ML17263A270

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Rev 8 to EOP FR-C.1, Response to Inadequate Core Cooling.
ML17263A270
Person / Time
Site: Ginna Constellation icon.png
Issue date: 04/21/1993
From: MARLOW T A
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17263A269 List:
References
FR-C.1, NUDOCS 9305140047
Download: ML17263A270 (32)


Text

EOP;FR-C.1TITLE:RESPONSETOINADEQUATECORECOOLINGREV:8PAGE1of15ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEWPORCREVIEWDATEPLANTSUPERINTENDENTEFFECTIVEDATE2'pPv.CATEGORY1'0REVIEWEDBY:tisosziooa7~o~goooz+PDRADO~PDR f;l1"l,1,":*'

EOP:FR-C.1RESPONSETOINADEQUATECORECOOLINGREV:8PAGE2of15.A.PURPOSE-Thisprocedureprovidesactionstorestorecorecooling.B.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.F-0.2,CORECOOLINGCriticalSafetyFunctionStatusTree,onaREDcondition.

EOP:FR-C.1RESPONSETOINADEQUATECORECOOLINGREV:8PAGE3of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTvaluesshouldbeusedwheneverCNMT~ressureisgreaterthan4psigorCNMTradiationisgreaterthan10+5R/hr.1CheckRNSTLeVel-GREATERTHAN284'erformthefollowing:a.EnsureSIsystemalignedforcoldlegrecirculationusingSteps1through11ofES-1.3,TRANSFERTOCOLDLEGRECIRCULATION.b.WHENtheSIsystemisalignedforsumprecirculation,THENgotoStep4.

EOPFR-C.1T1TLE0RESPONSETOINADEQUATECORECOOLINGREV:8PAGE4of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*********************************4'*******CAUTIONRHRPUMPSSHOULDNOTBERUNLONGERTHAN1HOURWITHOUTCCWTOTHERHRHEATEXCHANGERS.2VerifySIPumpAndRHRPumpEmergencyAlignment:a.RHRpumpdischargetoRxvesseldeluge-OPEN~MOV-852A~MOV-852Bb.VerifySIpumpC-RUNNINGc.VerifySIpumpA-RUNNINGd.VerifySIpumpB-RUNNING<mr,(%plWPe.VerifybothSIpumpCdischargevalves-OPEN~MOV-871A~MOV-871Ba.Ensureat'eastonevalveopen.b,Manuallystartpumponavailablebus.c,Performthefollowing.1)EnsureSIpumpsBandCrunning.2)EnsureSIpumpCalignedtodischargelineA:oMOV-871BclosedoMOV-871Aopen3)GotoStep3.d.Performthefollowing:,1)EnsureSIpumpsAandCrunning.2)EnsureSIpumpCalignedtodischargelineB:oMOV-871BopenoMOV-871Aclosed3)GotoStep3.e~Manuallyopenvalvesasnecessary.

EOPIFR-C.1TITLE:RESPONSETOINADEQUATECORECOOLINGREV:8PAGE5of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED3VerifySIPumpSuctionAlignment:a.CheckBASTlevel:oLevel-GREATERRQQl10$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.

EOP:FR-C.1RESPONSETOINADEQUATECORECOOLINGREV:8PAGE6of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED4VerifySIFlowInBothTrains:oSIlineloopAandBflowindicators-CHECKFORFLOWoRHRloopflowindicator-CHECKFORFLOWPerformthefollowing:a.Manuallystartpumpsandalignvalvesasnecessary.b.Establishmaximumchargingflow.5CheckRCPSupportConditions:a.VerifyBus11Aor11B-ENERGIZEDb.CheckotherRCPsupportconditions(RefertoAttachmentRCPSTART)ContinueattemptstoestablishRCPsupportconditions.6CheckSIACCUMDischargeValves-OPEN~MOV-841~MOV-865IFSIACCUMdischargevalvesclosedafterACCUMdischarge,THENgotoStep7.IFNOT,THENperfonethefollowing:a.DispatchAO'withlockedvalvekeytolocallyclosebreakersforSIACCUMdischargevalves.~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cb.OpenSIACCUMdischargevalves.'efrw'g~ACCUMA,MOV-841~ACCUMB,MOV-865

KOPFR-C.1RESPONSETOINADEQUATECORECOOLINGREV:8PAGE7of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED7CheckCoreExitT/Cs-LESSTHAN1200'FGotoStep10.8CheckRVLISIndication:a.RVLISlevel(noRCPs)-GREATERTHAN438t46%adverseCNMT)a.IFRVLISincreasing,THENreturntoStep1.IFNOT,THENgotoStep9.b.Returntoprocedureandstepineffect9CheckCoreExitT/Cs:a.Temperature-LESSTHAN700'Fb.Returntoprocedureandstepineffecta.IFdecreasing,THENreturntoStep1.IFNOT,THENgotoStep10.******%***************,*******************CAUTIONIFOFFSITEPOWERISLOSTAFTERSIRESET,THENSELECTEDSVPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCYD/G.MANUALACTIONVILLBEREQUIREDTORESTARTSAFEGUARDSEQUIPMENT.10ResetSZ~e 0

EOP:FR-C.1RESPONSETOINADEQUATECORECOOLINGREV:8PAGE8of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED11ResetCI:a.DepressCIresetpushbuttonb.VerifyannunciatorA-26,CNMTISOLATION-EXTINGUISHEDb.Performthefollowing:1)ResetSI.NOTE:2)DepressDIresetpushbutteu.ThisprocedureshouldbecontinuedwhileobtainingCNMThydrogensampleinStep12.12CheckCNMTHydrogenConcentration:a.DirectHPtostartCNMThydrogenmonitorsasnecessaryb.Hydrogenconcentration-LESSTHAN0.5%b.ConsultTSCtodetermineifhydrogenrecombinersshouldbeplacedinservice.

EOPFR-C.1TITLE:RESPONSETOINADEQUATECORECOOLINGREV'PAGE9of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoIFCSTLEVELDECREASESTOLESSTHAN5FEET,THENALTERNATEWATERSOURCESFORAFWPUMPSWILLBENECESSARY(REFERTOER-AFW.1,ALTERNATEWATERSUPPLYTOAFWPUMPS).oAFAULTEDORRUPTUREDS/GSHOULDNOTBEUSEDINSUBSEQUENTSTEPSUNLESSNOINTACTS/GISAVAILABLE.NOTE:TDAFPpumpflowcontrolvalvesfailopenonlossofIA.*13MonitorIntactS/GLevels:a.'arrowrangelevel-GREATERTHAN5%[25%adverseCNMT]a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]inatleastoneS/G.IFtotalfeedflowgreaterthan200gpmcanNOTbeestablished,THENperformthefollowing:1)ContinueattemptstoestablishaheatsinkinatleastoneS/G(RefertoER-AFW.1,ALTERNATEWATERSUPPLYTOAFWPUMPS).b,Controlfeedflowtomaintainnarrowrangelevelbetween17%[25%'-adverseCNMT]and50%2)GotoStep23.

I EOP:FR-C.1TITLE:RESPONSETOINADEQUATECORECOOLINGREV:8PAGE10of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE,ITSHOULDBECLOSEDAFTERPRESSUREDECREASESTOLESSTHAN2335PSIG(REFERTOSTEP14B).14CheckRCSVentPaths:a.PowertoPRZRPORVblockvalves-AVAILABLEb.PORVs-CLOSEDa.Restorepowerto'lockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cb.IFPRZRpressurelessthan2335psig,THENmanuallyclosePORVs.IFanyPORVcanNOTbeclosed,THENmanuallycloseitsblockvalve.c.Blockvalves-ATLEASTONEOPENc.OpenoneblockvalveunlessitwasclosedtoisolateanopenPORV.d.RxvesselheadventvalvesCLOSED'd.Manuallyclosevalves.~SOV-590~SOV=591~SOV592~SOV<<"593~r

EOP:FR-C.1TITLE0RESPONSETOINADEQUATECORECOOLINGREV:8PAGE11of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED15EstablishCondenserSteamDumpPressureControl:a.Verifycondenseravailable:oIntactS/GMSIV-OPENoAnnunciatorG-15,STEAMDUMPARMED-LITa.PlaceintactS/GARVcontrollerinMANUALandgotoStep16.b.PlacesteamdumpmodeselectorswitchinMANUALc.PlacesteamdumpcontrollerinMANUALNOTE:Partial'ncoveringofS/Gtubesisacceptableinthefollowingsteps.16DepressurizeAllIntactS/GsTo200PSIG:a.Dumpsteamtocondenseratmaximumrateb.CheckS/Gpressure-LESSTHAN200PSIGa.ManuallyorlocallydumpsteamatmaximumrateusingS/GARVs.b.IFS/Gpressuredecreasing,THENreturntoStep13.IFNOT,THENgotoStep23.c.CheckRCShotlegtemperatures-BOTHLESSTHAN400'FPWavkd.Stop-S/Gdepressurizationc.IFRCShotlegtemperatures.decreasing,THENreturntoStep13.IFNOT,THENgotoStep23.

EOP:FR-C.1RESPONSETOINADEQUATECORECOOLINGREV:8PAGE12of1SSTEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED17CheckIfSIACCUMsShouldBeIsolated:a.RCShotlegtemperatures-BOTHLESSTHAN400'Fa.GotoStep23.b.VerifySIresetc.CloseSIACCUMdischargevalves~ACCUMA,MOV-841~ACCUMB,MOV-865b.ManuallyresetSI.c.VentanyunisolatedACCUMs:1)OpenventvalvesforunisolatedSIACCUMs.~ACCUMA,AOV-834A~ACCUMB,AOV-834Bd.LocallyreopenbreakersforMOV-841andMOV-8652)OpenHCV-945.18StopBothRCPs19DumpSteamtoCondenserAtMaximumRateToDepressurizeAllIntactS/GsToAtmosphericPressureManuallyorlocallydumpsteamatmaximumrateusingS/GARVs.20VerifySIFlow:oSIliztbloopAandBflowindicators-CHECKFORFLOWPerformthefollowing:a.ContinueeffortstoestablishSIflow.-OR-oRHRloopflowindicator-CHECKFORFLOWb.Trytoestablishchargingflow.c.IFcoreexitT/Cslessthan1200'F,THENreturntoStep19.IFNOT,THENgotoStep23.

EOP:FR-C.1T1TLE:RESPONSETOINADEQUATECORECOOLINGREV'PAGE13of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED21CheckCoreCooling:a.CoreexitT/Cs-LESSTHAN1200'Fb.RCShotlegtemperatures-BOTHLESSTHAN320'Fa.GotoStep23.b.ReturntoStep19.c.RVLISlevel(noRCPs)-GREATERTHAN68%[73%adverseCNMT]c.ReturntoStep19.22GotoAppropriatePlantProcedurea.CheckRWSTlevel-GREATERTHAN28'.GotoE-l,LOSSOFREACTORORSECONDARYCOOLANT,Step17a.GotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Stepl.NOTE:NormalconditionsaredesiredbutnotrequiredforstartingtheRCPs.23CheckCoreExitT/Cs-LESSTHAN1200'FStartRCPsasnecessaryuntilcoreexitT/Cslessthan1200'F.IFcoreexitT/Csgreaterthan1200'FandallavailableRCPsrunning,THENopenallPRZRPORVsandblockvalves.IFIANOTavailable,THENrefertoAttachment.N2PORVS.IFcoreexitT/Csgreaterthan1200'FandallPRZRPORVsandblockvalvesopen,THENopenRxvesselheadventvalves.~SOV-590~SOV-591~SOV-592~SOV-593 4I EOP:FR-C.1RESPONSETOINADEQUATECORECOOLINGREV:8PAGE14of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED24TryToLocallyDepressurizeAllIntactS/GsToAtmosphericPressure:oUseintactS/G(s)ARVs-OR-UsefaultedorrupturedS/G.oOpenTDAFWpumpsteamsupplyvalvefromintactS/G(s)~S/GA,MOV-3505A~S/GB,MOV-3504A-OR-oPerformthefollowing:a,OpenintactS/GMSIVbypassvalvesb.Openbothprimingairejectorsteaminletvalves~V-.3580~V-358125CheckIfSIACCUMsShouldBeIsolated:a.RHRloopflowindicator-ATLEASTINTERMITTENTFLOWa.Return.toStep23.b.Close:SIACCUMdischargevalves~ACCUMA,MOV-841~ACCUMB,MOV-&65b.VentanyunisolatedACCUMs:1)OpenventvalvesforunisolatedSIACCUMs.c.LocallyreopenbreakersforMOV-841andMOV-865~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.

EOP:FR-C.1TLTLE:RESPONSETOINADEQUATECORECOOLINGREV:8PAGE15of15STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED26CheckIfRCPsShouldBeStopped:a.BothRCShotlegtemperatures-LESSTHAN320'Fa.GotoStep27.b.StopallRCPs27VerifySIFlow:oSIlineloopAandBflowindicators-CHECKFORFLOWPerformthefollowing:a.ContinueeffortstoestablishSIflow.-OR-oRHRloopflowindicator-CHECKFORFLOWb.Trytoestablishchargingflow.c.ReturntoStep23.28CheckCoreCooling:oRVLISindication-GREATERTHAN68$f73%adverseCNMT)oRCShotlegtemperatures-LESSTHAN320'FReturntoStep23.29GotoAppropriatePlantProcedurea.CheckRWSTlevel-GREATERTHAN28'.Goto,.;E;-1,LOSSOFREACTORORSECONDARYCOOLANT,Step17Ia.GotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Step1.-END-

FR-C.1RESPONSETOINADEQUATECORECOOLINGREV:8PAGE1of1FR-C.1APPENDIXLISTTITLE1)ATTACHMENTRCPSTART2)ATTACHMENTN2PORVSPAGES