ML17262A890

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Rev 9 to EOP ES-1.2, Post-LOCA Cooldown & Depressurization.
ML17262A890
Person / Time
Site: Ginna Constellation icon.png
Issue date: 05/06/1992
From:
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17262A884 List:
References
ES-1.2, NUDOCS 9206160397
Download: ML17262A890 (56)
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Text

EOP:ES-1.2POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:9PAGE1of23ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATEPLANTSUPERINTENDENT EFCTVEDATECATEGORY1.0REVIEWEDBY:9206160397 920605PDRADOCK05000244PPDR t'went'iI"r EOPES-1'TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:9PAGE2of23A.PURPOSE-Thisprocedure providesactionstocooldownanddepressurize theRCStocoldshutdownconditions following alossofreactorcoolantinventory.

B.ENTRYCONDITIONS/SYMPTOMS 1~ENTRYCONDITIONS

-Thisprocedure isenteredfrom:E1gLOSSOFREACTORORSECONDARY COOLANTfwhenRCSpressureisgreaterthantheshutoffheadpressureoftheRHRpumps.

6I<<la+~

EOP'S-1'TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:9PAGE3of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFRWSTLEVELDECREASES TOLESSTHAN28$,THENTHESISYSTEMSHOULDBEALIGNEDFORCOLDLEGRECIRCULATION USINGES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, STEP1.*****************************************NOTE:oFoldoutpageshouldbeopenandmonitored periodically.

oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressurefsgreaterthan4psigorCNMTradiation isgreaterthan10+0~R/hr.1VerifyAllACBusses-ENERGIZED BYOFFSITEPOWERoNormalfeedbreakerstoall480voltbusses-CLOSEDo480busvoltage-GREATERTHAN420VOLTSoEmergency D/GoutputbreakersOPENPerformthefollowing:

a.IFanyACemergency busnormalfeedbreakeropen,THENensureassociated D/Gbreakerclosed.b.Performthefollowing, asnecessary:

1)Closenon-safeguards bustiebreakers:

~Bus13toBus14tie~Bus15toBus16tie2)Placethefollowing pumpsinPULLSTOP'EHpumps~Turninggearoilpump~HPsealoilbackuppump3)RestorepowertoMCCs.~AfromBus13~BfromBus15~EfromBus15~FfromBus154)WHENbus15restored, THENresetcontrolroomlighting.

5)RefertoAttachment SI/UVforotherequipment lostwithlossofoffsitepower.c.TrytorestoreoffsitepowertoallACbusses(RefertoER-ELEC.l, RESTORATION OFOFFSITEPOWER).

'\4'.%k4\Q~+galht EOP:ES-1~2T!TLF.:POSTLOCACOOZDOWNANDDEPRESSURIZATION REV:9PAGE4of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*******4'********************************CAUTIONRCSPRESSURESHOULDBEMONITORED.

IFRCSPRESSUREDECREASES TOLESSTHAN250PSIG[465PSIGADVERSECNMT),THERHRPUMPSMUSTBEMANUALLYRESTARTED TOSUPPLYWATERTOTHERCS.2CheckIfRHRPumpsShouldBeStopped:a.CheckRCSpressure:

1)Pressure-GREATERTHAN250psig(465psigadverseCNMT]2)Pressure-STABLEORINCREASING a.GotoStep3.b.StopRHRpumpsandplaceAUTO r.~a' EOP:ES-1'TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:9PAGE5of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED3Establish 75GPMChargingFlow:a.Chargingpumps-ANYRUNNINGa.Performthefollowing:

1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCP¹1sealoutlettemperature offscalehigh,THENdispatchAOwithRWSTareakeytolocallyisolatesealinjection toaffectedRCP:~V-300AforRCPA~V-300BforRCPBtb.AlignchargingpumpsuctiontoRWST:oLCV-112B-OPENoLCV-112C-CLOSED2)EnsureHCV-142open,demandat0%.b.IFLCV-112BcanNOTbeopened,THENperformthefollowing:

1)VerifychargingpumpANOTrunningandplaceinPULLSTOP..c.Startchargingpumpsasnecessary (75kweach)andestablish 75gpmtotalchargingflow2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).~Charginglineflow~Sealinjection flow 1~4E EOP:ES-1'TITLE:POSTLOCAC'OQLDQWN ANDDEPRESSURIZATION REV:9PAGE6of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED4Establish Condenser SteamDumpPressureControl:a.Verifycondenser available:

oAnyMSIV-OPENoAnnunciator G-15,STEAMDUMPLITa.PlaceS/GARVcontrollers inAUTOatdesiredpressureandgotoStep5.b.Adjustcondenser steamdumpcontroller HC-484todesiredpressureandverifyinAUTOc.PlacesteamdumpmodeselectorswitchtoMANUAL*****************************************CAUTIONIFCSTLEVELDECREASES TOLESSTHAN5FEET,THENALTERNATE WATERSOURCESFORAFWPUMPSWILLBENECESSARY (REFERTOER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).NOTE:TDAFWpumpflowcontrolvalvesfailopenonlossofIA.5CheckIntactS/GLevels:a.Narrowrangelevel-GREATERTHAN5%[25%adverseCNMT]b.Controlfeedflowtomaintainnarrowrangelevelbetween17%[25%adverseCNMT]and50%a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]inatleastoneS/G.b.IFnarrowrangelevelinanyS/Gcontinues toincreaseinanuncontrolled manner,THENgotoE-3,STEAMGENERATOR TUBERUPTURE,Stepl.

plOemes EOP:ES-1.2POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:9PAGE7of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Shutdownmarginshouldbemonitored duringRCScooldown(RefertoFigureSDM).6InitiateRCSCooldownToColdShutdown:

a.Establish andmaintaincooldownrateinRCScoldlegs-LESSTHAN100'F/HRb.UseRHRsystemifinservicec.Dumpsteamtocondenser fromintactS/G(s)c.ManuallyorlocallydumpsteamusingintactS/GsARV.7CheckRCSSubcooling BasedOnCoreExitT/Cs-GREATERTHANO'FUSINGFIGUREMINSUBCOOLING ManuallyoperateSIpumpsasnecessary andgotoStep19.8CheckSIandRHRPumpStatus:oSIpumps-ANYRUNNING-OR-GotoStep15.oRHRpumps-ANYRUNNINGININJECTION MODE9PlacePRZRHeaterSwitchesInTheFollowing Positions:

oPRZRheatercontrolgroup-PULLSTOPoPRZRheaterbackupgroup-OFF c.tS~Ii0>)'t~+

EOP:ES-1'TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV'PAGE,8of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONVOIDINGMAYOCCURINTHERCSDURINGRCSDEPRESSURIZATION.

THISWILLRESULTINARAPIDLYINCREASING PRZRLEVEL.*******************6***********.IL'********NOTE:oWHENusingaPRZRPORV,THENselectonewithanoperableblockvalve.oIfauxiliary sprayisinuse,sprayflowmaybeincreased byclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.10Depressurize RCSToRefillPRZRa.Depressurize usingnormalPRZRsprayifavailable a.Depressurize usingonePRZRPORV.IFIANOTavailable, THENrefertoAttachment N2PORVS.b.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]IFnoPORVavailable, THENuseauxiliary sprayvalve(AOV-296).

b.ContinuewithStep11.WHENlevelgreaterthan13%[40%adverseCNMT),THENstopRCSdepressurization.

c.StopRCSdepressurization CA EOP:ES-1-2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV9PAGE9of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFRCPSEALCOOLINGHADPREVIOUSLY BEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATION.

11CheckIfAnRCPShouldBeStarted:a.BothRCPs-STOPPEDb.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.StopallbutoneRCPandgotoStep12.b.GotoStep19.c.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]d.TrytostartanRCP1)Establish conditions forstartinganRCPoBusllAorllBenergized oRefertoAttachment RCPSTARTc.ReturntoStep10.d.IFIAtoCNMTavailable, THENensureatleastonecontrolrod.shroudfanrunning(45kweach).2)StartoneRCP

~A~~Ir EOP:ES-1-2TIZLE0POSTLOCP,COOLDOWNANDDEPRESSURIZATION REV:9PAGE10of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED12CheckIfOneOfThreeSIPumpsShouldBeStopped:a.ThreeSIpumps-,RUNNING b.RCSsubcooling basedoncoreexitT/Cs-GREATERTHAN-35'F

[90'FadverseCNMT]USINGFIGUREMINSUBCOOLING c.CheckPRZRlevel-GREATERTHAN13%[40%adverseCNMT]d.StoponeSIpumpa.GotoStep13.b.IFRCShotlegtemperatures greaterthan325'F[270'FadverseCNMT]ORIFRHRnormalcoolinginservice,THENgotoStep19.IFRHRnormalcoolingNOTinserviceANDRCShotlegtemperatures lessthan325'F[270'FadverseCNMT],THENensureatleastoneRHRpumprunningininjection modeandgotoStep12c.IFnoRHRpumpcanbeoperatedininjection mode,THENgotoStep19.c.DoNOTstopSIpump.ReturntoStep10.

%'I~lVE EOP:ES-1.2TITLELOCACOOLDOWNANDDEPRESSURIZATION REV:9PAGE11of23STEP,ACTION/EXPECTED RESPONSERESPONSENOTOBTAINED13CheckIfOneOfTwoSIPumpsShouldBeStopped:a.TwoSIpumps-RUNNINGb.Determine requiredRCSsubcooling fromtable:a.GotoStep14.ChargingPumpAvailability NONEONETHREERCSSubcooling Criteria120'F[200'FadverseCNMT]115'F[190'FadverseCNMT]105'F[180'FadverseCNMT]100'F[175'FadverseCNMT]c.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANVALUEFROMTABLEABOVEUSINGFIGUREMINSUBCOOLING d.PRZRlevel-GREATERTHAN13%[40%adverseCNMT)e.StoponeSIpumpc.IFRCShotlegtemperatures greaterthan325'F[270'FadverseCNMT]ORIFRHRnormalcoolinginservice,THENgotoStep19.IFRHRnormalcoolingNOTinserviceANDRCShotlegtemperatures lessthan325'F[270'FadverseCNMT],THENensureatleastoneRHRpumprunningininjection modeandgotoStep13d.IFnoRHRpumpcanbeoperatedininjection mode,THENgotoStep19.d.DoNOTstopSIpump.ReturntoStep10'

~~c~f'I0'tF' EOP:ES-1.2TITLE:LOCACPPLDOWNANDDEPRESSURIZATION REV:9PAGE12of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED14CheckIfLastSIPumpShouldBeStopped:a.OneSIpump-RUNNINGb.Determine requiredRCSsubcooling fromtable:a.IFanyRHRpumprunningininjection mode,THENgotoStep19.IFNOT,THENgotoStep15.ChargingPumpAvailability NONEONETWOTHREERCSSubcooling CriteriaInsufficient subcooling tostopSIpump.255'F[295'FadverseCNMT]235'F[285'FadverseCNMT]210'F[270'FadverseCNMT]c.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANVALUEFROMTABLEABOVEUSINGFIGUREMINSUBCOOLING d.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]e.StoprunningSIpumpc.IFRCShotlegtemperatures greaterthan325'F[270'FadverseCNMT]ORIFRHRnormalcoolinginservice,THENgotoStep19.IFRHRnormalcoolingNOTinserviceANDRCShotlegtemperatures lessthan325'F[270'FadverseCNMT],THENensureatleastoneRHRpumprunningininjection modeandgotoStep14d.IFnoRHRpumpcanbeoperatedininjection mode,THENgotoStep19.d.DoNOTstopSIpump.ReturntoStep10.

Q>>lI'l0I EOPES-1.2POSTLOCACOOLDONNANDDEPRESSURIZATION REV:9PAGE13of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED15CheckIfChargingFlowShouldBeControlled ToMaintainPRZRLevel:a.CheckRHRpumps-RUNNINGININJECTION MODEb.GotoStep19a.'StartchargingpumpandcontrolchargingflowtomaintainPRZRlevelandgotoStep16.*****************************************CAUTIONIFRCPSEALCOOLINGHADPREVIOUSLY BEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATION.

16CheckRCPStatus:a.RCPs-ATLEASTONERUNNINGa.Performthefollowing:

1)Establish conditions forstartinganRCP:oVerifyBus11AorllBenergized.

oRefertoAttachment RCPSTART.2)StartoneRCP.IFanRCPcanNOTbestarted,THENverifynaturalcirculation (RefertoAttachment NC).IFnaturalcirculation NOTverified, THENincreasedumpingsteam.b.StopallbutoneRCP 1plli>A41'st:

ES-1.2T!TLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV'PAGE14of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************

CAUTIONVOIDINGMAYOCCURINTHERCSDURINGRCSDEPRESSURIZATION.

THISWILLRESULTINARAPIDLYINCREASING PRZRLEVEL.NOTE:oWHENusingaPRZRPORV,THENselectonewithanoperableblockvalve.oIfauxiliary sprayisinuse,sprayflowmaybeincreased byclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.17Depressurize RCSToMinimizeRCSSubcooling:

a.Depressurize usingnormalPRZRsprayifavailable a.IFnormalsprayNOTavailable, THENuseonePRZRPORV.IFIA,NOTavailable, THENrefertoAttachment N2PORVS.b.EnergizePRZRheatersasnecessary c.Depressurize RCSuntilEITHERofthefollowing conditions satisfied:

IFnoPRZRPORVavailable, THENuseauxiliary sprayvalve(AOV-296).

oRCSsubcooling basedoncoreexitT/Cs-LESSTHAN10'FUSINGFIGUREMINSUBCOOLING

-OR-oPRZRlevel-GREATERTHAN75%f65%adverseCNMT]

PIpR" EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV9PAGE15of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED18VerifyAdequateShutdownMargina.DirectHPtosampleRCSforboronconcentration b.Verifyboronconcentration-GREATERTHANREQUIREMENTS OFFIGURESDMb.Borateasnecessary.

19VerifySIFlowNotRequired:

a.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.ManuallyoperateSIpumpsas.necessary andgotoStep20.b.PRZRlevel-GREATERTHAN5%[30%adverseCNMT)b.ManuallyoperateSIpumpsasnecessary andreturntoStep10.

IE EOP:ES-1.2POST'LOCACOQLDOWNANDDEPRESSURIZATION REV9PAGE16of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED20CheckIfSIACCUMsShouldBeIsolated:

a.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING b.PRZRlevel-GREATERTHAN5%f308adverseCNMT)c.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischarge valves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cd.CloseSIACCUMdischarge valves~ACCUMA,MOV-841~ACCUMB,MOV-865a.IFbothRCShotlegtemperatures lessthan400'F,THENgotoStep20c.IFNOT,THENgotoStep21.b.ReturntoStep10.d.Ventanyunisolated ACCUMs:1)Openventvalvesforunisolated SIACCUMs.e.LocallyreopenbreakersforMOV-841andMOV-865~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.

4,y45'I~l~

EOP:ES-1.2T!TLE:POSTLOCACOOI,DOWN ANDDEPRESSURIZATION REV:9PAGE17of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED21CheckIfEmergency D/GsShouldBeStopped:a.VerifyACemergency bussesenergized byoffsitepower:oEmergency D/GoutputbreakersOPENa.Trytorestoreoffsitepower(RefertoER-ELEC.1, RESTORATION OFOFFSITEPOWER).oACemergency busvoltageGREATERTHAN420VOLTSoACemergency busnormalfeedbreakers-CLOSEDb.Stopanyunloadedemergency D/Gandplaceinstandby(RefertoAttachment D/GSTOP)22VerifyAdequateSWFlowToCCWHx:a.VerifyatleasttwoSWpumpsRUNNINGb.VerifyAUXBLDGSWisolation valves-OPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735a.Manuallystartpumpsaspowersupplypermits(258kwperpump).IFlessthantwoSWpumpscanbeoperated, THENgotoStep23.b.Establish SWtoAUXBLDG(Refer~toAttachment AUXBLDGSW).c.VerifyCNMTRECIRCfanannunciator C-2,HIGHTEMPERATURE ALARM-EXTINGUISHED cdDispatchAOtolocallythrottleflowtoCCWHxtobetween5000gpmand6000gpmtotalflow.

fge<>$$'4~gA/KW EOP:ES-1.2POSTLOCACPPLDPWNANDDEPRESSURIZATION REV:9PAGE18of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED23CheckRCPCoolinga.CheckCCWtoRCPsEstablish normalcoolingtoRCPs(RefertoAttachment SEALCOOLING).

oAnnunciator A-7,RCP1ACCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHED oAnnunciator A-15,RCP1BCCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHED b.CheckRCPsealinjection oLabyrinth sealD/Ps-GREATERTHAN15INCHESWATER-OR-oRCPsealinjection flowtoeachRCP-GREATERTHAN6GPM I

EOP:ES-1'TITLE:LOCACOOLDOWNANDDEPRESSURIZATION REV:9PAGE19of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED24CheckIfSealReturnFlowShouldBeEstablished:

a.Verifyinstrument busD-ENERGIZED b.VerifyRCP¹1sealoutlettemperature

-LESSTHAN235'Fc.VerifyRCPsealoutletvalvesOPEN~AOV-270A~,AOV-270B a.Restorepowertoinstrument busDfromMCCBorMCCA(maintenance supply).b.GotoStep25.c.Manuallyopenvalvesasnecessary.

d.Resetbothtrainsof'XYrelaysforRCPsealreturnisolation valveMOV-313e.OpenRCPsealreturnisolation valveMOV-313f.VerifyRCP¹1sealleakoffflowLESSTHAN5.5GPMg.VerifyRCP¹1sealleakoffflowGREATERTHAN0.25GPMe.Performthefollowing:

1)PlaceMOV-313switchtoOPEN.2)DispatchAOwithkeytoRWSTgatetolocallyopenMOV-313.f.IFanyRCPsealleakoffflowgreaterthan5.5gpm,THEN:oClosetheaffectedRCPsealdischarge valve~RCPA,AOV-270A~RCPB,AOV-270BoTriptheaffectedRCPIFbothRCPsealdischarge valvesareshut,THENgotoStep25.g.RefertoAP-RCP.1, RCPSEALMALFUNCTIONS

EOP:ES-1~2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:9PAGE20of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTconditions orlossofforcedaircoolingmayresultinfailureofNISdetectors.

25CheckIfSourceRangeDetectors ShouldBeEnergized:

a.SourcerangechannelsDEENERGIZED a.GotoStep25e.b.Checkintermediate rangeflux-EITHERCHANNELLESSTHAN1010AMPSb..Perform thefollowing:

1)IFneitherintermediate rangechannelisdecreasing, THENinitiateboration.

2)ContinuewithStep26.WHENfluxisLESSTHAN10ampsonanyoperablechannel,THENdoSteps25c,dande.c.Checkthefollowing:

oBothintermediate rangechannels-LESSTHAN10AMPSc.ContinuewithStep26.WHENeithercondition met,THENdoSteps25dande.-OR-oGreaterthan20minutessincereactortripd.Verifysourcerangedetectors ENERGIZED d.Manuallyenergizesourcerangedetectors bydepressing P-6permissive defeatpushbuttons (2of2).IFsourcerangescanNOTberestored, THENrefertoER-NIS.1, SRMALFUNCTION andgotoStep25.e.TransferRk-45recordertoonesourcerangeandoneintermediate rangechannel 44~

EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATZON REV:9PAGE21of23STEPACTION/EXPECTED RESPONSERESPONSENOT,OBTAINED26Establish NormalShutdownAlignment:

a.Checkcondenser

-AVAILABLE a.DispatchAOtoperformAttachment SD-2.b.Performthefollowing:

oOpengenerator disconnects

~1G13A71~9X13A73oPlacevoltageregulator toOFFoOpenturbinedrainvalvesoRotatereheatersteamsupplycontroller camtoclosevalvesoPlacereheaterdumpvalveswitchestoHANDoStopallbutonecondensate pumpc.VerifyadequateRxheadcooling:1)CheckIAtoCNMT-AVAILABLE 2)Verifyatleastonecontrolrodshroudfan-RUNNING1)GotoStep26d.2)Manuallystartonefanaspowersupplypermits(45kw)3)VerifyoneRxcompartment coolingfan-RUNNING3)Performthefollowing:

oDispatchAOtoresetUVrelaysatMCCCandMCCD.PoManuallystartonefanaspowersupplypermits(23kw)d.VerifyAttachment SD-1-COMPLETE

  • '1,P4a EOP:ES-1'TITLE:POSTLOCACOOLDONNANDDEPRESSURIZATION REV9PAGE22of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED27CheckIfRCPsMustBeStopped:a.RCPs-ANYRUNNINGb.Checkthefollowing:

oRCP¹1sealD/P-LESSTHAN220PSIDa.GotoStep28.b.GotoStep28.-OR-oCheckRCPsealleakage-LESSTHAN0.25GPMc.StopaffectedRCP(s)28CheckCondenser SteamDumpAvailable

-CONDENSER VACUUMGREATERTHAN20INCHESHGUseintactS/GARVforRCS'temperature control.29CheckIfRHRNormalCoolingCanBeEstablished:

a.RCScoldlegtemperature

-LESSTHAN350'Fa.ReturntoStep5~"b.RCSpressure-LESSTHAN400psig[300psigadverseCNMT]c.PlaceRCSoverpressure protection systeminservice(Referto0-7,ALIGNMENT ANDOPERATION OFTHEREACTORVESSELOVERPRESSURE PROTECTION SYSTEM)b.GotoStep30.d.ConsultTSCtodetermine ifRHRnormalcoolingshouldbeestablished usingAttachment RHRCOOL

~t/,pi4P+*It' EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:9PAGE23of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED30CheckCoreExitT/Cs-LESSTHAN200'FReturntoStep5~31EvaluateLongTermPlantStatus:Ia.Maintaincoldshutdownconditions b.ConsultTSC-END-11 EOP:ES-1'POSTLOCACOOLPOWNANDDEPRESSURIZATION REV:9PAGE1of1ES-1.2APPENDIXLISTTITLE1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING 3)FIGURESDM4)ATTACHMENT SEALCOOLING5)ATTACHMENT RCPSTART6)ATTACHMENT NC7)ATTACHMENT D/GSTOP8)ATTACHMENT SD-19)ATTACHMENT SD-210)ATTACHMENT SI/UV11)ATTACHMENT N2PORVS12)ATTACHMENT RHRCOOL13)ATTACHMENT AUXBLDGSW14)FOLDOUTPAGES tx~

ES-1'POSTLOCACOOLDOWNANDDEPRESSURIZATION REV'PAGE1of1REDPATHSUMMARYa.SUBCRITICALITY

-Nuclearpowergreaterthan54b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan434[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan5%[254adverseCNMT]ANDtotalfeedwater flowlessthan200gpmd.INTEGRITY

-Coldlegtemperatures decreasegreaterthan100'Finlast60minutesANDRCScoldlegtemperature lessthan285'Fe.CONTAINMENT

-CNMTpressuregreaterthan60psig Al4I EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:9PAGE1of1FIGUREMINSUBCOOLING NOTE:Subcooling Margin=Saturation Temperature FromFigureBelow[-]CoreExitT/CIndication SPRESSURE(PSIG)RC2500240023002200210020001900180017001600150014001300120011001000900800700600500400300200100020RCSPRESSUREINCREHENTS 20PSIGSUBCOOLED REGIONINADEQUATE SUBCOOLING REGIONDVERSECNHTEHPERATURE INCREHENTS 10'FNORHALCNHT0250300350400450500550600650700COREEXITSATURATION TEHPERATURE

('F)

~44y44I'4~1t'~44 EOP:ES-1'TITLE:.POSTLOCACOOLDOWNANDDEPRESSURIZATION REV9PAGE1of1BORONCONCENTRATION (PPH)1800FIGURESDM1600BORONINCREMENTS 20PPH140012001000ADEQUATESDM100PPMCONSERVATISHINCLUDED80O600400BORATE200BURNUPINCREMENTS 100MWD/HTU01000200030004000500060007000800090001000011000CYCLE22BURNUP(HWD/HTU) 1NOTE:Toobtaincoreburnup,usePPCSturnoncodeBURNUP.

fII'e1~~i EOP:ES-1~2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:9PAGE1of1FOLDOUTPAGESIREINITIATION CRITERIAIFElTHERcondition listedbelowoccurs,THENmanuallyoperateSIpumpsasnecessary:

oRCSsubcooling basedoncoreexitT/Cs-LESSTHANO'FUSINGFIGUREMINSUBCOOLING OR-oPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN54[30%adverseCNMT]2.SITERMINATION CRITERIAIFALLconditions listedbelowoccur,THENgotoES-1.1,SITERMINATION, Step1:a.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'FUSINGFIGUREMINSUBCOOLING b.TotalfeedflowtointactS/Gs-GREATERTHAN200GPMORNarrowrangelevelinatleastoneintactS/G-GREATERTHAN54[254adverseCNMT]c.RCSpressure:

oGREATERTHAN1625PSIG[1825psigadverseCNMT]oSTABLEORINCREASING d.PRZRlevel-GREATERTHAN5%[30~adverseCNMT]3.SECONDARY INTEGRITY CRITERIAIFanyS/Gpressureisdecreasing inanuncontrolled manneroriscompletely depressurized ANDhasnotbeenisolated, THENgotoE-2,FAULTEDS/GISOLATION, Step1.4.COLDLEGRECIRCULATION SWITCHOVER CRITERION IFRWSTleveldecreases tolessthan284,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, Stepl.5.AFWSUPPLYSWITCHOVER CRITERION IFCSTleveldecreases tolessthan5feet,THENswitchtoalternate AFWwatersupply(RefertoER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).6.E-3TRANSITION CRITERIAIFanyS/Glevelincreases inanuncontrolled manner,oranyS/Ghasabnormalradiation, THENgotoE-3,STEAMGENERATOR TUBERUPTURE,Step1.

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