ML17223A577

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Rev 10 to Emergency Procedure 1-0030143, Total Loss of Ac Power.
ML17223A577
Person / Time
Site: Saint Lucie  NextEra Energy icon.png
Issue date: 03/07/1990
From:
FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17223A576 List:
References
1-0030143, 1-30143, NUDOCS 9003210143
Download: ML17223A577 (45)
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Text

0Page1of19ZmZmmZPROCE~1W030143REV.10XDZ1MKGDKPOH1K&LIGHTKHPANYST.IIJCZEUNIT1ZMEiKEKCE E%KGXURENUMEER1W030143REVISION10'HOESTUIMNO.OFPAGES~P90032i0143 900307PDRADOCK05000335PPDR ST.IJJCIEUNIT1EHERGENCL HKK3KURENUMBER1W030143, REVISICN10CPage2of19XQZ1.0SCOP/:'BxisprocahmeistobeusedintheeventofatotallossofbothoffsiteACpowerandlassofbothDieselGenerators.

2.0@PIG@:2.1assofpowerto1A1and1B16.9'uses.

2.2Lossofpowerto1A2,IA3,1B2,1B3and1AB4.16KVbuses.3.0CA3.1Reactortrip.3.2Turbinetrip/Generator lockout.3.3AFWautoactuation.

3.4EGRV'saperate.3.1QmRCSflow3.2Reactortrip3.3S/Glevel<30t3.4Pressurizer Pressure>2400psia~~~

klt ST.IIJCZEUNIT1BKRQBKYEBDCEIXJRE NUMBER1~30143,REVISION100Page3of19'.04.1EnsureallCE'A'sonbottanandreactortxipbreakersagen.4.1RDB-104arxl~ofRPSpaneLs4.2Ensure1CAMpuntisrestM'mgS/Glevel.4.2RKR-1024.3CloseHCVW8-3AanlHCVW8-1B(HainSteamIsolation Valves).4.3EGGB-1064.4IsolateletdawnflmrbyclosingV-2515andV-2516(LatdawnZsol).4.4RD:K-105 IIxvPrIIjII ST.LUCXEUNIT13MZQENCYHK)CEIXEK NQMEg~1W030143, REVISICN100Page4of395.05.1EnsureGenerator OCB'sandfieldbreakeropen.5.2Open30102(S.U.Transfoxmer to3A16.9KVbus).Open30202(S.U.Transfoxmer to1B16.9KVbus).Open20102(S.U.Transformer to3A24.16KVbus).Open20302(S.U.Transforaer to1B24.16'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-08-1BpfainSteamisolation kppassvalves)bathindicateclosedordic~tchanapexmtortolocallytakeccatrolandclosethevalves.

.5llCgIc4hr.h 5.0ST.DJCZEUNIT12ÃEKEKCYHQCEIXZKNUMBER1~30143,REVISION100(cantirmed) 5.9Open3Aand1BAtmospheric DumpValvestoreduceSGpressurebelowsafetyva1veliftpressure(985psig).Page5of19IfInstrument Airpressurehasdecayed,localMdl1~~carrtralcapacitymaybegainedbyopeningcrews-cannect frccnthestationAirsystem,ifstatianairpressureisholding>Instrument air.~~to5.10CloseFCV-23-3, 5,4,and6(3Aand1BS/GBlowgunIsol).5.11C1osePCV-23-7and9(3Aand1BS/GBlowdcwnSampleIsol).512CloseV&200g5201I5202~5203J5204and5205(PrimaryCoolantandPressurizer SampleIsol);5.13Zayleaent theEmergency Planasnecessary inaccarchuxa withEPXP310002IE, "DutiesandResponsibilities oftheurgencyCaaxdinator."

5.14MinimizeAtnxrspheric SteamDumpusethexebyensuringmininannRCSheatlass;ha@ever,1.MaintainS/GpressurelessthanS/Gsafetysetpoint(985psig).2.Withdec+easing RCSpressure, maintainhatlegture(Gh)atleast20Fbutlessthan200belierthesaturatian tenperature th.Iwtheatnespberic dungvalves.5.15Verifybythefollowing indications thatnaturalcirculation flmrhasbeenestablished withinagxraximately 15minutesafterRCP'swerestopped.1.IuapDe1taTlessthannormalfullpawerDeltaT(<46F).2.Coldleg(Tc)canstantordecnwasing.

3.Hatleg('Ih)stable(i.e.,nat:~di1y incr~ing)

.

'JIl.1I*JC,4g'l+if 5.0ST.IIJCZEUNIT1EMERGENCY HKIQUXRENUMHK1W030143, HEVLSIGH100(continued) 5.15(contirxml) 4.Noabnormaldifferences between'IhRH)'sandCoreExitGheraecouples (CEZs).Page6of19XLQP5.165.RCSCETSuhcooling

>20'FperQSHS.IfRCSpressuredecreases to1700psia,verifyreceiptofblockpermissive annunciator (R-6)andblockSIAS.5.17Natifysystemdispatcher ofplantcanditians andrequestmosturgentpriorityinrestcn~off-sitepower+5.18If1CAFWPunyisstoppedorflawislost,then:1.Reinitiate AFWflawasscanaspossible; however,donotexceedaflawrateof150GERperaffectedS/G.2.Limitfeedflmrrateto150GBfperaffectedS/Guntilcontinuous feedflawtotheaffectedS/Ghasbeenmaintaiixd forfiveminutes.5.19Useallavailable resaucestorestneeaneEmergency DieselGenerator tooperablestatus.5.20AssumingUnit2hashathdieselsavailable, aneofthesedieselsmaybecross-tied toUnit1.RefertoApperxUx"A~~.5.21RmneitherUnit1dieseloroff-sitepcs'savailable, restorenormalpowerusingAppendix"8" lI'.'!lf1 ST.IIJCIEUNIT1EMIREÃCYHKCElXRENUMBER1M030143g EKVISIQN100ACPage7of19.TQgAE%%ÃDIXA2D1.Assuninpthatbothdieselsarerunrdapandsupply~loadsonUnit22A3and2B3buses,selectthedieseltobetiedto.Unit1.2.Transferloadstotheotherdiesel,beingcarefulnottoexceed659amps,untiltheselecteddieselisunloaded.

3.Performtheiniicated switchdsr~

antheelectrical trainthatwillcross-tie thediesel:3.14.16KVSwitchgear 2A3(2B3)Qpenbracerandpullfusesonthefallowing:

1)4.16KVFeedto2AB4.16KVbus2)4.16KVFeedto2A2(282)L.C.3)2A(2B)HPSIPunp4)2A(2B)ZPSZBmpevww6)2A3(2B3)L.C.(Pressurizer Heaters)7)CECMCoolingFan2HVE-21A(21B)8)2A(2B)CCWBmp9)2A(2B)ICWPump10)2A(2B)AFWPuny3.24.16KVSwitchy~r 2A2(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)2haciliaxy Transformer 2)2A(2B)StartupTransfarnar 3)2A1(2A2)Circulating WaterPuny4)2Bl(2B2)Circulatiap WaterBmy5)S/GBlawdawn480VKXXB91W862-201022-201032-201042-201051W842-203022-203032-20304 ST.IOC3ZUNIT1KHERGBVCY E%KCECUEK NUMBER1W030143gREVISION100APE%ÃDIXA(continued)

Page8of196)2A(2B)TCÃPump7)2Aor2C(2Bor2C)~nsatePump8)2A(2B)HeaterDzcdnPuap9)4.16KVFeedto2A1(2Bl)L.C.3.34.16'wihdxpmr 2A4(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)priortoperforming thenextstep.

I'Il(pAlP'iyw')ejf8fg)II ST.ILJCXEUNIT1URGENCYPROCURENUMEKR1~30143gREVISION100Page9of19TQ3P3.(ccrrtiinued)

APE%5DZKAA(continued) h'ZBBXH~Bh&~5K5)Rackinandclosebreaker4incubicleN3(TiehzealcerfarUnit1/Unit2Swgr.).2-206032-20703Itwillbenecessazy toholdtheswitchforbreaker2-20109(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)].2-201022-203023.74.16KVSwitchgear 3A2(1B2)Openbzeakezsanthefollowing:

1)3A(1B)Au>ciliazy Transformer to4.16KVhus2)3A1(1A2)Circulating WaterPump3)1B1(1B2)Circulating WaterPuap4)S/GBlawdown480VMCC1B95)1A(1B)TCWPump6)1A(1B)Candensate Bmy7)3A(1B)HeaterDzcdnPump20101203012010320303201042030420305201062030620107203072010820308

~t~"1'~C~'4kiS ST.IIJCIEUNIT1EMEXKENCY PBDCEIXRE NUMBER1-0030143'EVISIGN 10Page10of19XUZ3.(cantirmad)APEKND3XAD(continued) 3.84.16KVSwitchgear 1A3(1B3)Openandrackautthefollawirg breaker:1)3A(1B)DieselGenerator Openbreakersanthefollawing:

1)IA(1B)HPSIPump2)IA(1B)LPSIPuaypyWW4)IA3(1B3)Pressurizer HeaterTransforner 5)3A(1B)CCNPump6)IA(IB)ICWPump7)4.16KVFeedtoIAB4.16KVbus8)M(1B)AFWPump3.9Insertfusesandclosebreaker¹[IA(1B)S.U.Transformer to4.16KVbus].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+420Vandfrequency is60+1.2Hertz.4.Start4.16KVequi~tasneeded.EnergizeloadcentersandMCC'sbyfirststripping theZaadCenter/HCC busandthenenergizirxy thebus./

Wjl4'i~p4,41(

ST.IDCXEUNIT1IMXGEKCYFBQCEIXRE NUMBER1W030143gREVISIOH100CPage11of19~3XQPAPPENDZXB1.~nexgizeIoadCentersandMOC'sbyfirststripping theZaadCenter/HCC busandthenopeningthepowersupply.2.De-energize equipnent andopenbreakersonallloadsfran1A3(1B3)and1A2(1B2)4.16KVbuses.3.Performtheindicated switching ontheelectrical tntbergrestoredELXBBZHKKMH~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.Dansforner to1A2(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.Transfarzmr to2A2(2B2)4.16KVbus].2-201022-20302

~\3VP,'l/JWP0, ST.IJJCZEUNIT1ZMERGEKCY HKCEZXJRE NUMBERlW030143, REVISION100C3.(continued)

APPENDIXB(cxmtiLnued) 3.64.16KVSwitchgear 2A2(2B2)Replacefusesonthefollawimp:

1)2A(2B)Auxiliary Transformer 2)2A1(2A2)Circulatinp WaterPump3)2B1(2B2)Circulating WaterPump4)S/GBlowdown480VMCC1B95)2A(2B)VCRPump6)2A(2B)Condensate Bmp7)2A(2B)HeaterDrainPump8)4.16KVFeedto2A1(2B1)L.C.3.74.16KVSwitchgear 2A3(2B3)Replacefusesonthefollmding:

1)4-16KVFeedto2AB4.16KVbus2)4.16KVFeedto2A2(2B2)L.C.3)2A(2B)HPSXPutty4)2A(2B)LPSXPump>~evow6)2A3(2B3)L.C.(Pressurizer Heaters)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)areenergized bythezurudngdieselandmaybereloadedasrequired.

C4II SZ.IIJCZEUNIT1ZHEKEKCYPBQCEK1RE NUMBER1W030143g~IGH10OFACPage13of19~p3.(continued)

APPENDIXB(continued) 3.84.16KVSwitchgear 2A4(2B4)1)Openandrackautbreaker¹[1A(2A)S.U.Transformer crcm-tie].

2)Reaxvebreakerframcubicle¹3andinstallincubicle¹5(or¹1,if~sty).3)Rackinandclosebrealcer¹[1A(1B)S.U.Transformer IncaningFeeder].4)Rackinandclosebreaker¹[2A(2B)S.U.Transforaer InccadzgFeeder].gag4.16KVswitchgear 2A4(2B4)isnowalignedfaroffsitepawer,ifavailable.

~hXHB'RhXH&KK2-206032-207031W901W82'-206012-207051W881W802-206052-20701/R10/R103.9Stripallvitalandnan-vital loadcenterbreakersinpreparation forasysteaatic powerrestoratian.

3.10Energizethe4.16KVbusesbyeitherofthefollowing aetlxds:1.Energizatian withDiesel: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 page14of19QJCZEUNIT1EMERGENCY EBDCEIXHE NUMBERlW030143i REVISION10(continued) 3.(continued) 3.10(continued) 1.(continued) e.Releasebreaker20109(20309)-andreaavesyncbplug.2.Bnangization withStartuyTranaforaer:

A'INA2NB'INAINCHEgga.Closebrea)cer¹2010220302[3A(IB)S.U.Transformer to3A2(IB2)4.16KVbus].b.Closebreaker¹[3A3(IB3)toIA2(1B2)tie]~c.Insertsynchplugandclosebreaker¹[3A3(IB3)to3A2(IB2)tie].g7gg'Ibefollowing maybeenergized as+~ed,notnecessarily inthe03.11Toenergize3A2(1B2)480VZaadCenters:1.Closebreaker¹[4.16KVfeedto3A2(1B2)L.C.].2.Closebreaker¹[3A2(IB2)StationServiceTransforIMr toIA2(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'HERGEKCY PBOCECGEK NUMBER1W030143, 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"supplying theIA(1B)DCbusbyverifying IA(1B)DCbusvoltageonEGGB-101tobe>120VDC.AlignandinitiateamxgencycooleywatertotheZnstxunent Air'cagn~oxs.

Whenpowerhasbeenrestoredto3A6(IB6)MCC,theAir~messor(s) maybestaxtmi.

II~t, Page16of19,ST.IIX'NIT1HKPGENCYHKCEIXRENUMBER1W030143IREVZSIQH10QAKNERAPPENDIXB(continued) 3.20Start3A(1B)CmxgingPumptorestorePressurizer

,level.WhentheCCWSystemisreturnedtoaperatian, aHPSIpuapmaybeoperatedtoampnentxefilling ofthePxessurizer.

3.21Observeallavailable indicatians tochdmxuneconditions withinthehCSandensuresubcooling.

1.UsetheQSPDSSubcoolMarginMonitor(SMN)displaytoensurethattheRCS,+perHead,andCpsindicate>20degreesand<200'Fsubcooled.

2.SubcoolMarginCurve(Figure1)shouldbeusedwithRCST-batRKsandPressurizer pressureasacxmparisan withtheQSPD6B%fdisplay.3.22IfRCS3anot>20'Fsubcooled'.

WiththePressurizer available, useheaterstoestablish 20'Fsubcooled canditians, whenheaterpowerisxestoxed2.Ifthepxessurizer isnotavailable, establish therecydxedsubcooling byrechcingRCStaapexatuxe, orbypressurizing withchanginparHPSIflaw.3.23IftheRCSisorbecmes>200'Fsubcooled:

1.WiththePressurizer available, reducepressuxebyrenxvingheatexsfransexviceandutilizePxessurizer spray.2.WithE?eessurizer notavailable, cansiderthxo~ingtheHPSIpucesdischarge or~ingchargingpm~toreduceRCSpressure.

~Q~B'gg~Cggg3.24Closebreaker4(4.16'eed toPressurizer Heaters).3.25WhenPressurizer-level indicates

>30t,energizePressurizer heatersB-1,B-2,B-3,P-1(~,~,~,P-2).3.26EnsureICWsealwaterfranUnit1DcaIestic WaterSystemisavailable.

2020420403 E.,f$QlS ST.IIJCZEUNIT1HKRGEKCYPROCECURE NUMHER1W030143, REVISION10QIPage17of19TIOP3.(contiramd)

APPENDIXB(continued) 3.27~mtablish 3A(1B)ICNthunasfoU.aws:1.Establish sealwater.2.'Ihrottle 3A(1B)ICÃPumpdischavge valve.3.Start3A(1B)ICSPump;thenpressurize andvent3A(1B)ICNheeler.4.Afterventing,open3A(13)ICHPumpdisN~gevalve.3.28Re-establish 3A(1B)OCÃtx~asfollaws:1.IsolateCCÃtoRCP'sbyclosingHCV-14-1, 26and7(topreventthexmalshockingRCPseals).2.'Ihrottle 3A(1B)CCRBmpdischarge valve.3.WsureCCNSurgeTankatnormallevel.4.Start3A(1B)CCWPump;thenpressurize andslowlyopen3A(IB)CCÃyuandischarge valve.3.29~stablish CUTSletdowntomaintainPressurizer levelatnormalaperating level.3.30Ccaxnence horatiantoGoldShutdownboroncuncentxatian.

3.31StartonesetofCavityandSupportGoolirgFans.3.32ProceedtoOP1W320039,

'N'atural Circulati~Oooldown, andperformincorrjun~an withthebalanceofthisprocedure.

3.33Reatca~balarxmofsecandary plantinaccordance withEP1W030140, "Blackout tian."(~(

  • p'Ji(~lr~I ST.IIJCZEUNXT11~XGENCYPBOCEEXEK NUMBER1W030143, REVISION10Page18of19.XLQP25002250IIIPRE5n505URt500ZERNOTACCEPTABLE lOVfSUSCOOLCD ACCEPTABLE IIIIIIPRE5oooo5URT50(pc@)1MSUICOOLID

//IlISATURATlON TMRNOTACCEPT BLE150200250200250400450500RCSTEMPERATURE

'F.

l9l~~ph)'f8,()1V1 Page19of196.0DST.QJCIEUNIT~ZMERGEÃCY PROCEDURE NUMBER1W030143, REVXSICN100\'Ihe'MtallassofACPawed'vent cansistsofalossofafritepowerinconjunction withfailuxeoftheagencyDieselGenerators topmvideeaazgency power.'IhisresultsinalossofallACelectrical pa~exceptthatpmvidedbyinverters poweredharemthevitalDCbu.~.'Ihetexmunation ofACpatercausesalossofforcedzeactorcoolantflaw,mainfeedwater flow,stemflawtotheTuxbineandPressurizer pressurecontrol.'Ihereactortripsaneitherlawxeactarcoolantflaw,highReactorCoolantSystempressureorlawSteamGenerator leveldepencUaxy oninitialcarxlitions.

'Ihe"TatalZassofACPower"eventalsocausesalossofallRCSmakeupcapability whichincludeschaxgmyandsafetyhrjectian flaw.Inventory lossesthmughleakage,ReactorCoolantPumpcantmlled

bleedoff, andY1111decpmlatian ofpressureandlevelcantmlduringtheevent.'Iheathercontributor tocoolantsystemshrinkage andpressurereduction issy.~iheatloss,primarily kahn~thePressurizer walls.Coreheatremvalisacccmplished thmughnaturalcirculation.

RCSheatrivalisa~lishodusingAtmo.+M.ric DumpValvesandthesteam-driven AFHBmp.Instxuctians arepmvidedfor~kgeither2Aar2BdieselintotheUnit1gridtopmvidetaqxxeaxy power.AstudymadebyCEindicates thattheunitcanxunfranbatteries alaneforuptofearbeaus.Ifit~versttwtpcs'estoration willbegreaterthanfaurhours,preparations shouldbemadetouseoneoftheUnit2diesels.7.0KZZKMZ:7.1CEBaexgency PmcedureGuidelines, CEN-I52,REV-D2.7.2St.ZucieUnit1Off~ralOperating Pmceduxes.

8.08.1Nozmallogentries.9.0ReviewedbyFacilityReviewGraupAppmvedbyPlantManagerRevtsian~Reviewed byFRGAppmvedbyPlantManager198241982=')3~QdEP1~30143REVISION101U3MNO.OFURGES~

Attachment IILICENSING BASISCRITERIATORESOLVESTATIONBLACKOUTFORFLORIDAPOWER&LIGHTST.LUCIENUCLEARUNITSRGSBO Pf~'Lg'ye'.tk4lh Attachment IIPagetwo1.0PURPOSE2.0Theinformation providedbythisdocumentprovidesthelicensing criteriathatwillbeusedbyFloridaPower6LightCompany(FPL)tomeettherequirements oftheStationBlackout(SBO)rule.Itisintendedtoformthebasisforagreement betweenFPLandtheNRCforsatisfying therule.Whenimplemented itwillmeetrequirements of10CFR50.63"LossofAllAlternating CurrentPower".INTRODUCTION Resolution ofUnresolved SafetyIssue(USI)A-44,STATIONBLACKOUT, wasconcluded bytheNRConJune21,1988byamendingitsregulations (i.e.,10CFR50)torequirethatlightwatercoolednuclearpowerplantsbecapableofwithstanding atotallossofalternating current(AC)electricpower(i.e.stationblackout).

DISCUSSION Resolution oftheStationBlackoutissueforFPLnuclearunitshasrequiredconsideration ofthecriteriaembodiedintheNRCfinalrule,Regulatory Guide1.155"STATIONBLACKOUT" andNUMARCdocument87-00"Guidelines andTechnical BasesforNIBRRCInitiatives Addressing StationBlackoutatLightWaterReactors".

FPLisrequiredbylawtocomplywiththe"rule"aspresented in10CFR50.63.

FPLhasobtainedguidancefromtheregulatory guidetoimplement therule.FPLhasalsovoluntarily agreed,throughexecutive commitment, toimplement five(5)initiatives fromNUMARC87-00Section1.2.Allthesedocuments wereusedtodevelopFPL'sLicensing BasisCriteriadocumentfortheSt.Lucieunits.4.0SCOPEANDLIMITATIONS Theruleandsupporting guidancedocuments allowflexibility inaddressing stationblackout.

Thisdocumentprovidesthelicensing criteriathatarethebasesforFPLtoresolvethisissue.Itisnotintendedto.addressalloptions.Specifically, resolution ofstationblackoutforSt.Lucienuclearunitsshallberesolvedbyuseofanalternate safetyrelated,class1E,seismiccategory1,poWersourceandunitintertiewiththeabilitytoalignthesourcein10minutes.5.0REQUIREMENTS OFTHERULE5.1One(1)Emergency DieselGenerator (EDG)shallbemadeavailable in10minutesaftertheonsetofastationblackout(10CFR50.63(c)(2)):

RGSBO QfgltTv14 Attachment IIPagethreea)The10minuteclockshallstartafter:operators performtheimmediate stepsintheEmergency Operating Procedures (EOP's)verifyscram,otherprimarysystemparameters, attempttorestoreoffsitepowerandattempttostarttheEDG'sfromthecontrolroompertheEOP's.b)c)d)TheEDGshallbemadeavailable tothenonpowered buses,bydemonstration, in10minutes,afterperforming itemsinsection5.1(a).TheEDGshallbecapableofsupporting allnecessary loadstoplaceunits1and2inhotstandby(i.e.,safeshutdown) for4hours.AllEDGloadsforstationblackoutshallbeidentified inaloadstudyforpurposesofidentification inthe"TOTALLOSSOFACPOWEREOP".e)Toprovidereasonable assurance ofsuccessbyanalysis, thefailedstatefrequency forthesharedSBOelectrical configuration shallnotexceed1x10/year.Independence betweenexistingsafety-related systemsshallbeprovidedbyaminimumoftwo(2)class1Ecircuitbreakeradministratively controlled fromthecontrolroom.g)h)AlldesigncriteriausedtoaddressSBOmodifications shallconformwithcriteriaapplicable totheunit'scurrentlicenseddesignbases.Totheextentthatthelicenseddesignbasiscommitstoregulatory guides,industrydesigncodesandstandards, theyshallbeused.TheSBOmodifications shallnotchangethelicensedconfiguration ofunits1and2.5.2LossDBA)a)ofCoolantAccident-DesignBasesAccident(LOCA-shallnotbeconsidered:

(10CFR50.2)TheSBOeventisassumedtooccurwithoutpostulating anyotherconcurrent DesignBasesAccident(DBA).b)TheSBOeventisassumedtooccurafteralossofOffsitePower(LOOP)andfailuretostarttwooftwoEDG'sontheaffectedunit.RGSBO

'4LIIP Attachment IIPagefourc)Noothersinglefailuresareassumedorpostulated duringtheSBOeventforbothunits.Seismic,floodingandfireinducedSBOeventsshallnotbeconsidered concurrent withthisdesign.d)Non-LOCAloadsshallbeusedasaSBOdesignbasesforEDGloading.Loadsidentified tobeplacedontheEDGshallprovideassurance thattheunitscansurvivetheSBOeventforfour(4)hours.Theseloads,asaminimum,shallsupportthefollowing functions:

1)waterfordecayheatremoval2)HVACincriticalor"dominant areaofconcern"toassureequipment operability 3)coolingforRCPsealstoprecludesealfailures4)fueloilforEDGoperability 5)powerforvalvesrequiredforcontainment integrity 5.3RecoveryProcedure(s) a)Theprocedure(s) shallberevisedfollowing implementation ofthe10-minute crosstiedesigntoaddressactionstobetakentomitigateandrecoverfromtheSBOevent.Theprocedure shallincludecontainment isolation, ACrecoveryanduseof(1)EDGtomitigateSBOfortherequiredduration.

b)Theprocedure(s) shallincludeandaddressactionstakeninthe24-hourperiodpriortoanticipated hurricane forcewinds.6.0COMMITMENT TONUMARC87-00Criteriaprovidedinthisdocumentmeetsallfive(5)industryinitiatives committed totheNRCbyNUMARC87-00Section1.2.Inaddition, criteriaprovidedinthisdocumentconformstoNUMARC87-00"Guidelines andTechnical BasesforNUMARCInitiatives Addressing StationBlackoutatLightWaterReactors".

RGSBO T~vIp Attachment IIPagefive7.0REQUIREDSUBMITTALS 7.1Information submittal, April17,1989~a)Byuseoftables1through8inRegGuide1.155FPLshallproposeastationblackoutdurationtime.Thedurationtimemaybemodified, withjustification, totakecreditfortheoppositeunits2EDG'sviathe10-minute crosstie(toreducecopingtimeto4hours).b)Description ofprocedures thatwillbeimplemented forSBOeventsforthedurationdetermined in(a).c)Description ofmodifications tothefacilitytomeetrequirements oftheSBOeventandaproposedscheduleforimplementation.

7.2Implementation ScheduleAfinalimplementation scheduleshallbesubmitted inaccordance with10CFR50.63(c)(4).

"RGSBO

/IV'IC'IPi~jlDiL0

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