ML17262A349

Rev 5 to High Reactor Coolant Activity.

ML17262A349
Person / Time
Site:	Ginna
Issue date:	11/20/1990
From:	WIDAY J A ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17262A347	List: ML17262A346 ML17262A348 ML17262A349 ML17262A351 ML17262A352 ML17262A354 ML17262A356
References
AP-RCS.3, NUDOCS 9102070081
Download: ML17262A349 (206)

Text

ECP:AP-RCS.3TITLE:HIGHREACTORCOOLANTACTIVITYREV:5PAGE1of5ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATE40PTSUPERNTNDENT-cgQ-9bEFFECTIVE DATECATEGORY1.0REVIEWEDBY:9i0207008i 9i020ilPDRADDCK050002m<PDR

/PQ'1IIt1~k EOP,:AP-RCS.3HIGHREACTORCOOLANTACTIVITYREV:5PAGE2of5A.PURPOSE-Thisprocedure providesguidancenecessary tooperatetheplantwithindication ofhighreactorcoolantactivity.

B.ENTRYCONDITIONS/SYMPTOMS 1.SYMPTOMS-ThesymptomsofHIGHREACTORCOOLANTACTIVITYare;a.Unexplained increaseinletdownlinemonitor,R-9,orb.Samplingindicates I-131equivalent GREATERTHAN0.2uCi/gm,orc.Samplingindicates grossdegassedactivityGREATERTHAN20uCi/gm,ord.Samplingindicates thattotalspecificactivityexceeds84/E.

~'g(,""

AP-RCS.3TITLE:HIGHREACTORCOOLANTACTIVITYREV5PAGE3of5STEPACTION/BXPECTED RESPONSERESPONSENOTOBTAINED*****************************************

CAUTIONIFLETDOWNPLOWEXCEEDS60GPMWHENUSINGAOV-202,D/PACROSSTHECVCSDBMINERALIZERS SHOULDBEMONITORED TOVERIPYTHATFLOWISCONTINUING THROUGHTHEDI'S.HOWEVER,FLOWTHROUGHTHEDI'SSHOULDNOTEXCEED90GPM.1VerifyRCSActivity:

a.DirectHP-TOSAMPLERCSFORACTIVITYb.RCSactivity-GREATERTHANNORMAL(CheckwithHPDepartment fornormalactivity) b.IPnormalactivityverified, THENdirectI8Ctocheckoperability ofR-9,letdownlinemonitor,ANDreturntonormaloperations.

2IncreaseLetdownFlowTo60GPMa.Verifydeborating DIi'solated-DIVERTVLVCATIONDEBORDIAOV-244INBYPASSPOSITIONb.PlacePCV-135tomanualANDad)ustasnecessary

-TOCONTROLLETDOWNPRESSUREa.PlaceAOV-244inbypassposition.

c.Changeorifices-CLOSE40GPMORIPICEANDOPEN60GPMLTDNORIFICEAOV-202IMMBDIATELY d.Ad)ustletdownpressure-TOAPPROXIMATELY 250PSIGe.ReturnPCV-135-TOAUTO,IFDBSIRBD

+44t,(,~Vaa EOP.:AP-RCS.3LITLE:HIGHREACTORCOOLANTACTIVITYREV'PAGE4of5STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Referto0-9.3,NRCIMMEDIATE NOTIFICATION, forreporting requirements.

3CheckAreaMonitorR9LetdownLine-LESSTHAN200MR/HRABOVEBACKGROUND RefertoEPIP1-0,GINNASTATIONEVENTEVALUATION ANDCLASSIFICATION.

• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • CAUTIONWHENANEWDIISVALVEDIN,THEREMAYBEAPLUSORMINUSREACTIVITY ADDITIONDUETOABORONCHANGE.(REFERTOS-3.2BTOPREVENTAREACTIVITY CHANGE.)4VerifyProperOperation OfLetdownDI-DECONTAMINATION FACTORGREATERTHAN10IFDIefficiency isNOTacceptable, THENplaceanewmixedbedinservice.(RefertoS-4.5.7A, ALETDOWNMIXEDBEDDIRESINREPLACEMENT, ORS-4.5.7B, BLETDOWNMIXEDBEDDIRESINREPLACEMENT).

5.CheckSamplingRequirements REFERTOTECHNICAL SPECIFICATION TABLE4.1-46CheckIfContinued PlantPowerOperation Allowed:oContinued plantpoweroperation

-ALLOWED,REFERTOTECHNICAL SPECIFICATION SECTION3.1.4IFshutdownisrequired, THENreferto0-2.1,NORMALSHUTDOWNTOHOTSHUTDOWN.

8lk'V$it EOP:AP-RCS.3HIGHREACTORCOOLANTACTIVITYREV:5PAGE5of5STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED7CheckAuxBldgForIncreased Radiation Levels:a.NotifyHPDepartment

-TOSURVEYAUXBLDGb.AuxBldgradiation levels-NORMAL(CheckwithHPfornormalreadings) b.IFAuxBldgradiation levelsindicateabovenormal,THENhaveHPDepartment establish controlsforthehigherradiation areas.8Complete-NOTIFICATION TOHIGHERSUPERVISION ANDTHEREACTORENGINEER9CheckConditions ForOffsiteReporting:

oReferto-EPIP1-0,GINNASTATIONEVENTEVALUATION ANDCLASSIFICATION

-END-I~8h0P4h EOP:ES-0'NATURALCIRCULATION COOLDOWNREV:5PAGE1of17ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATE4P/7~PLANTSUPERINTENDENT 4-/1-5'8EFFECTIVE DATECATEGORY1.0REVIEWEDBY:

ES-0.2T!TLENATURALCIRCULATION COOLDOWNREV:5PAGE2of17A.PURPOSE-Thisprocedure providesactionstoperformanaturalcirculation RCScooldownanddepressurization tocoldshutdown, withnoaccidentinprogress, underrequirements thatwillprecludeanyupperheadvoidformation.

B.SYMPTOMSANDORENTRYCONDITIONS Thisprocedure isenteredfrom:1)ES-0.1,REACTORTRIPRESPONSE, whenithasbeendetermined thatanaturalcirculation cooldownisrequired.

2)ECA-0',LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIRED/

whenithasbeendetermined thatanaturalcirculation cooldownisrequired.

3)Othernormaloperating procedures

'whenanaturalcirculation cooldownisrequired.

'r EOP:ES-0'T1TLE:NATURALCIRCULATION COOLDOWNREV:5PAGE3of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoIFSIACTUATION OCCURSDURINGTHISPROCEDURE, E-O,REACTORTRIPORSAFETYINJECTION, SHOULDBEPERFORMED.

oIFRCPSEALCOOLINGHADPREVIOUSLY BEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATION.

NOTE:Foldoutpageshouldbeopenandmonitored periodically.

• 1MonitorConditions ForRCPRestart:a.Establish conditions forstartinganRCP:oBus11Aor11Benergiz.ed oRefertoAttachment RCPSTARTb.StartoneRCPc.AnyRCP-RUNNINGd.Goto0-2.2,PLANTSHUTDOWNFROMHOTSHUTDOWNTOCOLDCONDITION a.GotoStep2.c.GotoStep2.

.

EOPsES-0'T!TLE:NATURALCIRCULATION COOLDOWNREV:5PAGE4of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED2CheckVCTMakeupSystem:a.Verifythefollowing:

l)Boricacidflowcontrolvalve-SETFORREQUIREDCSDCONCENTRATION 2)RMWmodeselectorswitchinAUTO3)RMWcontrolarmed-REDLIGHTLITb.CheckVCTleveloLevel-GREATERTHAN20$-OR-oLevel-STABLEORINCREASING b.ManuallyincreaseVCTmakeupflowasfollows:1)EnsureBAtransferpumpsandRMWpumpsrunning.2)PlaceRMW,flowcontrolvalveHCV-illinMANUALandincreaseRNWflow.3)Increaseboricacidflowasnecessary.

EOP:ES-0'NATURALCIRCULATION COOLDOWNREV'PAGE5of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED3CheckChargingPumpSuctionAlignedToVCT:a.CheckVCTlevel:oLevel-GREATERTHAN20%oVCTmakeupsystem-AVAILABLE a.IFVCTlevelcanNOTbemaintained greaterthan5%,THENperformthefollowing:

1)EnsurechargingpumpsuctionalignedtoRWSToLCV-112BopenoLCV-112Cclosed2)ContinuewithStep4.WHENVCTlevelgreaterthan40$,THENdoStep3b.b.Verifythefollowing:

oLCV-112C-OPENoLCV-112B-CLOSEDb.Manuallyalignvalvesasnecessary.

4BorateRCSToColdShutdownBoronConcentration (RefertoFigureSDM)5Establish MaximumRxVesselHeadCooling:oCheckcontrolrodshroudfans(45,kw)-BOTHRUNNINGoCheckoneRxcompartment coolingfan(23kw)-RUNNINGStartfansasnecessary.

EOP:ES-0'NATURALCIRCULATION COOLDOWNREV:5PAGE6of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED6VerifyAdequateShutdownMargina.DirectHPtosampletheRCSforboronconcentration

~RCSloopA~RCSloopB~PRZRb.Verifyboronconcentration-GREATER-THANREQUIREMENTS OFFIGURESDMb.Performthefollowing:

1)MaintainRCSaveragetemperature greaterthan500'FuntiladequateSDMestablished.

2)Continuetoborateasnecessary.

'II~x~~

EOP:ES-0.2T]ILE:NATURALCIRCULATION COOLDOWNREV:5PAGE7of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoIFCSTLEVELDECREASES TOLESSTHAN5FEET,THENALTERNATE WATERSOURCESFORAFWWILLBENECESSARY (REFERTOER-AFW.1)

ALTERNATE WATERSUPPLYTOAFWPUMPS).oSIMUSTBEBLOCKEDBEFORES/GPRESSUREDECREASES TO514PSIG.oTHEhTBETWEENPRZRLIQUIDANDTHEHOTLEGTEMPERATURE SHOULDNOTBEPERMITTED TOEXCEED200'F.IFTHISLIMITISEXCEEDED, THENNOTIFYTECHNICAL ENGINEERING OFTHEMAXIMUMhTOBSERVED.

7InitiateRCSCooldownToColdShutdown:

a.Dumpsteamtocondenser b.Establish andmaintaincooldownrateinRCScoldlegs-LESSTHAN25'F/HRc.MaintainS/GnarrowrangelevelBETWEEN17$AND39%a.ManuallyorlocallydumpsteamusingS/GARVs.c.Controlfeedflowasnecessary.

d.PlotRCScoldlegtemperatures andPRZRtemperature twiceperhour(Referto0-2.2,PLANTSHUTDOWNFROMHOTSHUTDOWNTOCOLDSHUTDOWN, forplotpaper)8Check:RCS HotLegTemperatures

-LESSTHAN550'FReturntoStep7.

IH-I EOPtES-0.2TlTLE:NATURALCIRCULATION COOLDOWNREV:5PAGE8of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:oIfcharginglinetoPRZRvaporhTexceeds320'F,thenplantstaffshouldbeconsulted beforeusingauxiliary spray.oWHENusingaPRZRPORV,THENselectonewithanoperableblockvalve.oIfauxiliary sprayisinuse,sprayflowmaybeincreased byclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.9Depressurize RCSTo1950PSIG:a.Checkletdown-INSERVICEa.Trytoestablish letdown(RefertoAttachment LETDOWN).

b.Depressurize RCSusingauxiliary sprayvalve(AOV-296)

IFletdowncanNOTbeestablished, THENdepressurize RCSusingonePRZRPORVandgotoStep10.b.IFauxiliary sprayvalveNOTavailable, THENuseonePRZRPORV.

FOP:ES-0'T!TLE.NATURALCIRCULATION COOLDONNREV:5PAGE9of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED**************************4'*************CAUTIONSIACTUATION CIRCUITSWILLAUTOMATICALLY UNBLOCKIFPRZRPRESSUREINCREASES TOGREATERTHAN1992PSIG.******************************************10MonitorSIBlockCriteria:

a.Checkthefollowing:

oPRZRpressure-LESSTHAN1950PSIGa.ReturntoStep9.-OR-oLOWPRZRPRESSBLOCKSAFINJECstatuslight-LIThb.PlaceSIblockswitchestoBLOCK~TrainA~TrainBc.VerifySAFETYINJECTION BLOCKEDstatuslight-LITc.MaintainPRZRpressuregreaterthan1750psigandS/Gpressuregreaterthan514psiguntilSIblocked.11Determine RCSPressureAndTemperature Limits-.a.Checkcontrolrodshroudfans-BOTHRUNNINGb.MaintainRCSpressure-WITHINLIMITSOFFIGURENATCIRCC/DWITHSHROUDFANSa.Performthefollowing:

1)MaintainRCSpressurewithinlimitsofFigureNATCIRCC/DWITHOUTSHROUDFANS.2)GotoStep12.

lO' ES-0.2T1TLE!NATURALCIRCULATION COOLDOWNREV5PAGE10of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*12MaintainPRZRLevelBetween204And304*13MonitorRCSCooldown:

oCoreexitT/Cs-DECREASING oRCShotlegtemperatures-DECREASING oRCSsubcooling basedoncoreexitT/Cs-INCREASING oCooldownrateinRCScoldlegs-LESSTHAN25'F/HR

EOP$ES-0.2TITLE$NATURALCIRCULATION COOLDOWNREV:5PAGE11of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONVOIDINGMAYOCCURINTHERCSDURINGRCSDEPRESSURIZATION.

THISWILLRESULTINARAPIDLYINCREASING PRZRLEVEL.NOTE:oIfatanytimeitisdetermined thatanaturalcirculation cooldownanddepressurization mustbeperformed ataratethatmayformasteamvoidinthevessel,thenprocedure ES-0.3,NATURALCIRCULATION COOLDOWNWITHSTEANVOIDINVESSEL,shouldbeused.oIfcharginglinetoPRZRvaporATexceeds320'F,thenplantstaffshouldbeconsulted beforeusingauxiliary spray.oWHENusingaPRZRPORV,THENselectonewithanoperableblockvalve.oIfauxiliary sprayisinuse,sprayflowmaybeincreased byclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves,14InitiateRCSDepressurization:

a.Checkletdown-INSERVICEb.Depressurize RCSusingauxiliary sprayvalve(AOV-296) c.Plot:"RCStemperature andpressureoncurveselectedinStep11hourlya.Trytoestablish letdown(RefertoAttachment LETDOWN).

IFletdowncanNOTbeestablished, THENdepressurize RCSusingonePRZRPORVandgotoStep15.b.IFauxiliary sprayvalveNOTavailable, THENuseonePRZRPORV.

EOP:ES-0'NATURALCIRCULATION COOLDOWNREV:5PAGE12of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED15ContinueCooldownAndDepressurization:

a.CheckRCScoldlegtemperature-GREATERTHAN335'Fb.MaintaincooldownrateinRCScoldlegs-LESSTHAN25'F/HRc.MaintainRCStemperature andpressurewithinlimitsofFiguredetermined previously a.Stabilize RCStemperature andgotoStep15c.c.ControlRCSpressureasneces'sary torestorepressure/

temperature relationship towithinlimitsofapproprite Figure.16Establish RequiredRCSHydrogenConcentration (RefertoS-3.3C,H2OR02REMOVALFROMPRIMARYSYSTEMBYBURPINGVCT)17CheckForSteamVoidInReactorVessel:Repressurize RCSwithinallowable limitsandcontinuecooldown.

oPRZRlevel-NOUNEXPECTED LARGEVARIATIONS oRVLISlevel(noRCPs)-GREATERTHAN95%IFRCSdepressurization mustcontinue, THENgotoES-0.3,NATURALCIRCULATION COOLDOWNWITHSTEAMVOIDINVESSEL.

CI,Vlt4l EOPtES-0'NATURALCIRCULATION COOLDONNREV:5PAGE13of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED18CheckIfSIACCUMsShouldBeIsolated:

a.RCSpressure-LESSTHAN1500PSIGb.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischarge valves~'MOV-841, MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMdischarge valves~ACCUMA)MOV-841~ACCUMB,MOV-865a.ContinuewithStep19.WHENRCSpressureislessthan1500psig,THENdoSteps18bthroughd.c.IFanyvalvecanNOTbeclosed,THENperformthefollowing:

1)Dispatchpersonnel tolocallyclosevalves,asnecessary.

2)MaintainRCSpressuregreaterthan1000psiguntilbothSIACCUMsisolated.

IFanySIACCUMcanNOTbeisolatedANDRCSdepressurization tolessthan1000psigisrequired, THEN;1)Openventvalvesforunisolated SIACCUMs,~ACCUMA,AOV-834A~ACCUMB,AOV-834Bd.LocallyopenbreakersforMOV-841andMOV-8652)OpenHCV-945.3)MaintainRCSpressuregreaterthanSIACCUMpressure.

EOP:ES-0.2NATURALCIRCULATION COOLDOWNREV:5PAGE14of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*19MaintainLetdownFlow:a.Openletdownorificevalvesasnecessary b.Adjustlowpressureletdowncontrolvalvesetpointasnecessary

• 20MaintainRequiredRCPSealInjection FlowAndLabyrinth SealD/P:oLabyrinth sealD/PtoeachRCP-GREATERTHAN15INCHESOFWATERPerformthefollowing:

oAdjustchargingflowtoREGENHx(HCV-142) asnecessary.

-OR-oSealinjection flowtoeachRCP-GREATERTHAN6GPMoDispatchAOtoadjustsealinjection needlevalvesifnecessary.

~RCPA,V-300A~RCPB,V-300B 4

EOP:ES-0'NATURALCIRCULATION COOLDOWNREV'PAGE15of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED21CheckIfSISystemNormalShutdownAlignment ShouldBeEstablished:

a.RCScoldlegtemperature

-LESSTHAN350'Fa.ReturntoStep15.b,RCSpressure-LESSTHAN1500PSIGc.LockoutSIsystemasfollows:1)PlaceallSIpumpswitchesinPULLSTOPb.Stabilize RCStemperature andreturntoStep14.2)LocallyclosebreakersforSI.pumpdischarge valvestocoldlegs~MOV-878B, MCCDposition8C~MOV-878D, MCCDposition8F3)CloseSIpumpdischarge tocoldlegs~MOV-878B~MOV-878D4)LocallyopenbreakersforMOV-878BandMOV-878D Pt EOPtES-0.2TITLE:NATURALCIRCULATION COOLDOWNREV5PAGE16of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED22CheckIfRHRNormalCoolingCanBeEstablished:

a.RCSpressure-LESSTHAN400PSIGb.VerifyallSIpumpswitchesinPULLSTOPa.Stabilize RCStemperature andreturn.toStep14.b.ReturntoStep21.c.SampletheRHRsystemtoensureadequateboronconcentration (RefertoAttachment RHRSAMPLE)d.PlaceRCSoverpressure protection systeminservice(Referto0-7,ALIGNMENT ANDOPERATION OFTHEREACTORVESSELOVERPRESSURE PROTECTION SYSTEM)e.Establish RHRnormalcooling(RefertoAttachment RHRCOOL)d.IFRCSoverpressure protection systemcanNOTbeplacedinservice,THENconsultPlantstafftodetermine ifRHRnormalcoolingshouldbeestablished andgotoStep23.23ContinueRCSCooldownToCold.Shutdown*****************************************CAUTIONDEPRESSURIZING THERCSBEFORETHEENTIRERCSISLESSTHAN200'FMAYRESULTINADDITIONAL VOIDFORMATION INTHERCS.24ContinueCooldownOfInactivePortionOfRCS:a.Coolupperheadregionusingcontrolrodshroudfansb.CoolS/GU-tubesbydumpingsteamfromallS/Gs

EOP:ES-O.'T1TLE:NATURALCIRCULATION COOLDOWNREV:5PAGE17of17STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFLESSTHANTWOCONTROLRODSHROUDFANSARERUNNING,THEUPPERHEADREGIONMAYREMAINABOVE200'FFORUPTO29HOURSAFTERREACHINGCSD.25Determine IfRCSDepressurization IsPermitted:

a.EntireRCS-LESSTHAN200'F~CoreexitT/Cs~UpperheadT/Cs~RCShotlegtemperature

~RCScoldlegtemperature b.Checkcontrolrodshroudfanstatus-BOTHRUNNINGDURINGCOOLDOWNc.Maintaincoldshutdownconditions (Referto0-2.3,PLANTATCOLDSHUTDOWN) a.DoNOTdepressurize RCS.ReturntoStep23.b.ConsultPlantstafftodetermine waitperiodforupperheadcooling.-END-I EOP;ES-0'T1TLENATURALCIRCULATION COOLDOWNREV:5PAGE1of1ES-0.2APPENDIXLISTTITLEPAGES1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING 3)FIGURESDM4)FIGURENATCIRCC/DWITHOUTSHROUDFANS5)FIGURENATCIRCC/DWITHSHROUDFANS6)ATTACHMENT RCPSTART7)ATTACHMENT LETDOWN8)ATTACHMENT RHRCOOL9)ATTACHMENT RHRSAMPLE10)FOLDOUT

EOP:ES-0'NATURALCIRCULATION COOLDOWNREV:5PAGE1of1REDPATHSUMMARYa.SUBCRITICALITY

-Nuclearpowergreaterthan5%b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan43%[46%adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan5%[25%adverseCNMT]ANDtotalfeedwater flowlessthan200gpmd.INTEGRITY

-Coldlegtemperatures decreasegreaterthan100'Finlast60minutesANDRCScoldlegtemperature lessthan285'Fe.CONTAINMENT

-CNMTpressuregreaterthan60psig

EOP!ES-0'TiTLE:NATURALCIRCULATION COOLDOWNREV:5PAGE1of1FIGUREMINSUBCOOLING NOTE:Subcooling Margin=Saturation Temperature FromFigureBelow[-]CoreExitT/CIndication RC25002400230022002100200019001800170016001500OIwoo13001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS 20PSIGSUBCOOLED REGIONADVERSECNMTNORMALCNMTINADEQUATE SUBCOOLINGREGIONTEMPERATURE INCREMENTS 10'F200250300350400450500550600650700COREEXITSATURATION TEMPERATURE

('F)

EOP:ES-0.2T!TLE:NATURALCIRCULATION COOLDOWNREV5PAGE1of1BORONCONCENTRATION (PPH)1800FIGURESDM1600BORONINCREHENTS 20PPH140012001000ADEQUATESDH100PPHCONSERVATISHINCLUDED8OO600400BORATE200BURNUPINCREHENTS 100HWD/HTU01000200030004000500060007000800090001000011000CYCLE22BURNUP(HWD/HTU)

NOTE:Toobtaincoreburnup,usePPCSturnoncodeBURNUP.

h,A" EOP0ES-0'T!TLE:NATURALCIRCULATION COOLDOWNREV:5PAGE1of1RCS2500PRESSURE(PSIG)FIGURENATCIRCCDWITHOUTSHROUDFANS240023002200210020001900180017001600RCSPRESSUREINCREHENTS 20PSIGRCStempforS/GSI(514psig)SIUNBLOCKNORHALRANGE150014001300120011001000900800700600500400300200100[2]Wait29hrsbeforedecreasing RCSpressurelessthan350psigtopreventboilinginupperhead[1]Wait11hrsbeforedecreasing RCSpressurelessthan1600psigTEHPERATURE INCREHENTS 10'F050100150'200250300350400450500550600650700RCSCOLDLEGTEHPERATURE

('F)

EOP:ES-0.2TlTLE:NATURALCIRCULATION COOLDOWNREV:5PAGE1ofIRCSPRESSURE(PSIG)2500FIGURENATCIRCCDWITHSHROUDFANS240023002200210020001900180017001600150014001300120011001000900800700600500400300200iooRCSPRESSUREINCREMENTS 20PSIGRCStempforS/GSI(514psig)SIUNBLOCKA.V0IDNORMALRANGETEMPERATURE INCREMENTS 10'F050100150200250300350400450500550600650700RCSCOLDLEGTEMPERATURE

('F)

EOP:ES-0'TlTLE:NATURALCIRCULATION COOLDOWNREV:5PAGE1of11~2~FOLDOUTPAGERCTICRTERIAIFBOTHconditions listedbelowoccur,THENtripbothRCPs:a.SIpumps-ATLEASTTWORUNNINGb.RCSpressureminusmaximumS/Gpressure-LESSTHAN175PSIGSIPUMPAUTOSWITCHOVER CRITERION WHENBASTleveldecreases to104,THENensureSIpumpautomatic switchover toRWST.3~SIACTUATION CRITERIAIFEITHERcondition listedbelowoccurs,THENactuateSIandgotoE-O,REACTORTRIPORSAFETYINJECTION, Step1.oRCSsubcooling basedoncoreexitT/Cs-LESSTHANO'FUSINGREQUIREMENTS OFFIGUREMINSUBCOOLING OR-oPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN54AFWSUPPLYSWITCHOVER CRITERION IFCSTleveldecreases tolessthan5feet,THENswitchtoalternate AFWwatersupply(RefertoER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).

"Sy EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:10PAGE1of23ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATEPLANTSUPERINTENDENT EFFECTIVE DATECATEGORY1.0.REVIEWEDBY:

P EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE2of23A.PURPOSE-Thisprocedure providesactionstocooldownanddepressurize theRCStocoldshutdownconditions following alossofreactorcoolantinventory.

B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS

-Thisprocedure isenteredfrom:E1gLOSSOFREACTORORSECONDARY COOLANTgwhenRCSpressureisgreaterthantheshutoffheadpressureoftheRHRpumps.

EOP:ES-1s2TITLE:POST.LOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE3of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoIFRWSTLEVELDECREASES TOLESSTHAN28%,THENTHESISYSTEMSHOULDBEALIGNEDFORCOLDLEGRECIRCULATION USINGES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, STEPl.oIFPRZRLEVELISLESSTHAN50%ORIFADVERSECNMTCONDITIONS EXIST,THENPRZRHEATERSSHOULDNOTBEENERGIZED UNTILPRZRLEVELISEVALUATED BYTHETSC.oRCSPRESSURESHOULDBEMONITORED.

IFRCSPRESSUREDECREASES TOLESSTHAN250PSIG[465PSIGADVERSECNMT],THERHRPUMPSMUSTBEMANUALLYRESTARTED TOSUPPLYWATERTOTHERCS.NOTE:oFoldoutpageshouldbeopenandmonitored periodically.

1oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10+R/hr.*IMonitorIfRHRPumpsShouldBeStopped:a.CheckRCSpressure:

1)Pressure-GREATERTHAN250psig[465psigadverseCNMT]2)Pressure-STABLEORINCREASING a.GotoStep2.b.StopRHRpumpsandplaceAUTO

EOP:ES-1.2POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:10PAGE4of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*2MonitorAllACBusses-BUSSESENERGIZED BYOFFSITEPOWERoNormalfeedbreakerstoall480voltbusses-CLOSEDo480busvoltage-GREATERTHAN420VOLTSoEmergency D/GoutputbreakersOPENa.IFanyACemergency busnormalfeedbreakeropen,THENensureassociated D/Gbreakerclosed.b.Performthefollowing, asnecessary:

1)Closenon-safeguards bustiebreakers:

~Bus13toBus14tie~Bus15toBus16tie2)Placethefollowing pumpsinPULLSTOP'EHpumps~Turninggearoilpump~HPsealoilbackuppump3)RestorepowertoMCCs.~AfromBus13~BfromBus15~EfromBus15~FfromBus154)WHENbus15restored, THENresetcontrol.roomlighting.

5)RefertoAttachment SI/UVforotherequipment lostwithlossofoffsitepower.c.TrytorestoreoffsitepowertoallACbusses(RefertoER-ELEC.1, RESTORATION OFOFFSITEPOWER).

EOP:ES-1'POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE5of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED3Establish 75GPMChargingFlaw:a.Chargingpumps-ANYRUNNINGa.Performthefollowing:

1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCP¹1sealoutlettemperature offscalehigh,THENdispatchAOwithRWSTareakeytolocallyisolatesealinjection toaffectedRCP'V-300AforRCPA~V-300BforRCPB2)EnsureHCV-142open,demandat0%.b.AlignchargingpumpsuctiontoRWST'LCV-112B-OPENoLCV-112C-CLOSEDb.IFLCV-112BcanNOTbeopened,THENperformthefollowing:

1)VerifychargingpumpANOTrunningandplaceinPULLSTOP.c.Startchargingpumpsasnecessary (75kweach)andestablish 75gpmtotalchargingflow2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).~Charginglineflow~Sealinjection flow

EOP!ES-1.2TITLE!POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE6of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED4Establish Condenser SteamDumpPressureControl:a.Verifycondenser available:

oAnyMSIV-OPENoAnnunciator G-15,STEAMDUMPARMED-LITa.PlaceS/GARVcontrollers inAUTOatdesiredpressureandgotoStep5.b.Ad)ustcondenser steamdumpcontroller HC-484todesiredpressureandverifyinAUTOc.PlacesteamdumpmodeselectorswitchtoMANUAL*****************************************CAUTIONIFCSTLEVELDECREASES TOLESSTHAN5FEET,THENALTERNATE WATERSOURCESFORAFWPUMPSWILLBENECESSARY (REFERTOER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS),NOTE:TDAFWpumpflowcontrolvalvesfailopenonlossofIA.*5MonitorIntactS/GLevels:a.Narrowrangelevel-GREATERTHAN5S[25$adverseCNMT)b.Controlfeedflowtomaintainnarrowrangelevelbetween17%[25%adverseCNMT]and50%a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]inatleastoneS/G.b.IFnarrowrangelevelinanyS/Gcontinues toincreaseinanuncontrolled manner,THENgotoE-3,STEAMGENERATOR TUBERUPTURE,Step1.

EOP:ES-1.2POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE7of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Shutdownmarginshouldbemonitored duringRCScooldown(RefertoFigureSDM).6InitiateRCSCooldownToColdShutdown:

a.Establish andmaintaincooldownrateinRCScoldlegs-LESSTHAN100'F/HRb.UseRHRsystemifinservicec.Dumpsteamtocondenser fromintactS/G(s)c.ManuallyorlocallydumpsteamusingintactS/GsARV.7CheckRCSSubcooling'ased OnCoreExitT/Cs-GREATERTHANO'FUSINGFIGUREMINSUBCOOLING ManuallyoperateSIpumpsasnecessary andgotoStep19.8CheckSIandRHRPumpStatus:oSIpumps-ANYRUNNING-OR-GotoStep15.oRHRpumps-ANYRUNNINGININJECTION MODE9PlacePRZRHeaterSwitchesInTheFollowing Positions:

oPRZR'eater controlgroup-PULLSTOP'PRZRheaterbackupgroup-OFF "i

EOP:ES-1.2TLTLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE8of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONVOIDINGMAYOCCURINTHERCSDURINGRCSDEPRESSURIZATION.

THISWILLRESULTINARAPIDLYINCREASING PRZRLEVEL.NOTE:oWHENusingaPRZRPORV,THENselectonewithanoperableblockvalve.oIfauxiliary sprayisinuse,sprayflowmaybeincreased byclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.10Depressurize RCSToRefillPRZR:a.Depressurize usingnormalPRZRsprayifavailable a.Depressurize usingonePRZRPORV.IFIANOTavailable, THENrefertoAttachment N2PORVS.b.PRZRlevel-GREATERTHAN13%[40$adverseCNMT]c.StopRCSdepressurization IFnoPORVavailable, THENuseauxiliary sprayvalve(AOV-296).

b.ContinuewithStepll.WHENlevelgreaterthan13%[40$adverseCNMTJ,THENstopRCSdepressurization.

4 EOP:ES-1.2T1TLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:10PAGE9of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFRCPSEALCOOLINGHADPREVIOUSLY BEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATION.

• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 11CheckIfAnRCPShouldBeStarted:a.BothRCPs-STOPPEDb.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.Stopallbut'oneRCPandgotoStep12.b.GotoStep19,c.PRZRlevel-GREATERTHAN13%[40$adverseCNMT]c.ReturntoStep10.d.TrytostartanRCP1)Establish conditions forstartinganRCPoBus11Aor11Benergized oRefertoAttachment RCPSTARTd.IFIAtoCNMTavailable, THENensureatleastonecontrolrodshroudfanrunning(45kweach).2)StartoneRCP II EOP:ES-1.2POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:10PAGE10of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED12CheckIfOneOfThreeSIPumpsShouldBeStopped:a.ThreeSIpumps-RUNNINGb.RCSsubcooling basedoncoreexitT/Cs-GREATERTHAN35'F[90'FadverseCNMT]USINGFIGUREMINSUBCOOLING c.CheckPRZRlevel-GREATERTHAN13%[40%adverseCNMT]d.StoponeSIpumpa.GotoStep13.b.IFRCShotlegtemperatures greaterthan325'F[270'FadverseCNMT]ORIFRHRnormalcoolinginservice,THENgotoStep19.IFRHRnormalcoolingNOTinserviceANDRCShotlegtemperatures lessthan325'F[270'FadverseCNMT],THENensureatleastoneRHRpumprunningininjection modeandgotoStep12c.IFnoRHRpumpcanbeoperatedininjection mode,THENgotoStep19.c.DoNOTstopSIpump.ReturntoStep10.

EOP!ES-1.2TlTLE~POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE11of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED13CheckIfOneOfTwoSIPumpsShouldBeStopped:a.TwoSIpumps-RUNNINGb.Determine requiredRCSsubcooling fromtable:a.GotoStep14.ChargingPumpAvailability NONEONETHREERCSSubcooling Criteria120'F[200'FadverseCNMT]115'F[190'FadverseCNMT]105'F[180'FadverseCNMT]100'F[175'FadverseCNMT)c.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANVALUEFROMTABLEABOVEUSINGFIGUREMINSUBCOOLING c.IFRCShotlegtemperatures greaterthan325'F[270'FadverseCNMT]ORIFRHRnormalcoolinginservice,THENgotoStep19.d.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]e.StoponeSIpumpIFRHRnormalcoolingNOTinserviceANDRCShotlegtemperatures lessthan325'F[270'FadverseCNMT],THENensureatleastoneRHRpumprunningininjection modeandgotoStep13d.IFnoRHRpumpcanbeoperatedininjection mode,THENgotoStep19.d.DoNOTstopSIpump.ReturntoStep10.

1 EOP:ES-1.2TITLEtPOSTLOCACOOLDOWNANDDEPRESSURIZATION REV'0PAGE12of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED14CheckIfLastSIPumpShouldBeStopped:a.OneSIpump-RUNNINGb.Determine requiredRCSsubcooling fromtable:a.'FanyRHRpumprunningininjection mode,THENgotoStep19.IFNOT,THENgotoStep15.ChargingPumpAvailability NONEONETWOTHREERCSSubcooling CriteriaInsufficient subcooling tostopSIpump.255'F[295'FadverseCNMT]235'F[285'FadverseCNMT]210'F[270'FadverseCNMT]c.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANVALUEFROMTABLEABOVEUSINGFIGUREMINSUBCOOLING c.IFRCShotlegtemperatures greaterthan325'F[270'FadverseCNMT]ORIFRHRnormalcoolinginservice,THENgotoStep19.IFRHRnormalcoolingNOTinserviceANDRCShotlegtemperatures lessthan325'F[270'FadverseCNMT],THEN,ensureatleastoneRHRpumprunningininjection modeandgotoStep14d.IFnoRHRpumpcanbeoperatedininjection mode,THENgotoStep19.d.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]e.StoprunningSIpumpd.DoNOTstopSIpump.ReturntoStep10.

EOP:ES-1'TITLE$POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE13of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED15CheckIfChargingFlowShouldBeControlled ToMaintainPRZRLevel:a.CheckRHRpumps-RUNNINGININJECTION MODEb.GotoStep19a.StartchargingpumpandcontrolchargingflowtomaintainPRZRlevelandgotoStep16.*****************************************CAUTIONIFRCPSEALCOOLINGHADPREVIOUSLY BEENLOST,THENTHEAFFECTEDRCPSHOULDNOTBESTARTEDPRIORTOASTATUSEVALUATION.

16CheckRCPStatus:a.RCPs-ATLEASTONERUNNINGa.Performthefollowing:

1)Establish conditions forstartinganRCP:oVerifyBus11Aor11Benergized.

oRefertoAttachment RCPSTART.2)StartoneRCP.IFanRCPcanNOTbestarted,THENverifynaturalcirculation (RefertoAttachment NC).IFnaturalcirculation NOTverified, THENincreasedumpingsteam.b.StopallbutoneRCP-w EOP:ES-1'POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:10PAGE14of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONVOIDINGMAYOCCURINTHERCSDURINGRCSDEPRESSURIZATION.

THISWILLRESULTINARAPIDLYINCREASING PRZRLEVEL.NOTE:oWHENusingaPRZRPORV,THENselectonewithanoperableblockvalve.oIfauxiliary sprayisinuse,sprayflowmaybeincreased byclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.17Depressurize RCSToMinimizeRCSSubcooling:

a.Depressurize usingnormalPRZRsprayifavailable a.IFnormalsprayNOTavailable, THENuseonePRZRPORV.IFIANOTavailable, THENrefertoAttachment N2PORVS.b.EnergizePRZRheatersasnecessary c.Depressurize RCSuntilEITHERofthefollowing conditions satisfied:

IFnoPRZRPORVavailable, THENuseauxiliary sprayvalve(AOV-296).

oRCSsubcooling basedoncoreexitT/Cs-LESSTHAN10'FUSINGFIGUREMINSUBCOOLING

-OR-oPRZRlevel-GREATERTHAN.75%[65%adverseCNMT]

EOP:ES-1.2T!TLEPOSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE15of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED18VerifyAdequateShutdownMargina.DirectHPtosampleRCSforboronconcentration b.Verifyboronconcentration-GREATERTHANREQUIREMENTS OFFIGURESDMb.Borateasnecessary.

• 19MonitorSIReinitiation Criteria:

a.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.ManuallyoperateSIpumpsasnecessary andgotoStep20.b,PRZRlevel-GREATERTHAN5%[30%adverseCNMT]b.ManuallyoperateSIpumpsasnecessary andreturntoStep10.

EOP$ES-1.2.T1TLE$POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE16of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED20CheckIfSIACCUMsShouldBeIsolated:

a.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING b.PRZRlevel-GREATERTHAN5%[30%adverseCNMT]c.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischarge valves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cd.CloseSIACCUMdischarge valves~ACCUMA,MOV-841~ACCUMB,MOV-865e.LocallyreopenbreakersforMOV-841andMOV-865a.IFbothRCShotlegtemperatures lessthan400'F,THENgotoStep20c.IFNOT,THENgotoStep21.b.ReturntoStep10.d.Ventanyunisolated ACCUMs:1)Openventvalvesforunisolated SIACCUMs.~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.

EOP:ES-1.2POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:10PAGE17of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED21CheckIfEmergency D/GsShouldBeStopped:a.VerifyACemergency bussesenergized byoffsitepower:oEmergency D/GoutputbreakersOPENa.Trytorestoreoffsitepower(RefertoER-ELEC.l, RESTORATION OFOFFSITEPOWER).oACemergency busvoltage-GREATERTHAN420VOLTSoACemergency busnormalfeedbreakers-CLOSEDb.Stopanyunloadedemergency D/Gandplaceinstandby(RefertoAttachment D/GSTOP)22VerifyAdequateSWFlowToCCWHx:a.VerifyatleasttwoSWpumps-RUNNINGb.VerifyAUXBLDGSWisolation valves-OPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735c.VerifyCNMTRECIRCfanannunciator C-2,HIGHTEMPERATURE ALARM-EXTINGUISHED a.Manuallystartpumpsaspowersupplypermits(258kwperpump).IFlessthantwoSWpumpscanbeoperated, THENgotoStep23.b.Establish SWtoAUXBLDG(RefertoAttachment AUXBLDGSW).c.DispatchAOtolocallythrottleflowtoCCWHxtobetween5000gpmand6000gpmtotalflow.

'

EOP:ES-1.2T!TLE0POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE18of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED23CheckRCPCoolinga.CheckCCWtoRCPsEstablish normalcoolingtoRCPs(RefertoAttachment SEALCOOLING).

oAnnunciator A-7,RCPlACCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHED oAnnunciator A-15,RCP1BCCWRETURNHIGHTEMPORLOWFLOWEXTINGUISHED b.CheckRCPsealin)ection oLabyrinth sealD/Ps-GREATERTHAN15INCHESWATER-OR-oRCPsealinjection flovtoeachRCP-GREATERTHAN6GPM 3It EOP:ES-1'POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE19of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED24CheckIfSealReturnFlowShouldBeEstablished:

a.Verifyinstrument busD-ENERGIZED b.VerifyRCP¹1sealoutlettemperature

-LESSTHAN235'Fc.VerifyRCPsealoutletvalvesOPEN~AOV-270A~AOV-270Ba.Restorepowertoinstrument busDfromMCCBorMCCA(maintenance supply).b.GotoStep25.c.Manuallyopenvalvesasnecessary.

d.ResetbothtrainsofXYrelaysforRCPsealreturnisolation valveMOV-313e.OpenRCPsealreturnisolation valveMOV-313f.VerifyRCP¹1sealleakoffflow-LESSTHAN5.5GPMg.VerifyRCP¹1sealleakoffflowGREATERTHAN0.25GPMe.Performthefollowing:

1)PlaceMOV-313switchtoOPEN,2)DispatchAOwithkeytoRWSTgatetolocallyopenMOV-313.f.IFanyRCPsealleakoffflowgreaterthan5.5gpm,THENperformthefollowing:

oClosetheaffectedRCPsealdischarge valve~RCPA,AOV-270A~RCPB,AOV-270BoTriptheaffectedRCPIFbothRCPsealdischarge valvesareshut,THENgotoStep25'.RefertoAP-RCP.l, RCPSEALMALFUNCTION.

EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE20of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTconditions orlossofforcedaircoolingmayresultinfailureofNISdetectors.

25CheckXfSourceRangeDetectors ShouldBeEnergized:

a.SourcerangechannelsDEENERGIZED a.GotoStep25e.b,Checkintermediate rangeflux-EITHERCHANNELLESSTHAN1010AMPSb.Performthefollowing:

1)IFneitherintermediate rangechannelisdecreasing, THENinitiateboration.

2)ContinuewithStep26.WHENfluxisLESSTHAN10ampsonanyoperablechannel,THENdoSteps25c,dande.c.Checkthefollowing:

oBothintermediate rangechannels-LESSTHAN10AMPSc.ContinuewithStep26.WHENeithercondition met,THENdoSteps25dande.-OR-oGreaterthan20minutessincereactortripd.Verifysourcerangedetectors-ENERGIZED d.Manuallyenergizesourcerangedetectors bydepressing P-6permissive defeatpushbuttons (2of2).IFsourcerangescanNOTberestored, THENrefertoER-NIS.l, SRMALFUNCTION andgotoStep25.e.TransferRk-45recordertoonesourcerangeandoneintermediate rangechannel

EOP$ES-1'TITLE$POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE21of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED26Establish NormalShutdown.Alignment:

a.Checkcondenser

-AVAILABLE a.DispatchAOtoperformAttachment SD-2.b.Performthefollowing:

oOpengenerator disconnects

~1G13A71~9X13A73oPlacevoltageregulator toOFFoOpenturbinedrainvalvesoRotatereheatersteamsupplycontroller cerntoclosevalvesoPlacereheaterdumpvalveswitchestoHANDoStopallbutonecondensate pumpc.VerifyadequateRxheadcooling:1)CheckIAtoCNMT-AVAILABLE 1)GotoStep26d.2)Verifyatleastonecontrolrodshroudfan-RUNNING3)VerifyoneRxcompartment coolingfan-RUNNING2)Manuallystartonefanaspowersupplypermits(45kw)3)Performthefollowing:

oDispatchAOtoresetUVrelaysatMCCCandMCCD.oManuallystartonefanaspowersupplypermits(23kw)d.VerifyAttachment SD-1-COMPLETE

EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:10PAGE22of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED27CheckIfRCPsMustBeStopped:a.RCPs-ANYRUNNINGb.Checkthefollowing:

oRCP¹1sealD/P-LESSTHAN220PSIDa.GotoStep28.b.GotoStep28.-OR-oRCP¹1sealleakoff-LESSTHAN0.25GPMc.StopaffectedRCP(s)28CheckCondenser SteamDumpAvailable

-CONDENSER VACUUMGREATERTHAN20INCHESHGUseintactS/G'ARVforRCStemperature control.29CheckIfRHRNormalCoolingCanBeEstablished:

a.RCScoldlegtemperature

-LESSTHAN350'Fa.ReturntoStep1.b.RCSpressure-LESSTHAN400psig[300psigadverseCNMT]c.PlaceRCSoverpressure protection systeminservice(Referto0-7,ALIGNMENT ANDOPERATION OFTHEREACTORVESSELOVERPRESSURE PROTECTION SYSTEM)d.ConsultTSCtodetermine ifRHRnormalcoolingshouldbeestablished usingAttachment RHRCOOLb.GotoStep30.

EOP:,ES-1.2T!TLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE23of23STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Thisprocedure shouldbecontinued whileobtaining CNMThydrogensampleinStep30.30CheckCNMTHydrogenConcentration:

a.DirectHPtostartCNMThydrogenmonitorsasnecessary

)b.Hydrogenconcentration

-LESSTHAN0.5%b.ConsultTSCtodetermine ifhydrogenrecombiners shouldbeplacedinservice.31CheckCoreExitT/Cs-LESSTHAN200'FReturntoStepl.32EvaluateLongTermPlantStatus:a.Maintaincoldshutdownconditions b.ConsultTSC-END-

EOPES-1.2T!TLEIPOSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE1of1ES-1.2APPENDIXLISTTITLE1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING 3)FIGURESDM4)ATTACHMENT SEALCOOLING5)ATTACHMENT RCPSTART6)ATTACHMENT NC7)ATTACHMENT D/GSTOP8)ATTACHMENT SD-19)ATTACHMENT SD-210)ATTACHMENT SI/UV11)ATTACHMENT N2PORVS12)ATTACHMENT RHRCOOL13)ATTACHMENT AUXBLDGSW14)FOLDOUTPAGES

EOP:ES-1.2TITLE!POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:10PAGE1of1REDPATHSUMhG&Ya.SUBCRITICALITY

-Nuclearpowergreaterthan5%b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan43%[46%adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan5%[25%adverseCNMT]ANDtotalfeedwater flowlessthan200gpmd.INTEGRITY

-Coldlegtemperatures decreasegreaterthan100'Finlast60minutesANDRCScoldlegtemperature lessthan285'Fe.CONTAINMENT

-CNMTpressuregreaterthan60psig

EOP:ES-1.2T!TLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:10PAGE1of1FIGUREMINSUBCOOLING NOTE:Subcooling Margin=Saturation Temperature FromFigureBelow[-]Core.ExitT/CIndication RC25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS 20PSIGSUBCOOLED REGIONADVERSECNMTNORMALCNMTINADEQUATE SUBCOOLING REGIONTEMPERATURE INCREMENTS 10'F200250300350400450500550600650700COREEXITSATURATION TEMPERATURE

('F) 1t EOP:ES-1.2TITLE:POSTLOCACOOLDOWNANDDEPRESSURIZATION REV10PAGE1of1BORONCONCENTRATION (PPM)1800FIGURESDM1600BORONINCREMENTS 20PPM140012001000ADEQUATESDM100PPMCONSERVATISM INCLUDED800600400BORATE200BURNUPINCREMENTS 100MWD/MTU01000200030004000500060007000800090001000011000CYCLE22BURNUP(MWD/HTU)

NOTE:Toobtaincoreburnup,usePPCSturnoncodeBURNUP.

8 EOP:ES-1.2T!TLE0POSTLOCACOOLDOWNANDDEPRESSURIZATION REV:10PAGE1of1FOLDOUTPAGE1.SIREINITIATION CRITERIAIFEITHERcondition listedbelowoccurs,THENmanuallyoperateSIpumpsasnecessary:

oRCSsubcooling basedoncoreexitT/Cs-LESSTHANO'FUSINGFIGUREMINSUBCOOLING

-OR-oPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN54[304adverseCNMT]2~SITERMINATION CRITERIAIFALLconditions listedbelowoccur,THENgotoES-1.1,SITERMINATION, Step1:a.RCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'FUSINGFIGUREMINSUBCOOLING b.Totalfeedflowtointact-S/Gs

-GREATERTHAN200GPM-OR-NarrowrangelevelinatleastoneintactS/G-GREATERTHAN54[254adverseCNMT]c.RCSpressure:

oGREATERTHAN1625PSIG[1825psigadverseCNMT]oSTABLEORINCREASING d.PRZRlevel-GREATERTHAN54[304adverseCNMT]3.SECONDARY INTEGRITY CRITERIAIFanyS/Gpressureisdecreasing inanuncontrolled manneroriscompletely depressurized ANDhasnotbeenisolated, THENgotoE-2,FAULTEDS/GISOLATION, Step1.4.COLLEGCIRCULATION SWITCHOVER CRITERION IFRpSTleveldecreases tolessthan284,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, Step1.5.AFWSUPPLYSWITCHOVER CRITERION IFCSTleveldecreases tolessthan5feet,THENswitchtoalternate AFWwatersupply(RefertoER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS)~6.E-3TRANSITION CRITERIAIFanyS/Glevelincreases inanuncontrolled manneroranyS/Ghasabnormalradiation, THENgotoE-3,STEAMGENERATOR TUBERUPTURE,Step1.

EOPoES-3~1TITLE:POST-SGTR COOLDOWNUSINGBACKFILLREV:6PAGE1of9ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORC'EVIEW DATEPLANTSUPERINTENDENT EFFECTIVE DATE'ATEGORY1.0REVIEWEDBY:

ps-ES-3.1POST-SGTR COOLDOWNUSINGBACKFILLREV6PAGE2of9A.PURPOSE-Thisprocedure providesactionstocooldownanddepressurize theplanttocoldshutdownconditions following aSGTR.Thisrecoverymethoddepressurizes therupturedS/GbydrainingitthroughtherupturedS/GtubesintotheRCS.B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS

-Thisprocedure isenteredfrom:a.E-3STEAMGENERATOR TUBERUPTURE&,

ifplantstaffselectsbackfillmethod.b.ES-3.2,POST-SGTR COOLDOWNUSINGBLOWDOWNg whenblowdownisnotavailable andplantstaffselectsbackfill.

method.

VIil4 EOP:ES-3.1T!TLE0POST-SGTR COOLDOWNUSINGBACKFILLREV:6PAGE3of9STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONINADVERTANT CRITICALITY MAYOCCURFOLLOWING NATURALCIRCULATION COOLDOWNIFTHERCPINTHERUPTUREDLOOPISSTARTEDFIRST.JNOTE:oFOLDOUTpageshouldbeopenANDmonitored periodically.

oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10+OR/hr.1EnergizePRZRHeatersAsNecessary ToSaturatePRZRWaterAtRupturedS/GPressure.

J~8I EOPES-3.1-TITLE:POST-SGTR COOLDOWNUSINGBACKFILLREV:6PAGE4of9STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED2CheckIfSIACCUMsShouldBeIsolated:

a.Checkthefollowing:

oRCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.GotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1.oPRZRlevel-GREATERTHAN5S[30%adverseCNMT)b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischarge valves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMoutletvalves~ACCUMA,MOV-841~ACCUMB,MOV-865d.LocallyreopenbreakersforMOV-841andMOV-865c.Ventanyunisolated ACCUMs:1)Openventvalvesforunisolated SIACCUMs.~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.

It EOP:ES-F1ETlTLE:POST-SGTR COOLDOWNUSINGBACKFILLREV:6PAGE5of9STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:LeakagefromrupturedS/GintoRCSwilldiluteRCSboronconcentration.

3VerifyAdequateShutdownMargina.DirectHPtosampleRCSandrupturedS/Gforboronconcentration b.Verifyboronconcentration-GREATERTHANREQUIREMENTS OFFIGURESDMb.Borateasnecessary.

• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • CAUTIONIFCSTLEVELDECREASES TOLESSTHAN5FEET,THENALTERNATE WATERSOURCESFORAFWPUMPSWILLBENECESSARY (REFERTOER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).NOTE:TDAFWpumpflowcontrolvalvesfailopenonlossofIA.*4MonitorIntactS/GLevel:a.Narrowrangelevel-GREATERTHAN5%[25%adverseCNMT]b.Controlfeedflowtomaintainnarrowrangelevelbetween17%[25%adverseCNMT)and50%a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]intheintactS/G.b.IFnarrowrangelevelintheintactS/Gcontinues toincreaseinanuncontrolled manner,THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Stepl.

S-r EOP:ES-3.1T1TLE!POST-SGTR COOLDOWNUSINGBACKFILLREV:6PAGE6of9STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:SincerupturedS/Gmaycontinuetodepressurize tolessthantheminimumRCSpressurenecessary forcontinued RCPoperation, cooldowntocoldshutdownshouldnotbedelayed.5InitiateRCSCooldownToColdShutdown:

a.Establish andmaintaincooldownrateinRCScoldlegs-LESSTHAN100'F/HRb.UseRHRsystemifinservicec.Dumpsteamtocondenser fromintactS/Gc.ManuallyorlocallydumpsteamusingintactS/GARV.IFnointactS/Gavailable andRHRsystemNOTinservice,THENperformthefollowing:

oUsefaultedS/G.-OR-oGotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1.*6MonitorRupturedS/GNarrowRangeLevel-LEVELGREATERTHAN174[254adverseCNMT]RefillrupturedS/Gto67%[55%adverseCNMT]usingfeedflow.IFeitherofthefollowing conditions occurs,THENstopfeedflowtorupturedS/G:oRupturedS/Gpressuredecreases inanuncontrolled manner.-OR-oRupturedS/Gpressureincreases to1020psig.

gl EOP:ES-3'POST-SGTR COOLDOWNUSINGBACKFILLREV:6PAGE7of9STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*7ControlRCSMakeupFlowAndLetdownToMaintainPRZRLevel:a.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]b.PRZRlevel-LESSTHAN75%[65%adverseCNMT]a.IncreaseRCSmakeupflowas.necessary andgotoStep8.b.DecreaseRCSmakeupflowto'ecreaselevelandgotoStep10.NOTE:TheupperheadregionmayvoidduringRCSdepressurization ifRCPsarenotrunning.Thismayresultinarapidlyincreasing PRZRlevel.*8Depressurize RCSToBackfillFromRupturedS/G:a.Depressurize usingnormalPRZRspraya.IFletdownisinservice,THENdepressurize usingauxiliary sprayvalve(AOV-296),

IFNOT,THENuseonePRZRPORV.b.MaintainPRZRlevel-BETWEEN13%AND75%[BETWEEN40%AND65%adverseCNMT]c.CheckrupturedS/Glevel-GREATERTHAN5$[25%adverseCNMT]d.EnergizePRZRheatersasnecessary e.MaintainRCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'FUSINGFIGUREMINSUBCOOLING c.StopRCSdepressurization.

EOP:ES-3.1POST-SGTR COOLDOWNUSINGBACKFILLREV:6PAGE8of9STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED9Establish Recpxired RCSHydrogenConcentration (RefertoS-3.3C,H2Or02REMOVALFROMPRIMARYSYSTEMBYBURPINGVCT)10CheckIfRHRNormalCoolingCanBeEstablished:

a.RCScoldlegtemperature

-LESSTHAN,350'Fb.RCSpressure-LESSTHAN400psig[300psigadverseCNMT]c.PlaceRCSoverpressure protection systeminservice(Referto0-7,ALIGNMENT ANDOPERATION OFTHEREACTORVESSELOVERPRESSURE PROTECTION SYSTEM)d.Establish RHRnormalcooling(RefertoAttachment RHRCOOL)a.GotoStep11.b.GotoStep11,c.IFRCSoverpressure protection systemcanNOTbeplacedinservice,THENnotifyTSCofpotential TechSpecviolation ifRHRsystemisplacedinservice.*ll'onitorRCPOperation:

a.RCPs-ANYRUNNINGb.Checkthefolloving:

oRCP¹1sealD/P-LESSTHAN220PSIDa.GotoStep12.b.GotoStep12.-OR-oCheckRCPsealleakage-LESSTHAN0.25GPMc.StopaffectedRCP(s)

EOP:ES-3.1POST-SGTR COOLDOWNUSINGBACKFILLREV:6PAGE9of9STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED12CheckCoreExitT/Cs-LESSTHAN200'FReturntoStep3.13EvaluateLongTermPlantStatus:a.Maintaincoldshutdownconditions (Referto0-2.3,PLANTATCOLDORREFUELING SHUTDOWN) b.ConsultTSC'END-

EOP:ES-3'POST-SGTR COOLDOWNUSINGBACKFILLREV',PAGE1of1ES-3.1APPENDIXLISTTITLE1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING 3)FIGURESDM4)ATTACHMENT RHRCOOL5)FOLDOUTPAGES Ia,g EOP:ES-3'POST-SGTR COOLDOWNUSINGBACKFILLREV6PAGE1of1REDPATHSUMMARYa.SUBCRITICALITY

-Nuclearpowergreaterthan54b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-'oreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan434[46%adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan54[254adverseCNMT)ANDtotalfeedwater flowlessthan200gpmd.INTEGRITY

-Coldlegtemperatures decreasegreaterthan100'Finlast60minutesANDRCScoldlegtemperature lessthan285'Fe.CONTAINMENT

-CNMTpressuregreaterthan60psig I'

EOP:ES-3'POST-SGTR COOLDOWNUSINGBACKFILLREV:6PAGE1of1FIGUREMINSUBCOOLING NOTE:Subcooling Margin=Saturation Temperature FromFigureBelow[-]CoreExitT/CIndication RC25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS 20PSIGSUBCOOLED REGIONADVERSECNHTNORMALCNHTINADEQUATE SUBCOOLINGREGIONTEMPERATURE INCREMENTS 10'F200250300350400450500550600650700COREEXITSATURATION TEMPERATURE

('F) l'~~~tl EOPtES-F1T1TLE:POST-SGTR COOLDOWNUSINGBACKFILLREV:6PAGE1of1BORONCONCENTRATION (PPH)1800FIGURESDM1600BORONINCREMENTS 20PPM140012001000ADEQUATESDH100PPHCONSERVATISM INCLUDED80O600400BORATE200BURNUPINCREMENTS 100HWD/MTU01000200030004000500060007000800090001000011000CYCLE22BURNUP(HWD/HTU)

NOTE:Toobtaincoreburnup,usePPCSturnoncodeBURNUP.

EOP!ES-3~1TITLE:POST-SGTR COOLDOWNUSINGBACKFILLREV:6PAGE1of11~SIREINITIATION CRITERIFOLDOUTPAGE2~IFeithercondition listedbelowoccurs,THENoperateSIpumpsmanuallyasnecessary andgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1:oRCSsubcooling basedoncoreexitT/Cs-LESSTHANO'USINGREQUIREMENTS OFFIGUREMINSUBCOOLING.

ORoPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN54[30%adverseCNMT].SECONDARY INTEGRITY CRITERIAIFanyS/Gpressureisdecreasing inanuncontrolled manneroriscompletely depressurized ANDhasnotbeenisolated, THENgotoE-2,FAULTEDS/GISOLATION, Step1.3.COLDLEGRECIRCULATION SWITCHOVER CRITERION 4~5.IFRWSTleveldecreases tolessthan284,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, Step1.AFWSUPPLYSWITCHOVER CRITERION IFCSTleveldecreases tolessthan5feet,THENswitchtoalternate AFWwatersupply(RefertoER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).MULTIPLESGTUBERUPTURECRITERIAIFanyintactS/Glevelincreases ininanuncontrolled mannerORIFanyintactS/Ghasabnormalradiation, THENgo'tO,.ECA-3

'<SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1.

i' EOP:ES-3'POST-SGTR COOLDOWNUSINGBLOWDOWN'EV:7PAGE1of10ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATELANTSUPERINTENDENT 4-i0-9GEFFECTIVE DATECATEGORY1.0REVIEWEDBY:

l~i F.OPES-3.2POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE2of10A.PURPOSE-Thisprocedure providesactionstocooldownanddepressurize theplanttocoldshutdownconditions following aSGTR.Thisrecoverymethoddepressurizes therupturedS/GbydrainingviaS/Gblowdown.

B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS

-Thisprocedure isenteredfrom:a.E-3STEAMGENERATOR TUBERUPTURE,ifplantstaffselectstheblowdownmethod.

E~as EOPES-3'T1TLE:POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE3of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:oFOLDOUTpageshould.beopenANDmonitored periodically.

oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10+R/hr.1EnergizePRZRHeatersAsNecessary ToSaturatePRZRWaterAtRupturedS/GPressure2CheckIfSIACCUMsShouldBeIsolated:

a.Checkthefollowing:

oRCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.GotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1.oPRZRlevel-GREATERTHAN5%[30%adverseCNMT]b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischarge valves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMoutletvalves~ACCUMA,MOV-841~ACCUMB)MOV-865c.Ventanyunisolated ACCUMs:1)Openventvalvesforunisolated SIACCUMs.d.LocallyreopenbreakersforMOV-841andMOV-865~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.

%~'Ie~

EOP:ES-3'T1TLE:POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE4of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:LeakagefromrupturedS/GintoRCSwilldiluteRCSboronconcentration.

3VerifyAdequateShutdownMargina.DirectHPtosampleRCSandrupturedS/Gforboronconcentration b.Verifyboronconcentration-GREATERTHANREQUIREMENTS OFFIGURESDMb.Borateasnecessary.

• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • CAUTIONIFCSTLEVELDECREASES TOLESSTHAN5FEET,THENALTERNATE WATERSOURCESFORAFWPUMPSWILLBENECESSARY (REFERTOER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).NOTE:TDAFWpumpflowcontrolvalvesfailopenonlossofIA.*4MonitorIntactS/GLevel:a.Narrowrangelevel-GREATERTHAN5%[25%adverseCNMT]b.Controlfeedflowtomaintainnarrow,rangelevelbetween17%[25%,.adverseCNMT]and50%a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]inintactS/G.b.IFnarrowrangelevelintheintactS/Gcontinues toincreaseinanuncontrolled manner,THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1, a4 EOP!ES-3'T!TLK:POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE5of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:SincerupturedS/Gmaycontinuetodepressurize tolessthantheminimumRCSpressurenecessary forcontinued RCPoperation, cooldowntocoldshutdownshouldnotbedelayed.5InitiateRCSCooldownTo350'F:a.Establish andmaintaincooldownrateinRCScoldlegs-LESSTHAN100'F/HRb.Dumpsteamtocondenser fromintactS/Gb.Manuallyorlocallydumpsteam~fromintactS/GusingS/GARV.IFnointactS/Gavailable, THENperformthefollowing:

oUsefaultedS/G.-OR-oGotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANTSUBCOOLED RECOVERYDESIRED,Stepl.

P0 ES-3~2T1TLE:POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE6of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONRCSANDRUPTUREDS/GPRESSURES MUSTBEMAINTAINED LESSTHAN1050PSIG.*6ControlRCSPressureAndMakeupFlowToMinimizeRCS-To-Secondary Leakage:a.Performappropriate action(s) fromtable:PRZRLEVELRUPTUREDS/GNARROWRANGELEVELINCREASING DECREASING OFFSCALEHIGHLESSTHAN13%[40%ADVERSECNMT]oIncreaseRCSmakeupflowoDepressurize RCSusingStep6b,IncreaseRCSoIncreaseRCSmakeupflowmakeupflowoMaintainRCSandrupturedS/GpressureequalBETWEEN13%[40%ADVERSECNMT]AND50%BETWEEN50%AND75%[65%ADVERSECNMT]GREATERTHAN75%[65%ADVERSECNMT]Depressurize RCSusingStep6b.oDepressurize RCSusingStep6b.oDecreaseRCSmakeupflowoDecreaseRCSmakeupflowEnergizePRZRheatersEnergizePRZRheatersEnergizePRZRheatersMaintainRCSandrupturedS/Gpressureequal.MaintainRCSandrupturedS/GpressureequalMaintainRCSandrupturedS/Gpressureequalb.UsenormalPRZRspraytoobtaindesiredresultsforStep6ab.IFletdownisinservice,THENuseauxiliary spray(AOV-296).

IFNOT,THENuseonePRZRPORV.

EOP:ES-3'TITLE:POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE7of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED7Establish RequiredRCSHydrogenConcentration (RefertoS-3.3C,H2OR02REMOVALFROMPRIMARYSYSTEMBYBURPINGVCT)8CheckIfRCSCooldownShouldBeStopped:a.RCScoldlegtemperatures

-LESSTHAN350'Fa.ReturntoStep3.b.StopRCScooldownc.MaintainRCScoldlegtemperature

-LESSTHAN350'F*9MonitorRupturedS/GNarrowRangeLevel-LEVELGREATERTHAN174[254adverseCNMT]RefillrupturedS/Gto67%[55%adverseCNMT]usingfeedflow.IFeitherofthefollowing conditions occurs,THENstopfeedflowtorupturedS/G:oRupturedS/Gpressuredecreases inanuncontrolled manner.-OR-oRupturedS/Gpressureincreases to1020psig.NOTE:BlowdownfromrupturedS/GmaybestoppedwhenRHRsystemisplacedinservice.10ConsultTSCToDetermine Appropriate Procedure ToEstablish BlowdownFromRupturedS/GIFblowdowncanNOTbeinitiated, THENgotoalternate post-SGTR cooldownprocedure, ES-3.1,POST-SGTR COOLDOWNUSINGBACKFILL, Step1,ORES-3.3,POST-SGTR COOLDOWNUSINGSTEAMDUMP,Step1.

EOPsES-3.2TITLE~POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE8of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*11ControlRCSMakeupFlowAndLetdownToMaintainPRZRLevel:a.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]b.PRZRlevel-LESSTHAN75%[65%adverseCNMT]a.IncreaseRCSmakeupflowasnecessary andgotoStep12.b.Decreases RCSmakeupflowtodecreaselevelandgotoStep13.NOTE:Theupperheadregionmayvoidduringdepressurization ifRCPsarenotrunning.Thismayresultinarapidlyincreasing PRZRlevel.*12Depressurize RCSToMinimizeRCS-To-Secondarjj Leakage:a.Depressurize usingnormalPRZRspraya.IFletdownisinservice,TBENdepressurize usingauxiliary sprayvalve(AOV-296).

IFNOT,THENuseonePRZRPORV~b.EnergizePRZRheatersasnecessary c.MaintainRCSpressureatrupturedS/Gpressured.MaintainRCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'FUSINGFIGUREMINSUBCOOLING

EOP:ES-3'T!TLE:POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE9of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*13MonitorRCPOperation:

a.RCPs-ANYRUNNINGb.Checkthefollowing:

oRCP¹1sealD/P-LESSTHAN220PSIDa.GotoStep14.b.GotoStep14.-OR-oCheckRCPsealleakage-LESSTHAN0.25GPMc.StopaffectedRCP(s)14CheckIfRHRNormalCoolingCanBeEstablished:

a.RCScoldlegtemperature

-LESSTHAN350'Fa.ReturntoStep9.b.RCSpressure-LESSTHAN400psig[300psigadverseCNMT]c.PlaceRCSoverpressure protection systeminservice(Referto0-7,ALIGNMENT ANDOPERATION OFTHEREACTORVESSELOVERPRESSURE PROTECTION SYSTEM)d.Establish RHRnormalcooling(RefertoAttachment RHRCOOL)b.ReturntoStep9.c.IFRCSoverpressure protection systemcanNOTbeplacedinservice,THENnotifyTSCofpotential TechSpecviolation ifRHRsystemisplacedinservice.

I' EOP:ES-3~2TITLE:POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE10of10STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED'I15ContinueRCSCooldownToColdShutdown:

a.MaintaincooldownrateinRCScoldlegs-LESSTHAN100'F/HRb.UseRHRSystemc.Dumpsteamtocondenser fromintactS/Gc.ManuallyorlocallydumpsteamusingintactS/GARV.IFnointactS/Gavailable andRHRsystemNOTinservice,THENperformthefollowing:

oUsefaultedS/G.-OR-oGotoECA-3.1,SGTRWITHLOSSOFREACTORCOOIANT-SUBCOOLED RECOVERYDESIRED,Stepl.16CheckCoreExitT/Cs-LESSTHAN200'FReturntoStep9.17EvaluateLongTermPlantStatus:a.Maintaincoldshutdownconditions

-(Referto0-2.3,PLANTATCOLDORREFUELING SHUTDOWN) b.ConsultTSC-END-I; EOP:ES-3'POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE1of1ES-3.2APPENDIXLISTTITLE1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING 3)FIGURESDM4)ATTACHMENT RHRCOOL5)FOLDOUTPAGES I.

EOP:ES-3'POST-SGTR COOLDOWNUSINGBLOWDOWN.

REV:7PAGE1of1REDPATHSUMMARYa.SUBCRITICALITY

-Nuclearpowergreaterthan54b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan434[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan54[254adverseCNMT]ANDtotalfeedwater flowlessthan200gpmd.INTEGRITY

-Coldlegtemperatures decreasegreaterthan100'Finlast60minutesANDRCScoldlegtemper'ature lessthan285'Fe.CONTAINMENT

-CNMTpressuregreaterthan60psig

EOP:ES-3.2TITLE:POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE1of1FIGUREMINSUBCOOLING NOTE:Subcooling Margin=Saturation Temperature Fro'mFigureBelow[-]CoreExitT/CIndication RC250024002300220021002000190018001700'1600140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS 20PSIGSUBCOOLED REGIONADVERSEGNATNORNLCNNTINADEQUATE SUBCOOLING REGIONTEMPERATURE INCREMENTS 10'F200250300350400450500550600650700COREEXITSATURATION TEMPERATURE

('F)

~I EOP:ES-3.2T1TLE:POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE1of1BORONCONCENTRATION (PPH)1800FIGURESDM1600BORONINCREMENTS 20PPH140012001000'DEQUATE SDH100PPMCONSERVATISM INCLUDEDSOO600400BORATE200BURNUPINCREMENTS 100HWD/HTU01000200030004000500060007000800090001000011000CYCLE22BURNUP(HWD/HTU)

NOTE:Toobtaincoreburnup,usePPCSturn'ncodeBURNUP.

l' EOP:ES-3'TiTLE:POST-SGTR COOLDOWNUSINGBLOWDOWNREV:7PAGE1of1FOLDOUTPAGE1~SIREINITIATION CRITERIAIFeithercondition listedbelowoccurs,THENoperateSIpumpsmanuallyasnecessary andgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1:oRCSsubcooling basedoncoreexitT/Cs-LESSTHANO'USINGREQUIREMENTS OFFIGUREMINSUBCOOLING.

OR2~oPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN54[304adverseCNMT].SECONDARY INTEGRITY CRITERIAIFanyS/Gpressureisdecreasing inanuncontrolled manneroriscompletely depressurized ANDhasnotbeenisolated, THENgotoE-2,FAULTEDS/GISOLATION, Step1.3.COLDLEGRECIRCULATION SWITCHOVER CRITERION 4~5~IFRWSTleveldecreases tolessthan284,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, Step1.AFWSUPPLYSWITCHOVER CRITERION IFCSTleveldecreases tolessthan5feet,THENswitchtoalternate AFWwatersupply(RefertoER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).MULTIPLESGTUBERUPTURECRITERIAIFanyintactS/Glevelincreases ininanuncontrolled manner~OIFanyintactS/Ghasabnormalradiation,'HEN gotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1.

k/~V EOP:ES-3.3T!TLE$POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE1of12ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATEPLANTSUPERINTENDENT EFFECTIVE DATECATEGORY1.0REVIEWEDBY:

EOP:ES-3.3TITLE:POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE2of12A.PURPOSE-Thisprocedure providesactionstocooldownanddepressurize theplanttocoldshutdownconditions following aSGTR.Thisrecoverymethoddepressurizes therupturedS/Gbydumpingsteam.B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS

-Thisprocedure isenteredfrom:a.E-3STEAMGENERATOR TUBERUPTURE,ifplantstaffselectssteamdumpmethod.b~ES3~2gPOSTSGTRCOOLDOWNUSINGBLOWDOWNgwhenblowdownisnotavailable andplantstaffselectssteamdumpmethod.

~4*P~I EOP:ES-3'T!TLE!POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE3of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoSTEAMSHOULDNOTBERELEASEDFROMANYRUPTUREDS/GIFWATERMAYEXISTINITSSTEAMLINE.

oANOFFSITEDOSEEVALUATION SHOULDBECOMPLETED PRIORTOUSINGTHISPROCEDURE.

NOTE:oFOLDOUTpageshouldbeopenANDmonitored periodically.

oAdverseCNMTvalue'sshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10+R/hr.1Energy.ze PRZRHeatersAsNecessary ToSaturatePRZRWaterAtRupturedS/GPressure

EOP:ES-3.3POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE4of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED2CheckIfSIACCUMsShouldBeIsolated:

a.Checkthefollowing:

oRCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.GotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Stepl.oPRZRlevel-GREATERTHAN5%[30%adverseCNMT]b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischarge valves~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMoutletvalves~ACCUMA,MOV-841~ACCUMB,MOV-865d.LocallyreopenbreakersforMOV-841andMOV-865c.Ventanyunisolated ACCUMs:1)Openventvalvesforunisolated SIACCUMs.~ACCUMA,AOV-834A~ACCUMB,AOV-834B2)OpenHCV-945.

EOP:ES-3'T!TLE:POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE5of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:LeakagefromrupturedS/GintoRCSwilldiluteRCSboronconcentration.

=3VerifyAdequateShutdownMargina.DirectHPtosampleRCSandrupturedS/Gforboronconcentration b.Verifyboronconcentration-GREATERTHANREQUIREMENTS OFFIGURESDMb.Borateasnecessary.

• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • CAUTIONIFCSTLEVELDECREASES TOLESSTHAN5FEET,THENALTERNATE WATERSOURCESFORAFWPUMPSWILLBENECESSARY (REFERTOER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).NOTE:TDAFWpumpflowcontrolvalvesfailopenonlossofIA.*4MonitorIntactS/GLevel:a.Narrowrangelevel-GREATERTHAN5%[25%adverseCNMT]b.Controlfeedflowtomaintainnarrowrangelevelbetween17%[25%'dverse CNMT]and50$a.Maintaintotalfeedflowgreaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]inintactS/G.b.IFnarrowrangelevelintheintactS/Gcontinues toincreaseinanuncontrolled manner,THENgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Stepl.

.t=,~

EOP:ES-3'POST-SGTR COOLDOWNUSINGSTEAM'UMP REV:7PAGE6of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:SincerupturedS/Gmaycontinuetodepressurize tolessthantheminimumRCSpressurenecessary forcontinued RCPoperation, cooldowntocoldshutdownshouldnotbedelayed.5InitiateRCSCooldownTo350'F:a.Establish andmaintaincooldownrateinRCScoldlegs-LESSTHAN100'F/HRb.Dumpsteamtocondenser fromintactS/Gb.ManuallyorlocallydumpsteamfromintactS/GusingS/GARV.IFnointactS/Gavailable, THENperformthefollowing:

oUsefaultedS/G.-OR-oGotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Stepl.

4 EOP$ES-3'ZLTLE$POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE7of12-STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONRCSANDRUPTUREDS/GPRESSURES MUSTBEMAINTAINED LESSTHAN1050PSIG.*6ControlRCSPressureAndMakeupFlowToMinimizeRCS-To-Secondary Leakage:a.Performappropriate action(s) fromtable:PRZRLEVELRUPTUREDS/GNARROWRANGELEVELINCREASING DECREASING OFFSCALEHIGHLESSTHAN13$[40%ADVERSECNMT]oIncreaseRCSmakeupflowoDepressurize RCSusingStep6b.IncreaseRCSoIncreaseRCSmakeupflowmakeupflowoMaintainRCSandrupturedS/GpressureequalBETWEEN13%[40%ADVERSECNMT]AND50%BETWEEN50%AND75%[65%ADVERSECNMT]GREATERTHAN75%[65%ADVERSECNMT]Depressurize RCSusingStep6b.oDepressurize RCSusingStep6b.oDecreaseRCSmakeupflowoDecreaseRCSmakeupflowEnergizePRZRheatersEnergizePRZRheatersEnergizePRZRheatersMaintainRCSandrupturedS/GpressureequalMaintainRCSandrupturedS/GpressureequalMaintainRCSandrupturedS/Gpressureequalb.UsenormalPRZRspraytoobtaindesiredresultsforStep6ab.IFletdownisinservice,THENuseauxiliary spray(AOV-296).

IFNOT,THENuseonePRERPORV.

1 EOP:ES-3'T!TLE:POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE8of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED7Establish RequiredRCSHydrogenConcentration (RefertoS-3.3C,H2OR02REMOVALFROMPRIMARYSYSTEMBY.BURPINGVCT)8CheckIfRCSCooldownShouldBeStopped:a.RCScoldlegtemperatures

-LESSTHAN350'Fa.ReturntoStep3,b.StopRCScooldownc.MaintainRCScoldlegtemperature

-LESSTHAN350'F*9MonitorRupturedS/GNarrowRangeLevel-LEVELGREATERTHAN174[254adverseCNMT]RefillrupturedS/Gto67%[55%adverseCNMT]usingfeedflow.IFeitherofthefollowing conditions occurs,THENstopfeedflowtorupturedS/G:oRupturedS/Gpressuredecreases inanuncontrolled manner.-OR-oRupturedS/Gpressureincreases to1020psig.

C EOP!ES-3'TITLE!POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE9of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONRUPTUREDS/GPRESSUREMAYDECREASERAPIDLYWHENSTEAMISRELEASED.

NOTE:SteamreleasefromrupturedS/GmaybestoppedwhenRHRSystemisinservice.10InitiateCooldownOfRupturedS/G:a.Verifycondenser available:

oIntactS/GMSIV-OPENoAnnunciator G-15,STEAMDUMPARMED-LITa.ManuallyorlocallydumpsteamusingrupturedS/GARVandgotoStep11.b.DispatchAOtolocallyopenrupturedS/GMSIVbypassvalvec.Dumpsteamtocondenser usingsteamdumppressurecontroller

• llControlRCSMakeupFlowAndLetdownToMaintainPRZRLevel:a.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]b.PRZR4~level

-LESSTHAN75%[65%adverse'CNMT]

a.IncreaseRCSmakeupflowasnecessary andgotoStep12.b.DecreaseRCSmakeupflowtodecreaselevelandgotoStep13.

'I~

EOPES-3'TITLE:POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE10of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Theupperheadregionmayvoidduringdepressurization ifRCPsarenotrunning.Thismayresultinarapidlyincreasing PRZRlevel.*12Depressurize RCSToMinimizeRCS-To-Secondary Leakage:a.Depressurize usingnormalPRZRsprayassociated withrunningRCPa.IFletdownisinservice,THENdepressurize usingauxiliary sprayvalve(AOV-296).

IFNOT,THENuseonePRZRPORV.b,EnergizePRZRheatersasnecessary c.MaintainRCSpressureatrupturedS/Gpressured.MaintainRCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'FUSINGFIGUREMINSUBCOOLING

• 13MonitorRCPOperation:

a.RCPs-ANYRUNNINGb.Checkthefollowing:

oRCP¹1sealD/P-LESSTHAN220PSIDa.GotoStep14.b.GotoStep14.-OR-oCheckRCPsealleakage-LESSTHAN0.25GPMc.StopaffectedRCP(s)

EOP:ES-3'T!TLE:POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE11of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED14CheckIfRHRNormalCoolingCanBeEstablished a.RCScoldlegtemperature

-LESSTHAN350'Fa.ReturntoStep9.b.RCSpressure-LESSTHAN400psig[300psigadverseCNMTjc.PlaceRCSoverpressure protection systeminservice(Referto0-7,ALIGNMENT ANDOPERATION OFTHEREACTORVESSELOVERPRESSURE PROTECTION SYSTEM)d.Establish RHRnormalcooling(RefertoAttachment RHRCOOL)b.ReturntoStep9.c.IFRCSoverpressure protection systemcanNOTbeplacedinservice,THENnotifyTSCofpotential TechSpecviolation ifRHRsystemisplacedinservice.15ContinueRCSCooldownToColdShutdown:

a.Maintainco'oldown rateinRCScoldlegs-LESSTHAN100'F/HRb.UseRHRSystemc.Dumpsteamtocondenser fromintactS/Gc.ManuallyorlocallydumpsteamusingintactS/GARVIFnointactS/Gavailable andRHRsystemNOTinservice,THENperformthefollowing:

oUsefaultedS/G.-OR-oGotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANTSUBCOOLED RECOVERYDESIRED,Step1.

ES-3'TLTLE0POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE12of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED16CheckCoreExitT/Cs-LESSTHAN200'FReturntoStep9.17EvaluateLongTermPlantStatus:a.Maintaincoldshutdownconditions (Referto0-2.3,PLANTATCOLDORREFUELING SHUTDOWN) b.ConsultTSC-END-e EOP!ES-3'TITLE!POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE1of1ES-3.3APPENDIXLISTTITLE1)REDPATHSUMMARY2)FIGUREMINSUBCOOLING 3)FIGURESDM4)ATTACHMENT RHRCOOL5)FOLDOUTPAGES

ES-3.3POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE1of1REDPATHSUMl6&Ya.SUBCRITICALITY

-Nuclearpowergreaterthan54b.CORECOOLING-CoreexitT/Csgreaterthan1200'F-OR-CoreexitT/Csgreaterthan700'FANDRVLISlevel(noRCPs)lessthan434[464adverseCNMT]c.HEATSINK-NarrowrangelevelinallS/Gslessthan54[254adverseCNMT]ANDtotalfeedwater flowlessthan200gpmd.INTEGRITY

-Coldlegtemperatures decreasegreaterthan100'Finlast60minutesANDRCScoldlegtemperature lessthan285'Fe.CONTAINMENT

-CNMTpressuregreaterthan60psig Cl EOP:ES-3'T!TLE:POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE1of1FIGUREMINSUBCOOLING NOTE:Suhcooling Margin=Saturation Temperature FromFigureBelow[-]CoreExitT/CIndication RC25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS 20PSIGSUBCOOLED REGIONADVERSECNMTNORMALCNMTINADEQUATE SUBCOOLING REGIONTEMPERATURE INCREMENTS 10'F200250300350400450500550600650700COREEXIT.SATURATION TEMPERATURE

('F)

EOP!ES-3.3POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE1of1BORONCONCENTRATION (PPH)1800FIGURESDM1600BORONINCREMENTS 20PPH140012001000ADEQUATESDH100PPHCONSERVATISM INCLUDED800600400BORATE200BURNUPINCREMENTS 100HWD/HTU01000200030004000500060007000800090001000011000CYCLE22BURNUP(MWD/HTU)

NOTE:Toobtain-coreburnup,usePPCSturnoncodeBURNUP.

EOP:ES-3'TITLE:POST-SGTR COOLDOWNUSINGSTEAMDUMPREV:7PAGE1of1FOLDOUTPAGE1~2~SIREINITIATION CRITERIAIFeithercondition listedbelowoccurs,THENoperateSIpumpsmanuallyasnecessary andgotoECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1:oRCSsubcooling basedoncoreexitT/Cs-LESSTHANO'USINGRE{}UIREMENTS OFFIGUREMINSUBCOOLING.

ORoPRZRlevel-CHARGINGCANNOTCONTROLLEVELGREATERTHAN5%[30%adverseCNMT].SECONDARY INTEGRITY CRITERIAIFanyS/Gpressureisdecreasing inanuncontrolled manneroriscompletely depressurized ANDhas.notbeenisolated, THENgotoE-2,FAULTEDS/GISOLATION, Step1.3~COLDLEGRECIRCULATION SWITCHOVER CRITERION 4~5.IFRWSTleveldecreases tolessthan28%,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION, Step1.AFWSUPPLYSWITCHOVER CRITERION IFCSTleveldecreases tolessthan5feet,THENswitchtoalternate AFWwatersupply(RefertoER-AFW.1, ALTERNATE WATERSUPPLYTOAFWPUMPS).MULTIPLESGTUBERUPTURECRITERIAIFanyintactS/Glevelincreases ininanuncontrolled maniier~OIFanyintactS/Ghasabnormalradiation, THENgo.,to'ECA-3.1, SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLED RECOVERYDESIRED,Step1.

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