ML17264A977

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Rev 11 to AP-RCP.1, RCP Seal Malfunction.
ML17264A977
Person / Time
Site: Ginna Constellation icon.png
Issue date: 08/05/1997
From:
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17264A976 List:
References
AP-RCP.1, NUDOCS 9708130125
Download: ML17264A977 (32)
v • d • e


Text

EOP:AP-RCP.1TITLE:RCPSEALMALFUNCTIONREV11PAGE1of10ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERRESPONSIBLEAGEREFFECTIVEDATECATEGORY1.0REVIEWEDBY:9708i30125970805PDRADOCK05000244PDR EOP:AP-RCP.1RCPSEALMALFUNCTIONREV11PAGE2of10A.PURPOSE-Thisprocedureprovidestheinstructionsnecessarytodiagnoseandtorespondtoareactorcoolantpumpsealmalfunction.B.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.E-3,STEAMGENERATORTUBERUPTURE,orb.ES-l.l,SITERMINATION,orc.ES-1.2,POSTLOCACOOLDOWNANDDEPRESSURIZATION,ord.ECA-0.1,LOSSOFALLACPOWERRECOVERYWITHOUTSIREQUIRED,ore.ECA-2.1,UNCONTROLLEDDEPRESSURIZATIONOFBOTHSTEAMGENERATORS,orf.ECA-3.1,SGTRWITHLOSSOFREACTORCOOLANT-SUBCOOLEDRECOVERYDESIRED,org.ECA-3.2,SGTRWITHLOSSOFREACTORCOOLANT-SATURATEDRECOVERYDESIRED,.orh.ECA-3.3,SGTRWITHOUTPRESSURIZERPRESSURECONTROL,ori.FR-I.1,RESPONSETOHIGHPRESSURIZERLEVEL,whenRCPsealmalfunctionisindicated.2.SYMPTOMS-ThesymptomsofRCPSEALMALFUNCTIONare;a.AnnunciatorB-17(18),RCPA(B)No.1SEALHI-LOFLOW5.0GPM1.0,lit,orb.AnnunciatorB-9(10),RCPA(B)LABYRSEALLODIFFPRESS15"H20,lit,orc.AnnunciatorB-3(4),RCPA(B)STANDPIPEHILEVEL+1FT,lit,orContinuedonnextpage AP-RCP.1RCPSEALMALFUNCTIONREV:11PAGE3of102.SYMPTOMS(cont)d.AnnunciatorB-ll(12),RCPA(B)STANDPIPELOLEVEL-4FT,lit,ore.AnnunciatorB-25(26),RCPA(B)No.1SEALLODIFFPRESS220PSID,lit,orf.AnnunciatorB-l(2),RCPA(B)No.1SEALOUTHITEMP200'F,lit,or,g.AnnunciatorA-7(15),RCPA(B)CCWRETURNHIGHTEMPORLOWFLOW,lit.

EOP:AP-RCP.1TITLE:RCPSEALMALFUNCTIONREV11PAGE4of10STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDCAUTIONoIF,ATANYTIMEDURINGTHISPROCEDURE,A'EACTORTRIPORSIOCCURS,E-O,REACTORTRIPORSAFETYINJECTION,SHALLBEPERFORMED.oIFANYRCPISTRIPPED,THENSHUTDOWNMARGINREQUIREMENTSSHOULDBEVERIFIED(REFERTO0-3.1,BORONCONCENTRATIONFORXENONFREEALLRODSINMOSTREACTIVERODSTUCKOUTSHUTDOWNMARGIN).oIFARCPISSECUREDBECAUSEOFASEALMALFUNCTION,ITSHOULDNOTBERESTARTEDUNTILTHECAUSEOFTHEMALFUNCTIONHASBEENDETERMINEDANDCORRECTED.NOTE;oIfaReactortripisiTIitiatedwhileperformingStep1,transitiontoE-0shouldoccurwhilecompletingsubsequentactionsofthestep.oTotal¹1SealFlowisdefinedasthesumofindicated¹1SealLeakoffFlowandRCDTleakrate(PPCSPointIDL1003,3.2gal/8inthenormaloperatingrange).1CheckTotal$1SealLeakaffFlows-LESSTHAN8.0GPMIFa¹1SealFailureisverifiedbyadecreaseinLabyrSealDiffPressureORincreasingSealInlet/Outlettemps,THENperformthefollowing:a.IFreactortripbreakersclosed,THENtripthereactor.b.TriptheaffectedRCP(s).c.Allow4minutesforpumpcoastdown,THENcloseaffectedRCP(s)sealdischvalve.~RCPA,AOV-270A~RCPB,AOV-270Bd.IFreactortripwasNOTrequired,THENgotoStep4.

EOP:AP-RCP.1RCPSEALMALFUNCTIONREV11PAGE5of10STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED2CheckRCPSealReturnValveAlignment:a.RCPsealreturnisolationvalve,MOV-313-OPENa.Performthefollowing:1)EnsureCIreset.2)EnsurebothtrainsofXYrelaysforRCPsealreturnisolationvalve,MOV-313,reset.3)OpenRCPsealreturnisolationvalve,MOV-313.IFMOV-313canNOTbeopened,THENdispatchAOtoAUXBLDGwithRWSTareakeytocheckvalveandbreakerlocally(breakerMCCCposition13J).b.VerifyRCPsealdischvalvesOPEN~RCPA,AOV-270A~RCPB,AOV-270Bb.Manuallyopenvalves.IFvalvescanNOTbeopened,THENverifyIAalignedtoCNMTandgotoStep3.

I0f EOP:AP-RCP.1TITLE:RCPSEALMALFUNCTXONREV11PAGE6of10STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDVNOTE:oIfareactortripisinitiatedwhileperformingStep3,transitiontoE-0shouldoccurwhilecompletingsubsequentactionsofthestep.oThe0.8GPMlimitfor¹1sealflowapplieswhentheRCSisatnormaloperatingpressure.RefertoFigureRCPSEALLEAKOFFandconsultplantstaffforguidanceiftheRCSisatreducedpressure.3CheckTotalglSealFlow-BETWEEN0.8GPMAND6.0GPMIF¹1SealInletandOutlettemperaturesareincreasing,THENperformthefollowing:a.IFreactortripbreakersclosed,THENtripthereactor.b.TriptheaffectedRCP(s).c.Allow4minutesforpumpcoastdown,THENcloseaffectedRCP(s)sealdischvalve.~RCPA)AOV-270A~RCPB)AOV-270BIF¹1SealInletandOutlettemperaturesarestable,THENperformthefollowingwhilecontinuingwiththisprocedure.oIFtotal¹1SealFlowgreaterthan6.0gpm,THENmaintainsealinjectionflowrateof9.0GPMorgreatertotheaffectedRCP.oIFtotal¹1Sealflowexceeds8.0GPMORSealInlet/Outlettemperaturesbegintoincrease,THENreturntoStep1.oPreparefororderlypumpshutdownbyplacingtheplantinHotShutdownusing0-2.1,NORMALSHUTDOWNTOHOTSHUTDOWN.oSecuretheaffectedRCPwith8hours.

EOP:AP-RCP.1RCPSEALMALFUNCTIONREV11PAGE7of10STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:AttachmentRCPDIAGNOSTICSmaybeusedtoaidindiagnosis.4CheckRCPCooling:oAnnunciatorA-7,RCPACCWRETURNHIGHTEMPORLOWFLOW-EXTINGUISHEDoAnnunciatorA-15,RCPBCCWRETURNHIGHTEMPORLOWFLOW-EXTINGUISHEDPerformthefollowing:a.VerifyRCPCCWsupplyandreturnvalvesopen.~RCPA,MOV-749AandMOV-759A~RCPB,MOV-749BandMOV>>759Bb.En'sureopenCCWoutletvalvesfromRCPthermalbarriers.~RCPA,AOV-754A~RCPB,AOV-754B5CheckRCPg2SealIndications:oAnnunciatorB-3,RCPASTANDPIPEHILEVEL+1FT-EXTINGUISHED'AnnunciatorB-4,RCPBSTANDPIPEHILEVEL+1FT-EXTINGUISHEDIFaffectedRCP¹1sealleakoffflowdecreasing,THENfailureof¹2sealmaybeindicated.ContinueplantoperationwhilecloselymonitoringRCPsealindications.

EOP.AP-RCP.1TITLE:RCPSEALMALFUNCTIONREV:11PAGE8of10STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDCAUTIONREDUCINGCHARGINGFLOW'WILLRESULTININCREASINGREGENHXOUTLETTEMPERATURE.6CheckRCPLabyrinthSealD/Ps-GREATERTHAN15INCHESOFMATERPerformthefollowing:a.EnsureopenCCWoutletvalvesfromRCPthermalbarriers.~RCPA,AOV-754A~RCPB,AOV-754Bb.Verifysealinjectionflowgreaterthan5GPMforaffectedRCP.c.AdjustHCV-142asnecessary.d.DispatchAOtochecksealinjectionfilterD/P.e.CheckCCWsurgetanklevelstable.IFlevelincreasing,THENgotoAP-CCW.l,LEAKAGEINTOTHECOMPONENTCOOLINGLOOP.7CheckRCPg3SealIndications:oAnnunciatorB-ll,RCPASTANDPIPELOLEVEL-4FT-EXTINGUISHEDoAnnunciatorB-12,RCPBSTANDPIPELOLEVEL-4FT-EXTINGUISHEDCheckCNMTradiationmonitorsnormal.~R-11~R-12IFRCPstandpipelevellowandCNMTradiation'increasing,THEN¹3sealleakageincreaseisprobable.ContinueplantoperationwhilecloselymonitoringRCPsealindications.

1'l F.OP:AP-RCP.1LITLE:RCPSEALMALFUNCTIONREV11PAGE9of10STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:Intheabsenceofothersealfailureindications,anelevated¹1sealoutlettemperaturemayindicatepumpbearingdamage.*8MonitorPlantConditions:a.RCP¹1sealflowoTotal¹1sealleakoffflow-LESSTHAN6.0GPMoTotal¹1sealflow-GREATERTHAN0.8GPMa.IFaffectedRCPrunning,THENreturntoStep1.IFNOT,THENperformthefollow'ing:1)MonitoraffectedRCP(RefertoAttachmentRCPDIAGNOSTICS).b.RCP¹1SealFlow-WITHINTHENORMALOPERATINGRANGEOFFIGURERCPSEALLEAKOFF2)ConsultPlantStafftodetermineifcooldownrequired.b.Performthefollowing:oEnsuresealinjectionflowexceeds¹1sealleakoffflow.oRefertoS-2.1,ReactorCoolantPumpOperation.oConsultplantstaffforfurtherinstructions.c.RCP¹1sealoutlettemperaturesLESSTHAN215'NDSTABLEd.RCSleakage-NORMAL(Refertoleakagesurveillancesheet)c.IFpumpbearingdamageissuspected,THENnotifyplantstaffandexpediteshutdownoftheaffectedRCP.IFNOT,THENreturntcStep1.d.Performthefollowing:1)CalculateRCSleakrate.2)RefertoITSsection3.4e13.

AP-RCP.1TRCPSEALMALFUNCTIONREV:11PAGE10of10STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:Referto0-9.3,NRCIMMEDIATENOTIFICATION,forreportingrequirements.9NotifyHigherSupervision-END-EOP:AP-RCP.1TITLE:RCPSEALMALFUNCTIONREV:11PAGE1of1AP-RCP.1APPENDIXLISTTITLEr1)FIGURERCPSEALLEAKOFF2)ATTACHMENTRCPDIAGNOSTICSPAGES EOP:AP-RCP.1T!ZLE:RCPSEALMALFUNCTIONREV:11PAGE1of1FIGURERGPSEALLEAKOFFO'ISEALLEAKRATE(GPM)6LEAKRATEINCREMENTS0.2GPHNORMALOPERATINGRANGEDPINCREMENTS50PSI250500750100012501500175020002250250081SEALDP(RCSPRESS-VCTPRESS)PSI EOP:,P-TURB.5'fITLE:RAPIDLOADREDUCTIONREV'PAGE1of11ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERTECHNICALREVIEWRES0SIBLEMANAGEREFFECTIVEDATECATEGORY1.0REVIEWEDBY:

0 EOP:'P-TURB.5RAPIDLOADREDUCTIONREV:1PAGE2of11A.PURPOSEB.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-Thisprocedureisenteredfroma.TheSShasdeterminedthatarapidloadreductionisrequired.

EOP:P-TURB.5[ITl.E:RAPIDLOADREDUCTIONREV:1PAGE3of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*************x*x*x*x**x*xx***************CAUTIONoIFATANYTIMEDURINGTHISPROCEDURE,AREACTORTRIPORSIOCCURS,THENE-O,REACTORTRIPORSAFETYINJECTION,SHALLBEPERFORMED.oIFMAINFEEDWATERFLOWSHOULDDECREASETO25%OFFULLPOWERVALUE(.825E+6LBM/HR)PRIORTOTHEAMSACSYSTEMAUTOMATICALLYBLOCKING,THENATURBINETRIPANDAUXFEEDPUMPSSTARTCOULDRESULT.********x*******xxxx*xxxxx*xx**x*x****x**NOTE:oThisprocedureisintendedforusewhentherequiredloadreductionrateis)1%/min.oAmaximumcontinuousloadreductionrateof)5%/minwouldnotnormallybeusedunlessotherwisedirectedbytheShiftSupervisor.*1InitiateLoadReductiona.VerifyRODCONTROLBANKSELECTORSWITCHisinAUTOMATICa.IFAutoRodControlisinoperableORManualControlisdesired,THENperformthefollowing:1)PlaceRODCONTROLBANKSELECTORSWITCHtoMANUAL.b.ReduceturbineloadusingAutoTurbineEHControlifdesired1)Selectdesiredrateonthumbwheel2)InsertRodsasnecessarytomatchTavgandTref.b.IFAutoControlisinoperableORManualControl,isdesired,THENreduceturbineloadinmanualasdesired.2)Reducethesettertothedesiredload3)DepresstheGObuttonc.VerifySteamDumpoperatinginauto,asrequiredc.PlaceSteamDumpinmanualandoperateasnecessary.

EOP:P-TURB.5TITLE:RAPIDLOADREDUCTIONREV1PAGE4of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED***********xxxx*x**x***x**xxxxxxx*xx*x*xxCAUTIONEXTREMEANDRAPIDRODMOTIONTOMITIGATETAVGSWINGSMAYRESULTINLARGEPOWEREXCURSIONSANDSHOULDBEAVOIDED.**************xxxxx****x*xx*xxxxx*xxx*x*x2MonitorRCSTavgoTavg-GREATERTHAN545'FoTavg-LESSTHAN578'FVerifyAUTOcontrolrodmotionasrequired.IFNOT,THENplacerodcontrolbankselectorswitchtoMANUALandadjustcontrolrodsasnecessary.IFTavgisoutsidelimitsANDCANNOTbecontrolled,THENtripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION.NOTE:Athumbruleforinitialboronadditionis-2gal/0loadreduction.3AddBoricAcidAsNecessaryTo:oMaintainorreturnaFluxtothetargetbandoMaintaincontrolrodsaboveinsertionlimitsoMatchTavgandTrefoCompensateforxenon EOP:P-TURB.5TlTLE:RAPIDLOADREDUCTIONREV:lPAGE5ofllSTEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:ItispermissibletooperateRCPsforlimitedperiodswithoutsealinjection,providedCCWisbeingsuppliedtothethermalbarriers.4CheckIAAvailableToCNMToIApressure->60psigoInstrAirtoCN>lTIsolValve,AOV-5392-OPENControlPRZRlevelandpressureandfollows:IoAdjustloadreductionrateoEnsurecontrolrodsaremovingtocontrolTavgoSecurechargingpumpsifnecessaryoOperateproportionalandbackupheatersasrequired5MonitorPlantParameters-CONTROLLINGATORTRENDINGTOPROGRAMVALUES~PRZRPressure~PRZRLevel~S/GLevelIFanyparameterisapproachingatripsetpointANDCANNOTbecontrolled,THENtripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION.NOTE:Theloadreductionshouldnotbedelayedtoperformtheremainingsteps.6CheckIfCondensateBoosterPumpsShouldBeSecureda.Power<65%ORTrimValveV-9508Gindicates>80%opena.GotoStep13.b.Placetheautocondensateboosterpumptothetrippositionc.Stoponecondensateboosterpumpd.WHENthecondensatesystemstabilizes,THENstoptheremainingcondensateboosterpump EOP:'P-TURB.5I'ITLE:RAPIDLOADREDUCTIONREV:1PAGE6of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED7CheckIfOneMFWPumpShouldBeSecureda.Power<50%a.GotoStep13.b.VerifyatleastoneMFWPSealBoosterpumpinserviceb.NotifyAOtostartoneMFWPSealBoosterpumpc.TwoMFWPumpsrunningc.GotoStep8.d.Closedischargevalveforthepumptobesecured~MFWPumpA-MOV-3977~MFWPumpB-MOV-3976e.StopthedesiredMFWPumpf.ClosethesecuredMFWpumprecircvalvebyplacingthecontrolswitchinpullstopg.ClosetheservicewaterblockvalvetothesecuredMFWpumpoilcooler~MFWPumpA-V-4701~MFWPumpB-V-47028VerifyTrimValvesControllingCondensateSystemPressureinAuto(300-375PSIG)Placecontrollerinmanualandadjustpressureasnecessary EOP:P-TURB.5T,ITLE:RAPIDLOADREDUCTIONREV:1PAGE7of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED9CheckANSACSystemStatusa.Power<35%(-150psigfirststagepressure)b.VerifyAMSACAutoBlockStatusLightisONa.GotoStep13.b.PlaceAMSACManualBlockswitchtotheBLOCKposition10CheckHeaterDrainTankPumpStatusa.Generatorload<175MWeb.StoponeHeaterDrainTankPumpc.WHENHeaterDrainTanklevelcontrolisstable,THENstopthesecondHeaterDrainTankPumpa.GotoStep13.11CheckFWFlowBypassVlvStatusa.Power<30%b.FWFlowBypassVlvsinAUTO~HCV-480~HCV-481a.GotoStep13.b.Performthefollowing:1)SlowlyopentheFWFlowBypassVlvswhileverifyingtheassociatedFWRegVlvcompensatesbyclosingslightly2)PlaceFWFlowBypassVlvsinAUTO EOP:P-TURB.5RAPIDLOADREDUCTIONREV1PAGE8of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED12AlignSystemsForLowPowerOperationa.Power<30%a.GotoStep13.b.PlaceAOU-3959,CNDSTBypassUlvtoCLOSEc.PlaceLC-107,HotwellLevelControl,toMANUALd.Generatorload<100MWee.Openturbinedrainvalvesd.GotoStep13.13EvaluatePlantStatusa.Powerstableatdesiredlevela.IFpower)20%andfurtherreductionisrequired,THENcontinueloadreductionandreturntoStep6.IFpower<20%andfurtherreductionisrequired,THENrefertoprocedure0-2.1,NORMALSHUTDOWNTOHOTSHUTDOWN.

EOP:P-TURB.5jITLE:RAPIDLOADREDUCTIONREV:1PAGE9of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED14EstablishStablePlantConditions:a.Tavg-TRENDINGTOTREFa.Performthefollowing:1)VerifyAUTOcontrolrodmotionas,required.IFNOT,THENplacerodcontrolbankselectorswitchtoMANUALandadjustcontrolrodsasnecessary.2)Borateifrequiredforpowerreduction.b.PRZRpressure-TRENDINGTO2235PSIGb.VerifyproperoperationofPRZRheatersandsprayORtakemanualcontrolofPRZRpressurecontroller431K.IFPRZRpressurecanNOTbecontrolled,THENrefertoAP-PRZR.1,ABNORMALPRESSURIZERPRESSURE.c.PRZRlevel-TRENDINGTOPROGRAMc.VerifyproperoperationofchargingpumpspeedcontrollersORtakemanualcontrolofspeedcontrollerstocontrolPRZRlevel.d.RodinsertionlimitalarmsEXTINGUISHEDd.Borateasnecessaryandwithdrawcontrolrodstoclearinsertionlimitalarms(refertoaffectedrodbankalarmresponseproceduresifnecessary).e.NarrowrangeS/GlevelsTRENDINGTOPROGRAMLEVELe.EnsureMFWregulatingvalvescontrollinginAUTO,ORcontrolfeedwaterinMANUAL.

EOP:P-TURB.5TITLE:RAPIDLOADREDUCTIONREV'PAGE10of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED15EstablishNormalPlantConditions:a.VerifyEHcontrolinOPERPANandIMPINb.Verifysteamdumpcontroller,HC-484,inAUTOat1005psigc.VerifyannunciatorG-15,STEAMDUMPARMED-EXTINGUISHEDa.IFconditionsrequiringmanualoperationhavecleared,THENplaceEHinOPERPANandIMPIN.c.IFTavgwithin6'FofTref,THENperformthefollowing:1)Ensuresteamdumpvalvesclosed.d.VerifyPRZRpresssurecontrolinAUTO2)Resetsteamdump.d.PlacePRZRpressurecontrolinAUTOasdesired.~431Kmastercontroller~PRZRsprayvalvecontrollers~PRZRheatercontrollerse.VerifyPRZRlevelcontrolinAUTO)e.PlaceonechargingpumpspeedcontrollerinAUTOifdesired.f.VerifyRodControlSelectorSwitchinAUTOf.PlaceRodControlSelectorSwitchinAUTOifdesired.NOTE:Referto0-9.3,NRCIMMEDIATENOTIFICATION,forreportingrequirements.16NotifyHigherSupervision FOP:P-TURB.5%1TLE:RAPIDLOADREDUCTIONREV1PAGE11of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED17Referto0-5.1,LOADREDUCTIONS,foradditional"guidance18ReturnToProcedureOrGuidanceInEffect-END-

I~P EOIa:ATT-9.0TITLE:ATTACHMENTLETDOWNREV:5PAGE1of1Superintendent.Y~.Inate7A'iA)Thefollowingconditionsmustbemettoplaceeithernormalorexcessletdowninservice:oIAtoCNMT-ESTABLISHEDQCCW-INSERVICEoPRZRlevel-GREATERTHAN13%B)EstablishNormalLetdown:1.EstablishcharginglineflowtoREGENHx-GREATERTHAN20gpm.2.PlacethefollowingswitchestoCLOSE:oLetdownorificevalves(AOV-200A,AOV-200B,andAOV-202)oAOV-427,loopBcoldlegtoREGENHx3.PlaceletdowncontrollersinMANUALat40%open:oTemperaturecontrolvalve,TCV-130oPressurecontrolvalve,PCV-1354.VerifyAOV-371,letdownisolationvalve-OPEN.5.OpenloopBcoldlegtoREGENHx,AOV-427.6.Openone40gpmletdownorificevalve(AOV-200AorAOV-200B).7.PlaceTCV-130inAUTOat105'F.8.PlacePCV-135inAUTOat250psig.9.AdjustchargingpumpspeedandHCV-142asnecessarytostabliziePRZRlevelandmaintainRCPlabyrinthsealD/P.C)IFnormalletdowncanNOTbeestablished,THENestablishexcessletdown:1.PlaceAOV-312toNORMAL.2.EnsureCCWfromexcessletdownHx,(AOV-745)-OPEN.3.OpenexcessletdownisolationvalveAOV-310.4.SlowlyopenHCV-123tomaintainexcessletdowntemperaturelessthan195'Fandpressurelessthan100psig.15.AdjustchargingpumpspeedasnecessarytostabilizePRZRlevelandmaintainRCPlabyrinth.sealD/P.

DistributionSheetDistri-.txt~Hi$PP>/~a~~Priority:NormalFrom:E-RIDS1ActionRecipients:RidsNrrPMGVissingCopies:0OKInternalRecipients:RidsRgn1MailCenterRidsNrrDipmEphpRidsManagerIRODHaanFlECENTEROlDennisHaganExternalRecipients:011000OKOKOKPaperCopyPaperCopyOKTotalCopies:Item:ADAMSDocumentLibrary:MLADAMS"HQNTAD01ID'03719331:1

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Revision22toGinnaStationEmergencyPlanImplementingProcedure5-2.Body:ADAMSDISTRIBUTIONNOTIFICATION.ElectronicRecipientscanRIGHTCLICKandOPENfhefirstAttachmenttoViewtheDocumentinADAMS.TheDocumentmayalsobeviewedbysearchingforAccessionNumberML003719331~A045-ORSubmittal:EmergencyPreparednessPlans,ImplementingProcedures,CorrePage1 spondenceDistri>>2.txtDocket:05000244Page2

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