ML17263A304

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Rev 7 to AP-TURB.1, Turbine Trip W/O Rx Trip Required.
ML17263A304
Person / Time
Site: Ginna Constellation icon.png
Issue date: 05/07/1993
From: MARLOW T A
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17263A305 List:
References
AP-TURB.1, NUDOCS 9306040151
Download: ML17263A304 (19)


Text

EOP:P-TURB.1TITLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE1of12ROCHESTER GASANDELECTRICORPORATION GINNASTATONCONTROLLED COPYBERTECHNICAL REVIEWPORCVIEWDATEPTSUPERINTENDENT EFFTIVEDATECATGRY1.0REVIEWEDBY:9306040i5i 930524PDRADQCK05000244PPDRL

\~EOP:P-TURB.'1 TITLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV7PAGE2of12A.PURPOSE-Thisprocedure providesthenecessary instructions tocontroltheplantfollowing aturbinetripwithoutareactortriprequired.

B.ENTRYCONDITIONS/SYMPTOMS 1.ENTRYCONDITIONS

-Thisprocedure isenteredfrom:a.AP-CW.1,LOSSOFACIRCWATERPUMP,or,b.AP-ELEC.l, LOSSOF12AAND/OR12BTRANSFORMER, or,c~APFW1gPARTIALORCOMPLETELOSSOFMAINFEEDWATERgor,d.AP-TURB.2, AUTOMATIC TURBINERUNBACK,or,e.AP-TURB.3, TURBINEVIBRATIONS, or,f.AP-TURB.4, LOSSOFCONDENSER VACUUM,whenpowerislessthanP-9andtheturbinetripswithoutaRxtrip.2.SYMPTOMS-ThesymptomsofTURBINETRIPWITHOUTRXTRIPREQUIREDare:a~b.c~d.e.giAnnunciator K-l,THRUSTBEARINGFAILURE,lit,orAnnunciator K-9,TURBINEBEARINGOILLOPRESSTRIP6psi,lit,orAnnunciator K-17,TURBINELOWVACUUMTRIP20"HG,lit,orAnnunciator K-18,MAINFEEDWATER PUMPSTRIPPED,lit,orAnnunciator K-26,GENERATOR LOCKOUTRELAY,lit,orAnnunciator K-25,TURBINEOVERSPEED ALERT1980RPM,lit,orAnnunciator F-21,CONDHIPRESS20"HGORLOSSOFBOTHCIRCWTRPMPS,lit,orh.Annunciator K-3,AMSACACTUATED, lit.

~lT EOP:P-TURB;1TITLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV7PAGE3of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED***************.**************************CAUTIONIF,ATANYTIMEDURINGTHISPROCEDURE, AREACTORTRIPORSIOCCURS,E-O,REACTORTRIPORSAFETYINJECTION, SHALLBEPERFORMED.

1VerifyTurbineStopValves-CLOSEDManuallytripturbine.IFturbinestopvalvescanNOTbeclosed,THENclosebothMSIVs.IFreactorpowergreaterthan8%withbothMSIVsclosed,THENmanuallytripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION.

EOP:P-'TURB;1T!TLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE4of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONPRZRPRESSURELOWPRESSURETRIPISRATESENSITIVE, THEREFORE, MONITORPRESSUREWHENREDUCINGRCSTEMPERATURE.

                                                                                  • NOTE:Automatic rodcontrolisdesired,ifavailable.

2CheckReactor,Power:a.NISintermediate ranges-ABOVETHEPOINTOFADDINGHEAT(APPROXIMATELY 2.5xlO6AMPS)a.GotoStep3.b.VerifycontrolrodsdrivingintoreducereactorpowerinAUTOb.Performthefollowing:

l)EnsureRODCONTROLBANKSELECTORswitchtoMANUAL2)Insertrodsasnecessary toreducereactorpower.c.Borateasnecessary tomaintaincontrolrodsaboverodinsertion limits EOP:P-TURB;1TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE5of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED3MonitorS/GLevels:a.Levels-GREATERTHAN30%ORINCREASING a.IFMFWregulating andbypassvalvesNOTcontrolling inAUTO,THENplacecontrollers inMANUALandrestorenarrowrangeleveltoprogram.IFS/GlevelcanNOTberestored, THENtripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION.

b.Levels-TRENDINGTOPROGRAMb.IFS/Glevelaboveprogramandincreasing uncontrolled, THENplacecontroller(s) inMANUALanddecreaseflowasnecessary.

IFflowcanNOTbecontrolled, THENperformthefollowing:

l)Tripthereactor.2)StoptherunningMFWpump.3)CloseMFWpumpdischarge valves.4)GotoE-O,REACTORTRIPORSAFETYINJECTION.

EOP:P.~TURB;1TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE6of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED4VerifyProperOperation OfSteamDump:a.Verifyannunciator G-15,STEAMDUMPARMED-LITa.PlacesteamdumpmodeselectorswitchtoMANUAL.b.Condenser steamdumpoperating inAUTOb.IFsteamdumpNOTavailable, THENperformthefollowing:

1)AdjustS/GARVsetpoints to1005psigandverifyproperoperation.

2)IFpowerisgreaterthan8%,THENensurereactortripandgotoE-O,REACTORTRIPORSAFETYINJECTION.

c.Tavg-TRENDINGTOPROGRAMc.IFTavgcanNOTbecontrolled, THENmanuallytripthereactorandgotoE-O,REACTORTRIPORSAFETYINJECTION.

5CheckPRZRPressure-TRENDINGTO2235PSIGIFPRZRpressurecanNOTbecontrolled, THENrefertoAP-PRZR.1, ABNORMALPRESSURIZER PRESSURE.

EOP:P-TURB;1TITLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE7of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED6CheckPRZRLevel:a.Level-GREATERTHAN13%a.Performthefollowing:

1)PlaceloopBcoldlegisolation valvetoREGENHx(AOV-427) switchtoCLOSE.2)PlaceletdownorificevalveswitchestoCLOSE(AOV-200A, AOV-200B, andAOV-202).

3)Verifyexcessletdownisolation valve(AOV-310) closed.4)EnsurePRZRheatersoff.5)ControlchargingtorestorePRZRlevelgreaterthan13%.6)WHENPRZRlevelgreaterthan13%,THENrestoreletdown.b.Level-TRENDINGTOPROGRAM'b.Increasechargingflowasnecessary torestorePRZRleveltoprogram.

EOP:P-TURB;1T1jLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV7PAGE8of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED7CheckMFWSystem:a.VerifyMFWregulating andbypassvalves-OPERATING INAUTOb.MFWpumps-BOTHRUNNINGc.CloseoneMFWpumpdischarge valvea.PlaceMFWregulating andbypassvalvecontrollers inMANUALandrestoreS/Glevel.b.Performthefollowing:

1)VerifyoneMFWpumprunning.IFNOT,THENverifybothMDAFWpumpsrunning.2)GotoStep8.d.StopselectedMFWpump8Establish StablePlantConditions:

a.PlacerodcontrolbankselectorinMANUALb.NISintermediate ranges-BELOWTHEPOINTOFADDINGHEAT(APPROXIMATELY 2.5x10AMPS)b.ReturntoStep2.c.PRZRpressure-BETWEEN2220PSIGAND2260PSIGd.PRZRlevel-TRENDINGTOPROGRAMe.S/Glevels-TRENDINGTOPROGRAMf.RCSTavg-GREATERTHAN540'Fc.ControlPRZRheatersandsprayasnecessary.

d.Controlchargingasnecessary.

e.ControlS/Gfeedflowasnecessary.

f.Controldumpingsteamasnecessary.

IFcooldowncontinues, THENclosebothMSIVs.

A~~

EOP:P-WRB:1T1TLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV7PAGE9of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED****************************************CAUTIONIFANYS/GLEVELABOVEPROGRAM,THENAFWFLOWMAYBETHROTTLED IMMEDIATELY TOPREVENTS/GISOLATION.

NOTE:MaintainReactorpowerlessthan2%.ThisiswithinthecapacityofMDAFWpumps.49CheckS/GFeedFlowStatus:a.ManuallystartbothMDAFWpumpsb.VerifyAFWflow-ESTABLISHED c.VerifyMFWflowcontrolvalvesCLOSED~MFWregulating valves~MFWbypassvalvesd.CloseMFWpumpdischarge valves~MOV-3977, AMFWpump~MOV~976,BMFWpumpe.StopanyrunningMFWpumpandplaceinPULLSTOPf.CheckS/Glevel-TRENDINGTO39%b.Performthefollowing:

1)Establish MFWflowusingMFWregulating valvebypassvalves.IFMFWNOTavailable, THENmanuallystartTDAFWpumpandestablish flowasnecessary.

2)GotoStep10.c.PlaceAandBMFWregulating andbypassvalvecontrollers inmanualat0%demand.f.AdjustMDAFWpumpflowasnecessary torestoreS/Glevel.

EOP:P~TURB."1TITLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE10of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED*****************************************CAUTIONWHENFEEDINGBOTHS/G(S)USINGONEMDAFWPUMP,THENTHESUMOFTHEFLOWSTOBOTHS/G(S)MUSTBELESSTHAN230GPM.10Establish NormalAFWPumpShutdownAlignment:

a.PlaceAFWbypassswitchestoDEFb.Verifythefollowing:

oBothS/Glevels-STABLEORINCREASING b.ContinuewithStepll.WHENconditions met,THENdoSteps10cthroughf.oTotalAFWflow-LESSTHAN200GPMc.CloseMDAFWpumpdischarge valves~MOV-4007~MOV-4008d.StopallbutoneMDAFWpumpe.OpenAFWdischarge crossover valves~MOV-4000A

~MOV-4000B f.OpenAFWbypassvalvesasnecessary tocontrolS/Glevels~AOV-4480~AOV-4481 EOP:TITLE:TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE11of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINED11Establish NormalShutdownAlignment:

a.Checkcondenser

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

oOpengenerator disconnects

~1G13A71~9X13A73oPlacevoltageregulator toOFFoOpenturbinedrainvalvesoRotatereheatersteamsupplycontroller cerntoclosevalvesoPlacereheaterdumpvalveswitchestoHANDoStopallbutonecondensate pumpc.VerifyBusllAandBusllBenergized

-BOTHBUSSESGREATERTHAN4KVc.IFeitherbusNOTenergized, THENreferto0-6.9.2,ESTABLISHING AND/ORTRANSFERRING OFFSITEPOWERTOBUS12A/BUS12B.d.DispatchAOtoperformAttachment SD-1

('

EOP:IIPERTURB;1 TURBINETRIPWITHOUTRXTRIPREQUIREDREV7PAGE12of12STEPACTION/EXPECTED RESPONSERESPONSENOTOBTAINEDNOTE:Referto0-9.3,NRCIMMEDIATE NOTIFICATION, forreporting requirements.

12NotifyHigherSupervision 13Establish DesiredPlantConditions:

a.Reactorshutdown-DESIREDa.IFturbineistoberestoredtoservice,THENmaintainreactorcriticalandreferto0-1.2,PLANTFROMHOTSHUTDOWNTOSTEADYLOAD.b.Referto0-2.1,NORMALSHUTDOWNTOHOTSHUTDOWN-END-0~J0 EOP:TURBINETRIPWITHOUTRXTRIPREQUIREDREV:7PAGE1of1AP-TURB.1 APPENDIXLISTTITLEPAGES1)2)ATTACHMENT SD-1ATTACHMENT SD-2