ML17263A306

Rev 8 to FR-C.2, Response to Degraded Core Cooling.

ML17263A306
Person / Time
Site:	Ginna
Issue date:	05/19/1993
From:	MARLOW T A ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17263A305	List: ML17263A304 ML17263A306 ML17309A519
References
FR-C.2, NUDOCS 9306040165
Download: ML17263A306 (82)

Text

EOP:FR-C.2'ESPONSETODEGRADEDCORECOOLINGREV8PAGE1of15ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEWPORCREVIEWDATESichPLANTSUPERITENDENTEFFECTIVEDATECATEGORY1.0REVIEWEDBY:!9'30b040165930524PDRADQCK05000244roe

EOP:FR-C.2TITLE:RESPONSETODEGRADEDCORECOOLINGREV:8PAGE2of15A.PURPOSE-Thisprocedureprovidesactionstorestoreadequatecorecooling.B.ENTRYCONDITIONS/SYMPTOMSl.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.F-0.2,CORECOOLINGCriticalSafetyFunctionStatusTree,onanyORANGEcondition.

EOP:FR-CD2RESPONSETODEGRADEDCORECOOLINGREV:8PAGE3of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNHTvaluesshouldbeusedwheneverCNMT~ressureisgreaterthan4psigorCNMTradiationisgreaterthan10+R/hr.1CheckRWSTLevel-GREATERTHAN284Performthefollowing:a.EnsureSIsystemalignedforcoldlegrecirculationusingSteps1throughllofES-1.3,TRANSFERTOCOLDLEGRECIRCULATION.b.GotoStep4.

EOP:FR-C.2RESPONSETODEGRADEDCORECOOLINGREV'PAGE4of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED2VerifySIPumpAndRHRPumpEmergencyAlignment:a.RHRpumpdischargetoRxvesseldeluge-OPEN~MOV-852A~MOV-852Ba.Ensureatleastonevalveopen.b.VerifySIpumpC-RUNNINGc.VerifySIpumpA-RUNNINGd.VerifySIpumpB-RUNNINGb.Manuallystartpumponavailablebus.c.Performthefollowing;1)EnsureSIpumpsBandCrunning.2)EnsureSIpumpCalignedtodischargelineA:oMOV-871BclosedoMOV-871Aopen'3)GotoStep3.d.Performthefollowing:1)EnsureSIpumpsAandCrunning,2)EnsureSIpumpCalignedtodischargelineB:oMOV-871BopenoMOV-871Aclosede.VerifybothSIpumpCdischargevalves-OPEN~MOV-871A~MOV-871B.3)GotoStep3.e.Manuallyopenvalvesasnecessary.

EOP:FR-C.2T!TLERESPONSETODEGRADEDCORECOOLINGREV:8PAGE5of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED3VerifySIPumpSuctionAlignment:a.CheckBASTlevel:oLevel-GREATERTHAN10%oAnnunciatorB-23,BORICACIDTANKLOLOLEVEL-EXTINGUISHEDa.Performthefollowing:1)EnsureatleastoneSIpumpsuctionvalvefromRWSTopen.~MOV-825A~MOV-825B2)EnsureatleastonevalveineachSIpumpsuctionlinefromBASTclosed.~MOV-826AorMOV-826B~MOV-826CorMOV-826Db.VerifySIpumpsuctionvalvesfromBAST-OPEN~MOV-826A~MOV-826B~MOV-826C~MOV-826D3)GotoStep4.b.Ensurebothvalvesineitherflowpathopen.oMOV-826AandMOV-826B-OR-oMOV-826CandMOV-826Dc.VerifySIpumpsuctionfromRWSTCLOSED~MOV-825A~MOV-825Bc.Manuallyalignvalvesasnecessary.

'.0P~~

EOP:FR-C.2TITLE!RESPONSETODEGRADEDCORECOOLINGREV:8PAGE6of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED4VerifySIFlowInBothTrains:a.SIlineloopAandBflowindicators-CHECKFORFLOWa.Performthefollowing:1)ManuallystartSIpumpsandalignvalvesasnecessary.2)Establishmaximumchargingflow.b.RCSpressure-LESSTHAN250psig(465psigadverseCNMT]c.RHRloopflowindicator-CHECKFORFLOWb.GotoStep5.c.ManuallystartRHRpumpsandalignvalves.

EOP:'FR-C.2T!TLE:RESPONSETODEGRADEDCORECOOLINGREV:8PAGE7of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED***************,**************************CAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE,ITSHOULDBECLOSEDAFTERPRESSUREDECREASESTOLESSTHAN2335PSIG(REFERTOSTEP5B).5CheckRCSVentPaths:a.PowertoPRZRPORVblockvalves-AVAILABLEb.PORVs-CLOSEDa.RestorepowertoblockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cb.IFPRZRpressurelessthan2335psig,THENmanuallyclosePORVs.IFanyPORVcanNOTbeclosed,THENmanuallycloseitsblockvalve.c.Blockvalves-ATLEASTONEOPENc.OpenoneblockvalveunlessitwasclosedtoisolateanopenPORV.d.RxvesselheadventvalvesCLOSEDd.Manuallyclosevalves.~SOV-590~SOV-591~SOV-592~SOV-593

EOP:FR-C.2RESPONSETODEGRADEDCORECOOLINGREV8PAGE8of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:NormalconditionsforrunningRCPsaredesired,butRCPsshouldnotbetrippedifnormalconditionscannotbeestablishedormaintained.6CheckRCPStatus:a.AtleastoneRCP-RUNNINGb.SupportconditionsfortheoperatingRCP(s)available(RefertoAttachmentRCPSTART)a,GotoStep9.b.TrytoestablishsupportconditionsfortheoperatingRCP.7CheckRVLISFluidFractiona.Fluidfraction(anyRCPon)GREATERTHAN60%b.Returntoprocedureandstepineffect.a.IFincreasing,THENreturntoStepl.IFNOT,thengotoStep8.8CheckIfOneRCPShouldBeStopped:a.BothRCPs-RUNNINGb.StoponeRCPc.GotoStep10a.GotoStep10.

i~I' EOP:PR-C.2RESPONSETODEGRADEDCORECOOLINGREV:8PAGE9of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED9CheckCoreCooling:a.RVLISlevel(noRCPs)-GREATERTHAN43%[46%adverseCNMT]b.CoreexitT/Cs-LESSTHAN700'Fc.Returntoprocedureandstepin"effecta.IFincreasing,THENreturntoStepl.IFNOT,THENgotoStep10.b.IFdecreasing,THENreturntoStep1.IFNOT,THENgotoStep10.10'CheckSIACCUMDischargeValves-OPEN~MOV-841~MOV-865IFSIACCUMdischargevalvesclosedafterACCUMdischarge,THENgotoStep11.IFNOT,THENperformthefollowing:a.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischargevalves.~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cb.OpenSIACCUMdischargevalves.~ACCUMA,MOV-841~ACCUMB,MOV-865

EOP:FR-C.0TITLE:RESPONSETODEGRADEDCORECOOLINGREV:8PAGE10of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoIFCSTLEVELDECREASESTOLESSTHAN5FEET,THENALTERNATEWATERSOURCESFORAFWPUMPSWILLBENECESSARY(REFERTOER-AFW.1,ALTERNATEWATERSUPPLYTOAFWPUMPS).oAFAULTEDORRUPTUREDS/GSHOULDNOTBEUSEDINSUBSEQUENTSTEPSUNLESSNOINTACTS/GISAVAILABLE.NOTE;TDAFWpumpflowcontrolvalvesfailopenonlossofIA.*11MonitorIntactS/GLevels:la.'arrowrangelevel-GREATERTHAN5%[25%adverseCNMT]b.Controlfeedflowtomaintainnarrowrangelevelbetween17%[25%adverseCNMT]and50%a.=Increasetotalfeedflowtorestorenarrowrangelevelgreaterthan5%[25%adverseCNMT]inatleastoneS/G.12VerifyCondenserSteamDumpInManual:a.Verifycondenseravailable:oIntactS/GMSIV-OPENoAnnunciatorG-15,STEAMDUMPARMED-LITa.PlaceintactS/GARVcontrollerinMANUALandgotoStep13,b.PlacesteamdumpmodeselectorswitchinMANUALc.PlacesteamdumpcontrollerinMANUAL

EOP:PR-C.2RESPONSETODEGRADEDCORECOOLINGREV8PAGE11of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONTHEFOLLOWINGSTEPWILLCAUSESIACCUMULATORINJECTIONWHICHMAYRESULTINAREDPATHCONDITIONINF-0.4,INTEGRITYSTATUSTREE.THISPROCEDURESHOULDBECOMPLETEDBEFORETRANSITIONTOFR-P.1,RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCK.13DepressurizeAllIntactS/GsTo200PSIG:a.MaintaincooldownrateinRCScoldlegs-LESSTHAN100'F/HRb.Dumpsteamtocondenserb.ManuallyorlocallydumpsteamfromintactS/Gs:oUseS/GARVs.-OR-oOpenTDAFWpumpsteamsupplyvalve(s)foraffectedS/G(s):~S/GA,MOV-3505A~S/GB)MOV-3504A-OR-oLocallyperformthefollowing:oOpenintactS/GMSIVbypassvalve.oOpenprimingairejectorsteamisolationvalves.~V-3580~V-3581c.CheckS/Gpressures-LESSTHAN200PSIGc.ReturntoStep11.d.StopS/Gdepressurization

EOPsFR-C.2RESPONSETODEGRADEDCORECOOLINGREV'PAGE12of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONRHRPUMPSSHOULDNOTBERUNLONGERTHAN1HOURWITHOUTCCWTOTHERHRHEATEXCHANGERS.14CheckRHRPumps-RUNNINGManuallystartpumpsasnecessary.15CheckIfSIACCUMsShouldBeIsolated:a.RCShotlegtemperatures-BOTHLESSTHAN400'Fa.GotoStep17.b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischargevalvesifnecessary~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMdischargevalves~MOV-841~MOV-865c.VentanyunisolatedACCUMs:1)OpenventvalvesforunisolatedSIACCUMs.~ACCUMA,AOV-834A~ACCUMB,AOV-834Bd.LocallyreopenbreakersforMOV-841andMOV-8652)OpenHCV-945.

C EOP:FR-C.2TITLE:RESPONSETODEGRADEDCORECOOLINGREV:8PAGE13of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONSYMPTOMSFORFR-C.1,RESPONSETOINADEQUATECORECOOLING,SHOULDBECLOSELYMONITOREDDURINGSUBSEQUENTSTEPS.16StopAllRCPs17DepressurizeAllIntactS/GsToAtmosphericPressure:a.MaintaincooldownrateinRCScoldlegs-LESSTHAN100'F/HRb.Dumpsteamtocondenserb.ManuallyorlocallydumpsteamfromintactS/Gs:1)UseS/GARVs.2)OpenTDAFWpumpsteamsupplyvalve(s)foraffectedS/G(s):~S/GA,MOV-3505A~S/GB)MOV-3504A3)Locallyperformthefollowing:oOpenintactS/GMSIVbypassvalve.oOpenprimingairejectorsteamisolationvalves.~V-3580~V-3581

FOP:v~FR-C.2RESPONSETODEGRADEDCORECOOLINGREV:8PAGE14of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED18VerifySIFlow:oSIlineloopAandBflowindicators-CHECKFORFLOWPerformthefollowing:a.ContinueeffortstoestablishSIflow.-OR-oRHRloopflowindicator-CHECKFORFLOWb.Trytoestablishmaximumchargingflow.c.ReturntoStep17.19IsolateBothSIACCUMs:a.CloseSIACCUMdischargevalves~MOV-841~MOV-865a.VentanyunisolatedACCUMs:1)OpenventvalvesforunisolatedSIACCUMs.b.LocallyreopenbreakersforMOV-841andMOV-865~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.20StopAllRCPs21CheckCoreCooling:oRVLISlevel(noRCPs)-GREATERTHAN68%f73%adverseCNMT]oBothRCShotlegtemperatures-LESSTHAN320'FReturntoStep17.

EOP:FR-C.2RESPONSETODEGRADEDCORECOOLINGREV8PAGE15of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED22GotoAppropriatePlantProcedurea.CheckRWSTlevel-GREATERTHAN28'.GotoE-l,LOSSOFREACTORORSECONDARYCOOLANT,Step17a.GotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Stepl.-END-

EOPFR-C.2TITLE:RESPONSETODEGRADEDCORECOOLINGREV:8PAGE1of1FR-C.2APPENDIXLISTTITLE1)ATTACHMENTRCPSTARTPAGES 8\r~'

EOP:tFR-P.1T!TLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE1of22ROCHESTERGASANDELECTRICCORPORATIONGINNASTATXONCONTROLLEDCOPYNUMBERTECHNICALREVIEWPORCREVIEWDATETSUPERXNTENDENTEFFECTXVEDATECATEGORY1.0REVIEWEDBY:

1 EOP:IFR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE2of22A.PURPOSE-Thisprocedureprovidesactions-toavoid,orlimit,thermalshockorpressurizedthermalshocktothereactorpressurevessel,oroverpressureconditionsatlowtemperature.B.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.F-0.4,INTEGRITYCriticalSafetyFunctionStatusTree,oneitheraREDorORANGEcondition.

e EOP:,FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE3of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNHTradiationisgreaterthan10+"R/hr.1CheckRCSPressure-GREATERTHAN250PSIG[465PSIG~adverseCNMT]IFRHRflowgreaterthan475gpm,THENreturntoprocedureandstepineffect.

f EOP:IFR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONIIREV:8PAGE4of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:AfaultedS/GisanyS/Gthatisdepressurizinginanuncontrolledmanneroriscompletelydepressurized.2CheckRCSColdLegTemperatures-STABLEORINCREASINGTrytostopRCScooldown:a.EnsureS/GARVsclosed.b.ClosebothS/GMSIVs.c.EnsureMFWflowcontrolvalvesclosed.+MFWregulatingvalves~MFWbypassvalvesd.EnsureMFWpumpstripped.e.Rotatereheatersteamsupplycontrollercamtoclosereheatersteamsupplyvalves.f.IFS/Gpressurelessthancondensatepressure,THENstopallcondensatepumps.g.IFRHRsysteminservice,THENstopanycooldownfromRHRsystem.h.Controltotalfeedflowtonon-faultedS/G(s)greaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]inatleastonenon-faultedS/G.WHENS/Glevelgreaterthan5S[25%adverseCNMTJinonenon-faultedS/G,THENlimitfeedflowtostopRCScooldown.ThisStepcontinuedonthenextpage.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV8PAGE5of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED(Step2continuedfrompreviouspage)i.MinimizecooldownfromfaultedS/G(s):1)ClosefaultedS/G(s)TDAFWpumpsteamsupplyvalve(s).~S/GA,MOV-3505A~S/GB,MOV-3504A2)IFbothS/G(s)faulted,THENcontrolfeedflowat50gpmtoeachS/G.3)IFanyS/GNOTfaulted,THENisolateallfeedwatertofaultedS/GunlessnecessaryforRCStemperaturecontrol.IFafaultedS/GisnecessaryforRCStemperaturecontrol,THENcontrolfeedflowat50gpmtothatS/G.3CheckPRZRPORVBlockValves:a.PowertoPORVblockvalvesAVAILABLEa.RestorepowertoblockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:b.Blockvalves-ATLEASTONEOPEN~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cb.OpenoneblockvalveunlessitwasclosedtoisolateanopenPORV.IFatleastoneblockvalvecanNOTbeopened,THENdispatchAOtolocallycheckbreaker.~MOV-515,MCCCposition6C~MOV-516,MCCDposition6C 10 EOP:IFR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV8PAGE6of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED**%*4************************************CAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE,THENSTEP4SHOULDBEPERFORMEDAFTERPRESSUREDECREASESTOLESSTHANTHEAPPLICABLEPORVSETPOINT.4CheckPRZRPORVStatus:a.CheckReactorVesselOverpressureProtectionSystem-INSERVICEa.GotoStep4d.b.CheckRCSpressure-LESSTHAN410PSIGb.Performthefollowing:l)EnsureatleastonePRZRPORVopen.2)ContinuewithStep5.WHENpressurelessthansetpoint,THENdoStep4e.c.GotoStep4ed.PRZRpressure-LESSTHAN2335PSIGe.VerifyPRZRPORVs-CLOSEDd.Performthefollowing:1)EnsureatleastonePRZRPORVopen.2)ContinuewithStep5.WHENpressurelessthansetpoint,THENdoStep4e.'7e.Manuallyclosevalve.IFanyval~ecanNOTbeclosed,THENmanuallycloseitsblockvalve.

~l>1~1>>I'8 EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE7of22STEP.ACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED5CheckSIPumps-ANYRUNNINGGotoStep14.6CheckIfSICanBeTerminated:oRCSsubcoolingbasedoncoreexitT/Cs-GREATERTHAN50'FUSINGFIGUREMINSUBCOOLINGoCheckRVLISindication:oLevel(noRCPs)-GREATERTHAN68%[73%adverseCNMTj-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%DoNOTstopSIpumps'erformthefollowing:a.IFRCSsubcoolingbasedoncoreexitT/CsgreaterthanO'FusingFigureMINSUBCOOLINGandnoRCPrunning,THENattempttostartanRCP:1)EstablishconditionsforstartinganRCP:'BusllAor11BenergizedoRefertoAttachmentRCPSTART2)IFconditionsestablished,THENstartoneRCP.b.GotoStep27.*****************************************CAUTIONIFOFFSITEPOWERISLOSTAFTERSIRESET,THENSELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCYD/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDSEQUIPMENT.7ResetSI

EOP:IFR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE8of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED8StopSIAndRHRPumpsAndPlaceInAUTO9ResetCI:a.DepressCIresetpushbuttonb.VerifyannunciatorA-26,CNMTISOLATION-EXTINGUISHEDb.Performthefollowing:1)ResetSI.2)DepressCIresetpushbutton.10VerifyAdequateSWFlow:a.CheckatleasttwoSWpumpsRUNNINGa.ManuallystartSWpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpsrunning,THENperformthefollowing:1)EnsureSWisolation.2)DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-l).b.DispatchAOtoestablishnormalshutdownalignment{RefertoAttachmentSD-1)3)GotoStep12.WHENadequateSWavailable,THENdoStep11.

{a EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE9of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED11EstablishIAtoCNMT:a.Verifynon-safeguardsbussesenergizedfromoffsitepoweroBus13normalfeed-CLOSED-OR-oBus15normalfeed-CLOSEDb.VerifySWisolationvalvestoturbinebuilding-OPEN~MOV-4613andMOV-4670~MOV-4614andMOV-4664c.Verifyatleasttwoaircompressors-RUNNINGd.CheckIAsupply:oPressuxe-GREATERTHAN60PSIGoPressure-STABLEORINCREASINGe.ResetbothtrainsofXYrelaysforIAtoCNMTAOV-5392f.VerifyIAtoCNMTAOV-5392-OPENa.Performthefollowing:1)Closenon-safeguardsbustiebreakers:~Bus13toBus14tie'Bus15toBus16tie2)VerifyadequateemergencyD/Gcapacitytorunaircompressors(75kweach).IFHQT,THEMevaluateifCHHTRECIRCfansshouldbestopped(RefertoAttachmentCNMTRECIRCFANS).3)WHENbus15restored,THENresetcontrolroomlighting.b.Manuallyalignvalves,c.Manuallystartaircompressorsaspowersupplypermits(75kweach).IFaircompressorscanNOTbestarted,THENdispatchAOtolocallyresetcompressorsasnecessary.d.Performthefollowing:1)ContinueattemptstorestoreIA(RefertoAP-IA.1,LOSSOFIZISTRUMENTAIR).2)ContinuewithStep12.WHENIArestored,THENdoStepslieandf.

l4 EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE10of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************4***********************CAUTIONALIGNINGSIPUMPSUCTIONTORWSTBEFOREISOLATINGBASTMAYRESULTINBACKFLOW~FROMRWSTTOBASTS.12VerifySIPumpSuctionAlignedToRWST:a.SIpumpsuctionvalvesfromBASTs-CLOSED~MOV-826A~MOV-826B~MOV-826C~MOV-826Da.Ensureatleastonevalveineachflowpathclosed.~MOV-826AorMOV-826B~MOV-.826CorMOV-826Db.SIpumpsuctionvalvesfromRWSTOPEN~MOV-825A~MOV-825Bb.Ensureatleastonevalveisopen.c.ConsultTSCtodetermineifSIflushisrequired(RefertoAttachmentSIFLUSH) 1J EOP:FR-P.1TITLE%RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV8PAGE11of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDT13CheckIfChargingFlowHasBeenEstablished:a.Chargingpumps-ANYRUNNINGa.Performthefollowing:1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCPPlsealoutlettemperatureoffscalehigh,THENdispatchAOwithkeytoRWSTgatetolocallyclosesealinjectionneedlevalve(s)toaffectedRCP:~RCPA,V-300A~RCPB>V-300B2)EnsureHCV-142open,demandatOS.b.AlignchargingpumpsuctiontoRWST'LCV-112B-OPENoLCV-112C-CLOSEDb.IFLCV-112BcanNOTbeopened,THENperformthefollowing:1)VerifychargingpumpANOTrunningandplacein.PULLSTOP.c.StartchargingpumpsasnecessaryandadjustchargingflowtorestorePRZRlevel2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-3S8open,THENdirectA'0tocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV*8PAGE12of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*14MonitorSIReinitiationCriteria:oRCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANFIGUREMINSUBCOOLINGoRVLISindication:ManuallyoperateSIpumpsasnecessaryandperformthefollowing:a.IFRCSsubcoolingbasedoncoreexitT/CsgreaterthanFigureMINSUBCOOLINGandnoRCPrunning,THENattempttostartaRCP:oLevel-GREATERTHAN68%[73%adverseCNMT]-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%1)EstablishconditionsforstartinganRCP:oBus11Aor11BenergizedoRefertoAttachmentRCPSTART2)IFconditionsestablished,THENstartoneRCP.b.GotoStep27.15CheckRCSHotLegTemperatures-STABLEIFincreasing,THENcontrolfeedflowanddumpsteamtostabilizeRCShotlegtemperatures.IFdecreasing,THENverifythatactionsofStep2havebeenperformedbeforecontinuingwithprocedure.

0t1 EOP:,FR-P.1T1TLERESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE13of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED16CheckIfSIACCUMsShouldBeIsolated:a.Checkthefollowing:oRCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGa.ReturntoStep14.oRVLISindication:oLevel-GREATERTHAN68%(73%adverseCNMT]-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischargevalves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMdischargevalves~MOV-841~MOV-865c.VentanyunisolatedACCUMs:1)OpenventvalvesforunisolatedSIACCUMs.~ACCUMA,AOV-834A~ACCUMB,AOV-834Bd.LocallyreopenbreakersforMOV-841andMOV-8652)OpenHCV-945.3)ContinuewithStep17.DoNOTdecreaseRCSpressuretolessthanunisolatedACCUMpressure.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE14of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED**********************************'*******CAUTIONTHERCSSHOULDNOTBEDEPRESSURIZEDTOLESSTHANSIACCUMPRESSUREUNTILSIACCUMSISOLATED.NOTE:oIfauxiliarysprayisinuse,sprayflowmaybeincreasedbyclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.oWhenusingaPRZRPORVselectonewithanoperableblockvalve.17DepressurizeRCSToDecreaseRCSSubcooling:a.DepressurizeusingnormalPRZRsprayifavailablea.IFnormalsprayNOTavailable,THENuseonePRZRPORV.IFIANOTavailable,THENrefertoAttachmentN2PORVS.b.DepressurizeRCSuntileitherofthefollowingconditionssatisfied:IFnoPRZRPORVavailable,THENuseauxiliarysprayvalve(AOV-296).oRCSsubcoolingbasedoncoreexitT/Cs-LESSTHAN10'FUSINGFIGUREMINSUBCOOLING-OR-oPRZRlevel-GREATERTHAN87%[75%adverseCNMT]c.StopRCSdepressurization

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV8PAGE15of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED18CheckIfRCPsMustBeStopped:a.RCPs-ANYRUNNINGb.Checkthefollowing:oRCP41sealD/P-LESSTHAN220PSIDa.GotoStep19.b.GotoStep19.-OR-oRCP51sealleakoff-LESSTHAN0.25GPMc.StopaffectedRCP(s)**********************4******************CAUTIONANINCREASEINRCSPRESSUREMAYRESULTINEXCESSIVEREACTORVESSELSTRESS.RCSPRESSUREANDTEMPERATURESHOULDBEMAINTAINEDSTABLEWHILEPERFORMINGSUBSEQUENTSTEPSINTHISPROCEDURE.19CheckPRZRLevel-GREATERTHAN134[404adverseCNMT]TrytorestorelevelwithchargingwhilemaintainingstableRCSpressure.IFlevelcanNOTberestored,THENgotoStep26.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE16of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED20CheckIfNorInalCVCSOperationCanBeEstablisheda.VerifyIArestored:oIAtoCNMT{AOV-5392)-OPENoIApressure-GREATERTHAN60PSIGa.ContinuewithStep24'HENIArestored,THENdoSteps20through23:b.CCWpumps-ANYRUNNINGb.Performthefollowing:1)IFanyRCP51sealoutlettemperatureoffscalehigh,THENisolateCCWtothermalbarrierofaffectedRCP{s).~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV-759Bc.VerifyinstrumentbusD-ENERGIZEDd.Chargingpump-ANYRUNNING2)ManuallystartoneCCWpump.c.EnergizeMCCBEIFMCCBNOTavailable,THENperformthefollowing:1)VerifyMCCAenergized.2)PlaceinstrumentbusDonmaintenancesupply.d.ContinuewithStep25.WHENanychargingpumprunning,THENdoSteps21through25.

EOP:rFR-P.1T1TLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREU:8PAGE17of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED******%**********************************CAUTIONIFRCSPRESSURELESSTHAN250PSIG,THENPCV-135SHOULDBEADJUSTEDTOESTABLISHDESIREDLETDOWNFLOW,NOTTOINCREASEPRESSURE.I21EstablishNormalLetdown:a.EstablishcharginglineflowtoREGENHx-GREATERTHAN20GPMb.PlacethefollowingswitchestoCLOSE'Letdownorificevalves(AOV-200A,AOV-200B,andAOV-202)~AOV-371,letdownisolationvalve+AOV-427,1'oopBcoldlegtoREGENHxc.PlaceletdowncontrollersinMANUALat25%open~TCV-130~PCV-135d.ResetbothtrainsofXYrelaysforAOV-371andAOV-427e.OpenAOV-371andAOV-427f.Openletdownorificevalvesasnecessaryg.PlaceTCV-130inAUTOat105'Fh.PlacePCV-135inAUTOat250psigi.AdjustchargingpumpspeedandHCV-142asnecessaryIFRCPsealreturnhasbeenestablished,THENestablishexcessletdownasfollows:oPlaceexcessletdowndivertvalve,AOV-312,toNORMAL.oEnsureCCWfromexcessletdownopen,(AOV-745).oOpenexcessletdownisolationvalveAOV-310.oSlowlyopenHCV-123tomaintainexcessletdowntemperaturelessthan195'Fandpressurelessthan100psig.oAd)ustchargingpumpspeedasnecessary.IFRCPsealreturnNOTestablished,THENconsultTSCtodetermineifexcessletdownshouldbeplacedinservice.

D EOP:0FR-P.1TlTLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE18of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED22CheckVCTMakeupSystem:a.BASTlevels-ANYGREATERTHAN5%b.CheckAnnunicatorB-23,BORICACIDTANKLOLOLEVEL-EXTINGUISHEDa.Goto.Step23.b.Performthefollowing:1)Adjustboricacidflowcontrolvalvetorequiredflowfromtable.BASTLEVELBORICACIDFLOW(GPM)<10%10-15%15-208>20%4.56.78.910.0c.Adjust,boricacidflowcontrolvalveinAUTOto4.5gpmd.Verifythefollowing'.1)RMWmodeselectors~itchinAUTO2)GotoStep22d.d.Ad)ustcontrolsasnecessary.2)RMWcontrolarmed-REDLIGHTLITe.CheckVCTlevel:oLevel-GREATERTHAN20%-OR-oLevel-STABLEORINCREASINGe.ManuallyincreaseVCTmakeupflowasfollows:1)EnsureBAtransferpumpsandRMWpumpsrunning.IFNOT,THENresetMCCCandMCCDUVlockoutsasnecessary.2)PlaceRMWflowcontrolvalveHCV-111inMANUALandincreaseRMWflow.3)Increaseboricacidflowasnecessary.

0 EOP:IPR-P.1T!TLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE19of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED23CheckChargingPumpSuctionAlignedToVCT:a.VCTlevel-GREATERTHAN20%a.IFVCTlevelcanNOTbemaintainedgreaterthan5%,THENperformthefollowing:1)EnsurechargingpumpsuctionalignedtoRWSToLCV-112BopenoLCV-112Cclosed2)ContinuewithStep24.WHENVCTlevelgreaterthan408,THENdoStep23b.b.VerifychargingpumpsalignedtoVCToLCU-112C-OPENoLCV-112B-CLOSEDb.Hanuallyalignvalvesasnecessary.24CheckPRZRLevel-LESSTHAN874[754adverseCNMT]ControlchargingandletdownasnecessarytoreducePRZRleveltolessthan87%I75%adverseCNMT].Ifnecessaryestablishexcessletdown.IFnoletdownavailableANDCCWtoRCPsestablished,THENcyclechargingpumpsasnecessarytocontrolPRZRlevel.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE20of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:Foroptimumlongtermpressurecontrol,saturatedconditionsshouldberestoredinthePRZR.25VerifyPRZRLiquidTemperature(TI-424)-ATSATURATIONFORDESIREDPRESSUREIFPRZRliquidtemperaturelow,THENenergizePRZRheatersasnecessarytoestablishdesiredtemperature.26CheckRCSSubcoolingBasedOnCoreExitT/Cs-BETWEENO'AND10'FUSINGFIGUREMINSUBCOOLINGIFRCSpressurelessthan160psigf200psigadverseCNMT],THENgotoStep27.IFNOT,THENdepressurizeusingnormalspray.IFnormalsprayNOTavailableandletdownisinservice,THENuse,auxiliarysprayforanyfurtherdepressurization.ReturntoStep17b.IFauxiliarysprayNOTavailable,THENreturntoStep17a.27CheckCoolDownRateInRCSColdLegs-GREATERTHAN100'FINANY60MINUTESPERIODReturntoprocedureandstepineffect.28MaintainRCSPressureAndTemperatureStableForAtLeast1Houra.Controlsteamdumpandfeedflowasnecessaryb.PerformactionsofotherproceduresineffectwhichdonotcooldowntheRCSorincreaseRCSpressureuntiltheRCStemperaturesoakhasbeencompleted

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE21of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED29WHEN1HOURSoakIsComplete,THENContinueRCSCooldownAndDepressurizationAsNecessarya.MaintainRCSpressureandcoldlegtemperaturewithinthelimitsofFigureSOAKLIMITSb.EstablishandmaintaincooldownrateinRCScoldlegs-LESSTHAN50'FINANY60MINUTESPERIOD30VerifySIFlowNotRequired:oRCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANFIGUREMINSUBCOOLINGoRVLISvindication:oLevel-GREATERTHAN68%[73%adverseCNMT]-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80$ManuallyoperateSIpumpsasnecessary.IFRCSsubcoolingbasedoncoreexitT/CsgreaterthanFigureMINSUBCOOLINGandnoRCPrunning,THENperformthefollowing:a.EstablishconditionsforstartinganRCP:oBus11AorllBenergizedoRefertoAttachmentRCPSTARTb.IFconditionsestablished,THENstartoneRCP.

1IVy EOP:FR-P.1T1TLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE22of22STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED31ReturnToProcedureAndStepInEffect-END-

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE1of1FR-P.1APPENDIXLISTTITLEPAGES1)FIGUREMINSUBCOOLING2)FIGURESOAKLIMITS3)ATTACHMENTRCPSTART4)ATTACHMENTSD-15)ATTACHMENTCNMTRECIRCFANS6)ATTACHMENTN2PORVS7)ATTACHMENTSIFLUSH

~V EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE1of1FIGUREMINSUBCOOLINGNOTE:SubcoolingMargin=SaturationTemperatureFromFigureBelow[-]CoreExitT/CIndicationRC25002400230022002100200019001800.17001600150013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREHENTS20PSIGSUBCOOLEDREGIONADVERSECNHTNORHALCNHTINADE(UATESUBCOOLINGREGIONTEMPERATUREINCREHENTS10'F0200250300350400450500550600650700COREEXITSATURATIONTEHPERATURE('F)

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:8PAGE1of1RCS2500-240023002200210020001900ISOO170016001500140013001200110010009008007006005004003002001000PRESSURE(PSIG)RCSPRESSUREINCREMENTS20PSIGFIGURESOAKLIMITSREMAINBELOWCURVETEMPERATUREINCREMENTS10'F200250300350400450500550600650700RCSCOLDLEGTEMPERATURE('F) 1,'t.