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{{#Wiki_filter:UNITEDSTATESOFAMERICANUCLEARREGULATORYCOMMISSIONIntheMatterof.RochesterGasandElectricCorporation(R.E.GinnaNuclearPowerPlant,UnitNo.1)DocketNo.50-244APPLICATIONFORAMENDMENTTOOPERATINGLICENSEPursuanttoSection50.90oftheregulationsoftheU.S.NuclearRegulatoryCommission(the"Commission"),RochesterGas1andElectricCorporation("RG&E"),holderofProvisionalOperatingLicenseNo.DPR-18,herebyrequeststhattheTechnicalSpecifica-tionTable3.5-2setforthinAppendixAtothatlicensebeamendedinaccordancewithNRCBulletin79-06A,todeletethepressurizerlowlevelcoincidencefromlowpressurizerpressureSafetyInjectionsignal.Theproposedtechnical'pecificationchangeissetforthinAttachmentAtothisApplication.AsafetyevaluationissetforthinAttachmentB.Thisevaluationalsodemonstratesthattheproposedchangedoesnotinvolveasignificant,changeinthetypesorasignificant.increaseintheamountsofeffluentsoranychangeintheauthorizedpowerlevelofthe'facility.Justi-ficationforclassificationoftheamendmentpursuantto10CFRSection170.22isincludedas.AttachmentC.AcheckfortheappropriatefeeaccompaniesthisApplication.
{{#Wiki_filter:UNITEDSTATESOFAMERICANUCLEARREGULATORY COMMISSION IntheMatterof.Rochester GasandElectricCorporation (R.E.GinnaNuclearPowerPlant,UnitNo.1)DocketNo.50-244APPLICATION FORAMENDMENT TOOPERATING LICENSEPursuanttoSection50.90oftheregulations oftheU.S.NuclearRegulatory Commission (the"Commission"
CYIld teWHEREFORE,ApplicantrespectfullyrequeststhatAppendixAtoProvisionalOperatingLicenseNo.DPR-18beamendedintheformattachedheretoasAttachmentA.RochesterGasandElectricCorporationByL.D.Wxt,Jr.VicePresident,,ElectricandSteamProductionSubscribedandsworntobeforemeonthis7~dayofJune,1979.GARYI:sREISSIIOTARYPUBLIC,StateofII.Y.MonroeCo,/MCommissionExpiresMarch30,19.g/Ir  
),Rochester Gas1andElectricCorporation
~~1AttachmentAReplaceTechnicalSpecificationpage3.5-5withtherevisedpage3.5-5.  
("RG&E"),
holderofProvisional Operating LicenseNo.DPR-18,herebyrequeststhattheTechnical Specifica-tionTable3.5-2setforthinAppendixAtothatlicensebeamendedinaccordance withNRCBulletin79-06A,todeletethepressurizer lowlevelcoincidence fromlowpressurizer pressureSafetyInjection signal.Theproposedtechnical'pecification changeissetforthinAttachment AtothisApplication.
Asafetyevaluation issetforthinAttachment B.Thisevaluation alsodemonstrates thattheproposedchangedoesnotinvolveasignificant, changeinthetypesorasignificant.
increaseintheamountsofeffluents oranychangeintheauthorized powerlevelofthe'facility.
Justi-ficationforclassification oftheamendment pursuantto10CFRSection170.22isincludedas.Attachment C.Acheckfortheappropriate feeaccompanies thisApplication.
CYIld teWHEREFORE, Applicant respectfully requeststhatAppendixAtoProvisional Operating LicenseNo.DPR-18beamendedintheformattachedheretoasAttachment A.Rochester GasandElectricCorporation ByL.D.Wxt,Jr.VicePresident,,
ElectricandSteamProduction Subscribed andsworntobeforemeonthis7~dayofJune,1979.GARYI:sREISSIIOTARYPUBLIC,StateofII.Y.MonroeCo,/MCommission ExpiresMarch30,19.g/Ir  
~~1Attachment AReplaceTechnical Specification page3.5-5withtherevisedpage3.5-5.  


TABIE3.5-2EMERGENCYCOOIINGNO.FUNCTIONALUNITNO.ofMIN.MIN.PERMISSIBIENO.ofCHANNELSOPERABLEDEGREEOF.BYPASSCHANNEISTOTRIP"'"'"'""CHANNEISREDUNDANCYCONDITIONS6OPERATORACTIONIFCONDITIONSOFCOLR1N3OR5CANNOTBEMET1.SAFETYINJECTIONa.Manualb.HighContainmentPressurec.SteamGeneratorLowSteamPressure/Loopd.PressurizerIowPressure2.CONTAINMENTSPRAYa.Manualb.Hi-HiContainmentPressure(ContainmentSpray)2setsof32of3inea.set2per1/setsetPrimarypressurelessHotShutdown"='"than2000psigHotShutdown:'HotShutdown:-'='otShutdown-'='-HotShutdown='='otShutdown-''"J~t~t+Mustactuate2switchessimultaneously.Ifminimumconditionsarenotmetwithn24hours,stepsshallbetakenontheaffectedunittoplacetheunitincoldshutdownconditions.4Ifafunctionalunitisoperatingwiththeminimumoperablechannelsthenumberofchannelstotripthereactorwillbecolumn3lesscolumn4.
TABIE3.5-2EMERGENCY COOIINGNO.FUNCTIONAL UNITNO.ofMIN.MIN.PERMISSIBIE NO.ofCHANNELSOPERABLEDEGREEOF.BYPASSCHANNEISTOTRIP"'"'"'""
AttachmentBThedesignmodificationwillremovetherequirementforpressurizerlowlevelcoincidentwithpressurizer(primarysystem)lowpressurehforautomaticSafetyInjection(SI)initiation.Theexistinglogicprovidesthreechannelswithseriespressureandlevelcontacts(logicalAND)asshowninFigurel.AnyoneofthesethreechannelswillinitiateS.I.oncoincidentlowlevelandlowpressureinthepressurizer.Becausesteamvoidscanformduringadepressurizationevent,sufficientprimarycoolantmaybedisplacedinthereactorvesseltopreventpressurizerlevelfromfallingbelowthelowlevelsetpoint,thusblockingautomaticinitiationofSafetyInjection.InaccordancewithNRCBulletin79-06A,thisdesignmodificationdeletesthepressurizerlowlevelcoincidencefromlowpressurizerpressureSafetyInjection.Themodifieddesignwillinitiatesafetyinjectionwhenanytwoout.ofthreepressurizerlowpressuresignalsarereceivedasshowninFigure2.Thedesignmodificationshallconformwithallapplicablerequire-mentsofIEEEStd.279-1971.InparticularSection4.7.3statesthat,"whereasinglerandomfailurecancauseacontrolsystemactionthat,resultsinaconditionrequiringprotectiveactionandcanalsopreventproperactionofaprotectionsystemchanneldesignedtoprotectagainstthecondition,theremainingredundant,protectionchannelsshallbecapableofprovidingtheprotectiveactionevenwhendegradedbyasecondrandomfailure."The protectivechannelsusedinthisdesignarealsoutilizedto;openthepressurizerpower-operatedreliefvalvesonhighprimarypressure.Inordertoassurethatnosinglechannelfailure(failhigh)cancausespuriousopen'ingofthePORV,acoincident1(logicalAND)highpressuresignalfromanindependentchannelshallberequiredforPORVactuation.Thepermissivehighpressuresetpoint,.shallbesetabovetheoperatingrangesothat,thesystemdoesnotnormallyoperatewithapermissivesignalpresent.ThecontrollogicisshowninFigures3(a)and3(b)forexistingandproposedsetpoints.Pressurizersprayisactuatedbyeitherchannel429or431.Analyseshavebeenperformedtodetermineifafailure(failhigh)ofoneofthesechannels,causingspuriousoperationofthepressurizerspray,canresultinaplantconditionrequiringSafetyInjection.Thisanalysisshowsthat'hesafetyinjectionsetpointisreachedinapproximatelythreeminutes.EitherapressurechannelindependentoftheSIsystemshallbeusedforsprayactuation,ortheinputtotheSIsystem,nowfromachannelalsoactuatingpressurizerspray(431),shallbeinsteadsuppliedbyachannelindependentofthepressurizerspraysystem(449).Whenanychannelgoesintoalarm,itshallbeannunciatedintheMainControlRoominamannerconsistentwiththeexistingSafe-guardsSystems.TheSafetyInjectionactuationshallbeannunciated,intheMainControlRoomandtransmittedtotheplantcomputerinamannerconsistentwiththeexistingSafeguardsSystems.  
CHANNEISREDUNDANCY CONDITIONS 6OPERATORACTIONIFCONDITIONS OFCOLR1N3OR5CANNOTBEMET1.SAFETYINJECTION a.Manualb.HighContainment Pressurec.SteamGenerator LowSteamPressure/Loop d.Pressurizer IowPressure2.CONTAINMENT SPRAYa.Manualb.Hi-HiContainment Pressure(Containment Spray)2setsof32of3inea.set2per1/setsetPrimarypressurelessHotShutdown"='"
.rl Test,switchesshallbeprovidedtoprovidecapabilityfortestingduringpoweroperationinaccordancewithSection4.10ofIEEE279-1971andIEEE338-,1977.ThepurposeofthisTechnicalSpecificationChangeistoreviseTable3.5-2toreflectthedeletionoflowpressurizerlevelcoincidencefromlowpressurizerpressureSI.ThedeletionofthelowlevelcoincidencefromthelowpressurizerpressureSIhasnegligibleeffectonthePlantTransientAnalysisortheECCSAnalysisforR.E.Ginna.TheanalysiswasdonewithSIinitiatedoncoincidenceoflowpressurizerpressure.andlevelsignals.TheeffectofchangingtoapressureonlysignalwillresultineitheranearlierinitiationofSI,ornochangeinthetimeofSIinitiation.Therefore,currentPlantTransientandsmallbreakanalysisassumptionsconcerningSIinitiationtimeareappropriate.
than2000psigHotShutdown:
'HotShutdown:
-'='otShutdown-'='-
HotShutdown='='otShutdown-''
"J~t~t+Mustactuate2switchessimultaneously.
Ifminimumconditions arenotmetwithn24hours,stepsshallbetakenontheaffectedunittoplacetheunitincoldshutdownconditions.
4Ifafunctional unitisoperating withtheminimumoperablechannelsthenumberofchannelstotripthereactorwillbecolumn3lesscolumn4.
Attachment BThedesignmodification willremovetherequirement forpressurizer lowlevelcoincident withpressurizer (primarysystem)lowpressurehforautomatic SafetyInjection (SI)initiation.
Theexistinglogicprovidesthreechannelswithseriespressureandlevelcontacts(logicalAND)asshowninFigurel.AnyoneofthesethreechannelswillinitiateS.I.oncoincident lowlevelandlowpressureinthepressurizer.
Becausesteamvoidscanformduringadepressurization event,sufficient primarycoolantmaybedisplaced inthereactorvesseltopreventpressurizer levelfromfallingbelowthelowlevelsetpoint, thusblockingautomatic initiation ofSafetyInjection.
Inaccordance withNRCBulletin79-06A,thisdesignmodification deletesthepressurizer lowlevelcoincidence fromlowpressurizer pressureSafetyInjection.
Themodifieddesignwillinitiatesafetyinjection whenanytwoout.ofthreepressurizer lowpressuresignalsarereceivedasshowninFigure2.Thedesignmodification shallconformwithallapplicable require-mentsofIEEEStd.279-1971.
Inparticular Section4.7.3statesthat,"whereasinglerandomfailurecancauseacontrolsystemactionthat,resultsinacondition requiring protective actionandcanalsopreventproperactionofaprotection systemchanneldesignedtoprotectagainstthecondition, theremaining redundant, protection channelsshallbecapableofproviding theprotective actionevenwhendegradedbyasecondrandomfailure."
The protective channelsusedinthisdesignarealsoutilizedto;openthepressurizer power-operated reliefvalvesonhighprimarypressure.
Inordertoassurethatnosinglechannelfailure(failhigh)cancausespuriousopen'ingofthePORV,acoincident 1(logicalAND)highpressuresignalfromanindependent channelshallberequiredforPORVactuation.
Thepermissive highpressuresetpoint,.shall besetabovetheoperating rangesothat,thesystemdoesnotnormallyoperatewithapermissive signalpresent.ThecontrollogicisshowninFigures3(a)and3(b)forexistingandproposedsetpoints.
Pressurizer sprayisactuatedbyeitherchannel429or431.Analyseshavebeenperformed todetermine ifafailure(failhigh)ofoneofthesechannels, causingspuriousoperation ofthepressurizer spray,canresultinaplantcondition requiring SafetyInjection.
Thisanalysisshowsthat'hesafetyinjection setpointisreachedinapproximately threeminutes.Eitherapressurechannelindependent oftheSIsystemshallbeusedforsprayactuation, ortheinputtotheSIsystem,nowfromachannelalsoactuating pressurizer spray(431),shallbeinsteadsuppliedbyachannelindependent ofthepressurizer spraysystem(449).Whenanychannelgoesintoalarm,itshallbeannunciated intheMainControlRoominamannerconsistent withtheexistingSafe-guardsSystems.TheSafetyInjection actuation shallbeannunciated, intheMainControlRoomandtransmitted totheplantcomputerinamannerconsistent withtheexistingSafeguards Systems.  
.rl Test,switchesshallbeprovidedtoprovidecapability fortestingduringpoweroperation inaccordance withSection4.10ofIEEE279-1971andIEEE338-,1977.
ThepurposeofthisTechnical Specification ChangeistoreviseTable3.5-2toreflectthedeletionoflowpressurizer levelcoincidence fromlowpressurizer pressureSI.Thedeletionofthelowlevelcoincidence fromthelowpressurizer pressureSIhasnegligible effectonthePlantTransient AnalysisortheECCSAnalysisforR.E.Ginna.TheanalysiswasdonewithSIinitiated oncoincidence oflowpressurizer pressure.andlevelsignals.Theeffectofchangingtoapressureonlysignalwillresultineitheranearlierinitiation ofSI,ornochangeinthetimeofSIinitiation.
Therefore, currentPlantTransient andsmallbreakanalysisassumptions concerning SIinitiation timeareappropriate.
04  
04  
~'0eROCHESTERGASANDELECTRICCORPORA~PlLlP2L2P3L3SXFigure1P2P3SXFigure2  
~'0eROCHESTER GASANDELECTRICCORPORA~PlLlP2L2P3L3SXFigure1P2P3SXFigure2  
~$
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ROCHESTERGASANDELECTRICCORPORATPressurizerReliefValveOperation4294314304492185Ps3.g2335Ps3.g2335Ps3.g2185Ps3.gPCV430(Press.Relief:Valve)PCV431(Press.ReliefValve)Figure3(a)'ExistingSetpoints429431430449.P)3.g2335Ps3.g2335Ps3.g?335Ps3.gPCV430(Press.ReliefValves)PCV431(Press.ReliefValve)Figure3(b)ModifiedSetpoints AttachmentBAsaresultoftheThreeNileNileIslandaccidenttheNRCissuedIEBulletinNo.79-06Awhichrequiredchangestothelowpressurizer;.pressureSafetyInjection(SI)logic.PriortotheBulletinonemethodofgeneratingaSIsignalwasalowpressurizerpressureincoincidencewithlowpressurizerlevel.TheBulletinpostulatedthatpressurizerlevelmaynotrepresentthelevelinthereactorcoolantsystemundercertaintransientconditions.Therefore,pressurizerlowlevelcoincidenceshouldbedeletedfromlowpressurizerpressureSI.ThepurposeofthisTechnicalSpecificationChangeistoreviseTable3.5-2toreflectthedeletionoflowpressurizerlevelcoincidencefromlowpressurizerpressureSI.ThedeletionofthelowlevelcoincidencefromthelowpressurizerpressureSIhasnegligibleeffect.onthePlantTransientAnalysisortheECCSAnalysisforR.E.Ginna.TheanalysiswasdonewithSIinitiatedoncoincidenceoflowpressurizerpressureandlevelsignals.TheeffectofchangingtoapressureonlysignalwillresultineitheranearlierinitiationofSI,ornochangeinthetimeofSIinitiation.Therefore,currentPlantTransientandsmallbreakanalysisassumptionsconcerningSIinitiationtimeareappropriate.
ROCHESTER GASANDELECTRICCORPORATPressurizer ReliefValveOperation 4294314304492185Ps3.g2335Ps3.g2335Ps3.g2185Ps3.gPCV430(Press.Relief:Valve)
p-,s~AttachmentCTheproposedAmendment,totheProvisionalOperatingLicensehasbeenevaluatedanddeterminedtofallwithinthedefinitionofClass1IIIof10CFRSection170.22therebyrequiringafeeof$4,000.TheproposedamendmentsimplyrevisesTable3.5-2forthedeletionoflowpressurizerlevelcoincidencefromlowpressurizerpressureSafetyInjectionasrequiredbyIEBulletinNo.79-06A.  
PCV431(Press.ReliefValve)Figure3(a)'Existing Setpoints 429431430449.P)3.g2335Ps3.g2335Ps3.g?335Ps3.gPCV430(Press.ReliefValves)PCV431(Press.ReliefValve)Figure3(b)ModifiedSetpoints Attachment BAsaresultoftheThreeNileNileIslandaccidenttheNRCissuedIEBulletinNo.79-06Awhichrequiredchangestothelowpressurizer;.
pressureSafetyInjection (SI)logic.PriortotheBulletinonemethodofgenerating aSIsignalwasalowpressurizer pressureincoincidence withlowpressurizer level.TheBulletinpostulated thatpressurizer levelmaynotrepresent thelevelinthereactorcoolantsystemundercertaintransient conditions.
Therefore, pressurizer lowlevelcoincidence shouldbedeletedfromlowpressurizer pressureSI.ThepurposeofthisTechnical Specification ChangeistoreviseTable3.5-2toreflectthedeletionoflowpressurizer levelcoincidence fromlowpressurizer pressureSI.Thedeletionofthelowlevelcoincidence fromthelowpressurizer pressureSIhasnegligible effect.onthePlantTransient AnalysisortheECCSAnalysisforR.E.Ginna.TheanalysiswasdonewithSIinitiated oncoincidence oflowpressurizer pressureandlevelsignals.Theeffectofchangingtoapressureonlysignalwillresultineitheranearlierinitiation ofSI,ornochangeinthetimeofSIinitiation.
Therefore, currentPlantTransient andsmallbreakanalysisassumptions concerning SIinitiation timeareappropriate.
p-,s~Attachment CTheproposedAmendment, totheProvisional Operating Licensehasbeenevaluated anddetermined tofallwithinthedefinition ofClass1IIIof10CFRSection170.22therebyrequiring afeeof$4,000.Theproposedamendment simplyrevisesTable3.5-2forthedeletionoflowpressurizer levelcoincidence fromlowpressurizer pressureSafetyInjection asrequiredbyIEBulletinNo.79-06A.  
~'t4I'f)J}}
~'t4I'f)J}}

Revision as of 15:03, 29 June 2018

Application for Amend to License DPR-18 to Delete Pressurizer Low Level Coincidence from Low Pressurizer Pressure Safety Injection Signal.Supporting Documentation Encl
ML17244A555
Person / Time
Site: Ginna Constellation icon.png
Issue date: 06/07/1979
From: WHITE L D
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17244A554 List:
References
NUDOCS 7906130198
Download: ML17244A555 (17)
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Text

UNITEDSTATESOFAMERICANUCLEARREGULATORY COMMISSION IntheMatterof.Rochester GasandElectricCorporation (R.E.GinnaNuclearPowerPlant,UnitNo.1)DocketNo.50-244APPLICATION FORAMENDMENT TOOPERATING LICENSEPursuanttoSection50.90oftheregulations oftheU.S.NuclearRegulatory Commission (the"Commission"

),Rochester Gas1andElectricCorporation

("RG&E"),

holderofProvisional Operating LicenseNo.DPR-18,herebyrequeststhattheTechnical Specifica-tionTable3.5-2setforthinAppendixAtothatlicensebeamendedinaccordance withNRCBulletin79-06A,todeletethepressurizer lowlevelcoincidence fromlowpressurizer pressureSafetyInjection signal.Theproposedtechnical'pecification changeissetforthinAttachment AtothisApplication.

Asafetyevaluation issetforthinAttachment B.Thisevaluation alsodemonstrates thattheproposedchangedoesnotinvolveasignificant, changeinthetypesorasignificant.

increaseintheamountsofeffluents oranychangeintheauthorized powerlevelofthe'facility.

Justi-ficationforclassification oftheamendment pursuantto10CFRSection170.22isincludedas.Attachment C.Acheckfortheappropriate feeaccompanies thisApplication.

CYIld teWHEREFORE, Applicant respectfully requeststhatAppendixAtoProvisional Operating LicenseNo.DPR-18beamendedintheformattachedheretoasAttachment A.Rochester GasandElectricCorporation ByL.D.Wxt,Jr.VicePresident,,

ElectricandSteamProduction Subscribed andsworntobeforemeonthis7~dayofJune,1979.GARYI:sREISSIIOTARYPUBLIC,StateofII.Y.MonroeCo,/MCommission ExpiresMarch30,19.g/Ir

~~1Attachment AReplaceTechnical Specification page3.5-5withtherevisedpage3.5-5.

TABIE3.5-2EMERGENCY COOIINGNO.FUNCTIONAL UNITNO.ofMIN.MIN.PERMISSIBIE NO.ofCHANNELSOPERABLEDEGREEOF.BYPASSCHANNEISTOTRIP"'"'"'""

CHANNEISREDUNDANCY CONDITIONS 6OPERATORACTIONIFCONDITIONS OFCOLR1N3OR5CANNOTBEMET1.SAFETYINJECTION a.Manualb.HighContainment Pressurec.SteamGenerator LowSteamPressure/Loop d.Pressurizer IowPressure2.CONTAINMENT SPRAYa.Manualb.Hi-HiContainment Pressure(Containment Spray)2setsof32of3inea.set2per1/setsetPrimarypressurelessHotShutdown"='"

than2000psigHotShutdown:

'HotShutdown:

-'='otShutdown-'='-

HotShutdown='='otShutdown-

"J~t~t+Mustactuate2switchessimultaneously.

Ifminimumconditions arenotmetwithn24hours,stepsshallbetakenontheaffectedunittoplacetheunitincoldshutdownconditions.

4Ifafunctional unitisoperating withtheminimumoperablechannelsthenumberofchannelstotripthereactorwillbecolumn3lesscolumn4.

Attachment BThedesignmodification willremovetherequirement forpressurizer lowlevelcoincident withpressurizer (primarysystem)lowpressurehforautomatic SafetyInjection (SI)initiation.

Theexistinglogicprovidesthreechannelswithseriespressureandlevelcontacts(logicalAND)asshowninFigurel.AnyoneofthesethreechannelswillinitiateS.I.oncoincident lowlevelandlowpressureinthepressurizer.

Becausesteamvoidscanformduringadepressurization event,sufficient primarycoolantmaybedisplaced inthereactorvesseltopreventpressurizer levelfromfallingbelowthelowlevelsetpoint, thusblockingautomatic initiation ofSafetyInjection.

Inaccordance withNRCBulletin79-06A,thisdesignmodification deletesthepressurizer lowlevelcoincidence fromlowpressurizer pressureSafetyInjection.

Themodifieddesignwillinitiatesafetyinjection whenanytwoout.ofthreepressurizer lowpressuresignalsarereceivedasshowninFigure2.Thedesignmodification shallconformwithallapplicable require-mentsofIEEEStd.279-1971.

Inparticular Section4.7.3statesthat,"whereasinglerandomfailurecancauseacontrolsystemactionthat,resultsinacondition requiring protective actionandcanalsopreventproperactionofaprotection systemchanneldesignedtoprotectagainstthecondition, theremaining redundant, protection channelsshallbecapableofproviding theprotective actionevenwhendegradedbyasecondrandomfailure."

The protective channelsusedinthisdesignarealsoutilizedto;openthepressurizer power-operated reliefvalvesonhighprimarypressure.

Inordertoassurethatnosinglechannelfailure(failhigh)cancausespuriousopen'ingofthePORV,acoincident 1(logicalAND)highpressuresignalfromanindependent channelshallberequiredforPORVactuation.

Thepermissive highpressuresetpoint,.shall besetabovetheoperating rangesothat,thesystemdoesnotnormallyoperatewithapermissive signalpresent.ThecontrollogicisshowninFigures3(a)and3(b)forexistingandproposedsetpoints.

Pressurizer sprayisactuatedbyeitherchannel429or431.Analyseshavebeenperformed todetermine ifafailure(failhigh)ofoneofthesechannels, causingspuriousoperation ofthepressurizer spray,canresultinaplantcondition requiring SafetyInjection.

Thisanalysisshowsthat'hesafetyinjection setpointisreachedinapproximately threeminutes.Eitherapressurechannelindependent oftheSIsystemshallbeusedforsprayactuation, ortheinputtotheSIsystem,nowfromachannelalsoactuating pressurizer spray(431),shallbeinsteadsuppliedbyachannelindependent ofthepressurizer spraysystem(449).Whenanychannelgoesintoalarm,itshallbeannunciated intheMainControlRoominamannerconsistent withtheexistingSafe-guardsSystems.TheSafetyInjection actuation shallbeannunciated, intheMainControlRoomandtransmitted totheplantcomputerinamannerconsistent withtheexistingSafeguards Systems.

.rl Test,switchesshallbeprovidedtoprovidecapability fortestingduringpoweroperation inaccordance withSection4.10ofIEEE279-1971andIEEE338-,1977.

ThepurposeofthisTechnical Specification ChangeistoreviseTable3.5-2toreflectthedeletionoflowpressurizer levelcoincidence fromlowpressurizer pressureSI.Thedeletionofthelowlevelcoincidence fromthelowpressurizer pressureSIhasnegligible effectonthePlantTransient AnalysisortheECCSAnalysisforR.E.Ginna.TheanalysiswasdonewithSIinitiated oncoincidence oflowpressurizer pressure.andlevelsignals.Theeffectofchangingtoapressureonlysignalwillresultineitheranearlierinitiation ofSI,ornochangeinthetimeofSIinitiation.

Therefore, currentPlantTransient andsmallbreakanalysisassumptions concerning SIinitiation timeareappropriate.

04

~'0eROCHESTER GASANDELECTRICCORPORA~PlLlP2L2P3L3SXFigure1P2P3SXFigure2

~$

ROCHESTER GASANDELECTRICCORPORATPressurizer ReliefValveOperation 4294314304492185Ps3.g2335Ps3.g2335Ps3.g2185Ps3.gPCV430(Press.Relief:Valve)

PCV431(Press.ReliefValve)Figure3(a)'Existing Setpoints 429431430449.P)3.g2335Ps3.g2335Ps3.g?335Ps3.gPCV430(Press.ReliefValves)PCV431(Press.ReliefValve)Figure3(b)ModifiedSetpoints Attachment BAsaresultoftheThreeNileNileIslandaccidenttheNRCissuedIEBulletinNo.79-06Awhichrequiredchangestothelowpressurizer;.

pressureSafetyInjection (SI)logic.PriortotheBulletinonemethodofgenerating aSIsignalwasalowpressurizer pressureincoincidence withlowpressurizer level.TheBulletinpostulated thatpressurizer levelmaynotrepresent thelevelinthereactorcoolantsystemundercertaintransient conditions.

Therefore, pressurizer lowlevelcoincidence shouldbedeletedfromlowpressurizer pressureSI.ThepurposeofthisTechnical Specification ChangeistoreviseTable3.5-2toreflectthedeletionoflowpressurizer levelcoincidence fromlowpressurizer pressureSI.Thedeletionofthelowlevelcoincidence fromthelowpressurizer pressureSIhasnegligible effect.onthePlantTransient AnalysisortheECCSAnalysisforR.E.Ginna.TheanalysiswasdonewithSIinitiated oncoincidence oflowpressurizer pressureandlevelsignals.Theeffectofchangingtoapressureonlysignalwillresultineitheranearlierinitiation ofSI,ornochangeinthetimeofSIinitiation.

Therefore, currentPlantTransient andsmallbreakanalysisassumptions concerning SIinitiation timeareappropriate.

p-,s~Attachment CTheproposedAmendment, totheProvisional Operating Licensehasbeenevaluated anddetermined tofallwithinthedefinition ofClass1IIIof10CFRSection170.22therebyrequiring afeeof$4,000.Theproposedamendment simplyrevisesTable3.5-2forthedeletionoflowpressurizer levelcoincidence fromlowpressurizer pressureSafetyInjection asrequiredbyIEBulletinNo.79-06A.

~'t4I'f)J

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