ML17264B039

Proposed Tech Specs Revising Allowable Value & Trip Setpoint for High Steam Flow Input Into LCO Table 3.3.2-1,Function 4d (Main Steam Isolation) to Address Issues Identified in Rev Revised Setpoint Analysis Study

ML17264B039
Person / Time
Site:	Ginna
Issue date:	09/29/1997
From:	ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17264B034	List: ML17264B033 ML17264B038 ML17264B039
References
NUDOCS 9710020027
Download: ML17264B039 (8)

Text

AttachmentIIMarkedUpCopyofR.E.GinnaNuclearPowerPlantTechnicalSpecificationsIncludedPages:3.3-26B3.3-82*,B3.3-84"ThesebasespagesarebeingprovidedforinformationonlytoshowthechangesRG8cEintendstomakefollowingNRCapprovaloftheI.AR.ThebasesareunderRGBcontrolforallchangesinaccordancewithSpecification5.5.13.9710020027970929PDRADQCK05000244PPDR ESFASInstrumentation3.3.2Table3.3'-1(page2of3)EngineeredsafetyFeatureActuationsystemInstrwlentationFUNCTIONAPPLICABLEMODESOROTHERSPECIFIEDCONDITIONSREQUIREDSURVEILLANCECHANNELSCONDITIONSREQUIREMENTSALLOMABLEVALUETRIPSETPOINT4.SteamLineIsolationa.ManualInitiationb.AutomaticActuationLogicandActuationRelaysc.ContaimentPressure-HighHigh(b)3(b)12(b)3(b)12(b)3(b)1perloop2trainsD,GE,G-F,GSR3.3.2.4SR3.3.2'SR3.3.2.1s20psigRR3.3.2.2SR3.3.2.5NANA(C.RR-Id.HighSteamFlow12(b)3(b)2per~~steamlineF,GSR3.3.2.1SR3.3.2.2SR3.3.2.50.(I(=.(s~ibm/hr9i%i-ps+IOUSPrs0.4E6ibm/hroI~vpslgIOOSCoincidentwithSafetyInjectionRefertoFunction1(SafetyInjection)forallinitiationfunctionsandrequirements.CoincidentwithT,~-Low12232perloopF,GSR3.3.2.1a543FSR3.3.2.2SR3.3.2.5a545Fe.High-HighSteamFlow1,2,32persteamlineF,GSR3.3.2.1SR3.3.2.2SR3.3.2.5<3.7E6s3.6E6ibm/hr9ibm/hra755pslg755pslgCoincidentwithSafetyInjectionRefertoFunction1(SafetyInjection)forallinitiationfunctionsandrequirements.(b)ExceptwhenbothMSIVsareclosedandde-activated.(continued)R.E.GinnaNuclearPowerPlant3.3-26AmendmentNo.61 It ESFASInstrumentationB3.3.2BASESAPPLICABLESAFETYANALYSES,LCO,andAPPLICABILITYc.SteamLineIsolation-ContainmentPressure-HihHih(continued)ContainmentPressure-HighHighmustbeOPERABLEinMODESI,2,and3,becausethereissufficientenergyintheprimaryandsecondarysidetopressurizethecontainmentfollowingapipebreak.Thiswouldcauseasignificantincreaseinthecontainmentpressure,thusallowingdetectionandclosureoftheMSIVs.ThesteamlineisolationFunctionmustbeOPERABLEinMODES2and3unlessbothMSIVsareclosedandde-activated.InMODES4,5,and6thesteamlineisolationFunctionisnotrequiredtobeOPERABLEbecausethereisnotenoughenergyintheprimaryandsecondarysidestopressurizethecontainmenttotheContainmentPressure-HighHighsetpoint.d.SteamLineIsolation-HihSteamFlowCoincidentWithSafetIn'ectionandCoincidentWithT-LowThisFunctionprovidesclosureoftheMSIVs~w<'+'P'uringanSLBorinadvertentopenjygof@g4Gatmosphericrelieforsafetyvalv8tomaintainatleastoneunfaultedSGasaheatsinkforthereactor,andtolimitthemassandenergyreleasetocontainment.(continued)R.E.GinnaNuclearPowerPlantB3.3-82Revision6 ESFASInstrumentationB3.3.2BASESAPPLICABLESAFETYANALYSES,LCO,andAPPLICABILITYd.SteamLineIsolation-HihSteamFlowCoincidentWithSafetIn'ectionandCoincidentWithT-Low(continued)ThisFunctionmustbeOPERABLEinHODESI,2,and3whenasecondarysidebreakorstuckopenvalvecouldresultinrapiddepressurizationofthesteamlines.TheSteamLineIsolationFunctionisrequiredtobeOPERABLEinHODES2and3unlessbothHSIVsareclosedandde-activated.ThisFunctionisnotrequiredtobeOPERABLEinHODES4,5,and6becausethereisinsufficientenergyinthesecondarysideoftheplanttohaveanaccident.e.SteamLineIsolation-HihHihSteamFlowCoincidentWithSafetIn'ectiontionprovidesclosureoftheHSIdur~inateamlinebrea(ordnaentopenin+ofanSG~aeÃper>creisvalvetoannaeastoneunfaultedSGasaeatsinkforthereactor,andtolimitthemassandenergyreleasetocontainment.FlOOWnlaidValue-~~"c+ptetin<-'ba+5o~~~po~itnv44(oQQcqp~orTwosteamlineflowchannelspersteamlinearerequiredtobeOPERABLEforthisFunction.Thesearecombinedinaone-out-of-twologict,oindicatehigh-highsteamflowinonesteamline.FT-464andFT-465arethetwochannelsrequiredforsteamlineA.FT-474andFT-475arethetwochannelsrequiredforsteamlineB.EachsteamlineisconsideredaseparatefunctionforthepurposeofthisLCO.Thesteamflowtransmittersprovidecontrolinputs,butthecontrolfunctioncannotinitiateeventsthattheFunctionactstomitigate.Therefore,additionalchannelsarenotrequiredtoaddresscontrolprotectioninteractionissues.S+ta~o~a~o~~co~iiooapQ,~~4~w,~gAlai+lALo~OdlJ)A'Lgiwic,HAIIQ'ieo~~'ELJclod~oga~+io~eo~cw~~~h(continued)R.E.GinnaNuclearPowerPlantB3.3-84Revision6 AttachmentIIIProposedTechnicalSpecificationsIncludedPages:3.3-26 eESFASInstrumentation3.3.2Table3.3.2-1(page2of3)EngineeredSafetyFeatureActuationSystemInstrwentationFUNCTIONAPPLICABLEMODESOROTHERSPECIFIEDCOHDITIOHSREQUIRED'URVEILLANCEALLOHABLECHANNELSCONDITIONSREQUIREMENTSVALUETRIPSETPOINT4.SteamLineIsolationa.ManualInitiation12(b)3(b)1perloopD,GSR3.3.2.4HAHAb.AutomaticActuationLogicandActuationRelays1,2()3()2trainsE,GSR3.3.2.7HAHAc.ContainmentPressure-HighHighd.HighSteamFlow12(b)3(b)12(b)3(b)2pr~~steamlineF,GF,GSR3.3.2.1SR3.3.2.2SR3.3.2.5SR3.3.2.1"SR3.3.2.2SR3.3.2.5s20psigs0.66E6ibm/hrg1005psis18psigs0.4E6ibm/hrg1005psigCoincidentwithSafetyInjectionRefertoFunction1(SafetyInjection)forallinitiationfunctionsandrequirements.CoincidentwithT~-Low1232perloopF,GSR3.3.2.1SR3.3.2.2SR3.3.2.5a543Fa545Fe.High-HighSteamFlow1,2(),3()2perF,GSR3.3.2.1steamSR3.3.2.2lineSR3.3.2.5s3.7E6ibm/hrg755psigs3.6E6Ibm/hrg755psigCoincidentwithSafetyInjectionRefertoFunction1(SafetyInjection)forallinitiationfunctionsandrequirements.(b)ExceptwhenbothMSIVsareclosedandde-activated.(cont>nu)R.E.GinnaNuclearPowerPlant3.3-26AmendmentNo.61 I~0P4~4'A,Q)1U