBER1~30143,REVISION100Page3of19'.04.1EnsureallCE'A'sonbottanandreactortxipbreakersagen.4.1RDB-104arxl~ofRPSpaneLs4.2Ensure1CAMpuntisrestM'mgS/Glevel.4.2RKR-1024.3CloseHCVW8-3AanlHCVW8-1B(HainSteamIsolationValves).4.3EGGB-1064.4IsolateletdawnflmrbyclosingV-2515andV-2516(LatdawnZsol).4.4RD:K-105 IIxvPrIIjII ST.LUCXEUNIT13MZQENCYHK)CEIXEKNQMEg~1W030143,REVISICN100Page4of395.05.1EnsureGeneratorOCB'sandfieldbreakeropen.5.2Open30102(S.U.Transfoxmerto3A16.9KVbus).Open30202(S.U.Transfoxmerto1B16.9KVbus).Open20102(S.U.Transformerto3A24.16KVbus).Open20302(S.U.Transforaerto1B24.16'us).5.3EnsureD/Gbreakersopen:3AD/G:202111BD/G:204015.4Ensure3AB4.16KVbusfeedersarecgen:20208,20505(3A34.16KVto3AB4.16KVbus)20409,20504(33334.16'o3AB4.16KVbus)5.5Open40103(3A24.16KVfeedto1A1L.C.-Loside).Open20110(3A24.16'eedto3A1L.C.-Hiside).Opez.40203(3A34.16'eedto3A2L.C.-Loside).Open20210(1A34.16KVfeedto3A2L.C.-Hiside).5.6Open40403(1B24.16RTfeedto33KL.C.Open20310(1B24.16'eedto1B1L.C.Open40503(1B34.16KVfeedto1B2L.C.Open20402(1B34.16KVfeedto1B2L.C.5.7Ensure3AB480VLoadCenterfeedersaze40204,40702(3A2480VL.C.to3AB)40706,40504(3B2480VL.C.to3AB)Zoside)~-Hiside).-Zaside).-Hiside).open+5.8EnsureNT08-3AandMV-08-1BpfainSteamisolationkppassvalves)bathindicateclosedordic~tchanapexmtortolocallytakeccatrolandclosethevalves.

.5llCgIc4hr.h 5.0ST.DJCZEUNIT12ÃEKEKCYHQCEIXZKNUMBER1~30143,REVISION100(cantirmed)5.9Open3Aand1BAtmosphericDumpValvestoreduceSGpressurebelowsafetyva1veliftpressure(985psig).Page5of19IfInstrumentAirpressurehasdecayed,localMdl1~~carrtralcapacitymaybegainedbyopeningcrews-cannectfrccnthestationAirsystem,ifstatianairpressureisholding>Instrumentair.~~to5.10CloseFCV-23-3,5,4,and6(3Aand1BS/GBlowgunIsol).5.11C1osePCV-23-7and9(3Aand1BS/GBlowdcwnSampleIsol).512CloseV&200g5201I5202~5203J5204and5205(PrimaryCoolantandPressurizerSampleIsol);5.13ZayleaenttheEmergencyPlanasnecessaryinaccarchuxawithEPXP310002IE,"DutiesandResponsibilitiesoftheurgencyCaaxdinator."5.14MinimizeAtnxrsphericSteamDumpusethexebyensuringmininannRCSheatlass;ha@ever,1.MaintainS/GpressurelessthanS/Gsafetysetpoint(985psig).2.Withdec+easingRCSpressure,maintainhatlegture(Gh)atleast20Fbutlessthan200belierthesaturatiantenperatureth.Iwtheatnespbericdungvalves.5.15Verifybythefollowingindicationsthatnaturalcirculationflmrhasbeenestablishedwithinagxraximately15minutesafterRCP'swerestopped.1.IuapDe1taTlessthannormalfullpawerDeltaT(<46F).2.Coldleg(Tc)canstantordecnwasing.3.Hatleg('Ih)stable(i.e.,nat:~di1yincr~ing).

'JIl.1I*JC,4g'l+if 5.0ST.IIJCZEUNIT1EMERGENCYHKIQUXRENUMHK1W030143,HEVLSIGH100(continued)5.15(contirxml)4.Noabnormaldifferencesbetween'IhRH)'sandCoreExitGheraecouples(CEZs).Page6of19XLQP5.165.RCSCETSuhcooling>20'FperQSHS.IfRCSpressuredecreasesto1700psia,verifyreceiptofblockpermissiveannunciator(R-6)andblockSIAS.5.17Natifysystemdispatcherofplantcanditiansandrequestmosturgentpriorityinrestcn~off-sitepower+5.18If1CAFWPunyisstoppedorflawislost,then:1.ReinitiateAFWflawasscanaspossible;however,donotexceedaflawrateof150GERperaffectedS/G.2.Limitfeedflmrrateto150GBfperaffectedS/GuntilcontinuousfeedflawtotheaffectedS/Ghasbeenmaintaiixdforfiveminutes.5.19UseallavailableresaucestorestneeaneEmergencyDieselGeneratortooperablestatus.5.20AssumingUnit2hashathdieselsavailable,aneofthesedieselsmaybecross-tiedtoUnit1.RefertoApperxUx"A~~.5.21RmneitherUnit1dieseloroff-sitepcs'savailable,restorenormalpowerusingAppendix"8" lI'.'!lf1 ST.IIJCIEUNIT1EMIREÃCYHKCElXRENUMBER1M030143gEKVISIQN100ACPage7of19.TQgAE%%ÃDIXA2D1.Assuninpthatbothdieselsarerunrdapandsupply~loadsonUnit22A3and2B3buses,selectthedieseltobetiedto.Unit1.2.Transferloadstotheotherdiesel,beingcarefulnottoexceed659amps,untiltheselecteddieselisunloaded.3.Performtheiniicatedswitchdsr~antheelectricaltrainthatwillcross-tiethediesel:3.14.16KVSwitchgear2A3(2B3)Qpenbracerandpullfusesonthefallowing:1)4.16KVFeedto2AB4.16KVbus2)4.16KVFeedto2A2(282)L.C.3)2A(2B)HPSIPunp4)2A(2B)ZPSZBmpevww6)2A3(2B3)L.C.(PressurizerHeaters)7)CECMCoolingFan2HVE-21A(21B)8)2A(2B)CCWBmp9)2A(2B)ICWPump10)2A(2B)AFWPuny3.24.16KVSwitchy~r2A2(282)Qpenbreajcerandpullfusesanthefallowing:~ggggfBTRAQfggXX2-202082-204092-202102-204022-202012-204052-202022-204062-202032-204072-202042-204032-202052-204082-202062-204042-202072-204102-202122-204122-201012-203011)2A(2B)2haciliaxyTransformer2)2A(2B)StartupTransfarnar3)2A1(2A2)CirculatingWaterPuny4)2Bl(2B2)CirculatiapWaterBmy5)S/GBlawdawn480VKXXB91W862-201022-201032-201042-201051W842-203022-203032-20304 ST.IOC3ZUNIT1KHERGBVCYE%KCECUEKNUMBER1W030143gREVISION100APE%ÃDIXA(continued)Page8of196)2A(2B)TCÃPump7)2Aor2C(2Bor2C)~nsatePump8)2A(2B)HeaterDzcdnPuap9)4.16KVFeedto2A1(2Bl)L.C.3.34.16'wihdxpmr2A4(2B4)~ZgjggB'I/A~gggg2-201062-203062-201072-203072-201082-203082-201102-203101)Openandrackoutbreaker¹1W901W82(FeedfranIA(1B)StartupTransformer).2-206012-20705/R102)Openandrackoutbreaker¹1W881W80(Feedfran2A(2B)StartupTransformer).2-206052-20701,./R10gggBreakerineithercubicle¹5or¹1maybeusedfornextstep.3)Reaevebreakerfrancubicle¹5(or¹1)andinstallincubicle¹3.4)Pushdawnandholdthe'~leverincubicle¹5(or¹1)priortoperformingthenextstep.

I'Il(pAlP'iyw')ejf8fg)II ST.ILJCXEUNIT1URGENCYPROCURENUMEKR1~30143gREVISION100Page9of19TQ3P3.(ccrrtiinued)APE%5DZKAA(continued)h'ZBBXH~Bh&~5K5)Rackinandclosebreaker4incubicleN3(TiehzealcerfarUnit1/Unit2Swgr.).2-206032-20703Itwillbenecessazytoholdtheswitchforbreaker2-20109(2-20309)intheCXQSEpositianinordertoclosebreaker2-20209(2-20411).3.4Closebreaker2-20109(2-20309){2A2/2A3(2B2/2B3)tiehvmker]andholdintheCXCSEpositian.3.5Closebreaker2-20209(2-20411)[2A2/2A3(2B2/2B3)tie'reaker]andzeleaseswitchfor2-20109(2-20309).2-201092-203092-202092-204114.16KVhus2A2(2B2)isnowenezgized.3.6Insertfusesandclosebreaker5[S.U.feedto4.16KVhus2A2(2B2)].2-201022-203023.74.16KVSwitchgear3A2(1B2)Openbzeakezsanthefollowing:1)3A(1B)Au>ciliazyTransformerto4.16KVhus2)3A1(1A2)CirculatingWaterPump3)1B1(1B2)CirculatingWaterPuap4)S/GBlawdown480VMCC1B95)1A(1B)TCWPump6)1A(1B)CandensateBmy7)3A(1B)HeaterDzcdnPump20101203012010320303201042030420305201062030620107203072010820308

~t~"1'~C~'4kiS ST.IIJCIEUNIT1EMEXKENCYPBDCEIXRENUMBER1-0030143'EVISIGN10Page10of19XUZ3.(cantirmad)APEKND3XAD(continued)3.84.16KVSwitchgear1A3(1B3)Openandrackautthefollawirgbreaker:1)3A(1B)DieselGeneratorOpenbreakersanthefollawing:1)IA(1B)HPSIPump2)IA(1B)LPSIPuaypyWW4)IA3(1B3)PressurizerHeaterTransforner5)3A(1B)CCNPump6)IA(IB)ICWPump7)4.16KVFeedtoIAB4.16KVbus8)M(1B)AFWPump3.9Insertfusesandclosebreaker¹[IA(1B)S.U.Transformerto4.16KVbus].2021120401202012040520202204062020320407202042040320206204042020720410202082040920212204122010220302~g~B'HAINCSE~4.16KVbusIA2(1B2)isnewenergized.3.10Insertfusesandclosebreaker¹[IA2/IA3(1B2/1B3)tiebrea)cer].3.11Insertfuses,turnonsynchandclosebreaker¹[IA2/IA3(1B2/1B3)tiebreaker].201092030920209204114.16MTbusIA3(1B3)isnorenergized.Donatexceed659assan2A(2B)DieselGenerator.1~urebusvoltageis4160+420Vandfrequencyis60+1.2Hertz.4.Start4.16KVequi~tasneeded.EnergizeloadcentersandMCC'sbyfirststrippingtheZaadCenter/HCCbusandthenenergizirxythebus./

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ST.IDCXEUNIT1IMXGEKCYFBQCEIXRENUMBER1W030143gREVISIOH100CPage11of19~3XQPAPPENDZXB1.~nexgizeIoadCentersandMOC'sbyfirststrippingtheZaadCenter/HCCbusandthenopeningthepowersupply.2.De-energizeequipnentandopenbreakersonallloadsfran1A3(1B3)and1A2(1B2)4.16KVbuses.3.PerformtheindicatedswitchingontheelectricaltntbergrestoredELXBBZHKKMH~KK3.1Openbreaker5[3A2(122)to1A3(1B3)4.16KVtie].3.2Openbreaker0[1A2(H32)to3A3(1B3)4.16KVtie].202092041120109203094.16KVBus1A3(XB3)isnowde-energized.3-.3Openbreakerg[1A(12)S.U.Dansfornerto1A2(1B2)4.16'us].20102203024.16KVbus1A2(1B2)isnowde-energized.3.4Ifpamrwasbeingsupplied~2Aor2Bdiesel,continuewithStep3.5.Ifnot,skiptoStep3.9.(Steps3.5thrcaxIh3.8)'3.5Openbreaker5[2A(2B)S.U.Transfarzmrto2A2(2B2)4.16KVbus].2-201022-20302

~\3VP,'l/JWP0, ST.IJJCZEUNIT1ZMERGEKCYHKCEZXJRENUMBERlW030143,REVISION100C3.(continued)APPENDIXB(cxmtiLnued)3.64.16KVSwitchgear2A2(2B2)Replacefusesonthefollawimp:1)2A(2B)AuxiliaryTransformer2)2A1(2A2)CirculatinpWaterPump3)2B1(2B2)CirculatingWaterPump4)S/GBlowdown480VMCC1B95)2A(2B)VCRPump6)2A(2B)CondensateBmp7)2A(2B)HeaterDrainPump8)4.16KVFeedto2A1(2B1)L.C.3.74.16KVSwitchgear2A3(2B3)Replacefusesonthefollmding:1)4-16KVFeedto2AB4.16KVbus2)4.16KVFeedto2A2(2B2)L.C.3)2A(2B)HPSXPutty4)2A(2B)LPSXPump>~evow6)2A3(2B3)L.C.(PressurizerHeaters)7)CEXMCoolieFan2HVE-21A(21B)8)2A(2B)CCWPuny9)2A(2B)ICRPuny10)2A(2B)AFHBmp1W861W842-201032-203032-201042-203042-201052-201062-203062-201072-201082-203072-203082-201102-203102-202082-204092-202102-204022-202012-204052-202022-204062-202032-204072-202042-204032-202052-204082-202062-204042-202072-204102-202122-20412~gggfBTEQINggggEKEQnUnit2:4416KVbuses2A2(2B2)and2A3(2B3)areenergizedbythezurudngdieselandmaybereloadedasrequired.

C4II SZ.IIJCZEUNIT1ZHEKEKCYPBQCEK1RENUMBER1W030143g~IGH10OFACPage13of19~p3.(continued)APPENDIXB(continued)3.84.16KVSwitchgear2A4(2B4)1)Openandrackautbreaker¹[1A(2A)S.U.Transformercrcm-tie].2)Reaxvebreakerframcubicle¹3andinstallincubicle¹5(or¹1,if~sty).3)Rackinandclosebrealcer¹[1A(1B)S.U.TransformerIncaningFeeder].4)Rackinandclosebreaker¹[2A(2B)S.U.TransforaerInccadzgFeeder].gag4.16KVswitchgear2A4(2B4)isnowalignedfaroffsitepawer,ifavailable.~hXHB'RhXH&KK2-206032-207031W901W82'-206012-207051W881W802-206052-20701/R10/R103.9Stripallvitalandnan-vitalloadcenterbreakersinpreparationforasysteaaticpowerrestoratian.3.10Energizethe4.16KVbusesbyeitherofthefollowingaetlxds:1.EnergizatianwithDiesel:a.Rackinbreaker¹[3A(1B)DieseltoXA3(1B3)4.16KVbus].DieselwillstartandenergizelA3(1B3)4.16KVbus.b.~ustandmaintain4160+420Vand60+1.2Hertz.c.Closebreaker¹[3A3(1B3)to3A2(1B2)tie].d.Insertsynchplug,boldbreaker20109(20309)closed,andclosebreaker¹[1A3(1B3)to3A2(1B2)tie]./202112040120109203092020920411 PJ~4~161$'2 page14of19QJCZEUNIT1EMERGENCYEBDCEIXHENUMBERlW030143iREVISION10(continued)3.(continued)3.10(continued)1.(continued)e.Releasebreaker20109(20309)-andreaavesyncbplug.2.BnangizationwithStartuyTranaforaer:A'INA2NB'INAINCHEgga.Closebrea)cer¹2010220302[3A(IB)S.U.Transformerto3A2(IB2)4.16KVbus].b.Closebreaker¹[3A3(IB3)toIA2(1B2)tie]~c.Insertsynchplugandclosebreaker¹[3A3(IB3)to3A2(IB2)tie].g7gg'Ibefollowingmaybeenergizedas+~ed,notnecessarilyinthe03.11Toenergize3A2(1B2)480VZaadCenters:1.Closebreaker¹[4.16KVfeedto3A2(1B2)L.C.].2.Closebreaker¹[3A2(IB2)StationServiceTransforIMrtoIA2(1B2)480VL.C.].20109203092020920411202102040240203405033.12Toenergize3AB480VZoadCenter:1.Closebreaker¹andbrea)cer¹(IA2480VL.C.feedto3ABL.C.).4020440702Closebreaker¹andbrealcer¹(1B2480VL.C.feedto3ABL.C.).4050440706 IIg5~II4'.)'I'ft'!'ltj>~ffoal ST.IIJCZEUNIT1E'HERGEKCYPBOCECGEKNUMBER1W030143,REVISION1003.(contirami)APEKNDZKB1HEPKSATXON(continued)3.QToenergize3A5(1B5)NX:~+AQfEL'g%~CSE~1.ClosebreakerI4021440514[IA2(1B2)L.C.feedto3A5(1B5)MCC].2.ClosebreakerI[IA5(1B5)MOCloadbreaker].3.14ToenevpizeIA6(1B6)MCC:1.Closebreaker4[IA2(1B2)L.C.feedtoIA6(1B6)MCC].2.ClosebxealcerI[3A6(1B6)hKCloadbreaker].3.15Toenexgize3A7(1B7)HCC:1.Closebreaker4[IA2(1B2)480VL.C.feedto3A7(XB7)MO]~3.16ToenevpizeIA8(1BS)MCC:1.Closebreaker4[IA2(1B2)480VL.C.feedtoIA8(1B8)MCC].2.Closebreaker4[IA8(1B8)MCCloadbreaker].4123042027402184051841325421354021940519402154051541513423173.183.19Ensure3A(3B)batterychargeris"CNIZNE"supplyingtheIA(1B)DCbusbyverifyingIA(1B)DCbusvoltageonEGGB-101tobe>120VDC.AlignandinitiateamxgencycooleywatertotheZnstxunentAir'cagn~oxs.Whenpowerhasbeenrestoredto3A6(IB6)MCC,theAir~messor(s)maybestaxtmi.

II~t, Page16of19,ST.IIX'NIT1HKPGENCYHKCEIXRENUMBER1W030143IREVZSIQH10QAKNERAPPENDIXB(continued)3.20Start3A(1B)CmxgingPumptorestorePressurizer,level.WhentheCCWSystemisreturnedtoaperatian,aHPSIpuapmaybeoperatedtoampnentxefillingofthePxessurizer.3.21ObserveallavailableindicatianstochdmxuneconditionswithinthehCSandensuresubcooling.1.UsetheQSPDSSubcoolMarginMonitor(SMN)displaytoensurethattheRCS,+perHead,andCpsindicate>20degreesand<200'Fsubcooled.2.SubcoolMarginCurve(Figure1)shouldbeusedwithRCST-batRKsandPressurizerpressureasacxmparisanwiththeQSPD6B%fdisplay.3.22IfRCS3anot>20'Fsubcooled'.WiththePressurizeravailable,useheaterstoestablish20'Fsubcooledcanditians,whenheaterpowerisxestoxed2.Ifthepxessurizerisnotavailable,establishtherecydxedsubcoolingbyrechcingRCStaapexatuxe,orbypressurizingwithchanginparHPSIflaw.3.23IftheRCSisorbecmes>200'Fsubcooled:1.WiththePressurizeravailable,reducepressuxebyrenxvingheatexsfransexviceandutilizePxessurizerspray.2.WithE?eessurizernotavailable,cansiderthxo~ingtheHPSIpucesdischargeor~ingchargingpm~toreduceRCSpressure.~Q~B'gg~Cggg3.24Closebreaker4(4.16'eedtoPressurizerHeaters).3.25WhenPressurizer-levelindicates>30t,energizePressurizerheatersB-1,B-2,B-3,P-1(~,~,~,P-2).3.26EnsureICWsealwaterfranUnit1DcaIesticWaterSystemisavailable.2020420403 E.,f$QlS ST.IIJCZEUNIT1HKRGEKCYPROCECURENUMHER1W030143,REVISION10QIPage17of19TIOP3.(contiramd)APPENDIXB(continued)3.27~mtablish3A(1B)ICNthunasfoU.aws:1.Establishsealwater.2.'Ihrottle3A(1B)ICÃPumpdischavgevalve.3.Start3A(1B)ICSPump;thenpressurizeandvent3A(1B)ICNheeler.4.Afterventing,open3A(13)ICHPumpdisN~gevalve.3.28Re-establish3A(1B)OCÃtx~asfollaws:1.IsolateCCÃtoRCP'sbyclosingHCV-14-1,26and7(topreventthexmalshockingRCPseals).2.'Ihrottle3A(1B)CCRBmpdischargevalve.3.WsureCCNSurgeTankatnormallevel.4.Start3A(1B)CCWPump;thenpressurizeandslowlyopen3A(IB)CCÃyuandischargevalve.3.29~stablishCUTSletdowntomaintainPressurizerlevelatnormalaperatinglevel.3.30CcaxnencehoratiantoGoldShutdownboroncuncentxatian.3.31StartonesetofCavityandSupportGoolirgFans.3.32ProceedtoOP1W320039,'N'aturalCirculati~Oooldown,andperformincorrjun~anwiththebalanceofthisprocedure.3.33Reatca~balarxmofsecandaryplantinaccordancewithEP1W030140,"Blackouttian."(~(

• p'Ji(~lr~I ST.IIJCZEUNXT11~XGENCYPBOCEEXEKNUMBER1W030143,REVISION10Page18of19.XLQP25002250IIIPRE5n505URt500ZERNOTACCEPTABLElOVfSUSCOOLCDACCEPTABLEIIIIIIPRE5oooo5URT50(pc@)1MSUICOOLID//IlISATURATlONTMRNOTACCEPTBLE150200250200250400450500RCSTEMPERATURE'F.

l9l~~ph)'f8,()1V1 Page19of196.0DST.QJCIEUNIT~ZMERGEÃCYPROCEDURENUMBER1W030143,REVXSICN100\'Ihe'MtallassofACPawed'ventcansistsofalossofafritepowerinconjunctionwithfailuxeoftheagencyDieselGeneratorstopmvideeaazgencypower.'IhisresultsinalossofallACelectricalpa~exceptthatpmvidedbyinverterspoweredharemthevitalDCbu.~.'IhetexmunationofACpatercausesalossofforcedzeactorcoolantflaw,mainfeedwaterflow,stemflawtotheTuxbineandPressurizerpressurecontrol.'Ihereactortripsaneitherlawxeactarcoolantflaw,highReactorCoolantSystempressureorlawSteamGeneratorleveldepencUaxyoninitialcarxlitions.'Ihe"TatalZassofACPower"eventalsocausesalossofallRCSmakeupcapabilitywhichincludeschaxgmyandsafetyhrjectianflaw.Inventorylossesthmughleakage,ReactorCoolantPumpcantmlledbleedoff,andY1111decpmlatianofpressureandlevelcantmlduringtheevent.'Iheathercontributortocoolantsystemshrinkageandpressurereductionissy.~iheatloss,primarilykahn~thePressurizerwalls.Coreheatremvalisacccmplishedthmughnaturalcirculation.RCSheatrivalisa~lishodusingAtmo.+M.ricDumpValvesandthesteam-drivenAFHBmp.Instxuctiansarepmvidedfor~kgeither2Aar2BdieselintotheUnit1gridtopmvidetaqxxeaxypower.AstudymadebyCEindicatesthattheunitcanxunfranbatteriesalaneforuptofearbeaus.Ifit~versttwtpcs'estorationwillbegreaterthanfaurhours,preparationsshouldbemadetouseoneoftheUnit2diesels.7.0KZZKMZ:7.1CEBaexgencyPmcedureGuidelines,CEN-I52,REV-D2.7.2St.ZucieUnit1Off~ralOperatingPmceduxes.8.08.1Nozmallogentries.9.0ReviewedbyFacilityReviewGraupAppmvedbyPlantManagerRevtsian~ReviewedbyFRGAppmvedbyPlantManager198241982=')3~QdEP1~30143REVISION101U3MNO.OFURGES~

AttachmentIILICENSINGBASISCRITERIATORESOLVESTATIONBLACKOUTFORFLORIDAPOWER&LIGHTST.LUCIENUCLEARUNITSRGSBO Pf~'Lg'ye'.tk4lh AttachmentIIPagetwo1.0PURPOSE2.0TheinformationprovidedbythisdocumentprovidesthelicensingcriteriathatwillbeusedbyFloridaPower6LightCompany(FPL)tomeettherequirementsoftheStationBlackout(SBO)rule.ItisintendedtoformthebasisforagreementbetweenFPLandtheNRCforsatisfyingtherule.Whenimplementeditwillmeetrequirementsof10CFR50.63"LossofAllAlternatingCurrentPower".INTRODUCTIONResolutionofUnresolvedSafetyIssue(USI)A-44,STATIONBLACKOUT,wasconcludedbytheNRConJune21,1988byamendingitsregulations(i.e.,10CFR50)torequirethatlightwatercoolednuclearpowerplantsbecapableofwithstandingatotallossofalternatingcurrent(AC)electricpower(i.e.stationblackout).DISCUSSIONResolutionoftheStationBlackoutissueforFPLnuclearunitshasrequiredconsiderationofthecriteriaembodiedintheNRCfinalrule,RegulatoryGuide1.155"STATIONBLACKOUT"andNUMARCdocument87-00"GuidelinesandTechnicalBasesforNIBRRCInitiativesAddressingStationBlackoutatLightWaterReactors".FPLisrequiredbylawtocomplywiththe"rule"aspresentedin10CFR50.63.FPLhasobtainedguidancefromtheregulatoryguidetoimplementtherule.FPLhasalsovoluntarilyagreed,throughexecutivecommitment,toimplementfive(5)initiativesfromNUMARC87-00Section1.2.AllthesedocumentswereusedtodevelopFPL'sLicensingBasisCriteriadocumentfortheSt.Lucieunits.4.0SCOPEANDLIMITATIONSTheruleandsupportingguidancedocumentsallowflexibilityinaddressingstationblackout.ThisdocumentprovidesthelicensingcriteriathatarethebasesforFPLtoresolvethisissue.Itisnotintendedto.addressalloptions.Specifically,resolutionofstationblackoutforSt.Lucienuclearunitsshallberesolvedbyuseofanalternatesafetyrelated,class1E,seismiccategory1,poWersourceandunitintertiewiththeabilitytoalignthesourcein10minutes.5.0REQUIREMENTSOFTHERULE5.1One(1)EmergencyDieselGenerator(EDG)shallbemadeavailablein10minutesaftertheonsetofastationblackout(10CFR50.63(c)(2)):RGSBO QfgltTv14 AttachmentIIPagethreea)The10minuteclockshallstartafter:operatorsperformtheimmediatestepsintheEmergencyOperatingProcedures(EOP's)verifyscram,otherprimarysystemparameters,attempttorestoreoffsitepowerandattempttostarttheEDG'sfromthecontrolroompertheEOP's.b)c)d)TheEDGshallbemadeavailabletothenonpoweredbuses,bydemonstration,in10minutes,afterperformingitemsinsection5.1(a).TheEDGshallbecapableofsupportingallnecessaryloadstoplaceunits1and2inhotstandby(i.e.,safeshutdown)for4hours.AllEDGloadsforstationblackoutshallbeidentifiedinaloadstudyforpurposesofidentificationinthe"TOTALLOSSOFACPOWEREOP".e)Toprovidereasonableassuranceofsuccessbyanalysis,thefailedstatefrequencyforthesharedSBOelectricalconfigurationshallnotexceed1x10/year.Independencebetweenexistingsafety-relatedsystemsshallbeprovidedbyaminimumoftwo(2)class1Ecircuitbreakeradministrativelycontrolledfromthecontrolroom.g)h)AlldesigncriteriausedtoaddressSBOmodificationsshallconformwithcriteriaapplicabletotheunit'scurrentlicenseddesignbases.Totheextentthatthelicenseddesignbasiscommitstoregulatoryguides,industrydesigncodesandstandards,theyshallbeused.TheSBOmodificationsshallnotchangethelicensedconfigurationofunits1and2.5.2LossDBA)a)ofCoolantAccident-DesignBasesAccident(LOCA-shallnotbeconsidered:(10CFR50.2)TheSBOeventisassumedtooccurwithoutpostulatinganyotherconcurrentDesignBasesAccident(DBA).b)TheSBOeventisassumedtooccurafteralossofOffsitePower(LOOP)andfailuretostarttwooftwoEDG'sontheaffectedunit.RGSBO

'4LIIP AttachmentIIPagefourc)NoothersinglefailuresareassumedorpostulatedduringtheSBOeventforbothunits.Seismic,floodingandfireinducedSBOeventsshallnotbeconsideredconcurrentwiththisdesign.d)Non-LOCAloadsshallbeusedasaSBOdesignbasesforEDGloading.LoadsidentifiedtobeplacedontheEDGshallprovideassurancethattheunitscansurvivetheSBOeventforfour(4)hours.Theseloads,asaminimum,shallsupportthefollowingfunctions:1)waterfordecayheatremoval2)HVACincriticalor"dominantareaofconcern"toassureequipmentoperability3)coolingforRCPsealstoprecludesealfailures4)fueloilforEDGoperability5)powerforvalvesrequiredforcontainmentintegrity5.3RecoveryProcedure(s)a)Theprocedure(s)shallberevisedfollowingimplementationofthe10-minutecrosstiedesigntoaddressactionstobetakentomitigateandrecoverfromtheSBOevent.Theprocedureshallincludecontainmentisolation,ACrecoveryanduseof(1)EDGtomitigateSBOfortherequiredduration.b)Theprocedure(s)shallincludeandaddressactionstakeninthe24-hourperiodpriortoanticipatedhurricaneforcewinds.6.0COMMITMENTTONUMARC87-00Criteriaprovidedinthisdocumentmeetsallfive(5)industryinitiativescommittedtotheNRCbyNUMARC87-00Section1.2.Inaddition,criteriaprovidedinthisdocumentconformstoNUMARC87-00"GuidelinesandTechnicalBasesforNUMARCInitiativesAddressingStationBlackoutatLightWaterReactors".RGSBO T~vIp AttachmentIIPagefive7.0REQUIREDSUBMITTALS7.1Informationsubmittal,April17,1989~a)Byuseoftables1through8inRegGuide1.155FPLshallproposeastationblackoutdurationtime.Thedurationtimemaybemodified,withjustification,totakecreditfortheoppositeunits2EDG'sviathe10-minutecrosstie(toreducecopingtimeto4hours).b)DescriptionofproceduresthatwillbeimplementedforSBOeventsforthedurationdeterminedin(a).c)DescriptionofmodificationstothefacilitytomeetrequirementsoftheSBOeventandaproposedscheduleforimplementation.7.2ImplementationScheduleAfinalimplementationscheduleshallbesubmittedinaccordancewith10CFR50.63(c)(4)."RGSBO

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