ML17263A273

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Rev 2 to EOP FR-H.4, Response to Loss of Normal Steam Release Capabilities.
ML17263A273
Person / Time
Site: Ginna Constellation icon.png
Issue date: 04/21/1993
From: MARLOW T A
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17263A269 List:
References
FR-H.4, NUDOCS 9305140053
Download: ML17263A273 (84)
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Text

EOP:FR-H.4TITLE:RESPONSETOLOSSOFNORMALSTEAMRELEASECAPABILITIES REV:2PAGE1of5ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATEPLANTSUPERINTENDENT EFFECTIVE DATECATEGORY1.0REVIEWEDBY:9305140053 930422PDR'DOCN,05000244F..PDR iV EOP:FR-H.4TITLE:RESPONSETOLOSSOFNORMALSTEAMRELEASECAPABILITIES REV:2PAGE2of5A.PURPOSE-Thisprocedure providesactionstorespondtoafailureoftheS/GARVsandCondenser DumpValves.B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS

-Thisprocedure isenteredfromF-0.3,HEATSINKCriticalSafetyFunctionStatusTreeonaYELLOWcondition.

EOP:FR-H.4TITLE:RESPONSETOLOSSOFNORMALSTEAMRELEASECAPABILITIES REV:2PAGE3of5STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFAFFECTEDS/G(S)NARROWRANGELEVELINCREASES TOGREATERTHAN90%[85%ADVERSECNMT],THENSTEAMSHOULDNOTBERELEASEDFROMTHEAFFECTEDS/G(S).NOTE:oThroughout thisprocedure, "affected" referstoanyS/Ginwhichpressureisgreaterthan108Spsig.oAdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10+R/hr.1TryToRestoreNormalSteamReleaseCapability OfAffectedS/G(s):a.Checkifcondenser available oAffectedS/GMSIV(s)-OPENoEitherCWpump-RUNNINGoCondenser vacuum-GREATERTHAN20INCHESHGb.Operatecondenser steamdumpmanually:

1)PlacesteamdumpmodeselectortoMANUALa.Performthefollowing 1)PlaceaffectedS/G(s)ARVcontroller tomanualandattempttoopenARV.IFS/GARV(s)canNOTbeopened,THENdispatchAOtochecknitrogensupplytoARVs.2)GotoStep2.2)Placecondenser steamdumpcontroller toMANUAL3)Opensteamdumpvalvesasrequired

EOPSFR-H.4TITLE$RESPONSETOLOSSOFNORMALSTEAMRELEASECAPABILITIES REV:2PAGE4of5STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED2CheckRCPStatus:a.RCPs-BOTHRUNNINGb.StopRCPinaffectedloopa.GotoStep3.3CheckS/GPressures

-LESSTHAN1085PSIGPerformthefollowing:

a.ManuallyopenaffectedS/G(s)TDAFWpumpsteamsupplyvalves~S/GA,MOV-3505A

~S/GB,MOV-3504A b.DispatchAOtoperformthefollowing:

1)OpenaffectedS/GMSIVbypassvalve.2)Openprimingaire)ectorsteamisolation valves'V-3580~V-3581c.Localoperation ofaffectedS/GARVmaybeattempted.

(Establish communications withcontrolroom.)

EOP:FR-H.4TITLE:RESPONSETOLOSSOFNORMALSTEAMRELEASECAPABILITIES REV:2PAGE5of5STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED4ReturnToProcedure AndStepInEffect-END-

EOP:FR-I.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV5PAGE1of12ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATEPLANTSUPERINTENDENT EFFECTIVE DATECATEGORY1.0REVIEWEDBY:

WP~

EOP:FR-I.1LITLE:RESPONSETOHIGHPRESSURIZER LEVELREV5PAGE2of12A.PURPOSE-Thisprocedure providesactionstorespondtoahighPRZRlevel.B.ENTRYCONDITIONS/SYMPTOMS l.ENTRYCONDITIONS

-Thisprocedure isenteredfrom:a.F-0.6,INVENTORY CriticalSafetyFunctionStatusTreeonaYELLOWcondition.

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FR-I.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV'PAGE3of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10+R/hr.1CheckRCSHotLegTemperature STABLEORDECREASING DumpsteamfromintactS/G(s)tostabilize RCStemperature.

2VerifyAdequateSWFlow:a.AtleastthreeSWpumps-RUNNINGb.DispatchAOtoestablish normalshutdownalignment (RefertoAttachment SD-1)a.Manuallystartpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpscanbeoperated, THENperformthefollowing:

1)EnsureSWisolation 2)GotoStep7.c.VerifyAUXBLDGSWisolation valves-ATLEASTONESETOPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735c.Establish SWtoAUXBLDG.(RefertoAttachment AUXBLDGSW.)d.VerifyCNMTRECIRCfansannunciator C-2,HIGHTEMPERATURE ALARM-EXTINGUISHED d.DispatchAOtolocallythrottleflowtoCCWHxtobetween5000gpmand6000gpmtotalflow.

<'-)4r4PJ~r4Il.

EOP:FR-X.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV:5PAGE4of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED3Establish IAtoCNMT:a.Verifynon-safeguards bussesenergized fromoffsitepoweroBus13normalfeed-CLOSEDa.Performthefollowing:

1)Closenon-safeguards bustiebreakers:

-OR-oBus15normalfeed-CLOSED~Bus13toBus14tie~Bus15toBus16tie2)WHENbus15restored, THENresetcontrolroomlighting.

b.VerifySWisolation valvestoturbinebuildl'ng

-OPEN~MOV-4613andMOV-4670~MOV-4614andMOV-4664b.Manuallyalignvalves'.Verifyatleasttwoaircompressors

-RUNNINGd.CheckIAsupply:oPressure-GREATERTHAN60PSIGoPressure-STABLEORINCREASING c.Manuallystartaircompressors aspowersupplypermits(75kweach).IFaircompressors canNOTbestarted,THENdispatchAOtolocallyresetcompressors asnecessary.

d.Performthefollowing:

1),Continue attemptstorestoreIA(RefertoAP-IA.1,LOSSOFINSTRUMENT AIR).2)ContinuewithStep7.WHENIArestored, THENdoSteps3eandf.e.ResetbothtrainsofXYrelaysforIAtoCNMTAOV-5392f.VerifyIAtoCNMTAOV-5392-OPEN rrer EOP:FR-I.1iITLE:RESPONSETOHIGHPRESSURIZER LEVELREV'PAGE5of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED**x*x**xx**xxx*xP*xxx*xxx****************

CAUTIONCHARGINGANDLETDOWNFLOWSHOULDBECAREFULLY CONTROLLED TOAVOIDSUDDENRCSPRESSURECHANGESSINCETHEPRZRMAYBEWATERSOLID.x******xkxxxxxxx*xxx******xxxx***********

4CheckIfNormalCVCSOperation CanBeEstablished a.VerifyIArestored:

oIAtoCNMT(AOV-5392)

-OPENa.ContinuewithStep7.WHENIArestored, THENdoSteps4through6.oIApressure-GREATERTHAN60PSIGb.CCWpumps-ANYRUNNINGb.Performthefollowing:

1)IFanyRCP¹1sealoutlettemperature offscalehigh,THENisolateCCWtothermalbarrierofaffectedRCP(s).~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV-759Bc.Verifyinstrument busDENERGIZED 2)ManuallystartoneCCWpump.c.EnergizeMCCB.IFMCCBNOTavailable, THENperformthefollowing:

1)VerifyMCCAenergized.

2)Placeinstrument busDonmaintenance supply.

JtIt/Wg!akg%lgtTIti*<<II,1 EOP:FR-I.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV5PAGE6of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED5CheckIfSealReturnFlowShouldBeEstablished:

a.VerifyRCP¹1sealoutlettemperature

-LESSTHAN235'Fb.VerifyRCPsealoutletvalvesOPEN=~AOV-270A~AOV-270Ba.GotoStep7.b.Manuallyopenvalvesasnecessary.

c.ResetbothtrainsofXYrelaysforRCPsealreturnisolation valveMOV-313d.OpenRCPsealreturnisolation valveMOV-313d.Performthefollowing:

1)PlaceMOV-313switchtoOPEN.e.VerifyRCP¹1sealleakoffflowLESSTHAN5.5GPM2)DispatchAOwithkeytoRWSTgatetolocallyopenMOV-313.e.IFanyRCPsealleakoffflowgreaterthan5.5gpmTHEN:oClosetheaffectedRCPsealdischarge

'valve~RCPA,AOV-270A~RCPB,AOV-270BoTriptheaffectedRCPf.VerifyRCP¹1sealleakoffflow'REATERTHAN0.25GPMIFbothRCPsealdischarge valvesareshut,THENgotoStep7.f.RefertoAP-RCP.1, RCPSEALMALFUNCTION.

vs'>'pII%1~lIWIff EOP:FR-I.1RESPONSETOHIGHPRESSURIZER LEVELREV5PAGE7of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED6CheckNormalLetdown-INSERVICEEstablish excessletdownasfollows:oPlaceAOV-312toNORMALoEnsureCCWfromexcessletdown,(AOV-745).

oOpenexcessletdownisolation valveAOV-310.oSlowlyopenHCV-123tomaintainexcessletdown.temperature lessthan195'Fandpressurelessthan100psig.

(C~L+Itv,~~gVp7~

EOP:FR-I.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV:5PAGE8of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED7CheckIfChargingFlowHasBeenEstablished:

a.Chargingpumps-ANYRUNNINGa.Performthefollowing:

-1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCP¹1sealoutlettemperature offscalehigh,THENdispatchAOwithkeytoRWSTgatetolocallyclosesealinjection needlevalve(s)toaffectedRCP:~RCPA,V-300A~RCPB,V-300B2)EnsureHCV-142open,demandat0%.b.ChargingpumpsuctionalignedtoRWST:oLCV-112B-OPENoLCV-112C-CLOSEDb.Manuallyalignvalvesasnecessary.

IFLCV-112BcanNOTbeopened,THENperformthefollowing:

1)VerifychargingpumpANOTrunningand'laceinPULLSTOP.2)=Dispatch AOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatecharging, pumpsBandCfromVCT(V-268locatedinchargingpumproom).c.Startchargingpumpsasnecessary andadjustchargingflowtorestorePRZRlevel P.~It4il EOP:FR-I.lTITLE:RESPONSETOHIGHPRESSURIZER LEVELREV5PAGE9of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED8CheckNormalLetdown-INSERVICEEstablish NormalLetdown:a.Establish chargingflowtoREGENHxgreaterthan20gpm.b.Placethefollowing switchestoCLOSE:~Letdownorificevalves(AOV-200A, AOV-200B, andAOV-202)~AOV-427,loopBcoldlegtoREGENHx~AOV-371,letdownisolation valvesc.Placeletdowncontrollers TCV-130andPCV-135inMANUALat40%open~TCV-130~PCV-135d.ResetbothtrainsofXYrelaysforAOV-371andAOV-427e.OpenAOV-371andAOV-427f.Openletdownorificevalvesasnecessary g.PlaceTCV-130inAUTOat105'Fh.PlacePCV-135inAUTOat250psigi.AdjustchargingpumpspeedandHCV-142asnecessary j.WHENnormalletdowninservice,THENsecureexcessletdown.oCloseexcessletdownflowcontrolvalve,HCV-123.oCloseexcessletdownisolation valve,AOV-310.

Ã'+

EOP:FR-I.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV:5PAGE10of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED9CheckPRZRPressure:

a.Pressure-LESSTHAN2335PSIGb.Pressure-LESSTHAN2260PSIGa.VerifyatleastonePRZRPORVandblockvalveopen.IFNOT,THENopenonePORVandblockvalveasnecessary untilpressurelessthan2335psig.IFIANOTavailable, THENrefertoAttachment N2PORVStooperatePORVs.b.Controlchargingandletdownflowasnecessary todecreasePRZRpressuretolessthan2260psig.10VerifyPRZRPORVs-CLOSEDManuallyclosePORVs.IFanyvalvecanNOTbeclosed,THENmanuallycloseitsblockvalve.llRestorePRZRToSaturation Conditions:

a.Verifyletdown-INSERVICEb.EnergizePRZRheatersa.DoNOTenergizePRZRheaters.ContinuewithStep13.WHENletdownestablished, THENenergizePRZRheaters.

"~'i'+C"1no.zf4O EOP:FR-I.1TITLE:RESPONSETOHIGHPRESSURIZER LEVELREV'PAGE11of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED12CheckPRZRSprayValves:a.Auxiliary sprayvalve(AOV-296)

CLOSEDa.Manuallycloseauxiliary sprayvalve.IFvalvecanNOTbeclosed,THENperformthefollowing:

1)Establish excessletdown(RefertoStep6).2)CloseloopBcoldlegtoREGENHx(AOV-427).

3)EnsureHCV-142demandat0%.b.VerifynormalPRZRsprayvalvecontrollers

-DEMANDAT0%b.Placecontrollers inmanualat0%demand.NOTE:PRZRtemperature atwhichbubbleshouldformmaybedetermined fromsteamtable.13ControlChargingAndLetdownFlowAsNecessary ToMaintainRCSPressureStable14CheckPRZRlevel-LESSTHAN87~aPerformthefollowing:

a.ConsultTSCtodetermine ifRCPsshouldbestoppedtoisolatedfailedsprayvalve.b.ReturntoStep13.

'I41" EOP:FR-IF1RESPONSETOHIGHPRESSURIZER LEVELREV5PAGE12of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED15ReturnToProcedure AndStepInEffect-END-

EOP:FR-I.1RESPONSETOHIGHPRESSURIZER LEVELREV:5PAGE1of1FR-I.1APPENDIXLISTTITLEPAGES1)ATTACHMENT N2PORVS2)ATTACHMENT SD-13)ATTACHMENT AUXBLDGSW gl'I EOP:FR-P.1T!TLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE1of21ROCHESTER GASANDELECTRICCORPORATION GINNASTATIONCONTROLLED COPYNUMBERTECHNICAL REVIEWPORCREVIEWDATE4'PLASUPERINTENDENT EFFECTIVE DATECATEGORY1.0REVIEWEDBY:

4*l+~d"X?'k EOP:FR-P.1TlTLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE2of21A.PURPOSE-Thisprocedure providesactionstoavoid,orlimit,thermalshockorpressurized thermalshocktothereactorpressurevessel,oroverpressure conditions atlowtemperature.

B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS

-Thisprocedure isenteredfrom:a.F-0.4,INTEGRITY CriticalSafetyFunctionStatusTree,oneitheraREDorORANGEcondition.

4I>I"'P0Wi*'(+IS"p@~w EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10~PAGE3of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:AdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiation isgreaterthan10+"R/hr.1CheckRCSPressure-GREATERTHAN250PSIGt'465PSIGadverseCNMT]IFRHRflowgreaterthan475gpm,THENreturntoprocedure andstepineffect.

tpPpq8~a EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION.

REV10PAGE4of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:AfaultedS/GisanyS/Gthatisdepressurizing inanuncontrolled manneroriscompletely depressurized.

2CheckRCSColdLegTemperatures

-STABLEORINCREASING TrytostopRCScooldown:

a.EnsureS/GARVsclosed.,b.ClosebothS/GMSIVs.c.EnsureMFWflowcontrolvalvesclosed.~MFWregulating valves~MFWbypassvalvesd.EnsureMFWpumpstripped.e.Rotatereheatersteamsupplycontroller camtoclosereheatersteamsupplyvalves.f.IFS/Gpressurelessthancondensate

pressure, THENstopallcondensate pumps.g.IFRHRsysteminservice,THENstopanycooldownfromRHRsystem.h.Controltotalfeedflowtonon-faulted S/G(s)greaterthan200gpmuntilnarrowrangelevelgreaterthan5%[25%adverseCNMT]inatleastonenon-faulted S/G.WHENS/Glevelgreaterthan5%[25%adverseCNMT]inonenon-faulted S/G,THENlimitfeedflowtostopRCScooldown.

ThisStepcontinued onthenextpage.

'2i/

EOP:FR-P.1TlTLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE5of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED(Step2continued frompreviouspage)i.MinimizecooldownfromfaultedS/G(s):1)ClosefaultedS/G(s)TDAFWpumpsteamsupplyvalve(s).

~S/GA,MOV-3505A

~S/GB,MOV-3504A 2)IFbothS/G(s)faulted,THENcontrolfeedflowat50gpmtoeachS/G.3)IFanyS/GNOTfaulted,THENisolateallfeedwater tofaultedS/Gunlessnecessary forRCStemperature control.IFafaultedS/Gisnecessary forRCStemperature control,THENcontrolfeedflowat50gpmtothatS/G.3CheckPRZRPORVBlockValves:a.PowertoPORVblockvalvesAVAILABLE b.Blockvalves-ATLEASTONEOPENa.RestorepowertoblockvalvesunlessblockvalvewasclosedtoisolateanopenPORV:~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cb.OpenoneblockvalveunlessitwasclosedtoisolateanopenPORV.IFatleastoneblockvalvecanNOTbeopened,THENdispatchAOtolocallycheckbreaker.~MOV-515,MCCCposition6C~MOV-516,MCCDposition6C 10/kgb'l4s1pL4<<t EOP:FR-P.1LITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE6of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*x*****>*x*xxsxwwxxxxw0w**0wxx***********

CAUTIONIFANYPRZRPORVOPENSBECAUSEOFHIGHPRZRPRESSURE, THENSTEP4SHOULDBEPERFORMED AFTERPRESSUREDECREASES TOLESSTHANTHEAPPLICABLE PORVSETPOINT.

    • x******x*xxxxxxxxxxxxx'xxx*x**x*********

4CheckPRZRPORVStatus:a.CheckReactorVesselOverpressure Protection System-INSERVICEa.GotoStep4d.b.CheckRCSpressure-LESSTHAN410PSIGb.Performthefollowing:

1)EnsureatleastonePRZRPORVopen.2)ContinuewithStep5.WHENpressurelessthansetpoint, THENdoStep4e.c.GotoStep4ed.PRZRpressure-LESSTHAN2335PSIGd.Performthefollowing:

1)Ensureat"leastonePRZRPORVopen.2)ContinuewithStep5.WHENpressurelessthansetpoint, THENdoStep4e.e.VerifyPRZRPORVs-CLOSEDe.Manuallyclosevalve.IFanyvalvecanNOTbeclosed,THENmanuallycloseitsblockvalve.

gt EOP:FR-PE1Tl1'LE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE7of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED5CheckSIPumps-ANYRUNNINGGotoStep13.6CheckIfSICanBeTerminated:

oRCSsubcooling basedoncoreexitT/Cs-GREATERTHAN50'FUSINGFIGUREMINSUBCOOLING oCheckRVLISindication:

oLevel(noRCPs)-GREATERTHAN68%[73%adverseCNMTj-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%DoNOTstopSIpumps.Performthefollowing.'.

IFRCSsubcooling basedoncoreexitT/CsgreaterthanO'FusingFigureMINSUBCOOLING andnoRCPrunning,THENattempttostartanRCP:1)Establish conditions forstartinganRCP:oBus11Aor11Benergized oRefertoAttachment RCPSTART2)IFconditions established, THENstartoneRCP.b.GotoStep26.*******4*****xx*********

4****************

CAUTIONIFOFFSITEPOWERISLOSTAFTER.SIRESET,THENSELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCY D/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAFEGUARDS EQUIPMENT.

xxPP************************

7ResetSI V"Elleg~CgI&i EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE8of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED8StopSIAndRHRPumpsAndPlaceInAUTO9ResetCI:a.DepressCIresetpushbutton b.Verifyannunciator A-26,CNMTISOLATION

-EXTINGUISHED b.Performthefollowing:

1)ResetSI.2)DepressCIresetpushbutton.

10VerifyAdequateSWFlow:a.CheckatleasttwoSWpumpsRUNNINGa.ManuallystartSWpumpsaspowersupplypermits(258kweach).IFlessthantwoSWpumpsrunning,THENperformthefollowing:

1)EnsureSWisolation.

2)DispatchAOtoestablish normalshutdownalignment (RefertoAttachment SD-l).b.DispatchAOtoestablish normalshutdownalignment (RefertoAttachment SD-1)3)GotoStep12.WHENadequateSWavailable, THENdoStep11.

~il'aQ EOP:FR-P.1TI1'LE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE9of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED11Establish IAtoCNMT:a.Verifynon-safeguards bussesenergized fromoffsitepoweroBus13normalfeed-CLOSED-OR-oBus15normalfeed-CLOSEDb;VerifySWisolation valvestoturbinebuilding-OPEN~MOV-4613andMOV-4670~MOV-4614andMOV-4664c.Verifyatleasttwoaircompressors

-RUNNINGd.CheckIAsupply:oPressure-GREATERTHAN60PSIGoPressure-STABLEORINCREASING e.ResetbothtrainsofXYrelaysforIAtoCNMTAOV-5392f.VerifyIAtoCNMTAOV-5392-OPENa.Performthefollowing:

1)Closenon-safeguards bustiebreakers:'

Bus13toBus14tie~Bus15toBus16tie2)Verifyadequateemergency D/Gcapacitytorunaircompressors (75kweach).IFNOT,THENevaluateifCNMTRECIRCfansshouldbestopped(RefertoAttachment CNMTRECIRCFANS).3)WHENbus15restored, THENresetcontrolroomlighting.

b.Manuallyalignvalves.c.Manuallystartaircompressors

'spowersupplypermits(75kweach).IFaircompressors canNOTbestarted,THENdispatchAOtolocallyresetcompressors asnecessary.

d.Performthefollowing:

1)Continu'e attemptstorestoreIA(RefertoAP-IA.1,LOSSOFINSTRUMENT AIR).2)ContinuewithStep12.WHENIArestored, THENdoStepslieandf.

'4'4,R!f-'~~v'Prct4 EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE10of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED12CheckIfChargingFlowHasBeenEstablished:

a.Chargingpumps-ANYRUNNINGa.Performthefollowing:

1)IFCCWflowislosttoanyRCPthermalbarrierORanyRCP¹1sealoutlettemperature offscalehigh,THENdispatchAOwithkeytoRWSTgatetolocallyclosesealinjection needlevalve(s)toaffectedRCP:~RCPA,V-300A~RCPB,V-300B2)EnsureHCV-142open,demandat0%.b.AlignchargingpumpsuctiontoRWST:oLCV-112B-OPENoLCV-112C-CLOSEDb.IFLCV-112BcanNOTbeopened,THENperformthefollowing:

1)VerifychargingpumpANOTrunningandplaceinPULLSTOP.2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).c.Startchargingpumpsasnecessary andadjustchargingflowtorestorePRZRlevel

<<+jje~~r.ajjj,4/tp1k%

EOP:FR-P.1-ZI1'LE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE11of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*13MonitorSIReinitiation Criteria:

oRCSsubcooling basedoncoreexitT/Cs-GREATERTHANFIGUREMINSUBCOOLING oRVLISindication:

ManuallyoperateSIpumpsasnecessary andperformthefollowing:

a.IFRCSsubcooling basedoncore'xitT/CsgreaterthanFigureMINSVBCOOLING andnoRCPrunning,THENattempttostartaRCP:oLevel-GREATERTHAN68%(73%adverseCNMTj1)Establish conditions forstartinganRCP:-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%oBusllAor11Benergized oRefertoAttachment RCPSTART2)IFconditions established, THENstartoneRCP.b.GotoStep26.14CheckRCSHotLegTemperatures

-STABLEIFincreasing, THENcontrolfeedflowanddumpsteamtostabilize RCShotlegtemperatures.

IFdecreasing, THENverifythatactionsofStep2havebeenperformed beforecontinuing'ith procedure.

'M~l*4 EOP:FR-P.1Ti[LE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV'0PAGE12of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED15CheckIfSIACCUMsShouldBeIsolated:

a.Checkthefollowing:

oRCSsubcooling basedoncoreexitT/Cs-GREATERTHANO'USINGFIGUREMINSUBCOOLING a.ReturntoStep13.oRVLISindication:

oLevel-GREATERTHAN68%[73%adverseCNMT]-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%b.DispatchAOwithlockedvalvekeytolocallyclosebreakersforSIACCUMdischarge valvesIr~MOV-841,MCCCposition12F~MOV-865,MCCDposition12Cc.CloseSIACCUMdischarge valves~MOV-841~MOV-865c.Ventanyunisolated ACCUMs:1)Openventvalvesforunisolated SIACCUMs.~ACCUMA,AOV-834A~ACCUMB,AOV-834Bd.LocallyreopenbreakersforMOV-841andMOV-8652)OpenHCV-945.3)ContinuewithStep16.DoNOTdecreaseRCSpressuretolessthanunisolated ACCUMpressure.

~\'Itf14 EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE13of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED

              • x*x*xx*x*xx*xx**k**x*****x********

CAUTIONTHERCSSHOULDNOTBEDEPRESSURIZED TOLESSTHANSIACCUMPRESSUREUNTILSIACCUMSISOLATED.

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NOTE:oIfauxiliary sprayisinuse,sprayflowmaybeincreased byclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.oWhenusingaPRZRPORVselectonewithanoperableblockvalve.16.Depressurize RCSToDecreaseRCSSubcooling:

a.Depressurize usingnormalPRZRsprayifavailable a.IFnormalsprayNOTavailable, THENuseonePRZRPORV.IFIANOTavailable, THENrefertoAttachment N2PORVS.IFnoPRZRPORVavailable, THENuseauxiliary sprayvalve(AOV-296).

b.Depressurize RCSuntileitherofthefollowing conditions satisfied:

oRCSsubcooling basedoncoreexitT/Cs-LESSTHAN10'FUSINGFIGUREMINSUBCOOLING

-OR-oPRZRlevel-GREATERTHAN87%[75%adverseCNMT)c.StopRCSdepressurization

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EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE14of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED17CheckIfRCPsMustBeStopped:a.RCPs-ANYRUNNINGb.Checkthefollowing:

oRCP¹1sealD/P-LESSTHAN220PSIDa.GotoStep18.b.GotoStep18.-OR-oRCP¹1sealleakoff-LESSTHAN0.25GPMc.StopaffectedRCP(s)*********

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CAUTIONANINCREASEINRCSPRESSUREMAYRESULTINEXCESSIVE REACTORVESSELSTRESS.RCSPRESSUREANDTEMPERATURE SHOULDBEMAINTAINED STABLEWHILEPERFORMING SUBSEQUENT STEPSINTHISPROCEDURE.

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18CheckPRZRLevel-GREATERTHAN13%t'40:adverseCNMT]Trytorestorelevelwithchargingwhilemaintaining stableRCSpressure.

IFlevelcanNOTberestored, THENgotoStep25.

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EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE15of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED19CheckIfNormalCVCSOperation CanBeEstablished a.VerifyIArestored:

oIAtoCNMT(AOV-5392)

-OPENoIApressure-GREATERTHAN60PSIGa.ContinuewithStep23.WHENIArestored, THENdoSteps19through22.b.CCWpumps-ANYRUNNINGb.Performthefollowing:

1)IFanyRCP¹1sealoutlettemperature offscalehigh,THENisolateCCW,tothermalbarrierofaffectedRCP(s).~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV-759Bc.Verifyinstrument busDENERGIZED d.Chargingpump-ANYRUNNING2)ManuallystartoneCCWpump.c.EnergizeMCC'.IFMCCBNOTavailable, THENperformthefollowing:

1)VerifyMCCAenergized.

2)Placeinstrument busDonmaintenance supply.d.ContinuewithStep24.WHENanychargingpumprunning,THENdoSteps20through24.

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EOP:iFR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE16of21STEPACTION/EXPECTED RESPONSERESPONSE80TOBTAINED,

              • %*@**xx*0x0*xx**4'0'***%'***x*******CAUTIONIFRCSPRESSURELESSTHAN250PSIG,THENPCV-135SHOULDBEADJUSTEDTOESTABLISH DESIREDLETDOWNFLOW,NOTTOINCREASEPRESSURE.
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          • x**%****%*******%*20Establish NormalLetdown:a.Establish charginglineflowtoREGENHx-GREATERTHAN20GPMb.Placethefollowing switchestoCLOSE:~Letdownorifice.valves(AOV-200A, AOV-200B, andAOV-202)~AOV-371,letdownisolation valve~AOV-427,loopBcoldlegtoREGENHxc.Placeletdowncontrollers inMANUALat40%open~TCV-130~PCV-135d.ResetbothtrainsofXYrelaysforAOV-371andAOV-427e.OpenAOV-371andAOV-427f.Openletdownorificevalvesasnecessary g.PlaceTCV-130inAUTOat105'Fh.PlacePCV-135inAUTOat250psigi.AdjustchargingpumpspeedandHCV-142asnecessary IFRCPsealreturnhasbeenestablished, THENestablish excessletdownasfollows:oPlaceexcessletdowndivertvalve,AOV-312,toNORMAL.oEnsureCCWfromexcessletdownopen,(AOV-745)

~oOpenexcessletdownisolation valveAOV-310.oSlowlyopenHCV-123tomaintainexcessletdowntemperature lessthan195'Fandpressurelessthan100psig.oAdjustchargingpumpspeedasnecessary.

IFRCPsealreturnNOTestablished, THENconsultTSCtodetermine ifexcessletdownshouldbeplacedinservice.

J'lA EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE17of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED21CheckVCTMakeupSystem:a.Adjustboric'acid flowcontrolvalveinAUTOto9.5gpmb.Verifythefollowing:

1)RMWmodeselectorswitchinAUTOb.Adjustcontrolsasnecessary.

2)RMWcontrolarmed-REDLIGHTLITc.CheckVCTlevel:oLevel-GREATERTHAN20%-OR-oLevel-STABLEORINCREASING c.ManuallyincreaseVCTmakeupflowasfollows:1)EnsureBAtransferpumpsandRMWpumpsrunning.IFNOT,-THENresetMCCCandMCCDUVlockoutsasnecessary.

2)PlaceRMWflowcontrolvalveHCV-111inMANUALandincreaseRMWflow.3)Increaseboricacidflowasnecessary.

M,)~~plyl4t~Itn, EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE18of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED22CheckChargingPumpSuctionAlignedToVCT:a.VCTlevel-GREATERTHAN20%a.IFVCTlevelcanNOTbemaintained greaterthan5%,THENperformthefollowing:

1)EnsurechargingpumpsuctionalignedtoRWSToLCV-112BopenoLCV-112Cclosed2)ContinuewithStep23.WHENVCTlevelgreaterthan40%,THENdoStep22b.b,VerifychargingpumpsalignedtoVCToLCV-112C-OPENoLCV-112B-CLOSEDb.Manuallyalignvalvesasnecessary.

23CheckPRZRLevel-LESSTHAN87%t'754adverseCNMT]Controlchargingandletdownasnecessary toreducePRZRleveltolessthan87%[75%adverseCNMT].Ifnecessary establish excessletdown.IFnoletdownavailable ANDCCWtoRCPsestablished, THENcyclechargingpumpsasnecessary tocontrolPRZRlevel.

&W+~C4'-.tg44&I EOP:FR-P.1TITLE:RESPONSETOIMMXNENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE19of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Foroptimumlongtermpressurecontrol,saturated conditions shouldberestoredinthePRZR.24VerifyPRZRLiquidTemperature (TI-424)-ATSATURATION FORDESIREDPRESSUREIFPRZRliquidtemperature low,THENenergizePRZRheatersasnecessary toestablish desiredtemperature.

25CheckRCSSubcooling BasedOnCoreExitT/Cs-BETWEENO'AND10'FUSXNGFIGUREMINSUBCOOLXNG IFRCSpressurelessthan160psig[200psigadverseCNMT),THENgotoStep26.IFNOT,THENdepressurize usingnormalspray.IFnormalsprayNOTavailable andletdownisinservice,THENuseauxiliary sprayforany"furtherdepressurization.

ReturntoStep16b.IFauxiliary sprayNOTavailable, THENreturntoStep16a.26CheckCoolDownRateInRCSColdLegs-GREATERTHAN100'FINANY60MINUTESPERXODReturntoprocedure andstepineffect.27MaintainRCSPressureAndTemperature StableForAtLeast1Houra.Controlsteamdumpandfeedflowasnecessary b.Performactionsofotherprocedures ineffectwhichdonotcooldowntheRCSorincreaseRCSpressureuntiltheRCStemperature soakhasbeencompleted 4te0rrQ4,/

EOP:FR-P.11'IZLF.:RESPONSETO1MMINENTPRESSURIZED THERMALSHOCKCONDITION REV'0PAGE20of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED28WHEN1HOURSoakIsComplete, THENContinueRCSCooldownAndDepressurization AsNecessary a.MaintainRCSpressureandcoldlegtemperature withinthelimitsofFigureSOAKLIMITSb.Establish andmaintaincooldownrateinRCScoldlegs-LESSTHAN50'FINANY60MINUTESPERIOD29VerifySIFlowNotRequired:

oRCSsubcooling basedoncoreexitT/Cs-GREATERTHANFIGUREMINSUBCOOLING oRVLISindication:

oLevel-GREATERTHAN68%[73%adverseCNMTj-OR-oFluidfraction(anyRCPrunning)-GREATERTHAN80%ManuallyoperateSIpumpsasnecessary.

IFRCSsubcooling basedoncoreexitT/CsgreaterthanFigureMINSUBCOOLING andnoRCPrunning,THENperformthefollowing:

a.Establish conditions forstartinganRCP:oBus11Aor11Benergized oRefertoAttachment RCPSTARTb.IFconditions established, THENstartoneRCP.

As"tttQ'f,'I)1$'~0"~Jl EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE21of21STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED30ReturnToProcedure AndStepInEffect-END-

'%+Woer,'v)>41<'Wa EOP:FR-P.1TI1'LE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV10PAGE1of1FR-P.1APPENDIXLISTTITLEPAGES1)FIGUREMINSUBCOOLING 2)FIGURESOAKLIMITS3)ATTACHMENT RCPSTART4)ATTACHMENT SD-15)ATTACHMENT CNMTRECIRCFANS6)ATTACHMENT N2PORVS I+g$lIiw~olIg7,INt>1tk0' EOP:FR-P.1LITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE1of1FIGUREMINSUBCOOLING NOTE:Subcooling Margin=Saturation Temperature FromFigureBelow[-]CoreExitT/CIndication RC25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREHENTS 20PSIGSUBCOOLED REGIONADVERSECNHTNORMALCNHTINADEQUATE SUBCOOLINGREGIONTEHPERATURE INCREHENTS 10'F200250300350400450500550600650700COREEXITSATURATION TEHPERATURE

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a4kl1i~g(Q"IJ EOP:FR-P.1TITLE:RESPONSETOIMMINENTPRESSURIZED THERMALSHOCKCONDITION REV:10PAGE1of1RCS25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000PRESSURE(PSIG)RCSPRESSUREINCREMENTS 20PSIGFIGURESOAKLIMITSREMAINBELOWCURVETEMPERATURE INCREMENTS 10'F200250300350400450500550600650700RCSCOLDLEGTEMPERATURE

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