ML17263A197

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Rev 11 to EOP E-1, Loss of Reactor or Secondary Coolant.
ML17263A197
Person / Time
Site: Ginna Constellation icon.png
Issue date: 03/24/1993
From: MARLOW T A
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17263A191 List:
References
E-1, NUDOCS 9304080163
Download: ML17263A197 (194)
v • d • e


Text

EOP:E-1TITLE:LOSSOFREACTORORSECONDARYCOOLANTREVllPAGE1of16ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEWPORCREVIEWDATElv>>PLANTSUPERINTENDENTEFFECTIVEDATECATEGORY1.0REVIEWEDBY:,9304080163930330"."PDRADOCK05000244P..""'PDR 1Pg'f EOP:E-1TLTLE:LOSSOFREACTORORSECONDARYCOOLANTREVllPAGE2of16A.PURPOSE-Thisprocedureprovidesactionstorecoverfromalossofreactororsecondarycoolant.B.ENTRYCONDITIONS/SYMPTOMSl.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.E-O,REACTORTRIPORSAFETYINJECTION,andFR-H.1,RESPONSETOLOSSOFSECONDARYHEATSINK,whenaPRZRPORVisstuckopenanditsblockvalvecannotbeclosed.b.E-O,REACTORTRIPORSAFETYINJECTION,withanyofthefollowingsymptoms:highcontainmentradiation,highcontainmentpressure,orhighcontainmentrecirculationsumplevel.c~E0gREACTORTRIPORSAFETYINJECTIONgECA21gUNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORS,andFR-H.1,RESPONSETOLOSSOFSECONDARYHEATSINK,whenRCSpressureislessthantheshutoffheadpressureoftheRHRpumpsorisdecreasing.d.ES-1.1,SITERMINATION,andFR-I.2,RESPONSETOLOWPRESSURIZERLEVEL,ifSIhastobereinitiated.e.E-2,FAULTEDSTEAMGENERATORISOLATION,afteridentificationandisolationofafaultedS/G.fECA0~2gLOSSOFALLACPOWERRECOVERYWITHSIREQUIREDIafternormalinjectionmodeconditionsareestablished.g.ECA-1.2,LOCAOUTSIDECONTAINMENT,whenaLOCAoutsidecontainmentisisolated.h.FR-C.1,RESPONSETOINADEQUATECORECOOLING,andFR-C.2,RESPONSETODEGRADEDCORECOOLING,aftercorecoolinghasbeenrestablished.i.FR-H.1,RESPONSETOLOSSOFSECONDARYHEATSINK,ifRCSpressureislessthanallnon-faultedS/G(s)pressure.j.FR-H.1,RESPONSETOLOSSOFSECONDARYHEATSINK,aftersecondaryheatsinkhasbeenreestablishedandallPRZRPORVsareclose.

EOP:E-1TITLE:'LOSSOFREACTORORSECONDARYCOOLANTREV:11PAGE3of16STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFRWSTLEVELDECREASESTOLESSTHAN28%,THENTHESISYSTEMSHOULDBEALIGNEDFORCOLDLEGRECIRCULATIONUSINGES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,STEP1.NOTE'FOLDOUTpageshouldbeopenANDmonitoredperiodically.oCriticalSafetyFunctionStatusTreesshouldbemonitored.(RefertoAppendix1forRedPathSummary.),oConditionsshouldbeevaluatedforSiteContingencyReporting(RefertoEPIP-1.0,GINNASTATIONEVENTEVALUATIONANDCLASSIFICATION).,oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiationisgreaterthan10+R/hr.*1MonitorRCPTripCriteria:a.RCPstatus-ANYRCPRUNNINGb.SIpumps-ATLEASTTWORUNNINGc.RCSpressureminusmaximumS/Gpressure-LESSTHAN175psig[400psigadverseCNMT]d.StopbothRCPsa.GotoStep2.b,GotoStep2.c.GotoStep2.

EOPIE-1TITLE:LOSSOFREACTORORSECONDARYCOOLANTREV:llPAGE4of16STEPACTION/EXPECTEDRESPONSE~RESPONSENOTOBTAINED2CheckIfS/GSecondarySideIsIntact:oPressureinbothS/Gs-STABLEORINCREASINGIFanyS/GpressuredecreasinginanuncontrolledmannerORcompletelydepressurized,THENverifyfaultedS/GisolatedunlessneededforRCScooldown:oPressureinbothS/Gs-GREATERTHAN100PSIG~Steamlines~FeedlinesIFNOT,THENgotoE-2,FAULTEDSTEAMGENERATORISOLATION,Stepl.*****************************************CAUTIONIFCSTLEVELDECREASESTOLESSTHAN5FEET,THENALTERNATEWATERSOURCESFORAFWPUMPSWILLBENECESSARY(REFERTOER-AFW.1,ALTERNATEWATERSUPPLYTOAFWPUMPS).NOTE:TDAFWpumpflowcontrolvalvesfailopenonlossofIA.*3MonitorIntactS/GLevels:a.Narrowrangelevel-GREATERTHAN58[258adverseCNMT]b.Controlfeedflowtomaintainnarrowrangelevelbetween178[258adverseCNMT]and508a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan58[258adverseCNMT]inatleastoneS/G.b.IFnarrowrangelevelinanyS/Gcontinuestoincreaseinanuncontrolledmanner,THENgotoE-3,STEAMGENERATORTUBERUPTURE,Stepl.

W1N EOP!E-1LOSSOFREACTORORSECONDARYCOOLANTREV11PAGE5of16STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED4CheckSecondaryRadiationLevels-NORMALoSteamlineradiationmonitor(R-31andR-32)oRequestHPsampleS/GsforactivityIFsteamlineradiationmonitorsNOTavailable,THENdispatchAOtolocallychecksteamlineradiation.IFabnormalradiationlevelsdetectedinanyS/G,THENgotoE-3,STEAMGENERATORTUBERUPTURE,Stepl.*****************************************CAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE,ITSHOULDBECLOSEDAFTERPRESSUREDECREASESTOLESSTHAN2335PSIG(REFERTOSTEP5B).*5MonitorPRZRPORVStatus:a.PowertoPORVblockvalves-AVAILABLEb.PORVs-CLOSEDa.RestorepowertoblockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cb.IFPRZRpressurelessthan2335psig,THENmanuallyclosePORVs.c.Blockvalves-ATLEASTONEOPENIFanyPORVcanNOTbeclosed,THENmanuallycloseitsblockvalve.IFblockvalvecanNOTbeclosed,THENdispatchAOtolocallycheckbreaker.~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cc.OpenoneblockvalveunlessitwasclosedtoisolateanopenPORV.

K EOP!E-1TITLELOSSOFREACTORORSECONDARYCOOLANTREVllPAGE6of16,STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFOFFSITEPOWERISLOSTAFTERSIRESET,THENSELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCYD/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDSEQUIPMENT.6ResetSZ7ResetCI:a.DepressCIresetpushbuttonb.,VerifyannunciatorA-26,CNMTISOLATION-EXTINGUISHEDb.Performthefollowing:1)ResetSI.2)DepressCIresetpushbutton.8.VerifyAdequateSWFlow:a.CheckatleasttwoSWpumpsRUNNINGb.DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1)a.ManuallystartSWpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpsrunning,THENperformthefollowing:1)EnsureSWisolation.2)DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1)3)GotoStep10.

EOPIE-1LOSSOFREACTORORSECONDARYCOOLANTREV:11PAGE7of16STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED9EstablishIAtoCNMT:a.Verifynon-safeguardsbussesenergizedfromoffsitepoweroBus13normalfeed-CLOSED-OR-oBus15normalfeed-CLOSEDb,VerifyturbinebuildingSWisolationvalves-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,THENevaluateifCNMT'ECIRCfansshouldbestopped(RefertoAttachmentCNMTRECIRCFANS).3)WHENbus15restored,THENresetcontrolroomlighting.b.Manuallyalignvalves.c.Manuallystartaircompressorsaspowersupplypermits(75kweach).IFaircompressorscanNOTbestarted,THENdispatchAOtolocallyresetcompressorsasnecessary.d.Performthefollowing:1)ContinueattemptstorestoreIA(RefertoAP-IA.1,LOSSOFINSTRUMENTAIR).2)ContinuewithStep10.WHENIArestored,THENdoSteps9eandf.

f)

E-l.LOSSOFREACTORORSECONDARYCOOLANTREV:11PAGE8of16STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED10CheckNormalPowerAvailableToChargingPumps:oBus14normalfeedbreaker-'CLOSEDoBus16normalfeedbreaker-CLOSEDVerifyadequateemergencyD/Gcapacitytorunchargingpumps(75kweach).IFNOT,THENevaluateifCNMTRECIRCfanscanbestopped(RefertoAttachmentCNMTRECIRCFANS)..

EOP:E-1LOSSOFREACTORORSECONDARYCOOLANTREV11PAGE9of16STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDllCheckIfChargingFlowHasBeenEstablished:a.Chargingpumps-ANYRUNNINGa.Performthefollowing:1)IFCCWflowislosttoany.RCPthermalbarrierORanyRCP¹1sealoutlettemperatureoffscalehigh,THENdispatchAOwithkeytoRWSTgatetoclosesealin)ectionneedlevalve(s)toaffectedRCP:~V-300AforRCPA~V-300BforRCPBb.ChargingpumpsuctionalignedtoRWST'LCV-112B-OPENoLCV-112C-CLOSED2)EnsureHCV-142open,demandat0%.b.Manuallyalignvalvesasnecessary.IFLCV-112BcanNOTbeopened,THENperformthefollowing:1)VerifychargingpumpANOTrunningandplaceinPULLSTOP.c.StartchargingpumpsasnecessaryandadjustchargingflowtorestorePRZRlevel2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).

lp',~

EOP:E-1T1TLE:LOSSOFREACTORORSECONDARYCOOLANTREV11PAGE10of16STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED12CheckIfSIShouldBeTerminated:a.RCSpressure:oPressure-GREATERTHAN1625psig[1825psigadverseCNMT]oPressure-STABLEORINCREASINGa.DoNOTstopSIpumps.GotoStep14.b.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGb.DoNOTstopSIpumps.GotoStep14.c.Secondaryheatsink:oTotalfeedflowtointactS/Gs-GREATERTHAN200GPM-OR-c.IFneitherconditionsatisfied,THENdoNOTstopSIpumps.GotoStep14.oNarrowrangelevelinatleastoneintactS/G-GREATERTHAN5%[25%adverseCNMT]d.PRZRlevel-GREATERTHAN5%[30%adverseCNMT]d;DoNOTstopSIpumps'erformthefollowing:1)IFnormalPRZRsprayavailable,THENtrytostabilizeRCSpressurewithPRZRspray.2)GotoStep14.

EOPsE-1LOSSOFREACTORORSECONDARYCOOLANTREV:llPAGE11of16STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED13GoToES-1.1,SITERMINATION/Step1*14MonitorIfCNMTSprayShouldBeStopped:a.CNMTspraypumps-RUNNINGb.Checkthefollowing:oCNMTpressure-LESSTHAN4PSIGa.GotoStep15.b.ContinuewithStep15.WHENBOTHconditionssatisfied,THENdo'Steps14cthroughf.oSodiumhydroxidetanklevel-LESSTHAN55%c.ResetCNMTsprayd.CheckNaOHtankoutletvalves-CLOSED~AOV-836A~AOV-836Bd;PlaceNaOHtankoutletvalvecontrollerstoMANUALandclosevalves.e.StopCNMTspraypumpsandplaceinAUTOf.CloseCNMTspraypumpdischargevalves~MOV-860A~MOV-860B~MOV-860C~MOV~860D C

EOP:E-1TITLE.LOSSOFREACTORORSECONDARYCOOLANTREV:11PAGE12of16STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************,CAUTIONoIFOFFSITEPOWERISLOSTAFTERSIRESET,THENSELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCYD/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDSEQUIPMENT.oRCSPRESSURESHOULDBEMONITORED.IFRCSPRESSUREDECREASESTOLESSTHAN250PSIG[465PSIGADVERSECNMT],THENTHERHRPUMPSMUSTBEMANUALLYRESTARTEDTOSUPPLYWATERTOTHERCS.*15MonitorIfRHRPumpsShould.BeStopped:a.CheckRCSpressure:1)Pressure-GREATERTHAN250psig[465psigadverseCNMT]2)RCSpressure-STABLEOR~INCREASINGb.StopRHRpumpsandplaceinAUTO1)GotoStep17.2)GotoStep16.16CheckRCSAndS/GPressuresa.CheckpressuresinbothS/GsSTABLEORINCREASINGa.ReturntoStep1.b.CheckpressuresinbothS/Gs-GREATERTHAN100PSIGc.CheckRCSpressure-STABLEORDECREASINGb.MonitorRCSpressure.IFRCSpressuredoesNOTincreaseafterfaultedS/Gdryout,THENgotoStep17.c.ReturntoStepl.

EOP:E-1TLTLE:LOSSOFREACTORORSECONDARYCOOLANTREV:11PAGE13of16STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED17CheckIfEmergencyD/GsShouldBeStopped:a.VerifyACemergencybussesenergizedbyoffsitepower:oEmergencyD/GoutputbreakersOPENoACemergencybusvoltageGREATERTHAN420VOLTSoACemergencybusnormalfeedbreakers-CLOSEDa.Performthefollowing:1)Closenon-safeguardsbustiebreakersasnecessary:~Bus13toBus14tie~Bus15toBus16tie2)PlacethefollowingpumpsinPULLSTOP'EHpumps~Turninggearoilpump~HPsealoilbackuppump3)EnsurecondensersteamdumpmodecontrolinMANUAL.4)RestorepowertoMCCs:~AfromBus13~BfromBus15~EfromBus15'FfromBus155)WHENbus15restored,THENresetcontrolroomlightingbreaker.6)RefertoAttachmentSI/UVforotherequipmentlostwithlossofoffsitepower.7)Trytorestoreoffsitepower(RefertoER-ELEC.1,RESTORATIONOFOFFSITEPOWER).b.StopanyunloadedemergencyD/G~andplaceinstandby(RefertoAttachmentD/GSTOP)

EOPE-1LOSSOFREACTORORSECONDARYCOOLANTREV'1PAGE14of16STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED18VerifyCNMTSumpRecirculationCapability:a.CheckRHRsystem:1)PoweravailabletoemergencyACbussesandMCCsrequiredforCNMTsumprecirculationoBus14andbus18ENERGIZEDa.Restore'powertoatleastonetrainofemergencyACbusses.IFatleastonetrainofcoldlegrecirculationcapabilitycanNOTbeverified,THENgotoECA-1.1,LOSSOFEMERGENCYCOOLANTRECIRCULATION,Step1.oMCCC-ENERGIZEDoBus16andbus17-ENERGIZEDoMCCD-ENERGIZED2)RHRpumpsandvalvesOPERABLEb.CheckSWpumps-ATLEAST2PUMPSAVAILABLEc.DispatchAOtocheckAUXBLDGsub-basementforRHRsystemleakage(AUXBLDGsub-basementkeymay'berequired)b.Attempttorestoreatleast2SWpumpstooperable.IFonly1SWpumpavailable,THENrefertoAttachmentMINSWforadditionalguidance.c.IFanyRHRpumpsealleakageindicated,THENleakageshould.beevaluatedandisolatedifnecessary.

II E-1LOSSOFREACTORORSECONDARYCOOLANTREV11PAGE15of16STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED19EvaluatePlantStatus:a.Checkauxiliarybuildingradiation-NORMAL~Plantventiodine(R-10B)~Plantventparticulate(R-13)~Plantventgas(R-14)~CCWliquidmonitor(R-17)~LTDNlinemonitor(R-9)~CHGpumproom(R-4)b.DirectHPtoobtainfollowingsamples:~RCSboron~RCSactivity~CNMThydrogen~CNMTsumpboron~BASTs,borona.NotifyHPandrefertoappropriateAR-RMSprocedure.IFthecauseisalossofRCSinventoryoutsideCNMT,THENgoto.ECA-1.2,LOCAOUTSIDECONTAINMENT,Step1.c.VerifyadequateRxheadcooling:1)CheckIAtoCNMT-AVAILABLE2)Verifyatleastonecontrolrodshroudfan-RUNNING3)Verify,oneRxcompartmentcoolingfan-RUNNING1)GotoStep20.2)Manuallystartonefanaspowersupplypermits(45kw)3)Performthefollowing:oDispatchAOtoresetUVrelaysatMCCCandMCCDoManuallystartonefanaspowersupplypermits'(23kw)

EOP:E-1LOSSOFREACTORORSECONDARYCOOLANTREV11PAGE16of16STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED20CheckIfRCSCooldownAndDepressurizationIsRequired:a.RCSpressure-GREATERTHAN250psig[465psigadverseCNMT]b.GotoES-1.2,POSTLOCACOOLDOWNANDDEPRESSURIZATION,Step1a.IFRHRpumpflowgreaterthan475gpm,THENgotoStep21,21CheckIfTransferToColdLegRecirculationIsRequired:a.RWSTlevel-LESSTHAN28%b.GotoES-1;3,TRANSFERTOCOLDLEGRECIRCULATION,Step1a.ReturntoStep18.-END-I EOP:LOSSOFREACTORORSECONDARYCOOLANTREV:11PAGE1of1E-1APPENDIXLISTTITIZPAGES1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING3)ATTACHMENTCNMTRECIRC4)ATTACHMENTD/GSTOP5)ATTACHMENTSD-16)ATTACHMENTSI/UV7)ATTACHMENTMINSW8)ATTACHMENTAUXBLDGSW9)ATTACHMENTSWLOADSINCNMT10)FOLDOUT

EOPsE-1T1TLE0LOSSOFREACTORORSECONDARYCOOLANTREVllPAGE1of1REDPATHSUMMARYa.SUBCRITICALITY-Nuclearpowergreaterthan54b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan'34[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan54[254adverseCNMT]ANDtotalfeedwaterflowlessthan200gpmd.INTEGRITY-Coldlegtemperaturesdecreasegreaterthan100'Finlast60minutesANDRCScoldlegtemperaturelessthan285'Fe.CONTAINMENT-CNMTpressuregreaterthan60psig

EOP.E-1TITLE:LOSSOFREACTORORSECONDARYCOOLANTREVllPAGE1of1FIGUREMINSUBCOOLINGNOTE:SubcoolingMargin=SaturationTemperatureFromFigureBelow[-]CoreExitT/CIndicationRC25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS20PSIGSUBCOOLEDREGIONADVEECNMTRSNORMALCNMTINADEQUATESUBCOOLINGREGIONTEMPERATUREINCREMENTS10'200250300350400450500550600650700COREEXITSATURATIONTEMPERATURE('F)

EOP:E-1LOSSOFREACTORORSECONDARYCOOLANTREV11PAGE1of1FOLDOUTPAGE1.SIREINITIATIONCRITERIAIFEITHERconditionlistedbelowoccurs,THENmanuallyoperateSIpumpsasnecessary:oRCSsubcoolingbasedoncoreexitT/Cs-LESSTHANO'FUSINGFIGUREMINSUBCOOLINGOR-oPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN5%[30%adverseCNMT]2~SITERMINATIONCRITERIAIFALLconditionslistedbelowoccur,THENgotoES-1.1,SITERMINATION,Step1:a.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHAN0FUSINGFIGUREMINSUBCOOLINGb.TotalfeedflowtointactS/Gs-GREATERTHAN200GPMOR-NarrowrangelevelinatleastoneintactS/G-GREATERTHAN5%[25%adverseCNMT]c.RCSpressure:oGREATERTHAN1625PSIG[1825psigadverseCNMT]oSTABLEORINCREASINGd.PRZRlevel-GREATERTHAN5%[30%adverseCNMT]3.SECONDARYINTEGRITYCRITERIAIFanyS/GpressureisdecreasinginanuncontrolledmanneroriscompletelydepressurizedANDhasnotbeenisolated,THENgotoE-2,FAULTEDS/GISOLATION,Step1.4.COLDLEGRECIRCULATIONSWITCHOVERCRITERIONIFRWSTleveldecreasestolessthan28%,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Step.l.5.AFWSUPPLYSWITCHOVERCRITERIONIFCST'eveldecreasestolessthan5feet,THENswitchtoalternateAFWwatersupply(RefertoER-AFW.l,ALTERNATEWATERSUPPLYTOAFWPUMPS).6.E-3TRANSITIONCRITERIAIFanyS/G'levelincreasesinanuncontrolledmanneroranyS/Ghasabnormalradiation,THENgotoE-3,STEAMGENERATORTUBERUPTURE,Stepl.

EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV:15PAGE1of38ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEW1PORCREVIEWDATEk'LANTSUPERINTENDENTEFFECTIVDATECATEGORY1.0REVIEWEDBY:

0fICKcAaJpP,*t EOP:E-3JITLE:STEAMGENERATORTUBERUPTUREREV:15PAGE2of38A.PURPOSE-Thisprocedureprovidesactionstoterminateleakageofreactorcoolantintothesecondarysystemfollowingasteamgeneratortuberupture(SGTR),thisprocedureshouldalsobeusedforaSGTRinoneS/GandafaultintheotherS/G.B.ENTRYCONDITIONS/SYMPTOMSl.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.E-O,REACTORTRIPORSAFETYINJECTION,whencondenserairejectorradiationorblowdownradiationisabnormal,orb~E0gREACTORTRIPORSAFETYINJECTION/E1/LOSSOFREACTORORSECONDARYCOOLANTgE-2,FAULTEDSTEAMGENERATORISOLATION,andFRHE3RESPONSETOSTEAMGENERATORHIGHLEVELSwhensecondaryradiationisabnormal,orc.E-O,REACTORTRIPORSAFETYINJECTION/E1gLOSSOFREACTORORSECONDARYCOOLANTgES1~2gPOSTLOCACOOLDOWNANDDEPRESSURIZATIONgECA3~3gSGTRWITHOUTPRESSURIZERPRESSURECONTROLSwhenanintactS/Gnarrowrangelevelincreasesinanuncontrolledmanner.dECA3~3~SGTRWITHOUTPRESSURIZERPRESSURECONTROL/whenpressurizerpressurecontrolisrestored.e.E-1seriesFOLDOUTpage'whenevereitherS/GlevelincreasesinanuncontrolledmanneroreitherS/Ghasabnormalradiation.

~A$ra.a EOP:E-3STEAMGENERATORTUBERUPTUREREV:15PAGE3of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:oFOLDOUTpageshouldbeopenANDmonitoredperiodically.oCriticalSafetyFunctionStatusTreesshouldbemonitored(RefertoAppendix1forRedPathSummary).oPersonnelshouldbeavailableforsamplingduringthisprocedure.oConditionsshouldbeevaluatedforSiteContingencyReporting(EPIP-1.0,GINNASTATIONEVENTEVALUATIONANDCLASSIFICATION).oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureis,greaterthan4psigorCNMTradiationisgreaterthan10+R/hr.*1MonitorRCPTripCriteria:a.RCPstatus-ANYRCPRUNNINGb.SIpumps-ATLEASTTWORUNNINGc.RCSpressureminusmaximumS/Gpressure--LESSTHAN175psig(400psigadverseCNMTjd.StopbothRCPsa.GotoStep2.b.GotoStep2.c.GotoStep2.

\

EOP:E-3STEAMGENERATORTUBERUPTUREREV:15PAGE4of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED2IdentifyRupturedS/G(s):oUnexpectedincreaseineitherS/Gnarrowrangelevel-OR-ContinuewithSteps6through11.WHENrupturedS/G(s)identified,THENdoSteps3,4and5.oHighradiationindicationonmainsteamlineradiationmonitor~R-31forS/GA~R-32forS/GB-OR-oAOreportslocalindicationofhighsteamlineradiation-OR-oRPreportshighradiationfromS/Gactivitysample 4WJ EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV:15PAGE5of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED************x****x*%*********************CAUTIONoIFTHETDAFWPUMP.ISTHEONLYAVAILABLESOURCEOFFEEDFLOW,STEAMSUPPLYTOTHETDAFWPUMPMUSTBEMAINTAINEDFROMONES/G.oATLEASTONES/GSHALLBEMAINTAINEDAVAILABLEFORRCSCOOLDOWN.3IsolateFlowFromRupturedS/G(s):a.AdjustrupturedS/GARVcontrollerto'050psiginAUTOb.CheckrupturedS/GARV-CLOSEDb.WHENrupturedS/Gpressurelessthan1050psig,THENverifyS/GARVclosed.IFNOTclosed,THENplacecontrollerinMANUALandcloseS/GARV.IFS/GARVcanNOTbeclosed,THENdispatchAOto*locallyisolate.c.CloserupturedS/GTDAFWpumpsteamsupplyvalveandplaceinPULLSTOP~S/GA,MOV-3505A~S/GB,MOV-3504Ac.IFatleastoneMDAFWpumprunning,THENdispatchAOwithlockedvalvekeytolocallyisolatesteamfromrupturedS/GtoTDAFWpump.~S/GA,V-3505~S/GB,V-3504d.VerifyrupturedS/Gblowdownvalve-CLOSEDd.PlaceS/GblowdownandsamplevalveisolationswitchtoCLOSE.~S/GA,AOV-5738~S/GB,AOV-5737IFblowdowncanNOTbeisolatedmanually,THENdispatchAOtolocallyisolateblowdown..~S/GA,V-5701~S/GB,V-5702 a1IllI'tilU EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV15PAGE6of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED4CompleteRupturedS/GIsolation:a.CloserupturedS/GMSIV-RUPTUREDS/GMSIVCLOSEDa.Performthefollowing:1)CloseintactS/GMSIV.2)PlaceintactS/GARVcontrollerat1005psiginAUTO.3)PlacecondensersteamdumpmodeselectorswitchtoMANUAL.4)Adjustcondensersteamdumpcontrollerto1050psiginAUTO.5)Adjustreheatsteamsupplycontrollercamtoclosereheatsteamsupplyvalves.6)EnsureturbinestopvalvesCLOSED.7)DispatchAOtocompleterupturedS/Gisolation(RefertoAttachmentRUPTUREDS/G,partsAandB).b.DispatchAOtocompleterupturedS/Gisolation(RefertoAttachmentRUPTUREDS/GpartA)IFtherupturedS/GcanNOTbeisolatedfromtheintactS/G,THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANTSUBCOOLEDRECOVERYDESIRED,Step1 L~QtJ>;

EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV15PAGE7of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED**********x*a***xxxx%*xx*****************CAUTIONIFANYRUPTUREDS/GISFAULTED,FEEDFLOWTOTHATS/GSHOULDREMAINISOLATEDDURINGSUBSEQUENTRECOVERYACTIONSUNLESSNEEDEDFORRCSCOOLDOWN.5CheckRupturedS/GLevel:a.Narrowrangelevel-GREATERTHAN5%[25%adverseCNMT)a.IFrupturedS/GNOTfaulted,THENperformthefollowing:l)MaintainfeedflowtorupturedS/Guntillevelgreaterthan5%[25%adverseCNMT).2)ContinuewithStep6.WHENrupturedS/Glevelgreaterthan5%[25%adverseCNMT],THENdoSteps5bthroughe.b.CloseMDAFWpumpdischargevalv'etorupturedS/Gb.DispatchAOtolocallyclosevalve.~S/GA,MOV-4007~S/GB,MOV-4008c.PullstopMDAFWpumpforrupturedS/Gd.CloseTDAFWpumpflowcontrolvalvetorupturedS/G~S/GA,AOV-4297~S/GB,AOV-4298e.VerifyMDAFWpumpcrosstievalves-CLOSEDd.DispatchAOwithlockedvalvekeytolocallycloseTDAFWpumpmanualfeedwaterisolationvalvetorupturedS/G.~S/GA,V-4005~S/GB,V-4006e.Manuallyclosevalves.~MOV-4000A~MOV-4000B U~W~p*~gat,r.g'1 EOP:E-3ijiLE:STEAMGENERATORTUBERUPTUREREV15PAGE8of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED**********x*****x**%*********************CAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE,ITSHOULDBECLOSEDAFTERPRESSUREDECREASESTOLESSTHAN2335PSIG(REFERTOSTEP6B).**************P***x0x*0***x***************6MonitorPRZRPORVsAndBlockValves:a.PowertoPORVblockvalvesAVAILABLEa.RestorepowertoblockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:b.PORVs-CLOSED~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cb.IFPRZRpressurelessthan2335psig,THENmanuallyclosePORVs.c.Blockvalves-ATLEASTONEOPENIFanyPORVcanNOTbeclosed,THENmanuallycloseitsblockvalve.IFblockvalvecanNOTbeclosed,THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLEDRECOVERYDESIRED,Step1.c.OpenoneblockvalveunlessitwasclosedtoisolateanopenPORV.

P'>fg EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV:15PAGE9of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED7CheckIfS/GSecondarySideIsIntact:oPressureinbothS/Gs-STABLEORINCREASINGIFanyS/GpressuredecreasinginanuncontrolledmannerORcompletelydepressurized,THENverifyfaultedS/GisolatedunlessneededforRCScooldown:oPressureinbothS/Gs-GREATERTHAN100PSIG~Steamlines~FeedlinesIFfaultedS/GNOTisolated,THENgotoE-2,FAULTEDSTEAMGENERATORISOLATION,Step1.**********x%**x%xxxx**x******************CAUTIONIFCSTLEVELDECREASESTOLESSTHAN5FEET,THENALTERNATEWATERSOURCESFORAFWPUMPSWILLBENECESSARY(REFERTOER-AFW.1,ALTERNATEWATERSUPPLYTOAFWPUMPS).*******x*4*%x*x**x**%********************NOTE:TDAFWpumpflowcontrolvalvesfailopenonlossofIA.*8MonitorIntactS/GLevel:a.Narrowrangelevel-GREATERTHAN5%[25%adverseCNMT)b.Controlfeedflowtomaintainnarrowrangelevelbetween17%[25%adverseCNMT)and50%a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT)inatleastoneS/G.b.IFnarrowrangelevelin,theintactS/Gcontinuestoincreaseinanuncontrolledmanner,THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLEDRECOVERYDESIRED,Stepl.

%tkCggt EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV:15PAGE10of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED********x*x~*%x'.*xx*a*xx**xx***x*********CAUTIONIFOFFSITEPOWERISLOSTAFTERSIRESET,THEN,SELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCYD/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDSEQUIPMENT.**********xxx**xx*x***x******************9ResetSI10ResetCI:a.DepressCIresetpushbuttonb.VerifyannunciatorA-26,CNMTISOLATION-EXTINGUISHEDb.Performthefollowing:1)ResetSI.2)DepressCIresetpushbutton.**************xx**xxx********************CAUTIONRCSPRESSURESHOULDBEMONITORED.IFRCSPRESSUREDECREASESTOLESSTHAN250PSIG[465PSIGADVERSECNMT),THENTHERHRPUMPSMUSTBEMANUALLYRESTARTEDTOSUPPLYWATERTOTHERCS.**********%*****xx**x********************11CheckIfRHRPumpsShouldBeStopped:a.CheckRCSpressure:a.GotoStep12.oPressure-GREATERTHAN250psig[465psigadverseCNMTjoPressure-STABLEORINCREASINGb.StopRHRpumpsandplacebothinAUTO fA~mf+Jg~'k EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV15PAGE11of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:IfrupturedS/Gneededforcooldown,isolationisnotnecessary.12VerifyRupturedS/GIsolated:a.CheckrupturedMSIV-CLOSEDb.RupturedS/Gpressure-GREATERTHAN300PSIGa.IFonlyintactS/GMSIVcanbeclosed,THENensureairejector/glandsteamsupplyandflangeheatingsteamisolated.(RefertoATTACHMENTRUPTUREDS/G,partB).IFneitherS/GMSIVcanbeclosedTHENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANTSUBCOOLEDRECOVERYDESIRED,Step1b.GotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLEDRECOVERYDESIRED,Step1.13EstablishCondenserSteamDumpPressureControl:a.Verifycondenseravailable:oIntactS/GMSIV-OPENoAnnunciatorG-15,STEAMDUMPARMED-LITa.AdjustS/GARVcontrollerstomaintainintactS/GpressureinAUTOandgotoStep14.b.AdjustcondensersteamdumpcontrollerHC-484tomaintainintactS/GpressureandverifyinAUTOc.PlacesteamdumpmodeselectorswitchtoMANUAL

~s'I~lIc~i~gVW EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV15PAGE12of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:Followinginitiationofcontrolledcooldownordepressurization,RCPtripcriteriaisnolongerapplicable.14InitiateRCSCooldown:a.DeterminerequiredcoreexittemperaturefrombelowtableRUPTUREDSGPRESSURE1100PSIG1000PSIG900PSIG800PSIG700PSIG600PSIG500PSIG400PSIG300PSIGREQUIREDCOREEXITTEMPERATURE('F)525[505adverseCNMT)510[490adverseCNMT)500[475adverseCNMT]485[460adverseCNMT)465[440adverseCNMT)450[420adverseCNMT)425[395adverseCNMT]405[370adverseCNMT)375[330adverseCNMT)b.InitiatedumpingsteamtocondenserfromintactS/Gatmaximumrateb.ManuallyorlocallyinitiatesteamdumpfromintactS/GatmaximumrateusingS/GARV.IFnointactS/Gavailable,THENperformthefollowing:oUsefaultedS/G.-OR-c.CoreexitT/Cs-LESSTHANREQUIREDTEMPERATUREd.StopRCScooldownandmaintaincoreexitT/CslessthanrequiredtemperatureoIFbothS/Gsruptured,THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANTSUBCOOLEDRECOVERYDESIRED,Step1c.ContinuewithStep15.WHENcoreexitT/Cslessthanrequired,THENdoStep14d.

+k~f EOP:E-3TtTLE:STEAMGENERATORTUBERUPTUREREV15PAGE13of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*15MonitorAllACBusses-BUSSESENERGIZEDBYOFFSITEPOWERoNormalfeedbreakerstoall480voltbusses-CLOSEDo480voltbusvoltage-GREATERTHAN420VOLTSoEmergencyD/GoutputbreakersOPENPerformthefollowing:a.IFanyACemergencybusnormalfeedbreakeropen,THENensureassociatedD/Gbreakerclosed.b.Performthefollowingasnecessary:1)Closenon-safeguardsbustiebreakers:~Bus13toBus14tie~Bus15toBus16tie2)PlacethefollowingpumpsinPULLSTOP:~EHpumps~Turninggearoilpump~HPsealoilbackuppump3)RestorepowertoMCCs.~AfromBus13~BfromBus15~EfromBus15~FfromBus154)StartCNMTRECIRCfansasnecessary.5)WHENbus15restored,THENresetcontrolroomlighting.c.TrytorestoreoffsitepowertoallACbusses(RefertoER-ELEC.1,RESTORATIONOFOFFSITEPOWER).

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EOP:E-3STEAMGENERATORTUBERUPTUREREV'5PAGE14of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED16VerifyAdequateSWFlow:a.CheckatleasttwoSWpumpsRUNNINGa.ManuallystartSWpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpsrunning,THEN:1)EnsureSWisolation.2)DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1)b.DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1)3)GotoStep18.

<,1$y44sjf-Qy'"9,,t4'X;i EOP:E-3STEAMGENERATORTUBERUPTUREREV15PAGE26of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED30VerifyAdequateSWFlowToCCWHx:a.VerifyatleastthreeSWpumpsRUNNINGb.VerifyAUXBLDGSWisolationvalves-ATLEASTONESETOPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735a.Manuallystartpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpscanbeoperated,THENgotoStep37.b.EstablishSWtoAUXBLDG(RefertoAttachmentAUXBLDGSW).c.VerifyCNMTRECIRCfanannunciatorC-2,HIGHTEMPERATUREALARM-EXTINGUISHEDc.DispatchAOtolocallythrottleflowtoCCWHxtobetween5000gpmand6000gpmtotalflow.

4IP EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV:15PAGE27of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED31CheckIfNormalCVCSOperationCanBeEstablisheda.VerifyIArestored:oIAtoCNMT(AOV-5392)-OPENoIApressure-GREATERTHAN60PSIGa.ContinuewithStep37.WHENIArestored,THENdoSteps31through36.b.VerifyinstrumentbusDENERGIZEDc.CCWpumps-ANYRUNNINGb.EnergizeMCCB.IFMCCBNOTavailable,THENperformthefollowing:1)VerifyMCCAenergized.2)PlaceinstrumentbusDonmaintenancesupply.c.Performthefollowing:1)IFanyRCPtlsealoutlettemperatureoffscalehigh,THENisolateCCWtothermalbarrierofaffectedRCP(s).d.Chargingpump-ANYRUNNING~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV-759B2)ManuallystartoneCCWpump.d.ContinuewithStep37.WHENanychargingpumprunning,THENdoSteps32through36.

I'1'rIVIIWg EOP:E-3JIZLE:STEAMGENERATORTUBERUPTUREREV:15PAGE28of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED32CheckIfSealReturnFlowShouldBeEstablished:a.VerifyRCP¹1sealoutlettemperature-LESSTHAN235'Fb.VerifyRCPsealoutletvalvesOPEN~AOV-270A~AOV-270Ba.GotoStep33.b.Manuallyopenvalvesasnecessary.c.ResetbothtrainsofXYrelaysforRCPsealreturnisolationvalveMOV-313d.OpenRCPsealreturnisolationvalveMOV-313d.Performthefollowing:1)PlaceMOV-313switchtoOPEN.e.VerifyRCP¹1sealleakoffflowLESSTHAN5.5GPM2)DispatchAOwithkeytoRWSTgatetolocallyopenMOV-313.e.IFanyRCPsealleakoffflowgreaterthan5.5gpm,THEN:oClosetheaffectedRCPsealdischargevalve~RCPA,AOV-270A~RCPB,AOV-270Bf.VerifyRCP¹1sealleakoffflowGREATERTHAN0.25GPMoTriptheaffectedRCPIFbothRCPsealdischargevalvesareshut,THENgotoStep33.f.RefertoAP-RCP.1,RCPSEALMALFUNCTION.

I.'~I~.4Altg~Ck EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV:15PAGE29of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED33VerifyPRZRLevel-GREATERTHAN13%[40:adverseCNMT]ContinuewithStep35.WHENPRZRlevelincreasestogreaterthan13%[40%adverseCNMT],THENdoStep34.34EstablishNormalLetdown:a.EstablishcharginglineflowtoREGENHx-GREATERTHAN20GPMb.PlacethefollowingswitchestoCLOSE:~Letdownorificevalves(AOV-200A,AOV-200B,andAOV-202)~LetdownisolationvalveAOV-371~LoopBcoldlegtoREGENHxAOV-427c.PlaceletdowncontrollersinMANUALat40%open~TCV-130~PCV-135d.ResetbothtrainsofXYrelaysforAOV-371andAOV-427e.OpenAOV-371andAOV-427IFRCPsealreturnhasbeenestablished,THENestablishexcessletdownasfollows:oPlaceexcessletdowndivertvalve,AOV-312,toNORMAL.oEnsureCCWfromexcessletdownopen,(AOV-745).oOpenexcessletdownisolationvalveAOV-310.oSlowlyopenHCV-123tomaintainexcessletdowntemperaturelessthan195'Fandpressurelessthan100psig.oAdjustchargingpumpspeedasnecessary.IFRCPsealreturnNOTestablished,THENconsultTSCtodetermineifexcessletdownshouldbeplacedinservice.f.Openletdownorificevalvesasnecessaryg.PlaceTCV-130inAUTOat105'Fh.PlacePCV-135inAUTOat250psigi.AdjustchargingpumpspeedandHCV-142asnecessary Ah EOP:E-3STEAMGENERATORTUBERUPTUREREV15PAGE30of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED35CheckVCTMakeupSystem:a.AdjustboricacidflowcontrolvalveinAUTOto9.5gpmb.Verifythefollowing:1)RMWmodeselectorswitchinAUTOb.Adjustcontrolsasnecessary.2)RMWcontrolarmed-REDLIGHTLITc.CheckVCTlevel:oLevel-GREATERTHAN20%-OR-oLevel-STABLEORINCREASINGc.ManuallyincreaseVCTmakeupflowasfollows:1)EnsureBAtransferpumpsandRMWpumpsrunning.IFNOT,THENresetMCCCandMCCDUV~lockoutsasnecessary.2)PlaceRMWflowcontrolvalveHCV-111inMANUALandincreaseRMWflow.3)Increaseboricacidflowasnecessary.

I>~Mt~,M.ltCg~a~4~IPh~4 EOP:E-3STEAMGENERATORTUBERUPTUREREV:15PAGE31of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED36CheckChargingPumpSuctionAlignedToVCT:a.VCTlevel-GREATERTHAN20%a.IFVCTlevelcanNOTbemaintainedgreaterthan5%,THENperformthefollowing:1)EnsurechargingpumpsuctionalignedtoRWSToLCV-112BopenoLCV-112Cclosed2)ContinuewithStep37.WHENVCTlevelgreaterthan40%,THENdoStep36b.b.VerifychargingpumpsalignedtoVCToLCV-112C-OPENoLCV-112B-CLOSEDb.Manuallyalignvalvesasnecessary.

Pp<<4.ig%1EP EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV:15PAGE32of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED**************x**x*xxx*******************CAUTIONRCSANDRUPTUREDS/GPRESSURESMUSTBEMAINTAINEDLESSTHAN1050PSIG.***xx*******xxxxxxx*xx*x*xx****x**********37ControlRCSPressureAndMakeupFlowToMinimizeRCS-To-SecondaryLeakage:a.Performappropriateaction(s)fromtable:PRZRLEVELRUPTUREDS/GNARROWRANGELEVELINCREASINGDECREASINGOFFSCALEHIGHLESSTHAN13%[40%ADVERSECNMTJBETWEEN13%[40%ADVERSECNMT)AND50%BETWEEN50%AND75%[65%ADVERSECNMTjGREATERTHAN75%[65%ADVERSECNMT]oIncreaseRCSmakeupflowoDepressurizeRCSusingStep37bDepressurizeRCSusingStep37boDepressurizeRCSusingStep37boDecreaseRCSmakeupflowoDecreaseRCSmakeupflowIncreaseRCSmakeupflowEnergizePRZRheatersEnergizePRZRheatersEnergizePRZRheatersoIncreaseRCSmakeupflowoMaintainRCSandrupturedS/GpressureequalMaintainRCSandrupturedS/GpressureequalMaintainRCSandrupturedS/GpressureequalMaintainRCSandrupturedS/Gpressureequalb.ControlpressureusingnormalPRZRspray,ifavailable,toobtaindesiredresultsforStep37ab.IFletdownisinservice,THENuseauxiliaryspray(AOV-296).IFNOT,THENuseonePRZRPORV.

I')~4N1g'0'1I+S EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV15PAGE33of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED38CheckIfEmergencyD/GsShouldBeStopped:a.VerifyACemergencybussesenergizedbyoffsitepower:oEmergencyD/GoutputbreakersOPENa.Trytorestoreoffsitepower(RefertoER-ELEC.1,RESTORATIONOFOFFSITEPOWER).oACemergencybusvoltageGREATERTHAN420VOLTSoACemergencybusnormalfeedbreakers-CLOSEDb.StopanyunloadedemergencyD/Gandplaceinstandby(RefertoAttachmentD/GSTOP).39MinimizeSecondarySystemContamination:a.IsolaterejectfromhotwelltoCST:oPlacehotwelllevelcontroller(LC-107)inMANUALat50'.IFhotwelllevelincreasing,THENdirectRPtosamplehotwellsforactivity.oVerifyhotwelllevel-STABLEb.CheckstatusoflocalactionstocompleterupturedS/Gisolation(RefertoAttachmentRUPTUREDS/G) lIh EOP:E-3STEAMGENERATORTUBERUPTUREREV:15PAGE34of38STEPACTION/EXPECTED'ESPONSERESPONSENOTOBTAINED40EnergizePRZRHeatersAsNecessaryToSaturatePRZRWaterAtRupturedS/GPressure41CheckRCPCooling:a.CheckCCWtoRCPs:EstablishnormalcoolingtoRCPs(RefertoAttachmentSEALCOOLING).oAnnunciatorA-7,RCP1ACCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHEDoAnnunciatorA-15,RCP1BCCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHEDb.CheckRCPsealinjection:oLabyrinthsealD/Ps-GREATERTHAN15INCHESOFWATER-OR-oRCPsealinjectionflowtoeachRCP-GREATERTHAN6GPM

EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV:15PAGE35of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED******xxx*0xxxxx%xx'xx%'*x4***x****x*******CAUTIONIFRCPSEALCOOLINGHADPREVIOUSLYBEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATION.************4*4xxw*~************'*********42CheckRCPStatus:a.RCPs-ATLEASTONERUNNINGb.StopallbutoneRCPa.Performthefollowing:1)TrytostartoneRCP:a)EnsureconditionsforstartinganRCP.oBusllAor11Benergized.oRefertoAttachmentRCPSTART.b)IFRVLISlevel(noRCPs)lessthan95%,THENperformthefollowing:oIncreasePRZRleveltogreaterthan65%(80%adverseCNMTj.oDumpsteamtoestablishRCSsubcoolingbasedoncoreexitT/Cstogreaterthan20'FusingFigureMINSUBCOOLING.c)StartoneRCP.2)IFanRCPcanNOTbestarted,THENverifynaturalcirculation(RefertoAttachmentNC).IFnaturalcirculationcanNOTbeverified,THENincreasedumpingsteam.

ig$VJ~wII'gle EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV:15PAGE36of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTconditionsorlossofforcedaircoolingmayresultinfailureofNISdetectors.43CheckIfSourceRangeDetectorsShouldBeEnergized:a.SourcerangechannelsDEENERGIZEDa.GotoStep43e.b.CheckintermediaterangefluxEITHERCHANNELLESSTHAN1010AMPSb.Performthefollowing:1)IFneitherintermediaterangechannelisdecreasing,THENinitiateboration.2)ContinuewithStep44.WHENfluxisLESSTHAN10ampsonanyoperablechannel,THENdoSteps43cthroughe.c.Checkthefollowing:oBothintermediaterangechannels-LESSTHAN1010AMPSc.ContinuewithStep44.WHENeitherconditionmet,THENdoSteps43dande.-OR-oGreaterthan20minutessincereactortripd.VerifysourcerangedetectorsENERGIZEDd.ManuallyenergizesourcerangedetectorsbydepressingP-6permissivedefeatpushbuttons(2of2).IFsourcerangescan'OTberestored,THENrefertoER-NIS.1,SRMALFUNCTIONandgotoStep44.e.TransferRk-45recordertoonesourcerangeandoneintermediaterangechannel I4QA~

EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV:15PAGE37of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED44EstablishNormalShutdownAlignment:a.Checkcondenser-AVAILABLEa.DispatchAOtoperformAttachmentSD-2.b.Performthefollowing:ioOpengeneratordisconnects~1G13A71~9X13A73oPlacevoltageregulatortoOFFoOpenturbinedrainvalvesoRotatereheatersteamsupplycontrollercamtoclosevalvesoPlacereheaterdumpvalveswitchestoHANDoStopallbutonecondensatepumpc.VerifyadequateRxheadcooling:1)CheckIAtoCNMT-AVAILABLE2)Verifyatleastonecontrolrodshroudfan-RUNNING3)VerifyoneRxcompartmentcoolingfan-RUNNING1)GotoStep45.2)Manuallystartonefanaspowersupplypermits(45kw)3)Performthefollowing:oDispatchAOtoresetUVrelaysatMCCCandMCCD.oManuallystartonefanaspowersupplypermits(23kw)d.VerifyAttachmentSD-1-COMPLETE

~m,~~l~l, EOP:E-3LITLE:STEAMGENERATORTUBERUPTUREREV15PAGE38of38STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED45ConsultTSCToDetermineAppropriatePost-SGTRCooldownProcedure:oGotoES-3.1,POST-SGTRCOOLDOWNUSINGBACKFILL,Step1-OR-oGotoES-3.2,POST-SGTRCOOLDOWNUSINGBLOWDOWN,Step1-OR-oGotoES-'3.3,POST-SGTRCOOLDOWNUSINGSTEAMDUMP,Step1-END-

~lt4elhi7X EOP:E-3STEAMGENERATORTUBERUPTUREREV15PAGE1of1E-3APPENDIXLISTTITLE1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING3)ATTACHMENTCNMTRECIRCFANS4)ATTACHMENTD/GSTOP5)ATTACHMENTN2PORVS6)ATTACHMENTNC7)ATTACHMENTSEALCOOLING8)ATTACHMENTRCPSTART9)ATTACHMENTRUPTUREDS/G10)ATTACHMENTSD-111)ATTACHMENTSD-212)ATTACHMENTAUXBLDGSW13)FOLDOUTPAGES 4

EOP:E-3STEAMGENERATORTUBERUPTUREREV15PAGE1of1REDPATHSUMMARYa.SUBCRITICALITY-Nuclearpowergreaterthan5~b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan43~~[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan54[25<adverseCNMT]ANDtotalfeedwaterflowlessthan200gpmd.INTEGRITY-Coldlegtemperaturesdecreasegreaterthan100'Finlast60minutesANDRCScoldlegtemperaturelessthan285'Fe.CONTAINMENT-CNMTpressuregreaterthan60psig

'pV',IIIjfr'-Il+~"I'~fcI,I~4 EOP:E-3TITLE:STEAMGENERATORTUBERUPTUREREV15PAGE1of1FIGUREMINSUBCOOLINGNOTE:SubcoolingMargin=SaturationTemperatureFromFigureBelowt'-]CoreExitT/CIndicationRC2500240023002200210020001900180017001600140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS20PSIGSUBCOOLEDREGIONECDVERSNORMALCNMTINADEQUATESUBCOOLINGREGIONTEMPERATUREINCREMENTS10'F200250300350400450500550600650700COREEXITSATURATIONTEMPERATURE(')

J'-

EOP:E-3STEAMGENERATORTUBERUPTUREREV:15PAGE1of1SIREINITIATIONCRITERIAFOLDOUTPAGEIFeitherconditionlistedbelowoccurs,THENoperateSIpumpsmanuallyasnecessaryandgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLEDRECOVERYDESIRED,Step1:oRCSsubcoolingbasedoncoreexitT/Cs-LESSTHAN0FUSINGREQUIREMENTSOFFIGUREMINSUBCOOLING.OR24oPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN5%[304adverseCNMT).SECONDARYINTEGRITYCRITERIAIFanyS/GpressureisdecreasinginanuncontrolledmanneroriscompletelydepressurizedANDhasnotbeenisolated,THENgotoE-2,FAULTEDS/GISOLATION,Step1.3~COLDLEGRECIRCULATIONSWITCHOVERCRITERION4.5.IFRWSTleveldecreasestolessthan284,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Stepl.AFWSUPPLYSWITCHOVERCRITERIONIFCSTleveldecreasestolessthan5feet,THENswitchtoalternateAFWwatersupply(RefertoER-AFW.1,ALTERNATEWATERSUPPLYTOAFWPUMPS).MULTIPLESGTUBERUPTURECRITERIAIFanyintactS/GlevelincreasesininanuncontrolledmannerORIFanyintactS/Ghasabnormalradiation,THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLEDRECOVERYDESIRED,Step1.

tel5t EOP:ECA-2'T1TLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE1of31ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERRES0SIBLEMANAGEREFFECTIVEDATECATEGORY1.0REVIEWEDBY

EOP:ECA-2-1TLTLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE2of31A.PURPOSE-Thisprocedureprovidesactionstomitigateandminimizealossofsecondarycoolantfrombothsteamgenerators.B.ENTRYCONDITIONS/SYMPTOMS1-ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.E-2,FAULTEDSTEAMGENERATORISOLATION,whenanuncontrolleddepressurizationofbothsteamgeneratorsoccurs.

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATZONOFBOTHSTEAMGENERATORSREV:12PAGE3of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFTHETDAFWPUMPISTHEONLYAVAILABLESOURCEOFFEEDFLOW,THENSTEAMSUPPLYTOTHETDAFWPUMPMUSTBEMAINTAINEDFROMONES/G.*****************************************NOTE:oFOLDOUTpageshouldbeopenANDmonitoredperiodically.oConditionsshouldbeevaluatedforSiteContingencyReporting(RefertoEPIP1-0,GINNASTATIONEVENTEVALUATIONANDCLASSIFICATION).oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiationisgreaterthan10+R/hr.1CheckSecondaryPressureBoundary:oMSIVs-CLOSEDoMFWflowcontrolvalves-CLOSED~MFWregulatingvalves~MFWbypassvalvesoMFWpumpdischargevalvesCLOSEDVoS/GblowdownandsamplevalvesCLOSEDManuallyclosevalvesoneloopatatime.IFvalvescanNOTbeclosed,THENdispatchAOtolocallyisolateflowpaths,asnecessary,oneloopatatime.oTDAFWpumpsteamsupplyvalvesPULLSTOPoTDAFWpumpflowcontrolvalvesCLOSEDoS/GARVs-CLOSEDoDispatchAOtolocallyisolateS/Gs(RefertoAttachmentFAULTEDS/G)

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE4of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONAMINIMUMFEEDFLOWOF50GPMMUSTBEMAINTAINEDTOEACHS/GWITHANARROWRANGELEVELLESSTHAN5%[25%ADVERSECNMT].*****************************************2ControlFeedFlowToMinimizeRCSCooldown:a.CheckcooldownrateinRCScoldlegs-'ESSTHAN100'F/HRb.ChecknarrowrangelevelinbothS/Gs-LESSTHAN50%a.Decreasefeedflowto50gpmtoeachS/GandgotoStep2c.b.Controlfeedflowtomaintainnarrowrangelevellessthan50%inbothS/Gs.c.CheckRCShotlegtemperaturesSTABLEORDECREASINGc.ControlfeedflowordumpsteamtostabilizeRCShotlegtemperatures.3CheckIfRCPsShouldBeStopped:a.RCPstatus-ANYRCPRUNNINGb.SIpumps-ATLEASTTWORUNNINGc.RCSpressureminusmaximumS/Gpressure-LESSTHAN175psig[400psigadverseCNMT]d.StopbothRCPsa.GotoStep4.b.GotoStep4.'.GotoStep4.

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE5of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED4CheckCSTLevel-GREATERTHAN5FEET'witchtoalternateAFWsuctionsupply(RefertoER-AFW.1,ALTERNATEWATERSUPPLYTOAFWPUMPS).*****************************************CAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE,ITSHOULDBECLOSEDAFTERPRESSUREDECREASESTOLESSTHAN2335PSIG(REFERTOSTEP5B).*5MonitorPRZRPORVsAndBlockValves:a.PowertoPORVblockvalvesAVAILABLEb.PORVs-CLOSEDa.RestorepowertoblockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cb.IFPRZRpressurelessthan2335psig,THENmanuallyclosePORVs.c.Blockvalves-ATLEASTONEOPENIFanyPORVcanNOTbeclosed,THENmanuallycloseitsblockvalve.IFblockvalvecanNOTbeclosed,THENdispatchAOtolocallycheckbreaker.~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cc.'OpenoneblockvalveunlessitwasclosedtoisolateanopenPORV.

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE6of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED6CheckSecondaryRadiationLevels-NORMALoSteamlineradiationmonitor(R-31andR-32)oDispatchAOtolocallychecksteamlineradiationGotoE-3,STEAMGENERATORTUBERUPTURE,Stepl.oRequestRPsampleS/Gsforactivity*****************************************CAUTIONIFOFFSITEPOWERISLOSTAFTERSIRESET,THENSELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCYD/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDSEQUIPMENT.7ResetSI

EOP:ECA-2~1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV12PAGE7of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONRCSPRESSURESHOULDBEMONITORED.IF.RCSPRESSUREDECREASESTOLESSTHAN250PSIG[465PSIGADVERSECNMT],THENTHERHRPUMPSMUSTBEMANUALLYRESTARTEDTOSUPPLYWATERTOTHERCS.*8MonitorIfRHRPumpsShouldBeStopped:a.RHRpumps-ANYRUNNINGb.CheckRCSPressure:a.GotoStep9.1)Pressure-GREATERTHAN250psig[465psigadverseCNMT]2)Pressure-STABLEORINCREASING1)GotoE-l,LOSSOFREACTORORSECONDARYCOOLANT,Step1.2)GotoStep9.c.StopRHRpumpsandplaceinAUTO

EOP:ECA-2~1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE8of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*9MonitorIfCNMTSprayShouldBeStopped:a.CNMTspraypumps-RUNNINGb.Checkthefollowing:oCNMTpressure-LESSTHAN4PSIGa.GotoStep10.b.ContinuewithStep10.WHENBOTHconditionssatisfied,THENdoSteps9cthroughf.oSodiumhydroxidetanklevelLESSTHAN55%c.ResetCNMTsprayd.CheckNaOHtankoutletvalvesCLOSED~AOV-836A~AOV-836Bd.PlaceNaOHtankoutletvalvecontrollerstoMANUALandclosevalves.~AOV-836A~AOV-836Be.StopCNMTspraypumpsandplaceinAUTOf.CloseCNMTspraypumpdischargevalves~MOV-860A~MOV-860B~MOV-860C~MOV-860D, l~

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE9of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED10CheckRWSTLevel-GREATERTHAN284GotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Stepl.llResetCI:a.DepressCIresetpushbuttonb.VerifyannunciatorA-26,CNMTISOLATION-EXTINGUISHEDb.Performthefollowing:1)ResetSI.2)DepressCIresetpushbutton.12VerifyAdequateSWFlow:a.CheckatleasttwoSWpumpsRUNNINGa.ManuallystartSWpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpsrunning,THENperformthefollowing:1),EnsureSWisolation.2)DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1)b.DispatchAOtoestablishnormalshutdownalignment(RefertoAttachmentSD-1)3)GotoStep14.

EOP:ECA-2.1T!TLE:UNCONTROLLEDDEPRESSURXZATIONOFBOTHSTEAMGENERATORSREV:12PAGE10of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED13EstablishIAtoCNMT: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)C'ontinueattemptstorestoreIA(Refer,toAP-IA.1,LOSSOFINSTRUMENTAIR).2)ContinuewithStep14.WHENIArestored,THENdoSteps13eandf.

EOP:ECA-2'T!TLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE11of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED14CheckIfSIACCUMsShouldBeIsolated:a.BothRCShotlegtemperaturesLESSTHAN400'Fa.GotoStep15.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-945.15CheckNormalPowerAvailableToChargingPumps:oBus14normalfeedbreakerCLOSEDoBus16normalfeedbreaker-CLOSEDVerifyadequateemergencyD/Gcapacitytorunchargingpumps(75kweach).IFNOT,THENevaluateifCNMTRECIRCfanscanbestopped(Referto.AttachmentCNMTRECIRCFANS).

EOP;ECA-2.1T!TLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE12of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED16CheckIfChargingFlowHasBeenEstablished:a.Chargingpumps-ANYRUNNINGa.Performthefollowing:1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCP¹1sealoutlettemperatureoffscalehigh,THENdispatchAOwithkeytoRWSTgatetoclosesealinjectionneedlevalve(s)toaffectedRCP:~RCPA,V-300A~RCPB,V-300B2)EnsureHCV-142open,demandatOa.b.AlignchargingpumpsuctiontoRWST:oLCV-112B-OPENoLCV-112C-CLOSEDb.IFLCV-112BcanNOTbeopened,THENperformthefollowing:1)VerifychargingpumpANOTrunningandplaceinPULLSTOP.c.Startchargingpumpsas'ecessaryandadjustchargingflowtorestorePRZRlevel2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE13of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*17MonitorSITerminationCriteria:a.SIpumps-ANYRUNNINGb.CheckRCSpressure:oPressure-GREATERTHAN1625psig[1825psigadverseCNMT]oPressure-STABLEORINCREASINGa.GotoStep19.b.DONOTstopSIpumps'~,Performthefollowing:1)EnergizePRZRheatersandoperatePRZRsprayasnecessarytostabilizeRCSpressuregreaterthan1625psig[1825psigadverseCNMT)c.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING2)ReturntoStep2.c.DONOTstopSIpumps.ReturntoStep2.d.PRZRlevel-GREATERTHAN5%[30%adverseCNMT)d.DoNOTstopSIpumps.Performthefollowing:1)IFnormal'PRZRsprayavailable,THENtrytostabilizeRCSpressurewithPRZRspray,2)ReturntoStep17a.NOTE:FoldoutPageE-2transitioncriteriadoesnotapplywhileperformingsteps18and19.18StopSIandRHRPumpsAndPlaceInAuto

EOP:ECA2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE14of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*19MonitorSIReinitiationCriteria:a.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGa.ManuallyoperateSIpumpsasnecessaryandreturntoStep2.b.PRZRlevel-GREATERTHAN5%[30%adverseCNMT]b.ControlchargingflowtomaintainPRZRlevel.IFPRZRlevelcanNOTbemaintained,THENmanuallyoperateSIpumpsasnecessaryandreturntoStep2.20CheckRCSHotLegTemperatures-STABLEORDECREASINGControlfeedflowordumpsteamtostabilizeRCShotlegtemperatures.21CheckNarrowRangeLevelInBothS/Gs-LESSTHAN504Controlfeedflowtomaintainnarrowrangelevellessthan50%inbothS/Gs.22VerifyAdequateSWFlowToCCWHx:a.VerifyatleasttwoSWpumpsRUNNINGb.VerifyAUXBLDGSWisolationvalves-OPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735a.Manuallystartpumpsaspowersupplypermits(258kwperpump).IFlessthantwoSWpumpscanbeoperated,THENgotoStep28'.EstablishSWtoAUXBLDG(RefertoAttachmentAUXBLDGSW).c.VerifyCNMTRECIRCfanannunciatorC-2,HIGHTEMPERATUREAIARM-EXTINGUISHEDc.DispatchAOtolocallythrottleflowtoCCWHxtobetween5000gpmand6000gpmtotalflow.

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE15of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED23CheckIfNormalCVCSOperationCanBeEstablisheda.VerifyIArestored:oIAtoCNMT(AOV-5392)-OPENoIApressure-GREATERTHAN60PSIGa.ContinuewithStep28.WHENIArestored,THENdoSteps23through27.b.VerifyinstrumentbusD-ENERGIZEDb.EnergizeMCCB.IFMCCBNOTavailable,THENperformthefollowing:c.CCWpumps-ANYRUNNINGd.Chargingpump-ANYRUNNING1)VerifyMCCAenergized.2)PlaceinstrumentbusDonmaintenancesupply.c.Performthefollowing:1)IFanyRCP¹1sealoutlettemperatureoffscalehigh,THENisolateCCWtothermalbarrierofaffectedRCP(s).~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV-759B2)ManuallystartoneCCWpump.d.ContinuewithStep28.WHENanychargingpumprunning,THENdoSteps24through27.

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE16of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED24VerifyPRZRLevel-GREATERTHAN134[40%adverseCNMT]ContinuewithStep26.WHENPRZRlevelincreasestogreaterthan13%[40%adverseCNMT],THENdoStep25.25EstablishNormalLetdown:a.VerifycharginglineflowtoREGENHx-GREATERTHAN20GPMb.PlacethefollowingswitchestoCLOSE:~Letdownorifice'valves(AOV-200A,AOV-200B,andAOV-202)~AOV-371,letdownisolationvalve~AOV-427,loopBcoldlegtoREGENHxc.PlaceletdowncontrollersinMANUALat40%open~TCV-130~PCV-135d.ResetbothtrainsofXYrelaysforAOV-371andAOV-427e.OpenAOV-371andAOV-427IFRCPsealreturnhasbeenestablished,THENestablishexcessletdownasfollows:oPlaceexcessletdowndivertvalve,AOV-312,toNORMAL.oEnsureCCWfromexcessletdownopen,(AOV-745).oOpenexcessletdownisolation'alveAOV-310.oSlowlyopenHCV-123tomaintainexcessletdowntemperaturelessthan195'Fandpressurelessthan100psig.oAdjustchargingpumpspeedasnecessary.IFRCPsealreturnNOTestablished,THENconsultTSCtodetermineifexcessletdownshouldbeplacedinservice.f.Openletdownorificevalvesasnecessaryg.PlaceTCV-130inAUTOat105'Fh.PlacePCV-135inAUTOat250psigi.AdjustchargingpumpspeedandHCV-142asnecessary

EOP:ECA-2.1T1TLEUNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE17of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED26CheckVCTMakeupSystem:a.AdjustboricacidflowcontrolvalveinAUTOto9.5gpmb.AdjustRMWflowcontrolvalveinAUTOto40gpmc.Verifythefollowing:1)RMWmodeselectorswitchinAUTOc.Adjustcontrolsasnecessary.2)RMWcontrolarmed-REDLIGHTLITd.CheckVCTlevel:oLevel-GREATERTHAN20%-OR-oLevel-STABLEORINCREASINGd.ManuallyincreaseVCTmakeupflowasfollows:1)EnsureBAtransferpumps'andRMWpumpsrunning.IFNOT,THENresetMCCCandMCCDUVlockoutsasnecessary.2)PlaceRMWflowcontrolvalveHCV-111inMANUALandincreaseRMWflow.3)Increaseboricacidflowasnecessary.

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURXZATIONOFBOTHSTEAMGENERATORSREV12PAGE18of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED27CheckChargingPumpSuctionAlignedToVCT:a.VCTlevel-GREATERTHAN20%a.IFVCTlevelcanNOTbemaintainedgreaterthan5%,THENperformthefollowing:1)EnsurechargingpumpsuctionalignedtoRWSToLCV-112BopenoLCV-112Cclosed2)ContinuewithStep28.WHENVCTlevelgreaterthan40%,THENdo'tep'7b.b.VerifychargingpumpsalignedtoVCT:oLCV-112C-OPENoLCV-112B-CLOSEDb.Manuallyalignvalvesasnecessary.

EOP:ECA-'2.1TITLESUNCONTROLLEDDEPRESSURXZATZONOFBOTHSTEAMGENERATORSREV12PAGE19of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED28CheckRCPCooling:a.CheckCCWtoRCPs:EstablishnormalcoolingtoRCPs~(RefertoAttachmentSEALCOOLING).oAnnunciatorA-7,RCPlACCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHEDoAnnunciatorA-15,RCP1BCCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHEDb.Check'RCPsealinjection:oLabyrinthsealD/Ps-GREATERTHAN15INCHESOFWATER-OR-oRCPsealinjectionflovtoeachRCP-GREATERTHAN6GPM

EOP:ECA-2.1T1TLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE20of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED29CheckIfSealReturnFlowShouldBeEstablished:a.VerifyRCP¹1sealoutlettemperature-LESSTHAN235'Fb.VerifyRCPsealoutletvalvesOPENa.GotoStep30.b.Manuallyopenvalvesasnecessary.~AOV-270A~AOV-270Bc.ResetbothtrainsofXYrelaysforRCPsealreturnisolationvalveMOV-313d.OpenRCPsealreturnisolationvalveMOV-313e.VerifyRCP¹1sealleakoffflowLESSTHAN6.0GPMd.Performthefollowing:1)PlaceMOV-313switchtoOPEN.2)DispatchAOwithkeytoRWSTgatetolocallyopenMOV-313.e.Performthefollowing:1)TriptheaffectedRCP2)Allow4minutesforpumpcoastdown,THENclosetheaffectedRCPsealdischargevalvef.VerifyRCP¹1sealleakoffflowGREATERTHAN0.8GPM~RCPA,AOV-270A~RCPB,AOV-270BIFbothRCPsealdischargevalvesareshut,THENgotoStep30.f.RefertoAP-RCP.1,RCPSEALMALFUNCTION.

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE21of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:oIfauxiliarysprayisinuse,sprayflowmaybeincreasedbyclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.oWhenusingPRZRPORV,selectonewithanoperableblockvalve.30EnergizeHeatersAndOperateNormalSprayAsNecessaryToMaintainRCSPressureStableIFnormal'prayNOTavailableandletdownisinservice,THENuseauxiliarysprayvalve(AOV-296).IFPRZRsprayNOT'vailable',THENuseonePRZRPORV.IFIANOTavailable,THENrefertoAttachmentN2PORVS.

C EOP:ECA-2.1'1ILE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV12PAGE22of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED31VerifyAll,ACBusses-ENERGIZEDBYOFFSITEPONERoNormalfeedbreakerstoall480voltbusses-CLOSEDo480busvoltage-GREATERTHAN420VOLTSoEmergencyD/GoutputbreakersOPENPerformthefollowing:a.IFanyACemergencybusnormalfeedbreakeropen,THENensureassociatedD/Gbreakerclosed.b.Performthefollowing,asnecessary:1)Closenon-safeguardsbustiebreakers:~Bus13toBus14tie~'Bus15toBus16tie2)PlacethefollowingpumpsinPULLSTOP:~EHpumps~Turninggearoilpump~HPsealoilbackuppump3)RestorepowertoMCCs.~AfromBus134BfromBus15~EfromBus15~FfromBus154)WHENbus15restored,THENresetcontrolroomlighting..5)RefertoAttachmentSI/UVforotherequipmentlostwithlossofoffsitepower.c.TrytorestoreoffsitepowertoallACbusses(RefertoER-ELEC.1,RESTORATIONOFOFFSITEPOWER).

I EOP:ECA-21T!TLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE23of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFRCPSEALCOOLINGHADPREVIOUSLYBEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATIONS32CheckRCPStatus-'TLEASTONERUNNINGTrytostartoneRCP:a.EstablishconditionsforstartinganRCP.oBus11Aor11BenergizedIoRefertoAttachmentRCPSTART.b.StartoneRCP.IFanRCPcanNOTbestarted,THENverifynaturalcirculation(RefertoAttachmentNC).IFnaturalcirculationcanNOTbeverified,THENincreasefeedflowordumpingsteam.

ilk EOP:ECA-2~1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE24of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDINOTE:AdverseCNMTconditionsorlossofforcedaircoolingmayresultinfailureofNISdetectors.33CheckIfSourceRangeDetectorsShouldBeEnergized:a.SourcerangechannelsDEENERGIZEDa.GotoStep33e.b.Checkintermediate,rangeflux-EITHERCHANNELLESSTHAN1010AMPSb.Performthefollowing:1)IFneitherintermediaterangechannelisdecreasingTHENinitiateboration.2)ContinuewithStep34.WHENfluxisLESSTHAN10ampsonanyoperablechannel,THENdoSteps33c,dande.c.Checkthefollowing:oBothintermediaterangechannels-LESSTHAN10-10AMPSc.Continuewithstep34.WHENeitherconditionmet,THENdoSteps33dande.-OR-oGreaterthan20minutessincereactortripd.VerifysourcerangedetectorsENERGIZEDd.Manuallyenergizesource'rangedetectorsbydepressingP-6permissivedefeatpushbuttons(2of2).e.TransferRk-45recorder'toonesourcerangeandoneintermediaterangechannel.IFsourcerangescanNOTberestored,THENrefertoER-NIS.l,SRMALFUNCTIONandgotoStep34.

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE25of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED34CheckIfEmergencyD/GsShouldBeStopped:a.VerifyACemergencybussesenergizedbyoffsitepower:oEmergencyD/GoutputbreakersOPENa.Trytorestoreoffsitepower(RefertoER-ELEC.1,RESTORATIONOFOFFSITEPOWER).oACemergencybusvoltageGREATERTHAN420VOLTSoACemergencybusnormalfeedbreakers-CLOSEDb.StopanyunloadedemergencyD/Gandplaceinstandby(RefertoAttachmentD/GSTOP)

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE26of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED35EstablishNormalShutdownAlignment:a.Checkcondenser-AVAILABLEa.DispatchAOtoperformAttachmentSD-2.b,Performthefollowing:oOpengeneratordisconnects~1G13A71~9X13A73oPlacevoltageregulatortoOFFoOpenturbinedrainvalvesoRotatereheatersteamsupplycontrollercamtoclosevalvesoPlacereheaterdumpvalveswitchestoHANDoStopallbutonecondensatepumpc.VerifyadequateRxheadcooling:1)Verifyatleastonecontrolrodshroudfan-RUNNING1)Manuallystartonefanaspowersupplypermits(45kw)2)VerifyoneRxcompartmentcoolingfan-RUNNING2)Performthefollowing:oDispatchAOtoresetUVrelaysatMCCCandMCCD.oManuallystartonefanaspowersupplypermits(23kw)d.VerifyAttachmentSD-1-COMPLETE

EOP:ECA-F1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE27of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED36MaintainPlantConditions-STABLEControlplantsystemsasnecessarytomaintainconditionsstable.oRCSpressureoPRZRleveloRCStemperatures*37MonitorSIReinitiationCriteria:a.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGa.ManuallyoperateSIpumpsasnecessary.ReturntoStep2.b.PRZRlevel-GREATERTHAN5%[30%adverseCNMT)b.ControlchargingflowtomaintainPRZRlevel.IFPRZRlevelcanNOTbemaintained,THENmanuallyoperateSIpumpsasnecessary.ReturntoStep2~

'I'4 EOP:ECA-F1T1TLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE28of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED38CheckIfSIACCUMsShouldBeIsolated:a.Checkthefollowing:oRCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLINGa.GotoStep39.oPRZRlevel-GREATERTHAN5%[30%adverseCNMT]b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischargevalves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMdischargevalves~MOV-841~MOV-865c.VentanyunisolatedACCUMs:1)OpenventvalvesforunisolatedSIACCUMs.d.LocallyreopenbreakersforMOV-841andMOV-865~ACCUMA;AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.

EOP:ECA-2~1T!TLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE29of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED39CheckRCSHotLegControlfeedflowanddumpsteamtoTemperatures-LESSTHAN350'F.establishRCScooldownratelessthan100'F/hrinRCScoldlegs.NOTE:oIfauxiliarysprayisinuse,sprayflowmaybeincreasedbyclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.oWhenusingPRZRPORV,selectonewithoperableblockvalve.40CheckRCSPressure-LESSTHAN400PSIG[300PSIGadverseCNMT]eUsenormalPRZRspray.IFnormalsprayNOTavailableandletdownisinservice,THENuseauxiliaryspray.IFNOT,THENuseonePRZRPORV.IFIANOTavailable,THENrefertoAttachmentN2PORVS.

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE30of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED41CheckIfRHRNormalCoolingCanBeEstablished:a.RCScoldlegtemperature-LESSTHAN350'Fa.ReturntoStep37'.RCSpressure-LESSTHAN400psig[300psigadverseCNMT]c.Placeletdownpressurecontroller(PCV-135)inMANUALCLOSEDb.ReturntoStep40.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.ReturntoStep40.f.PlaceRCSoverpressureprotectionsysteminservice(Referto0-7,ALIGNMENTANDOPERATIONOFTHEREACTORVESSELOVERPRESSUREPROTECTIONSYSTEM)g.EstablishRHRnormalcooling(RefertoAttachmentRHRCOOL)f.IFRCSoverpressureprotectionsystemcanNOTbeplacedinservice,THENnotifyTSCofpotentialTechSpecviolationifRHRsystemisplacedinservice.

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE31of31STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED42ContinueRCSCooldownToColdShutdown:a.MaintaincooldownrateinRCScoldlegs-LESSTHAN100'F/HR,b.ChecknarrowrangelevelinbothS/Gs-LESSTHAN50%b.Controlfeedflowtomaintainnarrowrangelevellessthan50%'nbothS/Gs.43CheckCoreExitT/Cs-LESSTHAN200'FReturntoStep42.44EvaluateLongTermPlantStatus:a.Maintaincoldshutdownconditionsb.ConsultTSC-END-

EOP:TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE1of1ECA-2.1APPENDIXLISTTITLE1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING3)ATTACHMENTFAULTEDS/G4)ATTACHMENTCNMTRECIRCFANS5)ATTACHMENTNC6)-ATTACHMENTRCPSTART7)ATTACHMENTN2PORVS8)ATTACHMENTSEALCOOLING9)ATTACHMENTSI/UV10)ATTACHMENTD/GSTOP11)ATTACHMENTSD-112)ATTACHMENTSD-213)ATTACHMENTRHRCOOL14)ATTACHMENTAUXBLDGSW15)FOLDOUTPAGES

EOP:ECA-2.1T!TLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE1of1REDPATHSUMMARYa.SUBCRITICALITY-Nuclearpowergreaterthan54b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan43%[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan54[254adverseCNMT]ANDtotalfeedwaterflowlessthan200gpmd.INTEGRITY-Cold.legtemperaturesdecreasegreaterthan100'F'inlast60minutesANDRCScoldlegtemperaturelessthan285'Fe.CONTAINMENT-CNMTpressure.greaterthan,60psig

EOP:ECA-2.1TITLE:UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE1of1FIGUREMINSUBCOOLINGNOTE:SubcoolingMargin=SaturationTemperatureFromFigureBelow[-]CoreExitT/CIndicationSPRESSURE(PSIG)RC2500240023002200210020001900'80017001600150014001300120011001000900800700600500400300200100020RCSPRESSUREINCREHENTS20PSIGSUBCOOLEDREGIONINADEQUATESUBCOOLINGREGIONADVERSECNHTTEHPERATUREINCREHENTS10'FNORHALCNHT0'50300350400450500550600650700COREEXITSATURATIONTEHPERATURE('F)

EOP!ECA-2.1TITLE!UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORSREV:12PAGE1of1FOLDOUTPAGE1.SIREINITIATIONCRITERIAManuallyoperateSIpumpsasnecessaryifEITHERconditionlistedbelowoccurs:oRCSsubcoolingbasedoncoreexitTCs-LESSTHANO'FUSINGREQUIREMENTSOFFIGUREMINSUBCOOLINGoPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN54[304ADVERSECNMT]2.E-2TRANSITIONCRITERIAIFanyS/Gpressureincreasesatanytime(exceptwhileperformingSIterminationinSteps18and19),THENgotoE-2,FAULTEDSTEAMGENERATORISOLATION,Step1.3.COLDLEGRECIRCULATIONSWITCHOVERCRITERIONIFRWSTleveldecreasestolessthan284,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Step1.4.LOSSOFEMERGENCYCOOLANTRECIRCULATIONCRITERIONIFemergencycoolantrecirculationisestablishedandsubsequentlylost,THENgotoECA-1.1,LOSSOFEMERGENCYCOOLANTRECIRCULATION,'Step1.5.AFWSUPPLYSWITCHOVERCRITERIONIFCSTleveldecreasestolessthan5feet,THENswitchtoalternateAFWwatersupply(RefertoER-AFW.l,ALTERNATEWATERSUPPLYTOAFWPUMPS).

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