ML17262A890

Rev 9 to EOP ES-1.2, Post-LOCA Cooldown & Depressurization.

ML17262A890
Person / Time
Site:	Ginna
Issue date:	05/06/1992
From:	ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17262A884	List: ML17262A883 ML17262A885 ML17262A886 ML17262A887 ML17262A888 ML17262A889 ML17262A890 ML17262A891 ML17262A892 ML17262A893 ML17262A895 ML17262A896 ML17262A897 ML17309A489
References
ES-1.2, NUDOCS 9206160397
Download: ML17262A890 (56)

Text

EOP:ES-1.2POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV:9PAGE1of23ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEWPORCREVIEWDATEPLANTSUPERINTENDENTEFCTVEDATECATEGORY1.0REVIEWEDBY:9206160397920605PDRADOCK05000244PPDR t'went'iI"r EOPES-1'TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV:9PAGE2of23A.PURPOSE-ThisprocedureprovidesactionstocooldownanddepressurizetheRCStocoldshutdownconditionsfollowingalossofreactorcoolantinventory.B.ENTRYCONDITIONS/SYMPTOMS1~ENTRYCONDITIONS-Thisprocedureisenteredfrom:E1gLOSSOFREACTORORSECONDARYCOOLANTfwhenRCSpressureisgreaterthantheshutoffheadpressureoftheRHRpumps.

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EOP'S-1'TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV:9PAGE3of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFRWSTLEVELDECREASESTOLESSTHAN28$,THENTHESISYSTEMSHOULDBEALIGNEDFORCOLDLEGRECIRCULATIONUSINGES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,STEP1.*****************************************NOTE:oFoldoutpageshouldbeopenandmonitoredperiodically.oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressurefsgreaterthan4psigorCNMTradiationisgreaterthan10+0~R/hr.1VerifyAllACBusses-ENERGIZEDBYOFFSITEPOWERoNormalfeedbreakerstoall480voltbusses-CLOSEDo480busvoltage-GREATERTHAN420VOLTSoEmergencyD/GoutputbreakersOPENPerformthefollowing:a.IFanyACemergencybusnormalfeedbreakeropen,THENensureassociatedD/Gbreakerclosed.b.Performthefollowing,asnecessary:1)Closenon-safeguardsbustiebreakers:~Bus13toBus14tie~Bus15toBus16tie2)PlacethefollowingpumpsinPULLSTOP'EHpumps~Turninggearoilpump~HPsealoilbackuppump3)RestorepowertoMCCs.~AfromBus13~BfromBus15~EfromBus15~FfromBus154)WHENbus15restored,THENresetcontrolroomlighting.5)RefertoAttachmentSI/UVforotherequipmentlostwithlossofoffsitepower.c.TrytorestoreoffsitepowertoallACbusses(RefertoER-ELEC.l,RESTORATIONOFOFFSITEPOWER).

'\4'.%k4\Q~+galht EOP:ES-1~2T!TLF.:POSTLOCACOOZDOWNANDDEPRESSURIZATIONREV:9PAGE4of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*******4'********************************CAUTIONRCSPRESSURESHOULDBEMONITORED.IFRCSPRESSUREDECREASESTOLESSTHAN250PSIG[465PSIGADVERSECNMT),THERHRPUMPSMUSTBEMANUALLYRESTARTEDTOSUPPLYWATERTOTHERCS.2CheckIfRHRPumpsShouldBeStopped:a.CheckRCSpressure:1)Pressure-GREATERTHAN250psig(465psigadverseCNMT]2)Pressure-STABLEORINCREASINGa.GotoStep3.b.StopRHRpumpsandplaceAUTO r.~a' EOP:ES-1'TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV:9PAGE5of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED3Establish75GPMChargingFlow:a.Chargingpumps-ANYRUNNINGa.Performthefollowing:1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCP¹1sealoutlettemperatureoffscalehigh,THENdispatchAOwithRWSTareakeytolocallyisolatesealinjectiontoaffectedRCP:~V-300AforRCPA~V-300BforRCPBtb.AlignchargingpumpsuctiontoRWST:oLCV-112B-OPENoLCV-112C-CLOSED2)EnsureHCV-142open,demandat0%.b.IFLCV-112BcanNOTbeopened,THENperformthefollowing:1)VerifychargingpumpANOTrunningandplaceinPULLSTOP..c.Startchargingpumpsasnecessary(75kweach)andestablish75gpmtotalchargingflow2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).~Charginglineflow~Sealinjectionflow 1~4E EOP:ES-1'TITLE:POSTLOCAC'OQLDQWNANDDEPRESSURIZATIONREV:9PAGE6of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED4EstablishCondenserSteamDumpPressureControl:a.Verifycondenseravailable:oAnyMSIV-OPENoAnnunciatorG-15,STEAMDUMPLITa.PlaceS/GARVcontrollersinAUTOatdesiredpressureandgotoStep5.b.AdjustcondensersteamdumpcontrollerHC-484todesiredpressureandverifyinAUTOc.PlacesteamdumpmodeselectorswitchtoMANUAL*****************************************CAUTIONIFCSTLEVELDECREASESTOLESSTHAN5FEET,THENALTERNATEWATERSOURCESFORAFWPUMPSWILLBENECESSARY(REFERTOER-AFW.1,ALTERNATEWATERSUPPLYTOAFWPUMPS).NOTE:TDAFWpumpflowcontrolvalvesfailopenonlossofIA.5CheckIntactS/GLevels:a.Narrowrangelevel-GREATERTHAN5%[25%adverseCNMT]b.Controlfeedflowtomaintainnarrowrangelevelbetween17%[25%adverseCNMT]and50%a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]inatleastoneS/G.b.IFnarrowrangelevelinanyS/Gcontinuestoincreaseinanuncontrolledmanner,THENgotoE-3,STEAMGENERATORTUBERUPTURE,Stepl.

plOemes EOP:ES-1.2POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV:9PAGE7of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:ShutdownmarginshouldbemonitoredduringRCScooldown(RefertoFigureSDM).6InitiateRCSCooldownToColdShutdown:a.EstablishandmaintaincooldownrateinRCScoldlegs-LESSTHAN100'F/HRb.UseRHRsystemifinservicec.DumpsteamtocondenserfromintactS/G(s)c.ManuallyorlocallydumpsteamusingintactS/GsARV.7CheckRCSSubcoolingBasedOnCoreExitT/Cs-GREATERTHANO'FUSINGFIGUREMINSUBCOOLINGManuallyoperateSIpumpsasnecessaryandgotoStep19.8CheckSIandRHRPumpStatus:oSIpumps-ANYRUNNING-OR-GotoStep15.oRHRpumps-ANYRUNNINGININJECTIONMODE9PlacePRZRHeaterSwitchesInTheFollowingPositions:oPRZRheatercontrolgroup-PULLSTOPoPRZRheaterbackupgroup-OFF c.tS~Ii0>)'t~+

EOP:ES-1'TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV'PAGE,8of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONVOIDINGMAYOCCURINTHERCSDURINGRCSDEPRESSURIZATION.THISWILLRESULTINARAPIDLYINCREASINGPRZRLEVEL.*******************6***********.IL'********NOTE:oWHENusingaPRZRPORV,THENselectonewithanoperableblockvalve.oIfauxiliarysprayisinuse,sprayflowmaybeincreasedbyclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.10DepressurizeRCSToRefillPRZRa.DepressurizeusingnormalPRZRsprayifavailablea.DepressurizeusingonePRZRPORV.IFIANOTavailable,THENrefertoAttachmentN2PORVS.b.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]IFnoPORVavailable,THENuseauxiliarysprayvalve(AOV-296).b.ContinuewithStep11.WHENlevelgreaterthan13%[40%adverseCNMT),THENstopRCSdepressurization.c.StopRCSdepressurization CA EOP:ES-1-2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV9PAGE9of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFRCPSEALCOOLINGHADPREVIOUSLYBEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATION.11CheckIfAnRCPShouldBeStarted:a.BothRCPs-STOPPEDb.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGa.StopallbutoneRCPandgotoStep12.b.GotoStep19.c.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]d.TrytostartanRCP1)EstablishconditionsforstartinganRCPoBusllAorllBenergizedoRefertoAttachmentRCPSTARTc.ReturntoStep10.d.IFIAtoCNMTavailable,THENensureatleastonecontrolrod.shroudfanrunning(45kweach).2)StartoneRCP

~A~~Ir EOP:ES-1-2TIZLE0POSTLOCP,COOLDOWNANDDEPRESSURIZATIONREV:9PAGE10of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED12CheckIfOneOfThreeSIPumpsShouldBeStopped:a.ThreeSIpumps-,RUNNINGb.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHAN-35'F[90'FadverseCNMT]USINGFIGUREMINSUBCOOLINGc.CheckPRZRlevel-GREATERTHAN13%[40%adverseCNMT]d.StoponeSIpumpa.GotoStep13.b.IFRCShotlegtemperaturesgreaterthan325'F[270'FadverseCNMT]ORIFRHRnormalcoolinginservice,THENgotoStep19.IFRHRnormalcoolingNOTinserviceANDRCShotlegtemperatureslessthan325'F[270'FadverseCNMT],THENensureatleastoneRHRpumprunningininjectionmodeandgotoStep12c.IFnoRHRpumpcanbeoperatedininjectionmode,THENgotoStep19.c.DoNOTstopSIpump.ReturntoStep10.

%'I~lVE EOP:ES-1.2TITLELOCACOOLDOWNANDDEPRESSURIZATIONREV:9PAGE11of23STEP,ACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED13CheckIfOneOfTwoSIPumpsShouldBeStopped:a.TwoSIpumps-RUNNINGb.DeterminerequiredRCSsubcoolingfromtable:a.GotoStep14.ChargingPumpAvailabilityNONEONETHREERCSSubcoolingCriteria120'F[200'FadverseCNMT]115'F[190'FadverseCNMT]105'F[180'FadverseCNMT]100'F[175'FadverseCNMT]c.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANVALUEFROMTABLEABOVEUSINGFIGUREMINSUBCOOLINGd.PRZRlevel-GREATERTHAN13%[40%adverseCNMT)e.StoponeSIpumpc.IFRCShotlegtemperaturesgreaterthan325'F[270'FadverseCNMT]ORIFRHRnormalcoolinginservice,THENgotoStep19.IFRHRnormalcoolingNOTinserviceANDRCShotlegtemperatureslessthan325'F[270'FadverseCNMT],THENensureatleastoneRHRpumprunningininjectionmodeandgotoStep13d.IFnoRHRpumpcanbeoperatedininjectionmode,THENgotoStep19.d.DoNOTstopSIpump.ReturntoStep10'

~~c~f'I0'tF' EOP:ES-1.2TITLE:LOCACPPLDOWNANDDEPRESSURIZATIONREV:9PAGE12of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED14CheckIfLastSIPumpShouldBeStopped:a.OneSIpump-RUNNINGb.DeterminerequiredRCSsubcoolingfromtable:a.IFanyRHRpumprunningininjectionmode,THENgotoStep19.IFNOT,THENgotoStep15.ChargingPumpAvailabilityNONEONETWOTHREERCSSubcoolingCriteriaInsufficientsubcoolingtostopSIpump.255'F[295'FadverseCNMT]235'F[285'FadverseCNMT]210'F[270'FadverseCNMT]c.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANVALUEFROMTABLEABOVEUSINGFIGUREMINSUBCOOLINGd.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]e.StoprunningSIpumpc.IFRCShotlegtemperaturesgreaterthan325'F[270'FadverseCNMT]ORIFRHRnormalcoolinginservice,THENgotoStep19.IFRHRnormalcoolingNOTinserviceANDRCShotlegtemperatureslessthan325'F[270'FadverseCNMT],THENensureatleastoneRHRpumprunningininjectionmodeandgotoStep14d.IFnoRHRpumpcanbeoperatedininjectionmode,THENgotoStep19.d.DoNOTstopSIpump.ReturntoStep10.

Q>>lI'l0I EOPES-1.2POSTLOCACOOLDONNANDDEPRESSURIZATIONREV:9PAGE13of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED15CheckIfChargingFlowShouldBeControlledToMaintainPRZRLevel:a.CheckRHRpumps-RUNNINGININJECTIONMODEb.GotoStep19a.'StartchargingpumpandcontrolchargingflowtomaintainPRZRlevelandgotoStep16.*****************************************CAUTIONIFRCPSEALCOOLINGHADPREVIOUSLYBEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATION.16CheckRCPStatus:a.RCPs-ATLEASTONERUNNINGa.Performthefollowing:1)EstablishconditionsforstartinganRCP:oVerifyBus11AorllBenergized.oRefertoAttachmentRCPSTART.2)StartoneRCP.IFanRCPcanNOTbestarted,THENverifynaturalcirculation(RefertoAttachmentNC).IFnaturalcirculationNOTverified,THENincreasedumpingsteam.b.StopallbutoneRCP 1plli>A41'st:

ES-1.2T!TLE:POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV'PAGE14of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONVOIDINGMAYOCCURINTHERCSDURINGRCSDEPRESSURIZATION.THISWILLRESULTINARAPIDLYINCREASINGPRZRLEVEL.NOTE:oWHENusingaPRZRPORV,THENselectonewithanoperableblockvalve.oIfauxiliarysprayisinuse,sprayflowmaybeincreasedbyclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.17DepressurizeRCSToMinimizeRCSSubcooling:a.DepressurizeusingnormalPRZRsprayifavailablea.IFnormalsprayNOTavailable,THENuseonePRZRPORV.IFIA,NOTavailable,THENrefertoAttachmentN2PORVS.b.EnergizePRZRheatersasnecessaryc.DepressurizeRCSuntilEITHERofthefollowingconditionssatisfied:IFnoPRZRPORVavailable,THENuseauxiliarysprayvalve(AOV-296).oRCSsubcoolingbasedoncoreexitT/Cs-LESSTHAN10'FUSINGFIGUREMINSUBCOOLING-OR-oPRZRlevel-GREATERTHAN75%f65%adverseCNMT]

PIpR" EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV9PAGE15of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED18VerifyAdequateShutdownMargina.DirectHPtosampleRCSforboronconcentrationb.Verifyboronconcentration-GREATERTHANREQUIREMENTSOFFIGURESDMb.Borateasnecessary.19VerifySIFlowNotRequired:a.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGa.ManuallyoperateSIpumpsas.necessaryandgotoStep20.b.PRZRlevel-GREATERTHAN5%[30%adverseCNMT)b.ManuallyoperateSIpumpsasnecessaryandreturntoStep10.

IE EOP:ES-1.2POST'LOCACOQLDOWNANDDEPRESSURIZATIONREV9PAGE16of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED20CheckIfSIACCUMsShouldBeIsolated:a.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGb.PRZRlevel-GREATERTHAN5%f308adverseCNMT)c.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischargevalves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cd.CloseSIACCUMdischargevalves~ACCUMA,MOV-841~ACCUMB,MOV-865a.IFbothRCShotlegtemperatureslessthan400'F,THENgotoStep20c.IFNOT,THENgotoStep21.b.ReturntoStep10.d.VentanyunisolatedACCUMs:1)OpenventvalvesforunisolatedSIACCUMs.e.LocallyreopenbreakersforMOV-841andMOV-865~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.

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EOP:ES-1.2T!TLE:POSTLOCACOOI,DOWNANDDEPRESSURIZATIONREV:9PAGE17of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED21CheckIfEmergencyD/GsShouldBeStopped:a.VerifyACemergencybussesenergizedbyoffsitepower:oEmergencyD/GoutputbreakersOPENa.Trytorestoreoffsitepower(RefertoER-ELEC.1,RESTORATIONOFOFFSITEPOWER).oACemergencybusvoltageGREATERTHAN420VOLTSoACemergencybusnormalfeedbreakers-CLOSEDb.StopanyunloadedemergencyD/Gandplaceinstandby(RefertoAttachmentD/GSTOP)22VerifyAdequateSWFlowToCCWHx:a.VerifyatleasttwoSWpumpsRUNNINGb.VerifyAUXBLDGSWisolationvalves-OPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735a.Manuallystartpumpsaspowersupplypermits(258kwperpump).IFlessthantwoSWpumpscanbeoperated,THENgotoStep23.b.EstablishSWtoAUXBLDG(Refer~toAttachmentAUXBLDGSW).c.VerifyCNMTRECIRCfanannunciatorC-2,HIGHTEMPERATUREALARM-EXTINGUISHEDcdDispatchAOtolocallythrottleflowtoCCWHxtobetween5000gpmand6000gpmtotalflow.

fge<>$$'4~gA/KW EOP:ES-1.2POSTLOCACPPLDPWNANDDEPRESSURIZATIONREV:9PAGE18of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED23CheckRCPCoolinga.CheckCCWtoRCPsEstablishnormalcoolingtoRCPs(RefertoAttachmentSEALCOOLING).oAnnunciatorA-7,RCP1ACCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHEDoAnnunciatorA-15,RCP1BCCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHEDb.CheckRCPsealinjectionoLabyrinthsealD/Ps-GREATERTHAN15INCHESWATER-OR-oRCPsealinjectionflowtoeachRCP-GREATERTHAN6GPM I

EOP:ES-1'TITLE:LOCACOOLDOWNANDDEPRESSURIZATIONREV:9PAGE19of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED24CheckIfSealReturnFlowShouldBeEstablished:a.VerifyinstrumentbusD-ENERGIZEDb.VerifyRCP¹1sealoutlettemperature-LESSTHAN235'Fc.VerifyRCPsealoutletvalvesOPEN~AOV-270A~,AOV-270Ba.RestorepowertoinstrumentbusDfromMCCBorMCCA(maintenancesupply).b.GotoStep25.c.Manuallyopenvalvesasnecessary.d.Resetbothtrainsof'XYrelaysforRCPsealreturnisolationvalveMOV-313e.OpenRCPsealreturnisolationvalveMOV-313f.VerifyRCP¹1sealleakoffflowLESSTHAN5.5GPMg.VerifyRCP¹1sealleakoffflowGREATERTHAN0.25GPMe.Performthefollowing:1)PlaceMOV-313switchtoOPEN.2)DispatchAOwithkeytoRWSTgatetolocallyopenMOV-313.f.IFanyRCPsealleakoffflowgreaterthan5.5gpm,THEN:oClosetheaffectedRCPsealdischargevalve~RCPA,AOV-270A~RCPB,AOV-270BoTriptheaffectedRCPIFbothRCPsealdischargevalvesareshut,THENgotoStep25.g.RefertoAP-RCP.1,RCPSEALMALFUNCTIONS

EOP:ES-1~2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV:9PAGE20of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTconditionsorlossofforcedaircoolingmayresultinfailureofNISdetectors.25CheckIfSourceRangeDetectorsShouldBeEnergized:a.SourcerangechannelsDEENERGIZEDa.GotoStep25e.b.Checkintermediaterangeflux-EITHERCHANNELLESSTHAN1010AMPSb..Performthefollowing:1)IFneitherintermediaterangechannelisdecreasing,THENinitiateboration.2)ContinuewithStep26.WHENfluxisLESSTHAN10ampsonanyoperablechannel,THENdoSteps25c,dande.c.Checkthefollowing:oBothintermediaterangechannels-LESSTHAN10AMPSc.ContinuewithStep26.WHENeitherconditionmet,THENdoSteps25dande.-OR-oGreaterthan20minutessincereactortripd.VerifysourcerangedetectorsENERGIZEDd.ManuallyenergizesourcerangedetectorsbydepressingP-6permissivedefeatpushbuttons(2of2).IFsourcerangescanNOTberestored,THENrefertoER-NIS.1,SRMALFUNCTIONandgotoStep25.e.TransferRk-45recordertoonesourcerangeandoneintermediaterangechannel 44~

EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATZONREV:9PAGE21of23STEPACTION/EXPECTEDRESPONSERESPONSENOT,OBTAINED26EstablishNormalShutdownAlignment:a.Checkcondenser-AVAILABLEa.DispatchAOtoperformAttachmentSD-2.b.Performthefollowing:oOpengeneratordisconnects~1G13A71~9X13A73oPlacevoltageregulatortoOFFoOpenturbinedrainvalvesoRotatereheatersteamsupplycontrollercamtoclosevalvesoPlacereheaterdumpvalveswitchestoHANDoStopallbutonecondensatepumpc.VerifyadequateRxheadcooling:1)CheckIAtoCNMT-AVAILABLE2)Verifyatleastonecontrolrodshroudfan-RUNNING1)GotoStep26d.2)Manuallystartonefanaspowersupplypermits(45kw)3)VerifyoneRxcompartmentcoolingfan-RUNNING3)Performthefollowing:oDispatchAOtoresetUVrelaysatMCCCandMCCD.PoManuallystartonefanaspowersupplypermits(23kw)d.VerifyAttachmentSD-1-COMPLETE

• '1,P4a EOP:ES-1'TITLE:POSTLOCACOOLDONNANDDEPRESSURIZATIONREV9PAGE22of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED27CheckIfRCPsMustBeStopped:a.RCPs-ANYRUNNINGb.Checkthefollowing:oRCP¹1sealD/P-LESSTHAN220PSIDa.GotoStep28.b.GotoStep28.-OR-oCheckRCPsealleakage-LESSTHAN0.25GPMc.StopaffectedRCP(s)28CheckCondenserSteamDumpAvailable-CONDENSERVACUUMGREATERTHAN20INCHESHGUseintactS/GARVforRCS'temperaturecontrol.29CheckIfRHRNormalCoolingCanBeEstablished:a.RCScoldlegtemperature-LESSTHAN350'Fa.ReturntoStep5~"b.RCSpressure-LESSTHAN400psig[300psigadverseCNMT]c.PlaceRCSoverpressureprotectionsysteminservice(Referto0-7,ALIGNMENTANDOPERATIONOFTHEREACTORVESSELOVERPRESSUREPROTECTIONSYSTEM)b.GotoStep30.d.ConsultTSCtodetermineifRHRnormalcoolingshouldbeestablishedusingAttachmentRHRCOOL

~t/,pi4P+*It' EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV:9PAGE23of23STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED30CheckCoreExitT/Cs-LESSTHAN200'FReturntoStep5~31EvaluateLongTermPlantStatus:Ia.Maintaincoldshutdownconditionsb.ConsultTSC-END-11 EOP:ES-1'POSTLOCACOOLPOWNANDDEPRESSURIZATIONREV:9PAGE1of1ES-1.2APPENDIXLISTTITLE1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING3)FIGURESDM4)ATTACHMENTSEALCOOLING5)ATTACHMENTRCPSTART6)ATTACHMENTNC7)ATTACHMENTD/GSTOP8)ATTACHMENTSD-19)ATTACHMENTSD-210)ATTACHMENTSI/UV11)ATTACHMENTN2PORVS12)ATTACHMENTRHRCOOL13)ATTACHMENTAUXBLDGSW14)FOLDOUTPAGES tx~

ES-1'POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV'PAGE1of1REDPATHSUMMARYa.SUBCRITICALITY-Nuclearpowergreaterthan54b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan434[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan5%[254adverseCNMT]ANDtotalfeedwaterflowlessthan200gpmd.INTEGRITY-Coldlegtemperaturesdecreasegreaterthan100'Finlast60minutesANDRCScoldlegtemperaturelessthan285'Fe.CONTAINMENT-CNMTpressuregreaterthan60psig Al4I EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV:9PAGE1of1FIGUREMINSUBCOOLINGNOTE:SubcoolingMargin=SaturationTemperatureFromFigureBelow[-]CoreExitT/CIndicationSPRESSURE(PSIG)RC2500240023002200210020001900180017001600150014001300120011001000900800700600500400300200100020RCSPRESSUREINCREHENTS20PSIGSUBCOOLEDREGIONINADEQUATESUBCOOLINGREGIONDVERSECNHTEHPERATUREINCREHENTS10'FNORHALCNHT0250300350400450500550600650700COREEXITSATURATIONTEHPERATURE('F)

~44y44I'4~1t'~44 EOP:ES-1'TITLE:.POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV9PAGE1of1BORONCONCENTRATION(PPH)1800FIGURESDM1600BORONINCREMENTS20PPH140012001000ADEQUATESDM100PPMCONSERVATISHINCLUDED80O600400BORATE200BURNUPINCREMENTS100MWD/HTU01000200030004000500060007000800090001000011000CYCLE22BURNUP(HWD/HTU)1NOTE:Toobtaincoreburnup,usePPCSturnoncodeBURNUP.

fII'e1~~i EOP:ES-1~2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATIONREV:9PAGE1of1FOLDOUTPAGESIREINITIATIONCRITERIAIFElTHERconditionlistedbelowoccurs,THENmanuallyoperateSIpumpsasnecessary:oRCSsubcoolingbasedoncoreexitT/Cs-LESSTHANO'FUSINGFIGUREMINSUBCOOLINGOR-oPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN54[30%adverseCNMT]2.SITERMINATIONCRITERIAIFALLconditionslistedbelowoccur,THENgotoES-1.1,SITERMINATION,Step1:a.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'FUSINGFIGUREMINSUBCOOLINGb.TotalfeedflowtointactS/Gs-GREATERTHAN200GPMORNarrowrangelevelinatleastoneintactS/G-GREATERTHAN54[254adverseCNMT]c.RCSpressure:oGREATERTHAN1625PSIG[1825psigadverseCNMT]oSTABLEORINCREASINGd.PRZRlevel-GREATERTHAN5%[30~adverseCNMT]3.SECONDARYINTEGRITYCRITERIAIFanyS/GpressureisdecreasinginanuncontrolledmanneroriscompletelydepressurizedANDhasnotbeenisolated,THENgotoE-2,FAULTEDS/GISOLATION,Step1.4.COLDLEGRECIRCULATIONSWITCHOVERCRITERIONIFRWSTleveldecreasestolessthan284,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Stepl.5.AFWSUPPLYSWITCHOVERCRITERIONIFCSTleveldecreasestolessthan5feet,THENswitchtoalternateAFWwatersupply(RefertoER-AFW.1,ALTERNATEWATERSUPPLYTOAFWPUMPS).6.E-3TRANSITIONCRITERIAIFanyS/Glevelincreasesinanuncontrolledmanner,oranyS/Ghasabnormalradiation,THENgotoE-3,STEAMGENERATORTUBERUPTURE,Step1.