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

Attachment IIMarkedUpCopyofR.E.GinnaNuclearPowerPlantTechnical Specifications IncludedPages:3.3-26B3.3-82*,B3.3-84"Thesebasespagesarebeingprovidedforinformation onlytoshowthechangesRG8cEintendstomakefollowing NRCapprovaloftheI.AR.ThebasesareunderRGBcontrolforallchangesinaccordance withSpecification 5.5.13.9710020027 970929PDRADQCK05000244PPDR ESFASInstrumentation 3.3.2Table3.3'-1(page2of3)Engineered safetyFeatureActuation systemInstrwlentation FUNCTIONAPPLICABLE MODESOROTHERSPECIFIED CONDITIONS REQUIREDSURVEILLANCE CHANNELSCONDITIONS REQUIREMENTS ALLOMABLE VALUETRIPSETPOINT4.SteamLineIsolation a.ManualInitiation b.Automatic Actuation LogicandActuation Relaysc.Contaiment Pressure-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~vpslgIOOSCoincident withSafetyInjection RefertoFunction1(SafetyInjection) forallinitiation functions andrequirements.

Coincident withT,~-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/hra755pslg755pslgCoincident withSafetyInjection RefertoFunction1(SafetyInjection) forallinitiation functions andrequirements.

(b)ExceptwhenbothMSIVsareclosedandde-activated.

(continued)

R.E.GinnaNuclearPowerPlant3.3-26Amendment No.61 It ESFASInstrumentation B3.3.2BASESAPPLICABLE SAFETYANALYSES, LCO,andAPPLICABILITY c.SteamLineIsolation

-Containment Pressure-HihHih(continued)

Containment Pressure-HighHighmustbeOPERABLEinMODESI,2,and3,becausethereissufficient energyintheprimaryandsecondary sidetopressurize thecontainment following apipebreak.Thiswouldcauseasignificant increaseinthecontainment

pressure, thusallowingdetection andclosureoftheMSIVs.Thesteamlineisolation FunctionmustbeOPERABLEinMODES2and3unlessbothMSIVsareclosedandde-activated.

InMODES4,5,and6thesteamlineisolation FunctionisnotrequiredtobeOPERABLEbecausethereisnotenoughenergyintheprimaryandsecondary sidestopressurize thecontainment totheContainment Pressure-HighHighsetpoint.

d.SteamLineIsolation

-HihSteamFlowCoincident WithSafetIn'ectionandCoincident WithT-LowThisFunctionprovidesclosureoftheMSIVs~w<'+'P

'uringanSLBorinadvertent openjygof@g4Gatmospheric relieforsafetyvalv8tomaintainatleastoneunfaulted SGasaheatsinkforthereactor,andtolimitthemassandenergyreleasetocontainment.

(continued)

R.E.GinnaNuclearPowerPlantB3.3-82Revision6 ESFASInstrumentation B3.3.2BASESAPPLICABLE SAFETYANALYSES, LCO,andAPPLICABILITY d.SteamLineIsolation

-HihSteamFlowCoincident WithSafetIn'ectionandCoincident WithT-Low(continued)

ThisFunctionmustbeOPERABLEinHODESI,2,and3whenasecondary sidebreakorstuckopenvalvecouldresultinrapiddepressurization ofthesteamlines.TheSteamLineIsolation FunctionisrequiredtobeOPERABLEinHODES2and3unlessbothHSIVsareclosedandde-activated.

ThisFunctionisnotrequiredtobeOPERABLEinHODES4,5,and6becausethereisinsufficient energyinthesecondary sideoftheplanttohaveanaccident.

e.SteamLineIsolation

-HihHihSteamFlowCoincident WithSafetIn'ectiontionprovidesclosureoftheHSIdur~inateamlinebrea(ordnaentopenin+ofanSG~aeÃper>creisvalvetoannaeastoneunfaulted SGasaeatsinkforthereactor,andtolimitthemassandenergyreleasetocontainment.

FlOOWnlaid Value-~~"c+ptetin<-'ba+5o~~~po~itnv44(oQQcqp~orTwosteamlineflowchannelspersteamlinearerequiredtobeOPERABLEforthisFunction.

Thesearecombinedinaone-out-of-two logict,oindicatehigh-highsteamflowinonesteamline.FT-464andFT-465arethetwochannelsrequiredforsteamlineA.FT-474andFT-475arethetwochannelsrequiredforsteamlineB.Eachsteamlineisconsidered aseparatefunctionforthepurposeofthisLCO.Thesteamflowtransmitters providecontrolinputs,butthecontrolfunctioncannotinitiateeventsthattheFunctionactstomitigate.

Therefore, additional channelsarenotrequiredtoaddresscontrolprotection interaction issues.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 Attachment IIIProposedTechnical Specifications IncludedPages:3.3-26 eESFASInstrumentation 3.3.2Table3.3.2-1(page2of3)Engineered SafetyFeatureActuation SystemInstrwentation FUNCTIONAPPLICABLE MODESOROTHERSPECIFIED COHDITIOHSREQUIRED'URVEILLANCE ALLOHABLE CHANNELSCONDITIONS REQUIREMENTS VALUETRIPSETPOINT4.SteamLineIsolation a.ManualInitiation 12(b)3(b)1perloopD,GSR3.3.2.4HAHAb.Automatic Actuation LogicandActuation Relays1,2()3()2trainsE,GSR3.3.2.7HAHAc.Containment Pressure-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/hrg1005psigCoincident withSafetyInjection RefertoFunction1(SafetyInjection) forallinitiation functions andrequirements.

Coincident withT~-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/hrg755psigCoincident withSafetyInjection RefertoFunction1(SafetyInjection) forallinitiation functions andrequirements.

(b)ExceptwhenbothMSIVsareclosedandde-activated.

(cont>nu)R.E.GinnaNuclearPowerPlant3.3-26Amendment No.61 I~0P4~4'A,Q)1U