ML17262A165
| ML17262A165 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 08/29/1990 |
| From: | MARLOW T A ROCHESTER GAS & ELECTRIC CORP. |
| To: | |
| Shared Package | |
| ML17262A163 | List: |
| References | |
| FR-H.1, NUDOCS 9010020147 | |
| Download: ML17262A165 (100) | |
Text
EOP:FR-H.1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV9PAGE1of25ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEWPORCREVIEWDATEPLANTSUPERINTENDENTEFFECTIVEDATECATEGORY1.0REVIEWEDBY:~l9@10020C<050002<4147900921p>R&DOCPDCPGINNASTATIONSTART:DATETIMECohtpfETEg.DATETIME:
IR FR-H.1RESPONSETOLOSSOFSECONDARYHEATSINKREV:9PAGE2of25A.PURPOSE-ThisprocedureprovidesactionsforrespondingtoalossofsecondaryheatsinkinbothS/Gs.B.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.E-O,REACTORTRIPORSAFETYINJECTION,whenminimumAFWflowisnotverified.b.F-O.3,HEATSINKCriticalSafetyFunctionStatusTreeonaREDcondition.
EOP:FR-H.1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV:9PAGE3of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*************************************.****CAUTIONoIFTOTALFEEDFLOWISLESSTHAN200GPMDUETOOPERATORACTION,THISPROCEDURESHOULDNOTBEPERFORMED.oPEEDFLOWSHOULDNOTBEREESTABLISHEDTOAFAULTEDS/GIPANON-FAULTEDS/GISAVAILABLE.NOTE:AdverseCNMTvaluesshouldbeusedwheneverCNMTpressureisgreaterthan4psigorCNMTradiationisgreaterthan10~R/hr.1CheckIfSecondaryHeatSinkIsRequired:a.RCSpressure-GREATERTHANANYNON-FAULTEDS/GPRESSUREb.Checkthefollowing:oRCScoldlegtemperature-GREATERTHAN350'FoRCSpressure-GREATERTHAN400psigt300psigadverseCNMT]a.IPRWSTlevelgreaterthan28X,THENgotoE-l,"LOSSOFREACTORORSECONDARYCOOLANT,Step1.IPRWSTlevellessthan28X,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Stepl.b.TrytoplaceRHRSysteminservicewhilecontinuingwiththisprocedure:1)ResetSIifnecessary.2)PlaceletdownpressurecontrollerinMANUALCLOSED.3)Checkthefollowingvalves-OPEN:~AOV-371,letdownisolationvalve~AOV-427,loopBcoldlegtoREGENHx~Atleastoneletdownorificevalve(AOV-200A,AOV-200B,orAOV-202)4)IFpressureonPI-135lessttIan400psig,THENestablishRHRnormalcooling(RefertoAttachmentRHRCOOL).IFadequatecoolingwithRHRsystemestablished,THENreturntoprocedureandstepineffect.
EOP:FR-H'.1TITLERESPONSETOLOSSOFSECONDARYHEATSINKREV'PAGE4of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED2MonitorSecondaryHeatSink:oVerifybothS/Gwiderangelevels-GREATERTHAN35.inches[110inchesadverseCNMT]oVerifyPRZRpressure-LESSTHAN2335PSIGPerformthefollowing:a.TripbothRCPs.b.GotoStep11toinitiatebleedandfeedcooling.
EOP:FR-H.l1'1TLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV9PAGE5of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED3TrytoEstablishAFWFlowToAtLeastOneS/G:a.CheckMCBindicationsforcauseofAPWfailure:1)VerifyCSTlevel-GREATERTHAN5PERT2)VerifybussessupplyingpowertoMDAPWpumps-ENERGIZED~Bus14~Bus163)CheckAFWvalvealignmentoAFWpumpdischargevalves-OPEN~MOV-4007~MOV-4008~MOV-3996oTDAFWpumpflowcontrolvalves-OPEN~AOV-4297~AOV-4298b.CheckAPWpumps-ALLRUNNINGc.ChecktotalflowtoS/Gs-'REATERTHAN200GPMd.Returntoprocedureandstepineffect1)RefertoER-APW.l,ALTERNATEWATERSUPPLYTOAPWPUMPS.2)ContinueattemptstorestorepowertoMDAFWpumps.3)DispatchAOtolocallyalignvalvesasnecessary.b.Performthefollowing:1)ManuallystartMDAFWpumps.2)CheckTDAPWpumpsteamsupplyvalvesOPEN.~MOV-3504AoMOV-3505A3)IfnecessarydispatchAOtolocallyresetTDAFWpumpgovernorvalve.c.ContinueattemptstorestoreAFWflowandgotoStep4.
EOP:FR-H.1RESPONSETOLOSSOFSECONDARYHEAT'SINKREV'PAGE6of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED4StopBothRCPs 0
EOP:FR-H.1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINEREV9PAGE7of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFOFFSITEPOWERISLOSTAPTERSIRESET,SELECTEDSWPUMPSANDONECCWPUMPVILLAUTOSTARTONEMERGENCYD/G.MANUALACTIONVILLBEREQUIREDTORESTARTSAFEGUARDSEQUIPMENT.5TryToEstablishMFWFlowTo.AtLeastOneS/G:a.Checkcondensatesystem:oCondensatepump-ANYRUNNINGoMPWpumpsuctionpressure-GREATERTHAN185PSIGb.ResetSIifnecessaryc.Resetfeedwaterisolationd.EstablishMFVflov:1)CheckMFVpumpdischargevalves-CLOSED2)VerifyMFVflowcontrolbypassvalve-OPERABLE3)DispatchAOtorestoreMFWpumpSVcooling4)VerifyS/GblovdownkeysvitchesinNORMAL5)EnsureoneMPVpumprecircvalve-OPEN6)StartselectedMFVpump7)OpenMPWpumpdischargevalve8)OpenMPWflowcontrolbypassvalvesasnecessarytorestoreS/Glevele.GotoStep9a.IFoffsitepoweravailable,THENtrytoplacecondensatesysteminservice.IFNOT,THENgotoStep6.d.IFMFVflovcanNOTbeestablished,THENgotoStep6.
EOP:FR-H.1~TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV9PAGE8of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED6EstablishSAFWFlow:a.Performthefollowing:1)AlignSAFWsystemforoperation(RefertoAttachmentSAFW)2)StartbothSAFWpumps3)VerifySAFWtotalflow-GREATERTHAN200GPMa.IFgreaterthan200gpm,totalSAFWflowcanNOTbeestablished,THENgotoStep7.'.GotoStep9*****************************************CAUTIONIFS/GWIDERANGELEVELDECREASESTOLESSTHAN35INCHES[110INCHESADVERSECNMT]ORIFPRZRPRESSUREINCREASESTOGREATERTHAN'335PSIG,THENSTEPSllthrough13SHOULDBEIMMEDIATELYINITIATEDFORBLEEDANDFEED.7EstablishCondenserSteamDumpPressureControl:a.Verifycondenseravailable:oAnyMSIV-OPENoAnnunciatorG-15,STEAMDUMP-LITa.PlaceS/GARVcontrollersinAUTOatdesiredpressureandgotoStep8.b.Ad)ustcondensersteamdumpcontrollerHC-484todesiredpressureandverifyinAUTOc.PlacesteamdumpmodeselectorswitchtoMANUAL
EOP:FR-H.lRESPONSETOLOSSOFSECONDARYHEATSINKREV:9PAGE9of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONFOLLOWINGBLOCKOPAUTOMATICSIACTUATION,MANUALSIACTUATIONMAYBEREQUIREDIPCONDITIONSDEGRADE.**.***************************************NOTE:Ifauxiliarysprayisinuse,sprayflowmaybeincreasedbyclosingnormalchargingvalveAOV-294andnormalPRZRsprayvalves.8TryToEstablishFeedFlowFromCondensateSystem:a.Checkcondensatepumps-ANYRUNNINGb.Establishcondensateflowpath(RefertoAttachmentCONDTOS/G)c.DepressurizeRCStolessthan1950psig:1)DeenergizePRZRheaters.2)Checkletdown-INSERVICE3)Depressurizeusingauxiliarysprayvalve(AOV-296)d.WHENRCSpressurelessthan1950psig,THENperformthefollowing:1)BlockSI2)DumpsteamtocondenseratmaximumratetodepressurizeatleastoneS/G'olessthan380psige.VerifycondensateflowtoS/Gsa.IPoffsitepoweravailable,THENmanuallystartatleastonecondensatepump.IFacondensatepumpcanNOTbestarted,THENgotoStep10.b.GotoStep10.2)UseonePRZRPORV.IFIANOTavailable,THENrefertoAttachment~NPORVS.IPPORVNOTavailable,THENuseauxiliarysprayvalve,AOV-296andgotoStep8d.2)ManuallyorlocallydumpsteamusingintactS/GARV.e.GotoStep10.
EOP:FR-H.1.TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV'PAGE10of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED9CheckS/GLevels:a.NarrowrangelevelinatleastoneS/G-GREATERTHAN5%[25%adverseCNMT]b.Returntoprocedureandstepineffecta.IFfeedflowverifiedtoatleastoneS/G,THENmaintainflowtorestorenarrowrangelevelgreaterthan5%[25%adverseCNMT].IFNOTverified,THENgotoStep10.10VerifySecondaryHeatSink:a.Checkthefollowing:oBothS/Gwiderangelevels-GREATERTHAN35inches[110inchesadverseCNMT]oPRZRpressure-LESSTHAN2335PSIGa.Performthefollowing:1)TripbothRCPs.2)GotoSteplltoinitiatebleedandfeedcooling.b.ReturntoStep1*****************************************CAUTIONSTEPS11THROUGH13MUSTBEPERFORMEDQUICKLYINORDERTOESTABLISHRCSHEATREMOVALBYRCSBLEEDANDFEED.11ActuateSIandCI 0
EOP:FR-H'.lTITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV:9PAGEllof25STEP'CTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONWHENBASTLEVELDECREASESTO10%,THENSIPUMPAUTOMATICSWITCHOVERTORWSTSHOULDBEENSURED.12VerifyRCSFeedPath:a.CheckSIpumps-ATLEASTONERUNNINGb.CheckvalvealignmentforoperatingSIpumps-PROPEREMERGENCYALIGNMENTManuallystartpumpsandalignvalvesasnecessarytoestablishRCSfeedpath.XFafeedpathcanNOTbeestablished,THENcontinueattemptstoestablishfeedflow.ReturntoStep3.13EstablishRCSBleedPath:a.OpenbothPRZRPORVblockvalvesa.EnsurepowertoMCCssupplyingblockvalves.~MCCCforMOV-515~MCCDforMOV-516b.PlacebothPRZRPORVswitchestoOPENIPanyblockvalvecanNOTbeopened,THENdispatchAOtolocallycheckbreaker:~MOV-515,MCCCposition6C~MOV-516,MCCDposition6Cc.AlignRCSoverpressurizationnitrogensystemtoopenbothPRZRPORVs(RefertoAttachmentN2PORVS)c.IPBOTHPRZRPORVscanNOTbeopened,THENperformthefollowing:1)EnsurebothPORVswitchesinOPEN.2)GotoStep14.
EOP:FR-H.lTITI.E:RESPONSETOLOSSOFSECONDARYHEATSINKlREV9PAGE12of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIPOFPSITEPOWERISLOSTAFTERSIRESET,SELECTEDSWPUMPSANDONECCWPUMPWILLAUTOSTARTONEMERGENCYD/G.MANUALACTIONWILLBEREQUIREDTORESTARTSAPEGUARDSEQUIPMENT.14CheckIfSICanBeReset:a.Checkthefollowing:oPRZRpressure-LESSTHAN1750PSIG-OR-oEithersteamlinepressure-LESSTHAN514PSIGb.ResetSIa.IFPRZRpressurestableorincreasing,THENresetSIandgotoStep15.IPPRZRpressuredecreasing,THENperformthefollowing:1)WHENPRZRpressurelessthan1750psig,THENresetSI.2)GotoStep15.15ResetCI:-a.OperateCIresetkeyswitchb.VerifyannunciatorA-26,CONTAINMENTISOLATION-EXTINGUISHEDb.Performthefollowing:1)ResetSI.2)OperateCIresetkeyswitch.
EOP:FR-H.1RESPONSETOLOSSOFSECONDARYHEATSINKREV:9PAGE13of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED16VerifyAdequateSWFlowToCCWHz:a.VerifyatleasttwoSWpumps-RUNNINGb.VerifyAUXBLDGSWisolationvalves-ATLEASTONESETOPEN~MOV-4615andMOV-4734~MOV-4616andMOV-4735a.Manuallystartpumpsaspowersupplypermits(258kweach).IRlessthantwoSWpumpscanbeoperated,THENgotoStep19.b.EstablishSWtoAUXBLDG(RefertoAttachmentAUXBLDGSW)i PI EOP:FR-H.1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV'PAGE14of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED17EstablishIAtoCNMT:a.Verifynon-safeguardsbussesenergizedfromoffsitepoweroBus13normalfeed-CLOSED-OR-oBus15normalfeed-CLOSEDb.VerifyturbinebuildingSWisolationvalves-OPEN~MOV-4613andMOV-4670~MOV-4614andMOV-4664c.Verifyatleasttwoaircompressors-RUNNINGd.CheckIAsupply:oPressure-GREATERTHAN60PSIGoPressure-STABLEORINCREASINGe.ResetbothtrainsofXYrelaysforIAtoCNMTAOV-5392f.VerifyIAtoCNMTAOV-5392-OPENa.Performthefollowing:1)Closenon-safeguardsbustiebreakers:~Bus13toBus14tie~Bus15toBus16tie2)VerifyadequateemergencyD/Gcapacitytorunaircompressors(75kweach).IFNOT,THENevaluateifCNMTRECIRCfansshouldbestopped(RefertoAttachmentCNMTRECIRCFANS).3)WHENbus15restored,THENresetcontrolroomlighting.b.Manuallyalignvalves.c.Manuallystartaircompressorsaspowersupplypermits(75kweach).IFaircompressorscanNOTbestarted,THENdispatchAOtolocallyresetcompressorsasnecessary.d.Performthefollowing:1)ContinueattemptstorestoreIA(RefertoAP-IA.l,LOSSOFINSTRUMENTAIR).2)ContinuewithStep19.WHENIArestored,THENdoSteps17e,fand18.
EOP:FR-H.1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV9PAGE15of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED18RestoreRCSOverpressurizationNitrogenSystemToStandby:a.VerifyinstrumentbusD-ENERGIZEDa.Performthefollowing:1)EnsuresteamdumpmodecontrolinMANUAL.b.PlacereliefvalvePC-431andPC-430armingswitchestoBLOCK~SOV-8619A~SOV-8619B2)RestorepowertoinstrumentbusDfromMCCBorMCCA(maintenancesupply).c.CloseSURGETKVLVs~SOV-8616A~SOV-8616BNOTE:PRZRPORVsmayclosetemporarilyuntiladequateIApressureisrestoredinCNMT.19VerifyAdequateRCSBleedPath-BOTHPRZRPORVSOPENIFPRZRPORVscanNOTbeopened,THENperformthefollowing:a.OpenRxvesselheadvents.~SOV-590~SOV-591~SOV-592~SOV-593b.DepressurizeatleastoneintactS/GtoatmosphericpressureusingS/GARV.-c.AlignanyavailablelowpressurewatersourcetothedepressurizedS/Gs.'
EOP:FR-H.1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV'PAGE16of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONTHERCSBLEEDPATHMUSTBEMAINTAINEDEVENIFRCSPRESSUREREMAINSGREATERTHANSIPUMPSHUTOFFHEAD.20MaintainRCSHeatRemoval:oMaintainSIflowoMaintainbothPRZRPORVsandblockvalves-OPEN21CheckNormalPowerAvailableToChargingPumps:oBus14normalfeedbreaker-CLOSEDoBus16normalfeedbreaker-CLOSEDVerifyadequateemergencyD/Gcapacitytorunchargingpumps(75kweach).IFNOT,THENevaluateifCNMTRECIRCfanscanbestopped(RefertoAttachmentCNMTRECIRCFANS).
EOP:FR-H.1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV9PAGE17of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED22CheckIfChargingFlowHasBeenEstablished:a.Chargingpumps-ANYRUNNINGa.Performthefollowing:1)IPCCWflowislosttoanyRCPthermalbarrierORanyRCPglsealoutlettemperatureoffscalehigh,THENdispatchAOwithkeytoRWSTgatetolocallyclosesealinjectionneedlevalve(s)toaffectedRCP:~RCPA,V-300A~RCPB,V-300B2)EnsureHCV-142open,demandat0%.b.AlignchargingpumpsuctiontoRWST:oLCV-112B-OPENoLCV-112C-CLOSEDb.IPLCV-112BcanNOTbeopened,THENperformthefollowing:1)VerifychargingpumpANOTrunningandplaceinPULLSTOP.c.Startchargingpumpsasnecessaryandestablishmaximumchargingflow2)DispatchAOtolocallyopenmanualchargingpumpsuctionfromRWST(V-358locatedinchargingpumproom).3)WHENV-358open,THENdirectAOtocloseV-268toisolatechargingpumpsBandCfromVCT(V-268locatedinchargingpumproom).
EOP:FR-H;1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKtREV9PAGE18of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoIFRWSTLEVELDECREASESTOLESSTHAN28%,THENTHESISYSTEMSHOULDBEALIGNEDFORCOLDLEGRECIRCULATIONUSINGSTEPS1THROUGH13OFES-1.3,TRANSFERTOCOLDLEGRECIRCULATION.oIFCONTAINMENTPRESSUREINCREASESTOGREATERTHAN28PSIG,CONTAINMENTSPRAYSHOULDBEVERIFIED.23ContinueAttemptsToEstablishSecondaryHeatSinkInAtLeastOneS/G:~AFWflow~MainFWflow~StandbyAFWflow~Condensateflow24CheckForAdequateSecondaryHeatSink:a.ChecknarrowrangelevelinatleastoneS/G-GREATERTHAN5%(25%adverseCNMT]b.AdjustS/GARVcontrollerstoexistingS/Gpressurea.ReturntoStep23.
'I0 EOP:FR-H'.1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV9PAGE19of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFTHERCSISWATERSOLID,THENANYINCREASEINRCSTEMPERATUREMAYRESULTINASIGNIFICANTRCSPRESSUREINCREASE.RCSHEATUPSHOULDBEPREVENTED.25MonitorRCSTemperatures:oCoreexitT/Cs-DECREASINGoRCShotlegtemperatures-DECREASINGPerformthefollowing:a.ControlsteamdumpandfeedflowtoestablishnaturalcirculationandstabilizeRCStemperature.b.ReturntoStep23.26CheckCCWPumps-ANYRUNNINGPerformthefollowing:a.IFanyRCPflsealoutlettemperatureoffscalehigh,THENisolateCCWtothermalbarrierofaffectedRCP(s).~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV-759Bb.ManuallystartoneCCWpump(124kw).
EOP:FR-H.1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV9PAGE20of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONIFRCSISSOLID,THENTERMINATIONOPPEEDANDBLEEDMAYRESULTINRAPIDRCSPRESSUREINCREASEUNLESSRCSINFLOVANDOUTFLOWARECAREFULLYCONTROLLED.27CheckIfOneOfThreeSIPumpsShouldBeStopped:a.ThreeSIpumps-RUNNINGb.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHAN35'F[90'FadverseCNMT]USINGFIGUREMINSUBCOOLINGc.CheckPRZRlevel,-GREATERTHAN13%[40%adverseCNMT]d.StoponeSIpumpa.GotoStep28.b.Checkthefollowing:oRCSpressuregreaterthan1625psig[1825psigadverse'NMT]oRCSsubcoolingbasedoncoreexitT/CsgreaterthanO'usingFigureMINSUBCOOLINGIPNOT,THENgotoStep30.c.DoNOTstopSIpump.GotoStep30.
EOP:FR-H.1TiTLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV:9PAGE21of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED28CheckIfOneOfTwoSI,PumpsShouldBeStopped:a.TwoSIpumps-RUNNINGb.DeterminerequiredRCSsubcoolingfromtable:a.GotoStep29.ChargingPumpAvailability'NONEONETVOTHREERCSSubcooling,Criteria120'F[200'FadverseCNMT]115'F[190'FadverseCNMT]105'F[180'FadverseCNMT]100'F[175'FadverseCNMT]c.RCSsubcoolingbasedoncoreexitT/Cs-GREATERTHANVALUEFROMTABLEABOVEUSINGFIGUREMINSUBCOOLINGld.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]e.StoponeSIpumpc.Checkthefollowing:oRCSpressuregreaterthan1625psig[1825psigadverseCNMT]oRCSsubcoolingbasedoncoreexitT/CsgreaterthanO'usingFigureMINSUBCOOLINGIFNOT,THENgo'toStep30.d.DoNOTstopSIpump.GotoStep30.
EOP:FR-H.lRESPONSETO-LOSSOFSECONDARYHEATSINKREV:9PAGE22of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED29CheckIfLastSIPumpShouldBeStopped:a.OneSIpump-RUNNINGb.Checkthefollowing:oRCSsubcoolingbasedoncoreexitT/CsgreaterthanO'usingFigureMINSUBCOOLINGoRCSpressuregreaterthan1625psig[1825psigadverseCNMT]c.PRZRlevel-GREATERTHAN13%[40%adverseCNMT]d.StoprunningSIpumpe.GotoStep31a.GotoStep31.b.GotoStep30.c.DoNOTstopSIpump.GotoStep30.
CI EOP:FR-H.lRESPONSETOLOSSOFSECONDARYHEATSINKREV9PAGE23of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:AfterclosingaPORV,itmaybenecessarytowaitforRCSpressuretoincreasetopermitstoppingSIpumpsinSteps27,28and29.30CheckPRZRPORVStatus:a.PRZRPORVs-ANYOPENb.PRZRPORVs-BOTHOPENa.CloseanyopenRxvesselheadventvalvesandgotoappropriateplantprocedure:oIFRWSTlevelgreaterthan28X,THENgotoE-l,LOSSOFREACTORORSECONDARYCOOLANT,Step1.-OR-oIFRWSTlevellessthan28X,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Stepl.b.IFPRZRlevelgreaterthan75%[65%adverseCNMT],THENperformthefollowing:1)Establishexcessletdownasfollows:ThisStepcontinuedonthenextpage.oPlaceAOV-312toNORMAL.oEnsureCCWpumprunning.oEnsureCCWfromexcessletdownHxopen(AOV-745).oOpenexcessletdownisolationvalveAOV-310.oSlowlyopenHCV-123.2)StopallbutonechargingpumpanddecreasechargingflowtoasnecessarytocontrolRCSpressure.
EOP:FR-H.1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINEREV'PAGE24of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED(Step30continuedfrompreviouspage)c.CloseoneopenPRZRPORVd.ReturntoStep27c.ClosePORVblockvalve.,IFblockvalvecanNOTbeclosed,THENgotoappropriateplantprocedure:oIFRWSTlevelgreaterthan28%,THENgotoE-l,LOSSOFREACTORORSECONDARYCOOLANT,Stepl.-OR-oIFRWSTlevellessthan28%,THENgotoES-1.3,TRANSFERTOCOLDLEGRECIRCULATION,Stepl.*****************************************CAUTIONIFRCSISSOLID,CLOSUREOFPORVSWILLRESULTINRAPIDRCSPRESSUREINCREASEUNLESSRCSINFLOWANDOUTFLOWARECAREFULLYCONTROLLED.31CheckPRZRPORVsAndRxCloseallPRZRPORVsandRxvesselVesselHeadVent:Valves-ALLheadventvalves.IFanyPRZRPORVCLOSEDcanNOTbeclosed,THENmanuallycloseitsblockvalve.
0 EOP:FR-H.lTITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV9PAGE25of25STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED32CheckIfRHRPumpsShouldBeStopped:a.CheckRCSpressure:1)Pressure-GREATERTHAN250psig[465psigadverseCNMT]2)Pressure-STABLEORINCREASINGa.Gotoappropriateplantprocedure:oIFRWSTlevelgreaterthan28%,THENgotoE-l,LOSSOFREACTORORSECONDARYCOOLANT,Step1.-OR-b.StopRHRpumpsandplaceinAUTOoIFRWSTlevellessthan28%,THENgotoES-1.3,TRANSFERTOCOLD'LEGRECIRCULATION,Step1.33StartChargingPumpsAsNecessaryAndControlChargingFlowToMaintainPRZRLevel34GoToES11ISITERMINATIONIStep8-END-0 EOP:FR-H.1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV:9PAGE1of1FR-H.1APPENDIXLISTTITLEPAGES1)FIGUREMINSUBCOOLING2)ATTACHMENTCNMTRECIRCFANS3)ATTACHMENTCONDTOS/G4)ATTACHMENTN2PORVS5)ATTACHMENTSD-16)ATTACHMENTRHRCOOL7)ATTACHMENTSAFW8)ATTACHMENTAUXBLDGSW 8
EOP:FR-H.1TITLE:RESPONSETOLOSSOFSECONDARYHEATSINKREV:9PAGE1of1FIGUREMINSUBCOOLINGNOTE:SubcoolingMargin='SaturationTemperatureFromFigureBelow[-]CoreExitT/CIndicationRC25002400230022002100200019001800170016001500140013001200110010009008007006005004003002001000SPRESSURE(PSIG)RCSPRESSUREINCREMENTS20PSIGSUBCOOLEDREGIONECNMTADUERSNORMALCNMTINADEQUATESUBCOOLINGREGIONTEMPERATUREINCREMENTS10'F200250300350400450500550600650700COREEXITSATURATIONTEMPERATURE('F)
EOP:ATTTlTlE:EOP/APATTACHMENTSREV:2PAGE1of2ATTACHMENTGENDEGASSupt.Ill~I>CAUTION:OBSERVEALLNORMALPRECAUTIONSFORHANDLINGEXPLOSIVEMIXTURESOFHYDROGENINAIR.*******************************************************************1.CloseallH2manifoldbottlestops.oValveV-6994AoValveV-6994BoValveV-6995oValveV-69982.CloseH2regulatorisolationvalve,V-6995X(gasbottlehouse).3.IsolatehydrogenfeedbyclosingvalveV-6994KandV-6999C(TURBBLDGbelowgenerator).4.ConnecttheC02feedtothebottomofthegeneratorbyopeningvalveV-6994G.5.Openventfromtopofgenerator,valveV-6994J.6.Openventisolationvalve,V-6995P,toinitiateH2releasethroughventline.7.FullyopenC02manifoldheaderstopvalve,V-6999A(GasBottleHouse).CAUTION:DONOTALLOWMACHINEPRESSURETOEXCEED3TO5PSIGDURINGTHETIMEC02ISBEINGADMITTED.8.WHENgeneratorpressureislessthan5psig,asindicatedonPI-2805,THENopenallC02bottlestopsfullytoadmitC02togenerator.oValveV-6993CoValveV-6999oValveV-6999BoValveV-6998A I~K EOP:ATTEOP/APATTACHMENTSREV2PAGE.2of2ATTACHMENTGENDEGAS9.AdjustventisolationV-6995PORisolateC02bottlesasnecessarytomaintain3-5psigpressureasindicatedonPI-2805.10.Purgeaminimumof20C02cylindersthroughthegenerator.Whenthepurgeiscomplete,theC02maybeshutoffbyclosingthevalvesintheC02supply.first,thenclosingvalvesV-6999AandV-6994G.11.OpenthebreakerfortheDCsealoilbackuppump(DCpanelS-9TURBBLDGbasementwestendbreakerposition12).12.WHENconditionspermit,THENrefertoT-31.2,REMOVINGHYDROGENWITHC02REMOVINGC02WITHINSTRUMENTAIR,tocompletepurgingC02withair.
I"II/Ft EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV:7PAGE1of19ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEWPORCREVIEWDATETSUPERINTNDNTEFECIVEDATECATEGORY1.0REVIEWEDBY:
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EOP:AP-ELEC.1LOSSOF12AAND/OR12BTRANSFORMERREV:7PAGE2of19A-PURPOSE-ThisprocedureprovidesactionstorespondtoalossofN12Aor12BSSTransformerfromHSDoratpowerconditions.B.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-Thisproceduremaybeenteredfrom:a.AP-TURB.1,whenbusses12Aand/or12barefoundtobedeenergized.2.SYMPTOMS-ThesymptomsoflossofN12Aor12BSSTransformerare:a.AnnunciatorL-20,12AXFMROR12ABUSTROUBLE,lit,orb.AnnunciatorL-28,12BXFMROR12BBUSTROUBLE,lit.
0Cgh~I')4s EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV7PAGE3of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoIFATANYTIMEDURINGTHISPROCEDUREAREACTORTRIPORSIISREQUIRED,E-O,REACTORTRIPORSAFETYINJECTION,SHALLBEPERFORMED.oIFATURBINERUNBACKHASOCCURRED,THENAP-TURB.2,AUTOMATICTURBINERUNBACK,SHOULDBEPERFORMED.1VerifyEmergencyD/GAssociatedWithDeadBus-RUNNINGoBus12A-D/GAoBus12B-D/GBIFappropriateemergencyD/G(s)NOTrunning,THENattempttostartmanually.(RefertoER-D/G.l,RESTORATIONOFAFAILEDD/G.)2VerifyBothTrainsOfACEmergencyBussesEnergizedToAtLeast420VOLTS:oBus14andbus18oBus16andbus17TrytorestorepowertoallACemergencybusses.IRpowercanNOT'erestoredtoatleastonetrain,THENgotoECA-O.O,LOSSOR.ALLACPOVER,Stepl.3VerifyServiceWaterSystemOperation:a.SVpumps-ATLEASTONERUNNINGINEACHLOOPb.SWheaderpressure-GREATERTHAN40PSIGINEACHLOOPa.Manuallystartpumpsasnecessary.(258kweach)b.Manuallyalignvalvesasnecessary.
h EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV7PAGE4of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED5VerifyBus11AAnd11BNormalFeedBreakers-CLOSEDIPturbinetriphasoccurredfrompowerlessthan50X,THENgotoAP-TURB.l,TURBINETRIPWITHOUTRXTRIPREQUIRED,Stepl.IPturbinestopvalvesopen,THENtripturbineandgo'oAP-TURB.1,.TURBINETRIPWITHOUTRXTRIPREQUIRED,Stepl.IPturbineNOTpreviouslylatched,THENperformthefollowing:a.EnsurereactorpowerlessthanSX.b.GotoStep16.6CheckS/GLevelControloS/Glevel-TRENDINGTOPROGRAMoMPWregulatingvalves-CONTROLLINGINAUTOPlaceMPWregulatingvalvesinMANUALandcontrolfeedflowasrequired.NOTE:Whenrestartingequipmentforrecovery,itispreferabletostartequipmentonbussesbeingsuppliedfromoffsitepower,ifpossible.7EstablishNormalChargingFlow:a.Verify2chargingpumps-RUNNINGb.Ad)ustchargingpumpspeedandHCV-142asnecessarytorestorePRZRlevelandlabyrinthsealD/Pa.Startchargingpumpsasnecessary(75kweach).
I0 EOP:AP-ELEC.1LOSSOF12AAND/OR12BTRANSFORMERREV:7PAGE5of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED8CheckCVCSLetdown:a.Normalletdowninservice:oLetdovnflov-APPROXIMATELY40GPMoLetdownflow-STABLEoLetdovnpressure-APPROXIMATELY250PSIGb.GotoSteplla.Performthefolloving:1)PlaceAOV-427switchtoCLOSE2)PlaceletdownorificeisolationvalvestoCLOSE.3)GotoStep9.9CheckPRZRLevel-GREATERTHAN13%ContinuewithStep12.VHENPRZRlevelgreaterthan13K,THENdoSteps10and11.
40 EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV:7PAGE6of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED10EstablishNormalLetdown:a.EstablishcharginglineflowtoREGENHx-GREATERTHAN20GPM.b.VerifythefollowingswitchesinCLOSE:~Letdownorificevalve(AOV-'200A,AOV-200B,andAOV-202)~.LoopBcoldlegtoREGENHxAOV-427c.PlaceletdowncontrollersinMANUALat25Xopen.~TCV-130~PCV-135EstablishExcessLetdown:a.Placeexcessletdowndivertvalve,AOV-312,toNORMALb.EnsureCCWfromexcessletdownopen,AOV-745c.EnsureRCPsealreturnisolationvalveopen,MOV-313d.Openexcessletdownisolationvalve,AOV-310e.SlowlyopenHCV-123tomaintainexcessletdowntemperaturelessthan195'Fandpressurelessthan100psigd.OpenAOV-427.e.Openletdownorificevalvesasnecessary.f.PlaceTCV-130inAUTOat105'F.g.PlacePCV-135inAUTOat250psig.h.AdjustchargingpumpspeedandHCV-142asnecessary.
CLlpl, EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV7PAGE7of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTION,oOBSERVED/GLOADINGLIMITSOF2300KWFOR1/2HOUR,2250KWFOR2HOURS,AND1950KWFORCONTINUOUSSERVICE.oANYTIMEEMERGENCYD/GSARETHEONLYSOURCEOFACPOWERTOTHEPLANT,PERSONNELSHOULDBEASSIGNEDTOMAINTAINSURVEILLANCEOFTHED/GS.'1VerifyPRZRHeatersRestored:oPRZRproportionalheaterbreakerCLOSEDoPRZRbackupheaterbreaker-RESET/INAUTOPerformthefollowing:a.VerifyadequateD/GcapacityavailableforPRZRheaters(400kweachbank).b.ResetandclosePRZRproportionalheaterbreakerifnecessary.c.ResetPRZRbackupheaterbreakerandreturntoAUTOifnecessary.IFonnaturalcirculationandatleast100kwofPRZRheaterscanNOTberestoredwithin6hours,THENbeonRHRwithinanadditional6hours.(RefertoTechnicalSpecification3.1.1.5)
'a'!4' EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV7PAGE8of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED12EstablishStablePlantConditions:a.ResetNISroddroprodstopsignals(atNISracks)b.Tavg-TRENDINGTOTREFc.PRZRpressure-TRENDINGTO2235PSIGb.Insertcontrolrodsor,ifnecessary,decreaseturbineloadtomatchTavgtoTref.c.VerifyproperoperationofPRZRheat'ersandsprayortakemanualcontrolofPC-431K.d.PRZRlevel-TRENDINGTOPROGRAMd.VerifyproperoperationofchargingpumpspeedcontrollersortakemanualcontrolofspeedcontrollerstocontrolPRZRlevel.13RestoreNormalAlignment,:a.Verifyatleast2CNMTrecircfans-RUNNINGb.VerifyIAavailable:oAnnunciatorH-8,INSTRUMENTAIRLOPRESS-EXTINGUISHEDoAnnunciatorH-16,INSTRUMENTAIRCOMPRESSOR-EXTINGUISHEDa.StartCNMTrecircfansasnecessary(240kweach).b.DispatchAOtorestoreIAcompressorsasnecessary(75kweach).
EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV7PAGE9of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:PoweroperationmaycontinueifconditionsrequiredbyTechSpecsection3.7aremet.14EstablishNormalOperation:a.Verifycircuit76702or75112-AVAILABLEb.Restorepowerto12Aand/or12Bbus(refertoER-ELEC.1,RESTORATIONOFOFFSITEPOVER)a.ContinuetomonitorplantconditionsandgotoStep15.15EstablishNormalPlantConditions:a.VerifyEHcontrolinOPERPANandIMPINb.Verifysteamdumpcontroller,HC-484,inAUTOat1005psigc.VerifyannunciatorG-15,STEAMDUMPARMED-EXTINGUISHEDia.IFconditionsrequiringrunbackhavecleared,THENplaceEHinOPERPANandIMPIN.c.IFTavgwithin6'FofTref,THENperformthefollowing:1)Ensuresteamdumpvalvesclosed.d.Verifycharging.pumpspeedcontrolinAUTOe.VerifyRodControlSelectorSwitchinAUTOf.GotoStep302)Resetsteamdump.d.PlacechargingpumpspeedcontrolinAUTOifdesired.e.PlaceRodControlSelectorSwitchinAUTOifdesired.
EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV7PAGE10of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:oFollowingRCPtrip,adecreaseinidleS/Glevelmayoccur.Also,swellmaybeanticipatedintheoperatingS/Gduetoloadpickupfromtheidleloop.oTemperaturesintheloopwiththestoppedRCPwillnotbeindicativeoftrueTavgandbTvalues.oAttemptstorestoreoffsitepowershouldcontinue.(RefertoER-ELEC.l,RESTORATIONOFOFFSITEPOWER.)16CheckS/GFeedStatus:a.Anymainfeedpump-RUNNINGb.VerifyS/Glevels-TRENDINGTO39%a.Performthefollowing:1)VerifyMDAFWpumpsrunningasnecessary.2)VerifyTDAFWpumprunningifnecessary.3)EnsureRxpowerlessthan2%.'.ControlfeedflowasnecessarytorestoreS/Glevel.17CheckTDAFWPumpStatus:a.TDAFWpump-RUNNINGb.CheckS/GstatusoAtleastoneS/Glevel-GREATERTHAN17%a.GotoStep18.b.GotoStep18.-OR-oBothMDAFWpumps-OPERABLEc.PullstopTDAFWpump'steamsupplyvalves~MOV-3504A~MOV-3505A lo0NeahAh AP-ELEC.1LOSSOF12AAND/OR12BTRANSFORMERREV7PAGEllof19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED18CheckAnyRCP-INNINGVerifynaturalcirculation.(RefertoAttachmentNC.)IFnaturalcirculationcanNOTbeverified,THENincreasedumpingsteam.
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EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV7PAGE12of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoOBSERVED/GLOADINGLIMITSOF2300KWFOR1/2HOUR,2250KWFOR2HOURS,AND1950KWFORCONTINUOUSSERVICE.oANYTIMEEMERGENCYD/GSARETHEONLYSOURCEOFACPOWERTOTHEPLANT,PERSONNELSHOULDBEASSIGNEDTOMAINTAINSURVEILLANCEOFTHED/GS.19RestoreNon-SafeguardsBussesAsFollows:a.Closenon-safeguardsbustiebreakersforaffectedbus(ses):~Bus13tobus14tie~Bus15tobus16tiea.IFbreakercanNOTbeclosed,THENnotifyelectricians.b.BeforeenergizingaffectedMCC(s)placetheassociatedpumpsinPULLSTOP:oMCCA~EHpumpA~Turninggearoilpump~HPsealoilbackuppumpoMCCB~EHpumpBc.Restorepowerto.affectedMCC(s):~Afrombus13~Bfrombus15~Efrombus15~Ffrombus15c.IFanybreakercanNOTbeclosed,THENnotifyelectricians.d.WHENbus15restored,THENresetcontrolroomlightingifnecessary
+.CiU EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV7PAGE13of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED20EstablishIA:ra.Verify2IAcompressors-RUNNINGb.CheckIAsupplyoPressure-GREATERTHAN60PSIGoPressure-STABLEORINCREASINGa.DispatchanAOtoresetandstartIAcompressorsasD/Gloadingpermits(75kweach).b.IRIAcanNOTbeestablished,THENrefertoAP-IA.l,LOSSORINSTRUMENTAIR.21VerifyInstrumentBus1D-ENERGIZEDEnergizeMCCB.IRMCCBNOTavailable,THENperformthefollowing:a.VerifyMCCAenergized.=b.PlaceinstrumentbusDonmaintenancesupply.22EstablishNormalChargingFlow:a.Verify2chargingpumps-RUNNINGb.AdjustchargingpumpspeedandHCV-142asnecessarytorestorePRZRlevel=andlabyrinthsealD/Pa.Startchargingpumpsasnecessary(75kweach).
EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV:7PAGE14of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED23CheckCVCSLetdown:a.Normalletdowninservice:oLetdownflow-APPROXIMATELY40GPMoLetdownflow-STABLEoLetdownpressure-APPROXIMATELY250PSIGa.Performthefollowing:1)PlaceAOV-427switchtoCLOSE2)PlaceletdownorificeisolationvalvestoCLOSE.3)GotoStep24.b.GotoStep2624CheckPRZRLevel-GREATERTHAN13'ontinuewithStep27.MHENPRZRlevelgreaterthan13%,THENdoSteps25and26.
$4Ia EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV:7PAGE15of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED25EstablishNormalLetdown:a.EstablishcharginglineflowtoREGENHx-GREATERTHAN20GPM.b.VerifythefollowingswitchesinCLOSE:~Letdownorificevalve(AOV-200A,AOV-200B,andAOV-202)~.LoopBcoldlegtoREGENHxAOV-427c.PlaceletdowncontrollersinMANUALat25Xopen.~TCV-130~PCV-135EstablishExcessLetdown:a.Placeexcessletdowndivertvalve,AOV-312,toNORMALb.EnsureCCVfromexcessletdownopen,AOV-745c.EnsureRCPsealreturnisolationvalveopen,MOV-313d.Openexcessletdownisolationvalve,AOV-310e.SlowlyopenHCV-123tomaintainexcessletdowntemperaturelessthan195'Fandpressurelessthan100psigd.OpenAOV-427.e.Openletdownorificevalvesasnecessary.f.PlaceTCV-130inAUTOat105'F.g.PlacePCV-135inAUTOat250psig.h.AdjustchargingpumpspeedandHCV-142asnecessary.
1I EOP:AP-ELEC.1T!TLE:'OSSOF12AAND/OR12BTRANSFORMERREV7PAGE16of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONoOBSERVED/GLOADINGLIMITSOF2300KWFOR1/2HOUR,2250KVFOR2HOURS,AND1950KVFORCONTINUOUSSERVICE.oANYTIMEEMERGENCYD/GSARETHEONLYSOURCEOFACPOWERTOTHEPLANT,PERSONNELSHOULDBEASSIGNEDTOMAINTAINSURVEILLANCEOFTHED/GS.26VerifyPRZRHeatersRestored:oPRZRproportionalheaterbreaker-CLOSEDoPRZRbackupheaterbreaker-RESET/INAUTOPerformthefollowing:a.VerifyadequateD/GcapacityavailableforPRZRheaters(400kweachbank).Ib.ResetandclosePRZRproportionalheaterbr'eakerifnecessary.c.ResetPRZRbackupheaterbreakerandreturntoAUTOifnecessary.IFonnatural,circulationandatleast100kwofPRZRheaterscanNOTberestoredwithin"6hours,THENbeonRHRwithinanadditional6hours.(RefertoTechnicalSpecification3.1.1.5)
J EOP:AP-ELEC.1TITLE:LOSSOF12AAND/OR12BTRANSFORMERREV7PAGE17of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED27EstablishStablePlantConditions:a.Tavg-TRENDINGTOTREFb.PRZRpressure-TRENDINGTO2235PSIGc.PRZRlevel-TRENDINGTOPROGRAMa.Insertcontrolrodsor,ifnecessary,decreaseturbineloadtomatchTavgtoTref.b.VerifyproperoperationofPRZRheatersandsprayortakemanualcontrolofPC-431K.c.VerifyproperoperationofchargingpumpspeedcontrollersortakemanualcontrolofspeedcontrollerstocontrolPRZRlevel.28VerifyBothS/GLevels-GREATERTHAN25~oControlfeedflovasnecessarytorestorebothS/Glevelsgreaterthan25%.
'lllyF EOP:AP-ELEC.1TlTLE:LOSSOF12AAND/OR12BTRANSFORMERREV:7PAGE18of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONOBSERVED/GLOADINGLIMITSOF2300KWFOR1/2HOUR,2250KWFOR2HOURS,AND1950KWFORCONTINUOUSSERVICE.NOTE:Evaluateconditionstodetermineifturbineshouldbeplacedonturninggear.29EstablishNormalShutdownAlignment:a.Startturninggearoilpump(42kw)andverifypump-RUNNINGb.StopDCemergencyoilpumpc.VerifyadequateRxheadcooling:1)Verifyatleastonecontrolrodshroudfan-RUNNING2)VerifyoneRxcompartmentcoolingfan-RUNNINGd.DispatchAOtostartwastegascompressorasnecessarye.Startmaintransformercoolingfansasnecessarya.VerifyDCemergencyoilpumprunningandbreakvacuumtoaccelerateturbinecoastdown.ContinuewithStep29c.WHENshaftstops,THENstopDCemergencyoilpump.1)Manuallystartonefanaspowersupplypermits(45kw).2)Manuallystartonefanaspowersupplypermits(23kw).f.StartCNMTrecircfansasnecessary(240kweach)g.Verifyradiationmonitoringsystemoperatingasrequiredg.Resetradiationmonitorsandrestartventilationsystemsasnecessary.h.Verifymotorfirepumpbreaker-CLOSEDh.Closemotorfirepumpbreaker.
rr'P4s EOP:AP-ELEC.1TiTLE:LOSSOF12AAND/OR12BTRANSFORMERREV'PAGE19of19STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED30WHENConditionsPermit:,THENRestoreOffsite'ower(RefertoERELEC~1IRESTORATIONOFOFFSITEPOWER)31NotifyHigherSupervision/NOTE:Referto0-9.3,NRCIMMEDIATENOTIFICATION,forreportingrequirements.32ReturnToProcedureOrGuidanceInEffect-END-t EOP:AP-ELEC.1LOSSOF12AAND/OR12BTRANSFORMERREV:7PAGE1of1,AP-ELEC.1APPENDIXLIST"TITLEPAGES1)FIGUREMINSUBCOOLING2)ATTACHMENTNC WA.~
EOP:AP-ELEC.1T!TLE:LOSSOF12AAND/OR12BTRANSFORMERREV:7pAGE1of1FIGUREMINSUBCOOLINGNOTE:SubcoolingMargin=SaturationTemperatureFromFigureBelow[-]CoreExitT/CIndicationRC2500240023002200210020001900180017001600150014001300120011001000900=8007006005004003002001000SPRESSURE(PSIG)SUBCOOLEDREGIONECNMTADVERSRCSPRESSUREINCREMENTS20PSIGNORMALCNMTINADEQUATESUBCOOLINGREGIONTEMPERATUREINCREMENTS10'F200250300350-400450500550600650700COREEXITSATURATIONTEMPERATURE('F)