ML17264A822

Rev 15 to FR-P.1, Response to Imminent Pressurized Thermal Shock Condition.

ML17264A822
Person / Time
Site:	Ginna
Issue date:	02/06/1997
From:	ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17264A821	List: ML17264A820 ML17264A822 ML17311A041
References
FR-P.1, NUDOCS 9702190176
Download: ML17264A822 (36)

Text

%OP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE1of21ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERRESPONSIMANAGEREFFECTIVEDATECATEGORY1.0REVIEWEDBY:97Oaaeos7e9roeoifPDRAOOCK05005244)FPDR eEOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE2of21A.PURPOSE-Thisprocedureprovidesactionstoavoid,orlimit,thermalshockorpressurizedthermalshocktothereactorpressurevessel,oroverpressureconditionsatlowtemperature.B.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.F-0.4,INTEGRITYCriticalSafetyFunctionStatusTree,oneitheraREDorORANGEcondition.

EOP:FR-P.1TITt.E:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE3of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTvaluesshouldbeusedwheneverCNMT~ressureisgreaterthan4psigorCNMTradiationisgreaterthan10+R/hr.1CheckRCSPressure-GREATERTHAN250PSIGt'465PSIGadverseCNMT]IFRHRflowgreaterthan475gpm,THENreturntoprocedureandstepineffect.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV15PAGE4.of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:AfaultedS/GisanyS/Gthatisdepressurizinginanuncontrolledmanneroriscompletelydepressurized.2CheckRCSColCLegTemperatures-STABLEORINCREASINGTrytostopRCScooldown:I'.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%[258adverseCNMT]inatleastonenon-faultedS/G.WHENS/Glevelgreaterthan5%[25%adverseCNMT]inonenon-faultedS/G,THENlimitfeedflowtostopRCScooldown.ThisStepcontinuedonthenextpage.

cOP:FR-P.1T1TLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE5of21STEPACTION/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,THEN'isolateallfeedwatertofaultedS/GunlessnecessaryforRCStemperature.control.IFafaultedS/GisnecessaryforRCStemperaturecontrol,THENcontrolfeedflowat50gpmtothatS/G.3CheckPRZRPORVBlockValves:a.PowertoPORVblockvalvesAVAILABLEb.Blockvalves'-ATLEASTONEOPENa.RestorepowertoblockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:~MOV-515,MCCDposition6C~MOV-516,MCCCposition6Cb.OpenonebiockvalveunlessitwasclosedtoisolateanopenPORV.IFatleastoneblockvalvecanNOTbeopened,THENdispatchAOtolocallycheckbreaker.~MOV-515,MCCDposition6C~MOV-516,MCCCposition6C

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV15PAGE6of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDCAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE,THENSTEP4SHOULDBEPERFORMEDAFTERPRESSUREDECREASESTOLESSTHANTHEAPPLICABLEPORVSETPOINT.4CheckPRZRPORVStatus:a.CheckReactorVesselOverpressureProtectionSystem-INSERVICEa.GotoStep4d.b.CheckRCSpressure-LESSTHAN410PSIGb.Performthefollowing:1)EnsureatleastonePRZRPORVopen.2)ContinuewithStep5.WHENpressurelessthansetpoint,THENdoStep4e~c.GotoStep4ed.PRZRpressure-LESSTHAN2335PSIGe'VerifyPRZRPORVs-CLOSEDd.Performthefollowing:1)EnsureatleastonePRZRPORVopen.2)ContinuewithStep5.WHENpressurelessthansetpoint,THENdoStep4e.e.Manuallyclosevalve.IFanyvalvecanNOTbeclosed,THENmanuallycloseitsblockvalve.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE7of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED5CheckSZPumps-ANYRUNNINGGotoStep13.6CheckZfSZCanBeTerminated:oRCSsubcoolingbasedoncoreexitT/Cs-GREATERTHAN50'FUSINGFIGUREMINSUBCOOLINGoCheckRVLISindication:oLevel(noRCPs)-GREATERTHAN68%[73%adverseCNMT)-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%DoNOTstopSIpumps.Performthefollowing:a.IFRCSsubcoolingbasedoncoreexitT/CsgreaterthanO'Fusing'igureMINSUBCOOLINGandnoRCPrunning,THENattempttostartanRCP:1)EstablishconditionsforstartinganRCP:oBusllAor11B.energizedoRefertoAttachmentRCPSTART2)IFconditionsestablished,THENstartoneRCP.b.GotoStep26".CAUTIONIFOFFSITEPOWERISLOSTAFTERSIRESET,THENSELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCYD/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDSEQUIPMENT.7ResetSZ FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV15PAGE8of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED8StopSIAndRHRPumpsAnd,PlaceInAUTO9ResetCI:a.DepressCIresetpushbuttonb.VerifyannunciatorA-26,CNMTISOLATION-EXTINGUISHEDb.Performthefollowing:1)ResetSI.h2)DepressCIresetpushbutton.10VerifyAdequateSWFlow:a.CheckatleasttwoSWpumpsRUNNINGb.DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1)a.ManuallystartSW-pumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpsrunning,THENperformthe,following:1)EnsureSWisolation.2)DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1).3)GotoStep12.WHENadequateSWavailable,THENdoStep11.

~e0 EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE9of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED11Estahli.shIAtoCNMT: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/Gcapacitytorunaircompressors(75kweach).IFNOT,THENevaluateifCNMTRECIRCfansshouldbestopped(RefertoAttachmentCNMTRECIRCFANS).3)WHENbus15restored,THENresetcontrolroomlighting.b.Manuallyalignvalves.c.Manuallystartaircompressorsaspowersupplypermits(75kweach).IFaircompressorscanNOTbestarted,THENdispatchAOtolocallyresetcompressorsasnecessary.d.Performthefollowing:1)ContinueattemptstorestoreIA(RefertoAP-IA.l,LOSSOFINSTRUMENTAIR).2)ContinuewithStep12.WHENIArestored,THENdoStepslieandf.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE10of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED12CheckIfChargingFlowHasBeenEstablished:a.Chargingpumps-ANYRUNNINGa.Performthefollowing:1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCP¹1sealoutlettemperatureoffscalehigh,THENdispatchAOwithkeytoRWSTgatetolocallyclosesealinjectionneedlevalve(s)toaffectedRCP:~RCPA,V-300A'RCPB,V-300B2)EnsureHCV-142open,demandatOa.b.AlignchargingpumpsuctiontoRWST:oLCV-112B-OPENoLCV-112C-CLOSEDb.IFLCV-112BcanNOTbeopened,THENperformthefollowing:1)VerifychargingpumpANOTrunningandplaceinPULLSTOP.c.StartchargingpumpsasnecessarytoestablishcharginglineflowtoREGENHX-GREATERTHAN20GPM2)DispatchAOtolocallyopenmanualchargingpumpsuctionfrom.RWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE11of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*13MonitorSIReinitiationCriteria:o-RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANFIGUREMINSUBCOOLINGoRVLISindication:ManuallyoperateSIpumpsasnecessaryandperformthefollowing'.IFRCSsubcoolingbasedoncoreexitT/CsgreaterthanFigureMINSUBCOOLINGandnoRCPrunning,THENattempttostartaRCP:oLevel-GREATERTHAN68%[73%adverseCNMT]-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%1)EstablishconditionsforstartinganRCP:oBus11Aor11BenergizedoRefertoAttachmentRCPSTART2)IFconditionsestablished,THENstartoneRCP.b.GotoStep26.14CheckRCSHotLegTemperatures-STABLEIFincreasing,THENcontrolfeedflowanddumpsteamtostabilizeRCShotlegtemperatures.,IFdecreasing,THENverifythatactionsofStep2havebeenperformedbeforecontinuingwithprocedure.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE12of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED15CheckIfSIACCUMsShouldBeIsolated:a.Checkthefollowing:oRCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGa.ReturntoStep13.oRVLISindication:oLevel-GREATERTHAN68%[73%adverseCNMT]-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischargevalves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUHdischargevalves~MOV-841~MOV-865c.VentanyunisolatedACCUMs':1)OpenventvalvesforunisolatedSIACCUMs.d.LocallyreopenbreakersforMOV-841andMOV-865~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.3)'ContinuewithStep16.DoNOTdecreaseRCSpressuretolessthanunisolatedACCUMpressure.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE13of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDCAUTIONTHERCSSHOULDNOTBEDEPRESSURIZEDTOLESSTHANSIACCUMPRESSUREUNTILSIACCUMSISOLATED.NOTE:oIfauxiliarysprayisinuse,sprayflowmaybeincreasedbyclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.oWhenusingaPRZRPORVselectonewithanoperableblockvalve.16DepressurizeRCSToDecreaseRCSSubcooling:a.DepressurizeusingnormalPRZRsprayifavailablea.IFnormalsprayNOTavailable,THENuseonePRZRPORV.IFIANOTavailable,THENrefertoAttachmentN2PORVS.b.DepressurizeRCSuntiloneofthefollowingconditionssatisfied:IFnoPRZRPORVavailable,THENuseauxiliarysprayvalve(AOV-296).oRCSsubcoolingbasedoncoreexitT/Cs-LESSTHAN10'FUSINGFIGUREMINSUBCOOLING-OR-oPRZRlevel-GREATERTHAN87$[75%adverseCNMT]-OR-oRCSpressure-LESSTHAN160psig[200psigadverseCNMT]c.StopRCSdepressurization tOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE14of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*17MonitorRCPOperation:a.RCPs-ANYRUNNINGb..Checkthefollowing:oRCP¹1sealD/P-GREATERTHAN220PSIDa.GotoStep18.b.StopaffectedRCP(s).oRCP¹1sealleakoff-WITHINTHENORMALOPERATINGRANGEOFFIGURERCPSEALLEAKOFFCAUTIONANINCREASEINRCSPRESSUREMAYRESULTINEXCESSIVEREACTORVESSELSTRESS.RCSPRESSUREANDTEMPERATURESHOULDBEMAINTAINEDSTABLEWHILEPERFORMINGSUBSEQUENTSTEPSINTHISPROCEDURE.18CheckPRZRLevel-GREATERTHAN134[404adverseCNMT]TrytorestorelevelwithchargingwhilemaintainingstableRCSpressure.IFlevelcanNOTberestored,THENgotoStep25.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV'5PAGE15of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED19CheckIfNormalCVCS,OperationCanBeEstablisheda.VerifyIArestored:oIAtoCNMT(AOV-5392)-OPENoIApressure-GREATERTHAN60PSIGa.ContinuewithStep23.WHENIArestored,THENdo,Steps19through22.b.CCWpumps-ANYRUNNINGb.Performthefollowing:c.VerifyinstrumentbusD-ENERGIZEDd.Chargingpump-ANYRUNNING1)IFanyRCP¹1sealoutlettemperatureoffscalehigh,THENisolateCCWtothermalbarrierofaffectedRCP(s).~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV-759B2)ManuallystartoneCCWpump.c.EnergizeMCCB.IFMCCBNOTavailable,THENperformthefollowing:1)VerifyMCCAenergized.2)PlaceinstrumentbusDonmaintenancesupply.d.ContinuewithStep24.WHENanychargingpumprunning,THENdoSteps20through24.

Il FR-P.1TITLE:RESPONSETOZMMZNENTPRESSURZZEDTHERMALSHOCKCONDZTZONREV:15PAGE16of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDCAUTIONIFRCSPRESSURELESSTHAN250PSIG,THENPCV-135SHOULDBEADJUSTEDTOESTABLISHDESIREDLETDOWNFLOW,NOTTOINCREASEPRESSURE.20EstablishNormalLetdown:a.EstablishcharginglineflowtoREGENHx-GREATERTHAN20GPMb.PlacethefollowingswitchestoCLOSE:~Letdownorificevalves(AOV-200A,AOV-200B,andAOV-202)~AOV-371,letdownisolationvalve'AOV-427-,loopBcoldlegtoREGENHxc.PlaceletdowncontrollersinMANUALat40%open~TCV-130~PCV-135d.ResetbothtrainsofXYrelaysforAOV-371andAOV-427e.OpenAOV-371andAOV-427f.Openletdownorificevalvesasnecessaryg.PlaceTCV-130inAUTOat105'Fh.PlacePCV-135inAUTOat250psigi.AdjustchargingpumpspeedandHCV-142asnecessary~IFRCPsealreturnhasbeenestablished,THENestablishexcessletdownasfollows:oPlaceexcessletdowndivertvalve,AOV-312,toNORMAL.oEnsureCCWfromexcessletdownopen,(AOV-745).oOpenexcessletdownisolationvalveAOV'-310.oSlowlyopenHCV-123tomaintainexcessletdowntemperaturelessthan195'Fandpressurelessthan100psig.oAdjustchargingpumpspeedasnecessary.IFRCPsealreturnNOTestablished,THENconsultTSCtodetermineifexcessletdownshouldbeplacedinservice.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE17of21.STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED21CheckVCTMakeupSystem:a.AdjustboricacidflowcontrolvalveinAUTOto9.5gpmb.Adjust"RMWflowcontrolvalveinAUTOto40gpmc.Verifythefollowing:1)RMWmodeselectorswitchinAUTOc.'djustcontrolsasnecessary.-2)RMWcontrolarmed-REDLIGHTLITd.CheckVCTlevel:oLevel-GREATERTHAN20%-OR-oLevel-STABLEORINCREASINGd.ManuallyincreaseVCTmakeupflowasfollows:1)EnsureBAtransferpumpsandRMWpumpsrunning.IFNOT,THENresetMCCCandMCCDUVlockoutsasnecessary.2)PlaceRMWflowcontrolvalveHCV-illinMANUALandincreaseRMWflow.~3)Increaseboricacidflowasnecessary.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE18of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED22CheckChargingPumpSuctionAlignedToVCT:a.VCTlevel-GREATERTHAN20%a.IFVCTlevelcanNOTbemaintainedgreaterthan5%,THENperformthefollowing:1)EnsurechargingpumpsuctionalignedtoRWSToLCV-112BopenoLCV-112Cclosed2)ContinuewithStep23.WHENVCTlevelgreaterthan40%,THENdoStep22b.b.VerifychargingpumpsalignedtoVCToLCV-112C-OPENoLCV-112B-CLOSEDb.Manuallyalignvalvesasnecessary.23CheckPRZRLevel-LESSTHAN87%[754adverseCNMT]ControlchargingandletdownasnecessarytoreducePRZRleveltolessthan87$[75%adverseCNMT].Ifnecessaryestablishexcessletdown.IFnoletdownavailableANDCCWtoRCPsestablished,THENcyclechargingpumpsasnecessarytocontrolPRZRlevel.

EOP:FR-P.1jITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE19of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:Foroptimumlongtermpressurecontrol,saturatedconditionsshouldberestoredinthePRZR.24VerifyPRZRLiquidTemperature(TZ-424)-ATSATURATIONFORDESIREDPRESSUREIFPRZRliquidtemperaturelow,THENenergizePRZRheatersasnecessarytoestablishdesiredtemperature.25CheckRCSSubcoolingBasedOnCoreExitT/Cs-LESSTHAN10'FUSINGFIGUREMZNSUBCOOLINGIFRCSpressurelessthan160psig[200psigadverseCNMT],THENgotoStep26.IFNOT,THENdepressurizeusingnormalspray.Returnto'step16b.IFnormalsprayNOTavailableandletdownisinservice,THENuseauxiliarysprayforanyfurtherdepressurization.ReturntoStep16b.IFauxiliarysprayNOTavailable,THENreturntoStep16a.26CheckCoolDownRateInRCSColdLegs-GREATERTHAN100'FINANY60MINUTESPERIODReturntoprocedureandstepineffect.27MaintainRCSPressureAndTemperatureStableForAtLeast1Houra.Controlsteamdumpandfeedflowasnecessaryb.PerformactionsofotherproceduresineffectwhichdonotcooldowntheRCSorincreaseRCSpressureuntiltheRCStemperaturesoakhasbeencompleted

~41 EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV15PAGE20of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:Thefollowingpressure,temperatureandcooldownratelimitsremainapplicableinsubsequentprocedures.28WHEN1HOURSoakIsComplete,THENContinueRCSCooldownAndDepressurizationAsNecessarya.MaintainRCSpressureandcoldlegtemperaturewithinthelimitsofFigureSOAKLIMITSb.EstablishandmaintaincooldownrateinRCScoldlegs-LESSTHAN50'FINANY60MINUTESPERIOD29VerifySZFloeNotRequired:oRCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANFIGUREMINSUBCOOLINGoRVLISindication:oLevel-GREATERTHAN68%[73%adverseCNMT]-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%ManuallyoperateSIpumpsasnecessary.IFRCSsubcoolingbasedoncoreexitT/CsgreaterthanFigureMINSUBCOOLINGandnoRCPrunning,THENperformthefollowing:a.EstablishconditionsforstartinganRCP:oBus11Aor11BenergizedoRefertoAttachmentRCPSTARTb.IFconditionsestablished,THENstartoneRCP.

EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE21of21STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED30ReturnToProcedureAndStepInEffect-END-40~g

~I~EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE1of1FR-P.1APPENDIXLISTTITLEPAGES1)FIGUREMINSUBCOOLING2)FIGURESOAKLIMITS3)FIGURERCPSEALLEAKOFF4)ATTACHMENTRCPSTART5)ATTACHMENTSD-16)ATTACHMENTCNMTRECIRCFANS7)ATTACHMENTN2PORVS

~~4~~

EOP:FR-P.1T1TLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV:15PAGE1of1FIGUREMINSUBCOOLING.NOTE:SubcoolingMargin=SaturationTemperatureFromFigureBelowI-]CoreExitT/CIndicationRC25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS20PSIGSUBCOOLEDREGIONADVERSNHTNORMALCNHTINADEQUATE'UBCOOLINGREGIONTEMPERATUREINCREMENTS10'F200250300350400450500550600650700COREEXITSATURATIONTEMPERATURE(')

<oFR-P.1TlTLE:'IRESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV'5-PAGE1of1RCS25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000PRESSURE(PSIG)RCSPRESSUREINCREHENTS20PSIGFIGURESOAKLIMITSREHAINBELOWCURVETEHPERATUREINCREHENTS10'F200250300350400450500550600650700RCSCOLOLEGTEMPERATURE('F)

EOP:FR-P.1T!TLE:RESPONSETOIMMINENTPRESSURIZEDTHERMALSHOCKCONDITIONREV15PAGE1of1FIGURERCPSEALLEAKOFF¹1SEALLEAKRATE(GPM)6LEAKRATEINCREMENTS0.2GPMNORMALOPERATINGRANGEDPINCREMENTS50PSI2505007501000125015001750200022502500¹1SEALDP(RCSPRESS-VCTPRESS)PSI lt'4;a~c~r-.PCEIl