ML17262A885

Rev 7 to EOP ECA-1.1, Loss of Emergency Coolant Recirculation.

ML17262A885
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
ECA-1.1, NUDOCS 9206160385
Download: ML17262A885 (132)

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EOP:ECA-1.1T1TLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE1of27ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEWPORCREVIEWDATEPLANTSUPERINTENDENTEFFCTIEDATECATEGORY1.0REVIEWEDBY:V9206160385920605PDRADOCK05000244PDR Cgv EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE2of27PURPOSE-Thisprocedureprovidesactionstorestoreemergencycoolantrecirculationcapability,todelaydepletionoftheRHsTbyaddingmakeupandreducingoutflow,andtodepressurizetheRCStominimizebreakflow.B.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.E-1,LOSSOFREACTORORSECONDARYCOOLANT/whencoldlegrecirculationcapabilitycannotbeverified.b~ES1~3gTRANSFERTOCOLDLEGRECIRCULATION/whenrecirculationcannotbeestablishedormaintained.c~ECA12gLOCAOUTSIDECONTAINMENTgwhenaLOCAoutsidecontainmentcannotbeisolated.

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EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV7PAGE3of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED***************************'**************CAUTIONoIFEMERGENCYCOOLANTRECIRCULATIONCAPABILITYISRESTOREDDURINGTHISPROCEDURE,FURTHERRECOVERYACTIONSSHOULDCONTINUEBYRETURNINGTOPROCEDUREANDSTEPINEFFECT.oIFSUCTIONSOURCEISLOSTTOANYSIORCNMTSPRAYPUMP,THEPUMPSHOULDBESTOPPED.*******************g*********************NOTE:AdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiationisgreaterthan10+"R/hr.1CheckIfEmergencyCoolantRecirculationEquipmentAvailable:oRHRpumps-OPERABLEoRHRsuctionvalvesfromsumpBOPERABLEManuallyorlocallytrytorestoreatleastonetrain(RefertoAttachmentRHRSYSTEMtoidentifyminimumcomponentsforonetrain).~MOV-850A~MOV-850BoRHRpumpdischargetoRxvesseldelugevalves-OPERABLE~MOV-852A~MOV-852BoCCWtoRHRHx-OPERABLE~MOV-738A~MOV-738B e1 EOP:ECA-1.1LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV!7PAGE4of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED2AddMakeupToRWSTAsNecessaryoRefertoS-9J,BLENDINGTORWST-OR-oRefertoS-3.2D,TRANSFERRINGWATERFROMCVCSHUT(S)TORWSTORSFP-OR-oRefertoAttachmentSFP-RWST 4~'tIg~

EOP:ECA-1.1TITLE:.LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE5of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:ShutdownmarginshouldbemonitoredduringRCScooldown(RefertoFigureSDM)~3InitiateRCSCooldownToColdShutdown:a.EstablishandmaintaincooldownrateinRCScoldlegs-LESS'THAN100'F/HRb.DumpsteamtocondenserfromintactS/G(s)b.ManuallyorlocallydumpsteamfromintactS/G(s):oUseS/GARVs-OR-oOpenTDAFWpumpsteamsupplyvalves.-OR-oDispatchAOtoperformthefollowing:1)OpenS/GMSIVbypassvalves.2)Open1Aand1Bprimingairejectorisolationvalves.~V-3580~V-3581IFnointactS/Gavailable,THENusefaultedS/G.

Ql~P%Il~i4OO+t EOP:ECA-F1TlTLELOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE6of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED4VerifyCNMTRECIRCFansRunning:a.Allfans-RUNNINGb.Charcoalfilterdampersgreenstatuslights-EXTINGUISHEDa.Manuallystartfans.b.Dispatchpersonnelwithrelayrackkeytolocallyopendampersusingtriprelaypushbuttonsinrelayroomracks.~AUXRELAYRACKRA-2forfanA~AUXRELAYRACKRA-3forfanC5CheckRWSTLevel-GREATERTHAN15%GotoStep25.

~e EOP:ECA-1.1TlTLELOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE7of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED6DetermineCNMTSprayRequirements:a.DeterminenumberofCNMTspraypumpsrequiredfromtable:RWSTLEVELCNMTPRESSUREGREATERTHAN60PSIGCNMTRECIRCFANSRUNNINGCNMTSPRAYPUMPSREQUIREDGREATERTHAN28%BETWEEN28PSIGAND60PSIG0OR12OR3ALLLESSTHAN28PSIGBETWEEN15@AND28'REATERTHAN60PSIGBETWEEN28PSIGAND60PSIGLESSTHAN28PSIG0,1,2>OR3ALLLESSTHAN15'.CNMTspraypumpsrunning-EQUALTOMINIMUMNUMBERREQUIREDb.ManuallyoperateCNMTspraypumpsasnecessary.IFCNMTspraypump(s)mustbestopped,THENplaceswitchinPULLSTOP.

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EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE8of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFOFFSITEPOWERISLOSTAFTERSIRESET,SELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCYD/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDSEQUIPMENT.7ResetSIIfNecessary8EstablishOneTrainOfSIFlowa.SIpumps-LESSTHANTHREERUNNINGa.StoponeSIpumpsb.RCSpressure-LESSTHAN250psig[465psigadverseCNMT]c.RHRpump-ONLYONERUNNINGb.StopRHRpumpsandgotoStep,9.c.IFtwoRHRpumpsrunning,THENstoponeRHRpump.IFnoRHRpumpsrunning,THENstartoneRHRpump.9VerifyNoBackflowFromRWSTToSump:a.AnyRHRsuctionvalvefromsumpB-OPEN~MOV-850A~MOV-850Ba.IFbothRHRsuctionvalvesfromsumpBclosed,THENgotoStep10.b.RWSToutletvalvetoRHRpumpsuction(MOV-856)-CLOSEDb.Manuallyclosevalve.IFvalvecanNOTbeclosedmanually,THENdirectAOtolocallyclosevalve.

EOP:ECA-1'LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV7PAGE9of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED10ResetCI:a.DepressCIresetpushbuttonb.VerifyannunciatorA-26,CNMTISOLATION-EXTINGUISHEDb,Performthefollowing:1)ResetSI.2)DepressCIresetpushbutton.11VerifyAdequateSWFlow:a.CheckatleasttwoSWpumpsRUNNINGa.ManuallystartSWpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpsrunning,THENperformthefollowing:1)EnsureSWisolation.2)DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1)b.DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1)3)GotoStep14.

'~~NP EOP:ECA-1.1TITLE:,LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE10of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED12EstablishIAtoCNMT:a.Verifynon-safeguardsbussesenergizedfromoffsitepoweroBus13normalfeed-CLOSED-OR-oBus15normalfeed-CLOSEDb.VerifySWisolationvalvestoturbinebuilding-OPEN~MOV-4613andMOV-4670~MOV-4614andMOV-4664c.Verifyatleasttwoaircompressors-RUNNINGd.CheckIAsupply:oPressure-GREATERTHAN60PSIGoPressure-STABLEORINCREASINGe.ResetbothtrainsofXYrelaysforIAtoCNMTAOV-5392f.VerifyIAtoCNMTAOV-5392-OPENa.Performthefollowing:1)Closenon-safeguardsbustiebreakers:~Bus13toBus14tie~Bus15toBus16tie2)VerifyadequateemergencyD/Gcapacitytorun'aircompressors(75kweach).IFNOT,THENevaluateifCNMTRECIRCfansshouldbestopped(RefertoAttachmentCNMTRECIRCFANS).3)WHENbus15restored,THENresetcontrolroomlighting.b.Manuallyalignvalves.c.Manuallystartaircompressorsaspowersupplypermits(75kweach).IFaircompressorscanNOTbestarted,THENdispatchAOtolocallyresetcompressorsasnecessary.d.Performthefollowing:1)ContinueattemptstorestoreIA(RefertoAP-IA.l,LOSSOFINSTRUMENTAIR).2)ContinuewithStep14.WHENIArestored,THENdoSteps12eandf.

weke EOP:ECA-1.1LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE11of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED13EstablishRequiredChargingLineFlow:a.Chargingpumps-ANYRUNNINGa.Performthefollowing:1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCP¹1sealoutlettemperatureoffscalehigh,THENdispatchAOwithRWSTareakeytolocallyclosesealinjectionneedlevalvestoaffectedRCP:b.Establish20gpmtotalchargingflow~RCPA,V-300A~RCPB,V-300B2)EnsureHCV-142demandat0%.3)Startonechargingpumps

~1~MWC EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV7PAGE12of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFSEALCOOLINGHADPREVIOUSLYBEENLOST,THEAFFECTEDRCP(S)SHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATION.14CheckRCPStatus:a.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGa.StopallRCPsandgotoStep15.b,RCPs-ATLEASTONERUNNINGb.TrytostartanRCP:1)EstablishconditionsforstartinganRCPoBusllAor11BenergizedoRefertoAttachmentRCPSTARTc.StopallbutoneRCP2)StartoneRCP.

<~,ch EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE13of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED15CheckIfSICanBeTerminated:a.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHAN50'FUSINGFIGUREMINSUBCOOLINGb.CheckRVLISindication:oLevel(noRCPs)-GREATERTHAN68%[73%adverseCNMT]-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%LimitRCSinjectionflowtothatrequiredtoremovedecayheat:oDeterminerequiredinjectionflowusingFigureMINRCSINJECTIONoStopSIpumpsasnecessarytoestablishandmaintainminimumrequiredSIflow.oIFrequiredinjectionflowislessthan100gpm,THENestablishrequiredchargingflowandgotoStep16.IFrequiredinjectionflowisgreaterthan100gpm,THENperformthefollowing:a.EnsureoneSIpumprunningb.EstablishminimumchargingflowforRCPsealinjection.c.ConsultTSCtodetermineifSIpumpdischargevalvesshouldbelocallythrottled.(Lockedvalvekeyrequired.)d.Go'oStep18.16StopSIAndRHRPumpsAndPlaceInAuto

,l~r EOP:ECA-1.1T!TLE:LOSSOFEMERGENCYCOOLANTRECIRCULAT1ONREV:7PAGE14of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED17VerifySIPumpSuctionAlignedToRHST:a.SIpumpsuctionvalvesfromBASTs-CLOSED~MOV-826A~MOV-826B~MOV-826C~MOV-826Db.SIpumpsuctionvalvesfromRWSTOPEN~MOV-825A~MOV-825Ba.Ensureatleastonevalveineachflowpathclosed.~MOV-826AorMOV-826B~MOV-826CorMOV-826Db.Ensureatleastonevalveisopen.c.ConsultTSCtodetermineifSIflushisrequired(RefertoAttachmentSIFLUSH)18VerifyAdequateRCSMakeupFlow:a.CheckRVLISindication:oLevel(noRCPs)-GREATERTHAN68%[73%adverseCNMT]a.IncreaseRCSinjectionflowtomaintainRVLISindicationasnecessary.-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%b.CoreexitT/Cs-STABLEORDECREASINGb.IncreaseRCSinjectionflowtomaintaincoreexitT/Csstableordecreasing.

Il\rtP~'*~%I EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV7PAGE15of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED19DepressurizeRCSToDecreaseRCSSubcooling:a.CheckRCSsubcoolingbasedoncoreexitT/Cs-GREATERTHAN20'FUSINGFIGUREMINSUBCOOLINGb.Usenormal.PRZRspraya.GotoStep20.b.IFnormalsprayNOTavailable,THENuseonePRZRPORV.IFIANOTavailable,THENrefertoAttachmentN2PORVS.c.DepressurizeRCSuntileitherofthefollowingconditionssatisfied:IFnoPRZRPORVavailable,THENuseauxiliarysprayvalve(AOV-296).oRCSsubcoolingbasedoncoreexitT/Cs-LESSTHAN10'FUSINGFIGUREMINSUBCOOLING-OR-oPRZRlevel-GREATERTHAN87%[75%adverseCNMT)d.StopRCSdepressurization

EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE16of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED20CheckIfRHRNormalCoolingCanBeEstablished:a.RCScoldlegtemperature-LESSTHAN350'Fa.GotoStep21.b,RCSpressure-LESSTHAN400psig[300psigadverseCNMT]c.PlaceletdownpressurecontrollerinMANUALCLOSEDb.GotoStep21.d.Checkfollowingvalves-OPEN~AOV-371,letdownisolationvalve~AOV-427,loopBcoldlegtoREGENHx~Atleastoneletdownorificevalve(AOV-200A,AOV-200B,orAOV-202)d.Performthefollowing:1)ResetbothtrainsofXYrelaysforAOV-371andAOV-427')OpenAOV-371andAOV-427.3)Openoneletdownorificevalve.e.VerifypressureonPI-135-LESSTHAN400PSIGe.GotoStep21.f.PlaceRCSoverpressureprotectionsysteminservice(Referto0-7,ALIGNMENTANDOPERATIONOFTHEREACTORVESSELOVERPRESSUREPROTECTIONSYSTEM)g.ConsultTSCtodetermineifRHRnormalcoolingshouldbeestablishedusingAttachmentRHRCOOL

,4Seau EOP:ECA-1.1T11LE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE17of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED21CheckIfSIACCUMsShouldBeIsolated:a.BothRCShotlegtemperaturesLESSTHAN400'Fb.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischargevalves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMdischargevalves~MOV-841~MOV-865a.ContinuewithStep22.WHENbothRCShotlegtemperatureslessthan400'F,THENdoSteps21b,candd.c.VentanyunisolatedACCUMs:1)OpenventvalvesforunisolatedSIACCUMs.~ACCUMA,AOV-834A~ACCUMB,AOV-834Bd.LocallyreopenbreakersforMOV-841andMOV-8652)OpenHCV-945.22CheckIfRCPsMustBeStopped:a.RCPs-ANYRUNNINGb.Checkthefollowing:oRCP¹1sealD/P-LESSTHAN220PSIDa.GotoStep23.b.GotoStep23.-OR-oCheckRCPsealleakage-LESSTHAN0.25GPMc.StopaffectedRCP(s)

II'Itg'hkt4 EOP:ECA-l.lTITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREVS7PAGE18of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED23CheckCoreExitT/Cs-GREATERTHAN200'FGotoStep38.24CheckRWSTLevel-LESSTHAN154ReturntoStep1~25MinimizeRWSTOutflow:a.AnySIpump(s)-RUNNINGa.IFchargingpumpsuctionalignedtoRWST,THENperformthefollowing:1)VerifySIpumpsuctionalignedtoRWST,MOV-825AorMOV-825Bopen.2)StartoneSIpumpandverifyflow.b.StopallbutoneSIpumpc.CheckchargingpumpsuctionfromRWST(AOV-112B)-OPEN3)Stoprunningchargingpumps.4)GotoStep25e.c.GotoStep25e.d.Stopallchargingpumpse.StopbothCNMTspraypumpsf.StopbothRHRpumps26CheckSIpumpflow-STABLEIFSIflowzeroorerratic,THENstoprunningSIpump.

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EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE19of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONBASTDILUTIONMAYHAVEOCCURREDDURINGSIPUMPSUCTIONSWAPOVERFROMBASTSTORWST.IFDILUTIONISSUSPECTED,BASTSSHOULDBESAMPLED.27TryToAddMakeupToRCSFromVCT:a.CheckVCTlevel-GREATERTHAN5%a.StopchargingpumpstakingsuctionfromVCTandcontinuewithStep28.WHENVCTlevelgreaterthan5%,THENdoSteps27bandc.b.VerifychargingpumpsalignedtoVCToLCV-112C-OPENoLCV-112B-CLOSEDb.Manuallyalignvalvesasnecessary.c.Startchargingpumpsasnecessarytoestablishtwopumpsrunning 4Q"ml EOP:ECA-1.1TITLE:,LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE20of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED28EstablishMaximumVCTMakeup:a.CheckRMWcontrolarmed-REDLIGHTLITa.PlaceRMWmodeswitchinAUTOandplaceRMWcontrolswitchtoSTART.b.CheckVCTlevel-LESSTHAN20%c.CheckVCTmakeupsystem-OPERATINGINAUTOb.ContinuewithStep29.WHENVCTlevellessthan20%,THENdoSteps28c,dande.c.Performthefollowing:1)Openmakeupsystemvalves.~AOV-110B~AOV-110C~AOV-illd.IncreaseVCTmakeupflow1)StartbothRMWpumps2)Startbothboricacidpumps3)AdjustRMWcontroller(HC-111)inMANUALto80gpm4)Adjustboricacidflowcontroller(HC-110A)inMANUALto9gpme.AdjustchargingpumpspeedtostabilizeVCTlevel2)StartBAtransferpumpsandRMWpumps.3)Openboricacidflowcontrolvalve(AOV-110A).

• 5' EOP:ECA-1.1LOSSOFEMERGENCY,COOLANTRECIRCULATIONREV:7PAGE21of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED29TryToAddMakeupToRCSFromAlternateSource:a.EvaluateUseOfRCDTPumps(RefertoER-RHR.1,RCDTPUMPOPERATIONFORCORECOOLING)b.ConsultTSCtodetermineothermeansofmakeup30VerifySIACCUMIsolationValves-OPEN~MOV-841~MOV-865IFvalveswereclosedtopreventSIACCUMnitrogeninjection,THENgotoStep34.IFNOT,THENperformthefollowing:a.DispatchAOtolocallyclosebreakersforSIACCUMdischargevalves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cb.OpenSIACCUMdischargevalves.

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EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE22of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED31DepressurizeAllIntactS/GsTo785PSIG:a.CheckS/Gpressures-GREATERTHAN785PSIGa.GotoStep32.b.Dumpsteamtocondenseratmaximumrateb.ManuallyorlocallydumpsteamatmaximumratefromintactS/G(s):oUseS/GARVs-OR-oOpensteamsupplyvalvestoTDAFWpump-OR-oDispatchAOtoperformthefollowing:1)OpenS/GMSIVbypassvalves,2)Openprimingairejectorsteamisolationvalves~V-3580~V-3581c.CheckS/Gpressures-LESSTHAN785PSIGc.ReturntoStep31b.d.StopS/Gdepressurization

EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE23of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:TheintentofStep32istodepressurizeS/Gsmoreslowly,butataratethatwillmaintainrequiredRVLISlevel.32DepressurizeIntactS/GsTo200PSIGSlowlyToInjectSIACCUMs:a.DumpsteamtocondenserasnecessarytomaintainappropriateRVLISindication:oLevel(noRCPs)-BETWEEN68%AND73%[73%AND76%adverseCNMT]-OR-oFluidfraction(anyRCPrunning)-BETWEEN80%AND90%a.ManuallyorlocallydumpsteamfromintactS/G(s)tomaintainappropriateRVLISindication:oUseS/GARVs-OR-oOpensteamsupplyvalvestoTDAFWpump-OR-oDispatchAOtoperformthefollowing:l)OpenaffectedS/GMSIVbypassvalve.2)Openprimingairejectorsteamisolationvalves~V-3580~V-3581b.CheckS/Gpressures-LESSTHAN200PSIGb.ReturntoStep32a.cdStopS/Gdepressurization

EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE24of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED33CheckIfSIACCUMsShouldBeIsolated:a.BothRCShotlegtemperaturesLESSTHAN400'Fa.ContinuewithStep34.WHENbothRCShotlegtemperatureslessthan400'F,THENdoSteps33b,candd.b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischargevalves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12CIc.CloseSIACCUMdischargevalves~MOV-841~MOV-865c.VentanyunisolatedACCUMs:1)OpenventvalvesforunisolatedSIACCUMs.~ACCUMA,AOV-834A~ACCUMB,AOV-834Bd.LocallyreopenbreakersforMOV-841andMOV-8652)OpenHCV-945.34CheckIfRCPsMustBeStopped:a.RCPs-ANYRUNNINGb.Checkthefollowing:oRCP¹1sealD/P-LESSTHAN220PSIDa.GotoStep36.b.GotoStep36'OR-oCheckRCPsealleakage-LESSTHAN0.25GPMc.StopaffectedRCP(s)

'I'A0 EOP:ECA-1.1TITLE:.LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE25of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED35CheckSIPumpFlow-STABLEIFSIflowzeroorerratic,THENstoprunningSIpump.36DepressurizeAllIntactS/Gs.ToAtmosphericPressure:a.MaintaincooldownrateinRCS'coldlegs-LESSTHAN100'F/HRb.Dumpsteamtocondenserb.ManuallyorlocallydumpsteamfromintactS/G(s):oUseS/GARVs-OR-oOpensteamsupplyvalvestoTDAFWpump-OR-oDispatchAOtoperformthefollowing:1)'penS/GMSIVbypassvalves.2)Openprimingairejectorsteamisolationvalves~V-3580~V-3581

\JItt EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE26of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED37CheckIfRHRNormalCoolingCanBeEstablished:a.RCScoldlegtemperature-LESSTHAN350'Fa.ReturntoStep35.b.RCSpressure-LESSTHAN400psig[300psigadverseCNMT]c.PlaceletdownpressurecontrollerinMANUALCLOSEDb.ReturntoStep35.d.Checkfollowingvalves-OPEN~AOV-371,letdownisolationvalve~AOV-427,loopBcoldlegtoREGENHx~Atleastoneletdownorificevalve(AOV-200A,AOV-200B,orAOV-202)d.Performthefollowing:1)ResetbothtrainsofXYrelaysforAOV-371andAOV-427.2)OpenAOV-371andAOV-427.3)Openoneletdownorificevalve.e.VerifypressureonPI-135-LESSTHAN400PSIGe.ReturntoStep36.f.PlaceRCSoverpressureprotectionsysteminservice(Referto0-7,ALIGNMENTANDOPERATIONOFTHEREACTORVESSELOVERPRESSUREPROTECTIONSYSTEM)g.ConsultTSCtodetermineifRHRnormalcoolingshouldbeestablishedusingAttachmentRHRCOOL

• +~tJf4l EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV'PAGE27of27STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED38MaintainRCSHeatRemoval:a.UseRHRsystemifinserviceb.DumpsteamtocondenserfromintactS/Gsb.ManuallyorlocallydumpsteamfromintactS/G(s):oUseS/GARVs-OR-oOpensteamsupplyvalvestoTDAFWpump-OR-oDispatchAOtoperformthefollowing:1)OpenS/GMSIVbypassvalves.2)Openprimingairejectorsteamisolationvalves~V-3580~V-3581IFnointactS/GavailableandRHRsystemNOTinservice,THENusefaultedS/G.39ConsultTSC-END-gl,J EOP:ECA-1.1,TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:'7PAGE1of1ECA-1-1APPENDIXLISTTITLEPAGES1)FIGUREMINSUBCOOLING2)FIGURESDM3)FIGUREMINRCSINJECTION4)ATTACHMENTRHRCOOL5)ATTACHMENTSFP-ESTI')ATTACHMENTRCPSTART7)ATTACHMENTSD-18)ATTACHMENTCNMTRECIRCFANS9)ATTACHMENTRHRSYSTEM10)ATTACHMENTN2PORVS11)ATTACHMENTSIFLUSH

~4lare%Kf'1Wllaarw EOP:ECA-1.1T1TLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE1of1FIGUREMINSUBCOOLINGNOTE:SubcoolingMargin=SaturationTemperatureFromFigureBelow[-]CoreExitT/CIndicationSPRESSURE(PSIG)RC2500240023002200210020001900180017001600150014001300120011001000900800700600500400300200100020RCSPRESSUREINCREMENTS20PSIGSUBCOOLEDREGIONINADEQUATESUBCOOLINGREGIONDVERSECNMTEMPERATUREINCREMENTS10'FNORMALCNMT0250300350400450500550600650700COREEXITSATURATIONTEMPERATURE('F)

,~rI~r~rr~JLt EOP:ECA-1.1T1TLF.:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE1of1BORONCONCENTRATION(PPH)1800FIGURESDM1600BORONINCREMENTS20PPH140012001000ADEQUATESDM100PPMCONSERVATISHINCLUDED800600400BORTE200BURNUPINCREMENTS100HWD/HTU01000200030004000500060007000800090001000011000CYCLE22BURNUP(HWD/HTU)NOTE:Toobtaincoreburnup,usePPCSturnoncodeBURNUP.

I EOP:ECA-1.1TITLE:LOSSOFEMERGENCYCOOLANTRECIRCULATIONREV:7PAGE1of1FIGUREMINRCSINJECTIONRE(URIEDINJECTIONFLOWRATE(GPH)35030025020015010050INADE(UATEINJECTIONFLOW101001000TINEFROMREACTORTRIP(MINUTES)10000

EOPECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV'PAGE1of31ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEWPORCREVIEWDATETSUPERINTENENq/EECTVEDATECATEGORY1.0REVIEWEDBY:

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EOP:ECA-F1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE2of31A.B.PURPOSE-Thisprocedureprovidesactionstomitigateandminimizealossofsecondarycoolantfrombothsteamgenerators.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.E-2,FAULTEDSTEAMGENERATORISOLATION,whenanuncontrolleddepressurizationofbothsteamgeneratorsoccurs.

'P(lg),'IPIVg EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE3of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*************0'**************************CAUTIONoIPANYS/GPRESSUREINCREASESATANYTIMEDURINGTHISPROCEDURE,THENE-2,FAULTEDSTEAMGENERATORISOLATION,SHOULDBEPERPORMED.oWHENBASTLEVELDECREASESTO10%,THENSIPUMPAUTOMATICSWITCHOVERTORWSTSHOULDBEENSURED.oIPTHETDAFWPUMPISTHEONLYAVAILABLESOURCEOFFEEDPLOW,THENSTEAMSUPPLYTOTHETDAFWPUMPMUSTBEMAINTAINEDFROMONES/G.NOTE:oFOLDOUTpageshouldbeopenANDmonitoredperiodically.oConditionsshouldbeevaluatedforSiteContingencyReporting(RefertoEPIP1-0,GINNASTATIONEVENTEVALUATIONANDCLASSIFICATION).oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiationisgreaterthan10~R/hr.1CheckSecondaryPressureBoundary:oMSIVs-CLOSEDoMFWflowcontrolvalves-CLOSED~MPWregulatingvalves~MPWbypassvalvesoMFWpumpdischargevalves-CLOSEDoS/GblowdownandsamplevalvesCLOSEDoTDAFWpumpsteamsupplyvalvesPULLSTOPoTDAFWpumpflowcontrolvalvesCLOSEDoS/GARVs-CLOSEDoDispatchAOtolocallyisolateS/Gs(RefertoAttachmentFAULTEDS/G)Manuallyclosevalvesoneloopatatime.,IPvalvescanNOTbeclosed,THENdispatchAOto~ocallyisolateflowpaths,asnecessary,oneloopatatime.

P~'FprIIprt EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV*6PAGE4of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONAMINIMUMFEEDPLOWOF50GPMMUSTBEMAINTAINEDTOEACHS/GVITHANARROVRANGELEVELLESSTHAN5%[25%ADVERSECNMT].2ControlFeedFlowToMinimizeRCSCooldown:a.CheckcooldownrateinRCScoldlegs-LESSTHAN100'P/HRb.ChecknarrowrangelevelinbothS/Gs-LESSTHAN50%a.Decreasefeedflowto50gpmtoeachS/GandgotoStep2c.b.Controlfeedflowtomaintainnarrowrangelevellessthan50%inbothS/Gs.c.CheckRCShotlegtemperatures-STABLEORDECREASINGc.ControlfeedflowordumpsteamtostabilizeRCShotlegtemperatures.3CheckIfRCPsShouldBeStopped:a.RCPstatus-ANYRCPRUNNINGb.SIpumps-ATLEASTTWORUNNINGc.RCSpressureminusmaximumS/Gpressure-LESSTHAN175psig[400psigadverseCNMT]d.StopbothRCPsa.GotoStep4.b.GotoStep4.c.GotoStep4.4CheckCSTLevel-GREATERTHAN5FEETSwitchtoalternateAPWsuctionsupply(RefertoER-AFV.1,ALTERNATEVATERSUPPLYTOAFWPUMPS).

~Vi9~l EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE5of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFANYPRZR'ORVOPENSBECAUSEOFHIGHPRZRPRESSURE,ITSHOULDBECLOSEDAFTERPRESSUREDECREASESTOLESSTHAN2335PSIG(REFERTOSTEP5B).5CheckPRZRPORVsAndBlockValves:a.PowertoPORVblockvalves-AVAILABLEb.PORVs-CLOSEDc.Blockvalves-ATLEASTONEOPENa.RestorepowertoblockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cb.IFPRZRpressurelessthan2335psig,THENmanuallyclosePORVs.IFanyPORVcanNOTbeclosed,THENmanuallycloseitsblockvalve.IFblockvalvecanNOTbeclosed,THENdispatchAOtolocallycheckbreaker.~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cc.OpenoneblockvalveunlessitwasclosedtoisolateanopenPORV.

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EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOF-BOTHSTEAMGENERATORSREV:6PAGE6of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED6CheckSecondaryRadiationLevels-NORMALoSteamlineradiationmonitor(R-31andR-32)oDispatchAOtolocallychecksteamlineradiationGotoE-3,STEAMGENERATORTUBERUPTURE,Stepl.oRequestHPsampleS/Gsforactivity*********************'********************CAUTIONoRCSPRESSSHOULDBEMONITORED.IRRCSPRESSDECREASESTOLESSTHAN~~250PSIG[465PSIGADVERSECNMT],THERHRPUMPSMUSTBEMANUALLYRESTARTEDTOSUPPLYWATERTOTHERCS.oIRORRSITEPOVERISLOSTARTERSIRESET,SELECTEDSVPUMPSANDONECCWPUMPVILLAUTOSTARTONEMERGENCYD/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAREGUARDSEQUIPMENT.*****************************************7ResetSI8CheckIfRHRPumpsShouldBeStopped:a.CheckRCSPressure:1)Pressure-GREATERTHAN250psig[465psigadverseCNMT]2)Pressure-STABLEORINCREASING1)GotoE-l,LOSSORREACTORORSECONDARYCOOLANT,Step1.2)GotoStep,9.b.StopRHRpumpsandplaceinAUTO I'(<t+rA,yrI5 EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE7of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED9CheckIfCNMTSprayShouldBeShopped:a.CNMTspraypumps-RUNNINGb.VerifyCNMTpressure-LESSTHAN4PSIGc.ResetCNMTsprayd.CheckNaOHtankoutletvalves-CLOSED~AOV-836A~AOV-836Ba.GotoStep10.b.ContinuewithStep10.@HENCNMTpressurelessthan4psig,THENdoSteps9cthroughf.d.PlaceNaOHtankoutletvalvecontrollerstoMANUALandclosevalves.~AOV-836A~AOV-836Be.StopCNMTspraypumpsandplaceinAUTOf.CloseCNMTspraypumpdischargevalves~MOV-860A~MOV-860B~MOV-860C~MOV-860D10CheckRWSTLevel-GREATERTHAN28~aGotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Step1.

Hl+I'jPgA EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE8of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDllCheckIfSIACCUMsShouldBeIsolated:a.BothRCShotlegtemperatures-LESSTHAN400'Pa.GotoStep12.b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischargevalves~MOV-841,MCCCposition12P+.MOV-865,MCCDposition12Cc.CloseSIACCUMdischargevalves~MOV-841~MOV-865d.LocallyreopenbreakersforMOV-841andMOV-865c.VentanyunisolatedACCUMs:1)OpenventvalvesforunisolatedSIACCUMs,~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.12ResetCI:a.DepressCIresetpushbuttonb.VerifyannunciatorA-26,CNMTISOLATION-EXTINGUISHEDb.Performthefollowing:1)ResetSI.2)DepressCIresetpushbutton.

~Ih EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE9of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED13VerifyAdequateSWFlow:a.CheckatleasttwoSWpumps-RUNNINGb.DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1)a.ManuallystartSWpumpsaspowersupplypermits(258kweach).IPlessthantwoSWpumpsrunning,THENperformthefollowing:1)EnsureSWisolation.2)DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1)3)GotoStep15.

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONADFBOTHSTEAMGENERATORSREV:6PAGE10of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED14EstablishIAtoCNMT:a.Verifynon-safeguardsbussesenergizedfromoffsitepoweroBus13normalfeed-CLOSED-OR-oBus15normalfeed-CLOSEDb.VerifySVisolationvalvestoturbinebuilding-OPEN~MOV-4613andMOV-4670~MOV-4614andMOV-4664c.Verifyatleasttwoair'ompressors-RUNNINGd..CheckIAsupply:oPressure-GREATERTHAN60PSIGoPressure-STABLEORINCREASINGe.ResetbothtrainsofXYrelaysforIAtoCNMTAOV-5392f.VerifyIAtoCNMTAOV-5392-OPENa.Performthefollowing:1)Closenon-safeguardsbustiebreakers:~Bus13toBus14tie~Bus15toBus16tie2)VerifyadequateemergencyD/Gcapacitytorunaircompressors(75kweach).IPNOT,THENevaluateifCNMTRECIRCfansshouldbestopped(RefertoAttachmentCNMTRECIRCPANS).3)VHRNbus15restored,THENresetcontrolroomlighting.b.Manuallyalignvalves.c.Manuallystartaircompressorsaspowersupplypermits(75kweach).IPaircompressorscanNOTbestarted,THENdispatchAOtolocallyresetcompressorsasnecessary.d.Performthefollowing:1)ContinueattemptstorestoreIA(RefertoAP-IA.1,LOSSOFINSTRUMENTAIR).2)ContinuewithStep15.VHENIArestored,THENdoSteps14eandf.

tarA4alSt' EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE11of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED15CheckNormalPowerAvailableToChargingPumps:oBus14normalfeedbreaker-CLOSEDoBus16normalfeedbreaker-CLOSEDVerifyadequateemergencyD/Gcapacitytorunchargingpumps(75kveach).IPNOT,THENevaluateifCNMTRECIRCfanscanbestopped(RefertoAttachmentCNMT=RECIRCPANS).

pt EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE12of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED16CheckIfChargingFlowHasBeenEstablished:a.Chargingpumps-ANYRUNNINGb.AlignchargingpumpsuctiontoRWST:oLCV-112B-OPENoLCV-112C-CLOSEDa.Performthefollowing:1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCPglsealoutlettemperatureoffscalehigh,THENdispatchAOwithkeytoRWSTgatetoclosesealinjectionneedlevalve(s)toaffectedRCP:~RCPA,V-300A~RCPB,V-300B.2)EnsureHCV-142open,demandatOX.b.IFLCV-112BcanNOTbeopened,THENperformthefollowing:1)VerifychargingpumpANOTrunningandplaceinPULLSTOP.c.StartchargingpumpsasnecessaryandadjustchargingflowtorestorePRZRlevel2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).

3ji EOPECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE13of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED17Check-IfSIShouldBeTerminated:a.CheckRCSpressure:oPressure-GREATERTHAN1625psig[1825psigadverseCNMT]oPressure-STABLEORINCREASINGb.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGa.DONOTstopSIpumps.Performthefollowing:1)EnergizePRZRheatersandoperatePRZRsprayasnecessarytostabilizeRCSpressuregreaterthan1625psig[1825psigadverseCNMT]2)ReturntoStep2.b.DONOTstopSIpumps.ReturntoStep2.c.PRZRlevel-GREATERTHAN5%[30%adverseCNMT]c.DoNOTstopSIpumps.Performthefollowing:1)IFnormalPRZRsprayavailable,THENtrytostabilizeRCSpressurewithPRZRspray.2)ReturntoStep17a.18StopSIandRHRPumpsAndPlaceInAuto t~~

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE14of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED19VerifySIFlowNotRequired:a.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGa.ManuallyoperateSIpumpsasnecessaryandreturntoStep2.b.PRZRlevel-GREATERTHAN5%[30%adverseCNMT]b.ControlchargingflowtomaintainPRZRlevel.IFPRZRlevelcanNOTbemaintained,THENmanuallyoperateSIpumpsasnecessaryandreturntoStep2.*****************************************CAUTIONALIGNINGSIPUMPSUCTIONTORWSTBEFOREISOLATINGBASTMAYRESULTINBACKFLOWFROMRWSTTOBASTS.*****************************************20VerifySIPumpSuctionAlignedToRWST:a.SIpumpsuctionvalvesfromBASTs-CLOSED~MOV-826A~MOV-826B~MOV-826C~MOV-826Db.SIpumpsuctionvalvesfromRWST-OPEN~MOV-825A~MOV-825Bc.ConsultTSCtodetermineifSIflushisrequired(RefertoAttachmentSIFLUSH)a.Manuallycloseatleastonevalveineachflowpath.~MOV-826AorMOV-826B~MOV-826CorMOV-826DIFeitherflowpathcanNOTbemanuallyisolated,THENdispatchAOtoisolateflowpathlocally.b.Ensureatleastonevalveisopen.

A.~g/Ii%tJwttV EOP:ECA-2.1Z!TLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV'PAGE15of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED21CheckRCSHotLegTemperatures-STABLEORDECREASINGControlfeedflowordumpsteamtostabilizeRCShotlegtemperatures.22CheckNarrowRangeLevelInBothS/Gs-LESSTHAN504Controlfeedflowtomaintainnarrowrangelevellessthan50XinbothS/Gs.23VerifyAdequateSWFlowToCCWHx:a.VerifyatleasttwoSWpumps-RUNNINGb.VerifyAUXBLDGSWisolationvalves-OPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735a.Manuallystartpumpsaspowersupplypermits(258kwperpump).IPlessthantwoSWpumpscanbeoperated,THENgotoStep30.b.EstablishSWtoAUXBLDG(RefertoAttachmentAUXBLDGSW).c.VerifyCNMTRECIRCfan.annunciatorC-2,HIGHTEMPERATUREALARM-EXTINGUISHEDc.DispatchAOtolocallythrottleflowtoCCWHxtobetween5000gpmand6000gpmtotalflow.

frIfffV EOP:ECA-F1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE16of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED24CheckIfNormalCVCSOperationCanBeEstablisheda.VerifyIArestored:oIAtoCNMT(AOV-5392)-OPENoIApressure-GREATERTHAN60PSIGa.ContinuewithStep30.WHENIArestored,THENdoSteps24through29.b.VerifyinstrumentbusD-ENERGIZEDc.CCWpumps-ANYRUNNINGd.Chargingpump-ANYRUNNINGb.EnergizeMCCB.IPMCCBNOTavailable,THENperformthefollowing:1)VerifyMCCAenergized.2)PlaceinstrumentbusDonmaintenancesupply.c.Performthefollowing:1)IPanyRCPflsealoutlettemperatureoffscalehigh,THENisolateCCWtothermalbarrierofaffectedRCP(s).~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV-759B2)ManuallystartoneCCWpump.d:ContinuewithStep30.WHENanychargingpumprunning,THENdoSteps25through29.

1II EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE17of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED25CheckIfSealReturnFlowShouldBeEstablished:a.VerifyRCPIIIlsealoutlettemperature-LESSTHAN235'Pb.VerifyRCPsealoutletvalves-OPEN~AOV-270A~AOV-270Ba.GotoStep28.b.Manuallyopenvalvesasnecessary.c.ResetbothtrainsofXYrelaysforRCPsealreturnisolationvalveMOV-313d.OpenRCPsealreturnisolationvalveMOV-313e.VerifyRCPtlsealleakoffflow-LESSTHAN5.5GPMf.VerifyRCPflsealleakoffflow-GREATERTHAN0.25GPMd.Performthefollowing:1)PlaceMOV-313switchtoOPEN.2)DispatchAOwithkeytoRWSTgatetolocallyopenMOV-313.e.IPanyRCPsealleakoffflowgreaterthan5.5gpmTHEN:~oClosetheaffectedRCPsealdischargevalve~RCPA,AOV-270A~RCPB,AOV-270BoTriptheaffectedRCPIPbothRCPsealdischargevalvesareshut,THENgotoStep27.f.RefertoAP-RCP.l,RCPSEALMALPUNCTION.26VerifyPRZRLevel-GREATERTHAN13%[404adverseCNMT]ContinuewithStep28.WHENPRZRlevelincreasestogreaterthan13%[40%adverseCNMT],THENdoStep27.

~)pA EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE18of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED27EstablishNormalLetdown:a.VerifycharginglineflowtoREGENHx-GREATERTHAN20GPMb.PlacethefollowingswitchestoCLOSE:~Letdownorificevalves(AOV-200A,AOV-200B,andAOV-202)~AOV-371,letdownisolationvalve~AOV-427,loopBcoldlegtoREGENHxc.PlaceletdovncontrollersinMANUALat25%open~TCV-130~PCV-135d.ResetbothtrainsofXYrelaysforAOV-371andAOV-427e.OpenAOV-371andAOV-427f.Openletdownorificevalvesasnecessaryg.PlaceTCV-130inAUTOat105'Fh.PlacePCV-135inAUTOat250psigi.AdjustchargingpumpspeedandHCV-142asnecessaryIFRCPsealreturnhasbeenestablished,THENestablishexcessletdownasfollovs:oPlaceexcessletdowndivertvalve,AOV-312,toNORMAL.oEnsureCCWfromexcessletdovnopen,(AOV-745).oOpenexcessletdovnisolationvalveAOV-310.oSlovlyopenHCV-123tomaintainexcessletdovntemperaturelessthan195'Fandpressurelessthan100psig.oAdjustchargingpumpspeedasnecessary.IFRCPsealreturnNOTestablished,'THENconsultTSCtodetermineifexcessletdownshouldbeplacedinservice.

P'JI4g,i\'ggl EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE19of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED28CheckVCTMakeupSystem:a.BASTlevels-ANYGREATERTHAN5Xb.CheckAnnunciatorB-23,BORICACIDTANKLOLOLEVEL-EXTINGUISHEDa.GotoStep29.b.Performthefolloving:1)Adjustboricacidflowcontrolvalvetorequiredflowfromtable.BASTLEVEL<10%10-15%15-20%>20%BORICACIDPLOW(GPM)4.56.78.910.0c.AdjustboricacidflovcontrolvalveinAUTOto4.5gpmd.Verifythefolloving:1)RMWmodeselectorswitchinAUTO2)GotoStep28d.d.Adjustcontrolsasnecessary.2)RMWcontrolarmed-REDLIGHTLITe.CheckVCTlevel:oLevel-GREATERTHAN20X-OR-oLevel-STABLEORINCREASINGe.ManuallyincreaseVCTmakeupflowasfollows:1)EnsureBAtransferpumpsandRMDpumpsrunning.TpNOT,TMMNresetMCCCandMCCDUVlockoutsasnecessary.2)PlaceRMWflowcontrolvalveHCV-illinMANUALandincreaseRMWflov.3)Increaseboricacidflowasnecessary.

IgR'e'414" EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE20of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED29CheckChargingPumpSuctionAlignedToVCT:a.VCTlevel-GREATERTHAN20%b.VerifychargingpumpsalignedtoVCT:oLCV-112C-OPENoLCV-112B-CLOSEDa.IFVCTlevelcanNOTbemaintainedgreaterthan5%,THENperformthefollowing:1)EnsurechargingpumpsuctionalignedtoRWSToLCV-112BopenoLCV-112Cclosed2)ContinuewithStep30.WHENVCTlevelgreaterthan40%,THENdoStep29b.b.Manuallyalignvalvesasnecessary.NOTE:oIfauxiliarysprayisinuse,sprayflowmaybeincreasedbyclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.oWhenusingPRZRPORV,selectonewithanoperableblockvalve.30EnergizeHeatersAndOperateNormalSprayAsNecessaryToMaintainRCSPressureStableIFnormalsprayNOTavailableandletdown.isinservice,THENuseauxiliarysprayvalve.(AOV-296).IFPRZRsprayNOTavailable,THENuseonePRZRPORV.IFIANOTavailable,THENrefertoAttachmentN2PORVS.

-'C]JJ,hyr EOP:ECA-2.1TlTLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE21of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED~31CheckRCPCooling:a.CheckCCWtoRCPs:EstablishnormalcoolingtoRCPs(RefertoAttachmentSEALCOOLING).oAnnunciatorA-7,RCPlACCWRETURNHIGHTEMPORLOWPLOWEXTINGUISHEDoAnnunciatorA-15,RCP1BCCWRETURNHIGHTEMPORLOWPLOWEXTINGUISHEDb.CheckRCPsealinjection:oLabyrinthsealD/Ps-GREATERTHAN15INCHESOPWATER-OR-oRCPsealinjectionflovtoeachRCP-GREATERTHAN6GPM E<C;4444>>

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE22of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED32VerifyAllACBusses-.ENERGIZEDBYOFFSITEPOWERoNormalfeedbreakerstoall480voltbusses-CLOSEDo480busvoltage-GREATERTHAN420VOLTSoEmergencyD/Goutputbreakers-OPENPerformthefollowing:a.IFanyACemergencybusnormalfeedbreakeropen,THENensureassociatedD/Gbreakerclosed.b.Performthefollowing,as.nec'essary:1)Closenon-safeguardsbustiebreakers:~Bus13toBus14tie~Bus15toBus16tie2)Placethefollows.ngpumpsin'PULLSTOP:~EHpumps~Turninggearoilpump~HPsealoilbackuppump3)RestorepowertoMCCs.~AfromBus13~BfromBus15~EfromBus15~FfromBus154)%HENbus15restored,THENresetcontrolroomlighting.5)RefertoAttachmentSI/UVforotherequipmentlostwithlossofoffsitepower.c.TrytorestoreoffsitepowertoallACbusses(RefertoER-ELEC.l,RESTORATIONOFOFFSITEPOVER).

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EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE23of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFRCPSEALCOOLINGHADPREVIOUSLYBEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATION.33CheckRCPStatus-ATLEASTONERUNNINGTrytostartoneRCP:a.EstablishconditionsforstartinganRCP.oBusllAor11BenergizedoRefertoAttachmentRCPSTART.b.StartoneRCP.IFanRCPcanNOTbestarted,THENverifynaturalcirculation(RefertoAttachmentNC).IFnaturalcirculationcanNOTbeverified,THENincreasefeedflowordumpingsteam.

44g!lx EOP:ECA-F1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE24of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTconditionsorlossofforcedaircoolingmayresultinfailureofNISdetectors.34CheckIfSourceRangeDetectorsShouldBeEnergized:a.Sourcerangechannels-DEENERGIZEDa.GotoStep34e.b.Checkintermediaterangeflux-EITHERCHANNELLESSTHAN1O-oAMPSb.Performthefollowing:1)IFneitherintermediaterangechannelisdecreasingTHENinitiateboration.c.Checkthefollowing:oBothintermediaterangechannels-LESSTHAN10-'MPS2)ContinuewithStep35.WHEN~fluxisLESSTHAN10-'mpsonanyoperablechannel,THENdoSteps34c,dande.c.Continuewithstep35.WHENeitherconditionmet,THENdoSteps34dande.-OR-oGreaterthan20minutessincereactortripd.Verifysourcerangedetectors.-ENERGIZEDe.TransferRk-45recordertoonesourcerangeandoneintermediaterangechannel.d.ManuallyenergizesourcerangedetectorsbydepressingP-6permissivedefeatpushbuttons(2of2).IFsourcerangescanNOTberestored,THENrefertoER-NIS.l,SRMALFUNCTIONandgotoStep35.

ttlV~e EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE25of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED35CheckIfEmergencyD/GsShouldBeStopped:a.VerifyACemergencybussesenergizedbyoffsitepower:oEmergencyD/Goutputbreakers-OPENa.Trytorestoreoffsitepower(RefertoER-ELEC.l,RESTORATIONOFOFFSITEPOWER).oACemergencybusvoltage-GREATERTHAN420VOLTSoACemergencybusnormalfeedbreakers-CLOSEDb.StopanyunloadedemergencyD/Gandplaceinstandby(RefertoAttachmentD/GSTOP)

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE26of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED36EstablishNormalShutdownAlignment:a.Checkcondenser-AVAILABLEa.DispatchAOtoperformAttachmentSD-2.b.Performthefollowing:oOpengeneratordisconnects~1G13A71~9X13A73oPlacevoltageregulatortoOPPoOpenturbinedrainvalvesoRotatereheatersteamsupplycontrollercamtoclosevalvesoPlacereheaterdumpvalveswitchestoHANDoStopallbutonecondensatepumpc.VerifyadequateRxheadcooling:1)CheckIAtoCNMT-AVAILABLE2)Verifyatleastonecontrolrodshroudfan-RUNNING3)VerifyoneRxcompartmentcoolingfan-RUNNINGd.VerifyAttachmentSD-1-COMPLETE1)GotoStep37.2)Manuallystartonefanaspowersupplypermits(45kw)3)Performthefollowing:oDispatchAOtoresetUVrelaysatMCCCandMCCD.oManuallystartonefanaspowersupplypermits(23kw)

"YIfJII EOP:ECA-2.1TjTLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE27of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED37MaintainPlantConditions-STABLEControlplantsystemsasnecessarytomaintainconditionsstable.oRCSpressureoPRZRleveloRCStemperatures38VerifySIFlowNotRequired:a.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGb.PRZRlevel-GREATERTHAN5X[30XadverseCNMT]a.ManuallyoperateSIpumpsasnecessary.ReturntoStep2.b.ControlchargingflowtomaintainPRZRlevel.IFPRZRlevelcanNOTbemaintained,THENmanuallyoperateSIpumpsasnecessary.ReturntoStep2.

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE28of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED39CheckIfSIACCUMsShouldBeIsolated:a.Checkthefollowing:oRCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGa.GotoStep40.oPRZRlevel-GREATERTHAN5%[30%adverseCNMT]b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischargevalves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSI,ACCUMdischargevalves~MOV-841~MOV-865c.VentanyunisolatedACCUMs:1)OpenventvalvesforunisolatedSIACCUMs.d.LocallyreopenbreakersforMOV-841andMOV-865~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.40CheckRCSHotLegControlfeedflowanddumpsteamtoTemperatures-LESSTHAN350'FestablishRCScooldownratelessthan100'F/hrinRCScoldlegs.

elhaAg EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE29of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:oIfauxiliarysprayisinuse,sprayflowmaybeincreasedbyclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.oWhenusingPRZRPORV,selectonewithoperableblockvalve.41CheckRCSPressure-LESSTHAN400PSIG[300PSIGadverseCNMT]UsenormalPRZRspray.IFnormalsprayNOTavailableandletdownisinservice,THENuseauxiliaryspray.IFNOT,THENuseonePRZRPORV.IFIANOTavailable,THENrefertoAttachmentN2PORVS.

Al EOP:ECA-2.1TITLE:UNCONTROLLEDDEPEESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE30of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED42CheckIfRHRNormalCoolingCanBeEstablished:a.RCScoldlegtemperature-LESSTHAN350'Fa.ReturntoStep38.b.RCSpressure-LESSTHAN400psig'[300psigadverseCNMT]c.Placeletdownpressurecontroller(PCV-135)inMANUALCLOSEDb.ReturntoStep41.d.Checkfollowingvalves-OPEN~AOV-371,letdownisolationvalve~AOV-427,loopBcoldlegtoREGENHx~Atleastoneletdownorificevalve(AOV-200A,AOV-200B,orAOV-202)e.VerifypressureonPI-135-LESSTHAN400PSIGd.Performthefollowing:1)ResetbothtrainsofXYrelaysforAOV-371andAOV-427.2)OpenAOV-371andAOV-427.3)Openoneletdownorificevalve.e.ReturntoStep41.f.PlaceRCSoverpressureprotectionsysteminservice(Referto0-7,ALIGNMENTANDOPERATIONOFTHEREACTORVESSELOVERPRESSUREPROTECTIONSYSTEM)g.EstablishRHRnormalcooling(RefertoAttachmentRHRCOOL)f.IFRCSoverpressureprotectionsystemcanNOTbeplacedinservice,THENnotifyTSCofpotentialTechSpecviolationifRHRsystemisplacedinservice.

0 EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE31of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED43ContinueRCSCooldownToColdShutdown:a.MaintaincooldownrateinRCScoldlegs-LESSTHAN100'F/HRb.ChecknarrowrangelevelinbothS/Gs-LESSTHAN50%b.Controlfeedflowtomaintainnarrowrangelevellessthan50%inbothS/Gs.44CheckCoreExitT/Cs-LESSTHAN200'FReturntoStep43.45EvaluateLongTermPlantStatus:a.Maintaincoldshutdownconditionsb.ConsultTSC-END-4IIeVrl EOP:TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE1of1ECA-2.1APPENDIXLISTTITLEPAGES1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING3)ATTACHMENTFAULTEDS/G4)ATTACHMENTCNMTRECIRCFANS5)ATTACHMENTNC6)ATTACHMENTRCPSTART7)ATTACHMENTN2PORVS8)ATTACHMENTSEALCOOLING9)ATTACHMENTSI/UV10)ATTACHMENTD/GSTOP11)ATTACHMENTSD-112)ATTACHMENTSD-213)ATTACHMENTRHRCOOL14)ATTACHMENTAUXBLDGSW15)ATTACHMENTSIFLUSH16)FOLDOUT2~

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE1of1REDPATHSUMMARYa.SUBCRITICALITY-Nuclearpowergreaterthan5%b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-.CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan434[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan5%[25~oadverseCNMT]ANDtotalfeedwaterflowlessthan200gpmd.INTEGRITY-Coldlegtemperaturesdecreasegreaterthan100'Finlast60minutesANDRCScoldlegtemperaturelessthan285'Fe.CONTAINMENT-CNMTpressuregreaterthan60psig 4l>>,J!lekgCSICg EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:6PAGE1of1FIGUREMINSUBCOOLINGNOTE:SubcoolingMargin=SaturationTemperatureFromFigureBelow[-]CoreExitT/CIndicationRC25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS20PSIGSUBCOOLEDREGIONADVERSNORMALCNMTINADEQUATESUBCOOLINGREGIONTEMPERATUREINCREMENTS10'P200250300350400450500550600650700COREEXITSATURATIONTEMPERATURE('P) twyi,C EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV6PAGE1of1FOLDOUTPAGE1.SIREINITIATIONCRITERIAManuallyoperateSIpumpsasnecessaryifEITHERconditionlistedbelowoccurs:oRCSsubcoolingbasedoncoreexitTCs-LESSTHAN0FUSINGREQUIREMENTSOFFIGUREMINSUBCOOLINGoPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN5w[30~oADVERSECNMT]2.E-2TRANSITIONCRITERIAIFanyS/Gpressureincreasesatanytime,THENgotoE-2,FAULTEDSTEAMGENERATORISOLATION,Step1.3.COLDLEGRECIRCULATIONSWITCHOVERCRITERIONIFRWSTleveldecreasestolessthan284,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Step1.4.AFWSUPPLYSWITCHOVERCRITERIONIFCSTleveldecreasestolessthan5feet,THENswitchtoalternateAFWwatersupply(RefertoER-AFW.l,ALTERNATEWATERSUPPLYTOAFWPUMPS).5.SIPUMPAUTOSWITCHOVERCRITERIONWHENBASTleveldecreasesto10%,THENensureSIpumpautomaticswitchovertoRWST.

rf-ht.