ML17263A270

Rev 8 to EOP FR-C.1, Response to Inadequate Core Cooling.

ML17263A270
Person / Time
Site:	Ginna
Issue date:	04/21/1993
From:	MARLOW T A ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17263A269	List: ML17263A268 ML17263A270 ML17263A271 ML17263A272 ML17263A273 ML17263A274 ML17263A275 ML17263A276
References
FR-C.1, NUDOCS 9305140047
Download: ML17263A270 (32)

Text

EOP;FR-C.1TITLE:RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE1of15ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATEPLANTSUPERINTENDENT EFFECTIVE DATE2'pPv.CATEGORY1'0REVIEWEDBY:tisosziooa7

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EOP:FR-C.1RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE2of15.A.PURPOSE-Thisprocedure providesactionstorestorecorecooling.B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS

-Thisprocedure isenteredfrom:a.F-0.2,CORECOOLINGCriticalSafetyFunctionStatusTree,onaREDcondition.

EOP:FR-C.1RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE3of15STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTvaluesshouldbeusedwheneverCNMT~ressureisgreaterthan4psigorCNMTradiation isgreaterthan10+5R/hr.1CheckRNSTLeVel-GREATERTHAN284'erform thefollowing:

a.EnsureSIsystemalignedforcoldlegrecirculation usingSteps1through11ofES-1.3,TRANSFERTOCOLDLEGRECIRCULATION.

b.WHENtheSIsystemisalignedforsumprecirculation, THENgotoStep4.

EOPFR-C.1T1TLE0RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE4of15STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*********************************4'*******

CAUTIONRHRPUMPSSHOULDNOTBERUNLONGERTHAN1HOURWITHOUTCCWTOTHERHRHEATEXCHANGERS.

2VerifySIPumpAndRHRPumpEmergency Alignment:

a.RHRpumpdischarge toRxvesseldeluge-OPEN~MOV-852A~MOV-852Bb.VerifySIpumpC-RUNNINGc.VerifySIpumpA-RUNNINGd.VerifySIpumpB-RUNNING<mr,(%plWPe.VerifybothSIpumpCdischarge valves-OPEN~MOV-871A~MOV-871Ba.Ensureat'eastonevalveopen.b,Manuallystartpumponavailable bus.c,Performthefollowing.

1)EnsureSIpumpsBandCrunning.2)EnsureSIpumpCalignedtodischarge lineA:oMOV-871BclosedoMOV-871Aopen3)GotoStep3.d.Performthefollowing:,

1)EnsureSIpumpsAandCrunning.2)EnsureSIpumpCalignedtodischarge lineB:oMOV-871BopenoMOV-871Aclosed3)GotoStep3.e~Manuallyopenvalvesasnecessary.

EOPIFR-C.1TITLE:RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE5of15STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED3VerifySIPumpSuctionAlignment:

a.CheckBASTlevel:oLevel-GREATERRQQl10$oAnnunciator B-23,BORICACIDTANKLOLOLEVEL-EXTINGUISHED a.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.1RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE6of15STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED4VerifySIFlowInBothTrains:oSIlineloopAandBflowindicators

-CHECKFORFLOWoRHRloopflowindicator

-CHECKFORFLOWPerformthefollowing:

a.Manuallystartpumpsandalignvalvesasnecessary.

b.Establish maximumchargingflow.5CheckRCPSupportConditions:

a.VerifyBus11Aor11B-ENERGIZED b.CheckotherRCPsupportconditions (RefertoAttachment RCPSTART)Continueattemptstoestablish RCPsupportconditions.

6CheckSIACCUMDischarge Valves-OPEN~MOV-841~MOV-865IFSIACCUMdischarge valvesclosedafterACCUMdischarge, THENgotoStep7.IFNOT,THENperfonethefollowing:

a.DispatchAO'withlockedvalvekeytolocallyclosebreakersforSIACCUMdischarge valves.~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cb.OpenSIACCUMdischarge valves.'efrw'g~ACCUMA,MOV-841~ACCUMB,MOV-865

KOPFR-C.1RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE7of15STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED7CheckCoreExitT/Cs-LESSTHAN1200'FGotoStep10.8CheckRVLISIndication:

a.RVLISlevel(noRCPs)-GREATERTHAN438t46%adverseCNMT)a.IFRVLISincreasing, THENreturntoStep1.IFNOT,THENgotoStep9.b.Returntoprocedure andstepineffect9CheckCoreExitT/Cs:a.Temperature

-LESSTHAN700'Fb.Returntoprocedure andstepineffecta.IFdecreasing, THENreturntoStep1.IFNOT,THENgotoStep10.******%***************,*******************CAUTIONIFOFFSITEPOWERISLOSTAFTERSIRESET,THENSELECTEDSVPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCY D/G.MANUALACTIONVILLBEREQUIREDTORESTARTSAFEGUARDS EQUIPMENT.

10ResetSZ~e 0

EOP:FR-C.1RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE8of15STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED11ResetCI:a.DepressCIresetpushbutton b.Verifyannunciator A-26,CNMTISOLATION

-EXTINGUISHED b.Performthefollowing:

1)ResetSI.NOTE:2)DepressDIresetpushbutteu.

Thisprocedure shouldbecontinued whileobtaining CNMThydrogensampleinStep12.12CheckCNMTHydrogenConcentration:

a.DirectHPtostartCNMThydrogenmonitorsasnecessary b.Hydrogenconcentration

-LESSTHAN0.5%b.ConsultTSCtodetermine ifhydrogenrecombiners shouldbeplacedinservice.

EOPFR-C.1TITLE:RESPONSETOINADEQUATE CORECOOLINGREV'PAGE9of15STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoIFCSTLEVELDECREASES TOLESSTHAN5FEET,THENALTERNATE WATERSOURCESFORAFWPUMPSWILLBENECESSARY (REFERTOER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).oAFAULTEDORRUPTUREDS/GSHOULDNOTBEUSEDINSUBSEQUENT STEPSUNLESSNOINTACTS/GISAVAILABLE.

NOTE:TDAFPpumpflowcontrolvalvesfailopenonlossofIA.*13MonitorIntactS/GLevels:a.'arrowrangelevel-GREATERTHAN5%[25%adverseCNMT]a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]inatleastoneS/G.IFtotalfeedflowgreaterthan200gpmcanNOTbeestablished, THENperformthefollowing:

1)Continueattemptstoestablish aheatsinkinatleastoneS/G(RefertoER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).b,Controlfeedflowtomaintainnarrowrangelevelbetween17%[25%'-adverse CNMT]and50%2)GotoStep23.

I EOP:FR-C.1TITLE:RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE10of15STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE, ITSHOULDBECLOSEDAFTERPRESSUREDECREASES TOLESSTHAN2335PSIG(REFERTOSTEP14B).14CheckRCSVentPaths:a.PowertoPRZRPORVblockvalves-AVAILABLE b.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.1TITLE0RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE11of15STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED15Establish Condenser SteamDumpPressureControl:a.Verifycondenser available:

oIntactS/GMSIV-OPENoAnnunciator G-15,STEAMDUMPARMED-LITa.PlaceintactS/GARVcontroller inMANUALandgotoStep16.b.PlacesteamdumpmodeselectorswitchinMANUALc.Placesteamdumpcontroller inMANUALNOTE:Partial'ncovering ofS/Gtubesisacceptable inthefollowing steps.16Depressurize AllIntactS/GsTo200PSIG:a.Dumpsteamtocondenser atmaximumrateb.CheckS/Gpressure-LESSTHAN200PSIGa.ManuallyorlocallydumpsteamatmaximumrateusingS/GARVs.b.IFS/Gpressuredecreasing, THENreturntoStep13.IFNOT,THENgotoStep23.c.CheckRCShotlegtemperatures-BOTHLESSTHAN400'FPWavkd.Stop-S/Gdepressurization c.IFRCShotlegtemperatures

.decreasing, THENreturntoStep13.IFNOT,THENgotoStep23.

EOP:FR-C.1RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE12of1SSTEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED17CheckIfSIACCUMsShouldBeIsolated:

a.RCShotlegtemperatures

-BOTHLESSTHAN400'Fa.GotoStep23.b.VerifySIresetc.CloseSIACCUMdischarge valves~ACCUMA,MOV-841~ACCUMB,MOV-865b.ManuallyresetSI.c.Ventanyunisolated ACCUMs:1)Openventvalvesforunisolated SIACCUMs.~ACCUMA,AOV-834A~ACCUMB,AOV-834Bd.LocallyreopenbreakersforMOV-841andMOV-8652)OpenHCV-945.18StopBothRCPs19DumpSteamtoCondenser AtMaximumRateToDepressurize AllIntactS/GsToAtmospheric PressureManuallyorlocallydumpsteamatmaximumrateusingS/GARVs.20VerifySIFlow:oSIliztbloopAandBflowindicators

-CHECKFORFLOWPerformthefollowing:

a.Continueeffortstoestablish SIflow.-OR-oRHRloopflowindicator

-CHECKFORFLOWb.Trytoestablish chargingflow.c.IFcoreexitT/Cslessthan1200'F,THENreturntoStep19.IFNOT,THENgotoStep23.

EOP:FR-C.1T1TLE:RESPONSETOINADEQUATE CORECOOLINGREV'PAGE13of15STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED21CheckCoreCooling:a.CoreexitT/Cs-LESSTHAN1200'Fb.RCShotlegtemperatures

-BOTHLESSTHAN320'Fa.GotoStep23.b.ReturntoStep19.c.RVLISlevel(noRCPs)-GREATERTHAN68%[73%adverseCNMT]c.ReturntoStep19.22GotoAppropriate PlantProcedure a.CheckRWSTlevel-GREATERTHAN28'.GotoE-l,LOSSOFREACTORORSECONDARY COOLANT,Step17a.GotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, Stepl.NOTE:Normalconditions aredesiredbutnotrequiredforstartingtheRCPs.23CheckCoreExitT/Cs-LESSTHAN1200'FStartRCPsasnecessary untilcoreexitT/Cslessthan1200'F.IFcoreexitT/Csgreaterthan1200'Fandallavailable RCPsrunning,THENopenallPRZRPORVsandblockvalves.IFIANOTavailable, THENrefertoAttachment

.N2PORVS.IFcoreexitT/Csgreaterthan1200'FandallPRZRPORVsandblockvalvesopen,THENopenRxvesselheadventvalves.~SOV-590~SOV-591~SOV-592~SOV-593 4I EOP:FR-C.1RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE14of15STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED24TryToLocallyDepressurize AllIntactS/GsToAtmospheric Pressure:

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

-ATLEASTINTERMITTENT FLOWa.Return.toStep23.b.Close:SIACCUMdischarge valves~ACCUMA,MOV-841~ACCUMB,MOV-&65b.Ventanyunisolated ACCUMs:1)Openventvalvesforunisolated SIACCUMs.c.LocallyreopenbreakersforMOV-841andMOV-865~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.

EOP:FR-C.1TLTLE:RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE15of15STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED26CheckIfRCPsShouldBeStopped:a.BothRCShotlegtemperatures-LESSTHAN320'Fa.GotoStep27.b.StopallRCPs27VerifySIFlow:oSIlineloopAandBflowindicators

-CHECKFORFLOWPerformthefollowing:

a.Continueeffortstoestablish SIflow.-OR-oRHRloopflowindicator

-CHECKFORFLOWb.Trytoestablish chargingflow.c.ReturntoStep23.28CheckCoreCooling:oRVLISindication

-GREATERTHAN68$f73%adverseCNMT)oRCShotlegtemperatures

-LESSTHAN320'FReturntoStep23.29GotoAppropriate PlantProcedure a.CheckRWSTlevel-GREATERTHAN28'.Goto,.;E;-1, LOSSOFREACTORORSECONDARY COOLANT,Step17Ia.GotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, Step1.-END-

FR-C.1RESPONSETOINADEQUATE CORECOOLINGREV:8PAGE1of1FR-C.1APPENDIXLISTTITLE1)ATTACHMENT RCPSTART2)ATTACHMENT N2PORVSPAGES