ML17263A304

Rev 7 to AP-TURB.1, Turbine Trip W/O Rx Trip Required.

ML17263A304
Person / Time
Site:	Ginna
Issue date:	05/07/1993
From:	MARLOW T A ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17263A305	List: ML17263A304 ML17263A306 ML17309A519
References
AP-TURB.1, NUDOCS 9306040151
Download: ML17263A304 (19)

Text

EOP:P-TURB.1TITLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE1of12ROCHESTERGASANDELECTRICORPORATIONGINNASTATONCONTROLLEDCOPYBERTECHNICALREVIEWPORCVIEWDATEPTSUPERINTENDENTEFFTIVEDATECATGRY1.0REVIEWEDBY:9306040i5i930524PDRADQCK05000244PPDRL

\~EOP:P-TURB.'1TITLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV7PAGE2of12A.PURPOSE-Thisprocedureprovidesthenecessaryinstructionstocontroltheplantfollowingaturbinetripwithoutareactortriprequired.B.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.AP-CW.1,LOSSOFACIRCWATERPUMP,or,b.AP-ELEC.l,LOSSOF12AAND/OR12BTRANSFORMER,or,c~APFW1gPARTIALORCOMPLETELOSSOFMAINFEEDWATERgor,d.AP-TURB.2,AUTOMATICTURBINERUNBACK,or,e.AP-TURB.3,TURBINEVIBRATIONS,or,f.AP-TURB.4,LOSSOFCONDENSERVACUUM,whenpowerislessthanP-9andtheturbinetripswithoutaRxtrip.2.SYMPTOMS-ThesymptomsofTURBINETRIPWITHOUTRXTRIPREQUIREDare:a~b.c~d.e.giAnnunciatorK-l,THRUSTBEARINGFAILURE,lit,orAnnunciatorK-9,TURBINEBEARINGOILLOPRESSTRIP6psi,lit,orAnnunciatorK-17,TURBINELOWVACUUMTRIP20"HG,lit,orAnnunciatorK-18,MAINFEEDWATERPUMPSTRIPPED,lit,orAnnunciatorK-26,GENERATORLOCKOUTRELAY,lit,orAnnunciatorK-25,TURBINEOVERSPEEDALERT1980RPM,lit,orAnnunciatorF-21,CONDHIPRESS20"HGORLOSSOFBOTHCIRCWTRPMPS,lit,orh.AnnunciatorK-3,AMSACACTUATED,lit.

~lT EOP:P-TURB;1TITLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV7PAGE3of12STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED***************.**************************CAUTIONIF,ATANYTIMEDURINGTHISPROCEDURE,AREACTORTRIPORSIOCCURS,E-O,REACTORTRIPORSAFETYINJECTION,SHALLBEPERFORMED.1VerifyTurbineStopValves-CLOSEDManuallytripturbine.IFturbinestopvalvescanNOTbeclosed,THENclosebothMSIVs.IFreactorpowergreaterthan8%withbothMSIVsclosed,THENmanuallytripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION.

EOP:P-'TURB;1T!TLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE4of12STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONPRZRPRESSURELOWPRESSURETRIPISRATESENSITIVE,THEREFORE,MONITORPRESSUREWHENREDUCINGRCSTEMPERATURE.*****************************************NOTE:Automaticrodcontrolisdesired,ifavailable.2CheckReactor,Power:a.NISintermediateranges-ABOVETHEPOINTOFADDINGHEAT(APPROXIMATELY2.5xlO6AMPS)a.GotoStep3.b.VerifycontrolrodsdrivingintoreducereactorpowerinAUTOb.Performthefollowing:l)EnsureRODCONTROLBANKSELECTORswitchtoMANUAL2)Insertrodsasnecessarytoreducereactorpower.c.Borateasnecessarytomaintaincontrolrodsaboverodinsertionlimits EOP:P-TURB;1TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE5of12STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED3MonitorS/GLevels:a.Levels-GREATERTHAN30%ORINCREASINGa.IFMFWregulatingandbypassvalvesNOTcontrollinginAUTO,THENplacecontrollersinMANUALandrestorenarrowrangeleveltoprogram.IFS/GlevelcanNOTberestored,THENtripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION.b.Levels-TRENDINGTOPROGRAMb.IFS/Glevelaboveprogramandincreasinguncontrolled,THENplacecontroller(s)inMANUALanddecreaseflowasnecessary.IFflowcanNOTbecontrolled,THENperformthefollowing:l)Tripthereactor.2)StoptherunningMFWpump.3)CloseMFWpumpdischargevalves.4)GotoE-O,REACTORTRIPORSAFETYINJECTION.

EOP:P.~TURB;1TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE6of12STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED4VerifyProperOperationOfSteamDump:a.VerifyannunciatorG-15,STEAMDUMPARMED-LITa.PlacesteamdumpmodeselectorswitchtoMANUAL.b.CondensersteamdumpoperatinginAUTOb.IFsteamdumpNOTavailable,THENperformthefollowing:1)AdjustS/GARVsetpointsto1005psigandverifyproperoperation.2)IFpowerisgreaterthan8%,THENensurereactortripandgotoE-O,REACTORTRIPORSAFETYINJECTION.c.Tavg-TRENDINGTOPROGRAMc.IFTavgcanNOTbecontrolled,THENmanuallytripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION.5CheckPRZRPressure-TRENDINGTO2235PSIGIFPRZRpressurecanNOTbecontrolled,THENrefertoAP-PRZR.1,ABNORMALPRESSURIZERPRESSURE.

EOP:P-TURB;1TITLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE7of12STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED6CheckPRZRLevel:a.Level-GREATERTHAN13%a.Performthefollowing:1)PlaceloopBcoldlegisolationvalvetoREGENHx(AOV-427)switchtoCLOSE.2)PlaceletdownorificevalveswitchestoCLOSE(AOV-200A,AOV-200B,andAOV-202).3)Verifyexcessletdownisolationvalve(AOV-310)closed.4)EnsurePRZRheatersoff.5)ControlchargingtorestorePRZRlevelgreaterthan13%.6)WHENPRZRlevelgreaterthan13%,THENrestoreletdown.b.Level-TRENDINGTOPROGRAM'b.IncreasechargingflowasnecessarytorestorePRZRleveltoprogram.

EOP:P-TURB;1T1jLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV7PAGE8of12STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED7CheckMFWSystem:a.VerifyMFWregulatingandbypassvalves-OPERATINGINAUTOb.MFWpumps-BOTHRUNNINGc.CloseoneMFWpumpdischargevalvea.PlaceMFWregulatingandbypassvalvecontrollersinMANUALandrestoreS/Glevel.b.Performthefollowing:1)VerifyoneMFWpumprunning.IFNOT,THENverifybothMDAFWpumpsrunning.2)GotoStep8.d.StopselectedMFWpump8EstablishStablePlantConditions:a.PlacerodcontrolbankselectorinMANUALb.NISintermediateranges-BELOWTHEPOINTOFADDINGHEAT(APPROXIMATELY2.5x10AMPS)b.ReturntoStep2.c.PRZRpressure-BETWEEN2220PSIGAND2260PSIGd.PRZRlevel-TRENDINGTOPROGRAMe.S/Glevels-TRENDINGTOPROGRAMf.RCSTavg-GREATERTHAN540'Fc.ControlPRZRheatersandsprayasnecessary.d.Controlchargingasnecessary.e.ControlS/Gfeedflowasnecessary.f.Controldumpingsteamasnecessary.IFcooldowncontinues,THENclosebothMSIVs.

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EOP:P-WRB:1T1TLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV7PAGE9of12STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED****************************************CAUTIONIFANYS/GLEVELABOVEPROGRAM,THENAFWFLOWMAYBETHROTTLEDIMMEDIATELYTOPREVENTS/GISOLATION.NOTE:MaintainReactorpowerlessthan2%.ThisiswithinthecapacityofMDAFWpumps.49CheckS/GFeedFlowStatus:a.ManuallystartbothMDAFWpumpsb.VerifyAFWflow-ESTABLISHEDc.VerifyMFWflowcontrolvalvesCLOSED~MFWregulatingvalves~MFWbypassvalvesd.CloseMFWpumpdischargevalves~MOV-3977,AMFWpump~MOV~976,BMFWpumpe.StopanyrunningMFWpumpandplaceinPULLSTOPf.CheckS/Glevel-TRENDINGTO39%b.Performthefollowing:1)EstablishMFWflowusingMFWregulatingvalvebypassvalves.IFMFWNOTavailable,THENmanuallystartTDAFWpumpandestablishflowasnecessary.2)GotoStep10.c.PlaceAandBMFWregulatingandbypassvalvecontrollersinmanualat0%demand.f.AdjustMDAFWpumpflowasnecessarytorestoreS/Glevel.

EOP:P~TURB."1TITLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE10of12STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED*****************************************CAUTIONWHENFEEDINGBOTHS/G(S)USINGONEMDAFWPUMP,THENTHESUMOFTHEFLOWSTOBOTHS/G(S)MUSTBELESSTHAN230GPM.10EstablishNormalAFWPumpShutdownAlignment:a.PlaceAFWbypassswitchestoDEFb.Verifythefollowing:oBothS/Glevels-STABLEORINCREASINGb.ContinuewithStepll.WHENconditionsmet,THENdoSteps10cthroughf.oTotalAFWflow-LESSTHAN200GPMc.CloseMDAFWpumpdischargevalves~MOV-4007~MOV-4008d.StopallbutoneMDAFWpumpe.OpenAFWdischargecrossovervalves~MOV-4000A~MOV-4000Bf.OpenAFWbypassvalvesasnecessarytocontrolS/Glevels~AOV-4480~AOV-4481 EOP:TITLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE11of12STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED11EstablishNormalShutdownAlignment:a.Checkcondenser-AVAILABLEa.DispatchAOtoperformAttachmentSD-2.b.Performthefollowingasnecessary:oOpengeneratordisconnects~1G13A71~9X13A73oPlacevoltageregulatortoOFFoOpenturbinedrainvalvesoRotatereheatersteamsupplycontrollercerntoclosevalvesoPlacereheaterdumpvalveswitchestoHANDoStopallbutonecondensatepumpc.VerifyBusllAandBusllBenergized-BOTHBUSSESGREATERTHAN4KVc.IFeitherbusNOTenergized,THENreferto0-6.9.2,ESTABLISHINGAND/ORTRANSFERRINGOFFSITEPOWERTOBUS12A/BUS12B.d.DispatchAOtoperformAttachmentSD-1

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EOP:IIPERTURB;1TURBINETRIPWITHOUTRXTRIPREQUIREDREV7PAGE12of12STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:Referto0-9.3,NRCIMMEDIATENOTIFICATION,forreportingrequirements.12NotifyHigherSupervision13EstablishDesiredPlantConditions:a.Reactorshutdown-DESIREDa.IFturbineistoberestoredtoservice,THENmaintainreactorcriticalandreferto0-1.2,PLANTFROMHOTSHUTDOWNTOSTEADYLOAD.b.Referto0-2.1,NORMALSHUTDOWNTOHOTSHUTDOWN-END-0~J0 EOP:TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE1of1AP-TURB.1APPENDIXLISTTITLEPAGES1)2)ATTACHMENTSD-1ATTACHMENTSD-2