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| {{#Wiki_filter:"icczUmvzoDlRIBUTJONgpMpg~~~av,1~REGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)RjQg'hDDS | | {{#Wiki_filter:"icczUmvzoDlRIBUTJON gpMpg~~~av, 1~REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)RjQg'hDDS |
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| ApplicationforamendstoLicensesPDR-586DPR-74,modifyingTechSpec3.3.2.1Tables3.3-3,3.3-4,3.3-564.3-2.DISTRIBUTIONCODE:A001DCOPIESRECEIVED:LTRENCLSIZE:TITLE:ORSubmittal:GeneralDistributionNOTES:COPIESLTTRENCL1011COPIESLTTRENCL22RECIPIENTIDCODE/NAMEPD3-1PDRECIPIENTIDCODE/NAMEPD3-1LASTANG,JINTERNAL:ARM/DAF/LFMBNRR/DEST/CEB8HNRR/DEST/MTB9HNRR/DEST/SICBNUDOCS-ABSRACTNRR/DEST/ADS7ENRR/DEST/ESB8DNRR/DEST/RSB8ENRR/DOEA/TSB11OGC/HDS1RES/DSIR/EIB1111111110111011'1111111ACCESSIONNBR:8903220188DOC.DATE:89/03/14NOTARIZED:NO.DOCKETFACIL:50-315DonaldC.CookNuclearPowerPlant,Unit1,Indiana60500031550-316DonaldC.CookNuclearPowerPlant,Unit2,Indiana&05000316AUTH.NAMEAUTHORAFFILIATIONALEXICH,M.P.IndianaMichiganPowerCo.(formerlyIndiana6MichiganEleRECIP.NAMERECIPIENTAFFILIATIONDocumentControlBranch(DocumentControlDesk)EXTERNAL:LPDRNSIC1111NRCPDR11RIhNOTE'IOALL"RIDS"RECIPIENIS'IZASEHELPUSIOREZUCEWASTE.'XNI'ACI'IHEDOCUMENI'MURt3LDESKSROOMPl-37(EXT.20079)KOEIZMZNATEYMRKkKFMHDISTRIBUTIONLTSTSFORDOCUMEÃISYOUDOlN'TNEED)TOTALNUMBEROFCOPIESREQUIRED:LTTR19ENCL16 0ji'pP\
| | Application foramendstoLicensesPDR-586DPR-74,modifying TechSpec3.3.2.1Tables3.3-3,3.3-4,3.3-5 64.3-2.DISTRIBUTION CODE:A001DCOPIESRECEIVED:LTR ENCLSIZE:TITLE:ORSubmittal: |
| indianaMichiganPowerCompanyP.O.Box16631Columbus,OH43216AEP:NRC:103010CFR50.90DonaldC.CookNuclearPlantUnits1and2DocketNos.50-315and50-316LicenseNos.DPR-58andDPR-74TECHNICALSPECIFICATIONCHANGE:SAFETYINJECTIONANDCONTAINMENTSPRAYMANUALACTUATIONSIGNALSU.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555Attn:T.E.MurleyMarch14,1989 | | GeneralDistribution NOTES:COPIESLTTRENCL1011COPIESLTTRENCL22RECIPIENT IDCODE/NAME PD3-1PDRECIPIENT IDCODE/NAME PD3-1LASTANG,JINTERNAL: |
| | ARM/DAF/LFMB NRR/DEST/CEB 8HNRR/DEST/MTB 9HNRR/DEST/SICB NUDOCS-ABS RACTNRR/DEST/ADS 7ENRR/DEST/ESB 8DNRR/DEST/RSB 8ENRR/DOEA/TSB 11OGC/HDS1RES/DSIR/EIB 1111111110111011'1111111ACCESSION NBR:8903220188 DOC.DATE: |
| | 89/03/14NOTARIZED: |
| | NO.DOCKETFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,Indiana60500031550-316DonaldC.CookNuclearPowerPlant,Unit2,Indiana&05000316AUTH.NAMEAUTHORAFFILIATION ALEXICH,M.P. |
| | IndianaMichiganPowerCo.(formerly Indiana6MichiganEleRECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk)EXTERNAL: |
| | LPDRNSIC1111NRCPDR11RIhNOTE'IOALL"RIDS"RECIPIENIS'IZASE HELPUSIOREZUCEWASTE.'XNI'ACI'IHE DOCUMENI'MURt3L DESKSROOMPl-37(EXT.20079)KOEIZMZNATE YMRKkKFMHDISTRIBUTION LTSTSFORDOCUMEÃIS YOUDOlN'TNEED)TOTALNUMBEROFCOPIESREQUIRED: |
| | LTTR19ENCL16 0ji'pP\ |
| | indianaMichiganPowerCompanyP.O.Box16631Columbus, OH43216AEP:NRC:1030 10CFR50.90DonaldC.CookNuclearPlantUnits1and2DocketNos.50-315and50-316LicenseNos.DPR-58andDPR-74TECHNICAL SPECIFICATION CHANGE:SAFETYINJECTION ANDCONTAINMENT SPRAYMANUALACTUATION SIGNALSU.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, D.C.20555Attn:T.E.MurleyMarch14,1989 |
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| ==DearDr.Murley:== | | ==DearDr.Murley:== |
| ThisletteranditsattachmentsconstituteanapplicationforamendmenttotheTechnicalSpecifications(T/Ss)fortheDonaldC.CookNuclearPlantUnits1and2.Specifically,weareproposingtomodifyT/S3.3.2.1(EngineeredSafetyFeatureActuationSystemInstrumentation)Tables3.3-3,3.3-4,3.3-5and4.3-2sothattheymoreaccuratelyreflectthedesignoftheESFmanualactuationfunctions,andreferencemoreappropriatesurveillanceandactionrequirementsformanualactuationswithrespecttotheWestinghouseStandardT/Ss.Attachment1tothislettercontainsthereasonsforthechangesandouranalysesconcerningsignificanthazardsconsideration.Attachment2containstheproposedrevisedT/Spages.Webelievethattheproposedchangeswillnotresultin(1)asignificantchangeinthetypesofeffluentsorasignificantincreaseintheamountsofanyeffluentthatmaybereleasedoffsite,or(2)asignificantincreaseinindividualorcumulativeoccupationalradiationexposure.TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommitteeandwillbereviewedbytheNuclearSafetyandDesignReviewCommitteeattheirnextregularlyscheduledmeeting.Incompliancewiththerequirementsof10CFR50.91(b)(1),copiesofthisletteranditsattachmentshavebeentransmittedtoMr.R.C.CallenoftheMichiganPublicServiceConnnissionandMr.GeorgeBruchmannoftheMichiganDepartmentofPublicHealth.Sg'0$220iSSS50003i'DRADOCK05QPDCPgooi Dr.T.E.Murley-2-AEP:NRC:1030ThisdocumenthasbeenpreparedfollowingCorporateproceduresthatincorporateareasonablesetofcontrolstoensureitsaccuracyandcompletenesspriortosignaturebytheundersigned.Sincerely,M.P.AlechVicePresidentldpAttachmentscc:D.H.Williams,Jr.W.'.Smith,Jr.-BridgmanR.C.CallenG.BruchmannG.CharnoffNRCResidentInspector-BridgmanA.B.Davis-RegionIII II ATTACHMENT1TOAEP:NRC:1030REASONSAND10CFR50.92ANALYSESFORCHANGESTOTHEDONALDC.COOKNUCLEARPLANTUNITS1AND2TECHNICALSPECIFICATIONS Attachment1toAEP:NRC:1030Page1ThepurposeofthissubmittalistoclarifyandcorrectTechnicalSpecification(T/S)3/4.3.2.1(EngineeredSafetyFeaturesActuationSystemInstrumentation).Specifically,weareproposingtomodifyTables3.3-3,3.3-4,and4.3-2tomoreaccuratelyreflectthedesignoftheESFmanualactuationchannelsasdelineatedinT/STable3.3-5andtomorecloselyresemblethesurveillancerequirementsoftheStandardT/Ss(STS).WearealsoproposingamodificationtoT/STable3.3-5sothatitmoreaccuratelyreflectsthedesignoftheESFmanualactuationchannels.Thespecificproblemsandassociatedchangesaredescribedbelow.ChaneNo.1Editorial:MisleadinDescritionofFunctionsT/STables3.3-3,3.3-4,and4.3-2describethefollowingspecificmanualactuationchannels:FunctionalUnitl.aManualSafetyinjection(andassociatedactuations)2.aManual3.a.lManual3.b.lManual3.c.lManualContainmentsprayContainmentPhase"A"isolationContainmentPhase"B"isolationContainmentPurgeandexhaustisolation4.aManualSteamlineisolationThewayinwhichthesesixfunctionalunitsnotedabovearelistedinT/STables3.3-3,3.3-4,and4.3-2impliesthatthereareseparatemanualswitchesforeach.However,duetoonemanualswitchactuatingmorethanonefunctionincertaincases,thereareeffectivelyonlyfourfunctionalunits.Thesefourarediscernibleby"!:i"ayinwhichtheyarecurrentlylistedinT/STable3.3-5,whichdescribesthemasfollows:InitiatinSinal.ndFunction1.ManualDescritionSafetyinjection(ECCS)FeedwaterisolationReactortrip'(SI)
| | Thisletteranditsattachments constitute anapplication foramendment totheTechnical Specifications (T/Ss)fortheDonaldC.CookNuclearPlantUnits1and2.Specifically, weareproposing tomodifyT/S3.3.2.1(Engineered SafetyFeatureActuation SystemInstrumentation) |
| Attachment1toAEP:NRC:1030Page2Ini,tiatinSinalandFunctionContainmentisolation-Phase"A"ContainmentpurgeandexhaustisolationAuxiliaryfeedwaterpumpsEssentialservicewatersystemContainmentairrecirculationfanContainmentsprayContainmentisolation-Phase"B"ContainmentpurgeandexhaustisolationContainmentisolation-Phase"A"ContainmentpurgeandexhaustisolationSteamlineisolationInordertomakethefunctiondescriptionsconsistentbetweenT/Stables,wehavecreatedaFunctionalUnit9inTables3.3-3,3.3-4,and4.3-2,whichliststhemanualactuationfunctionsconsistentwithTable3.3-5.(Note,however,thatthemanualstartofthecontainmentairrecirculationfanswillbeplacedwithgroupb[containmentsprayandrelatedfunctions]ratherthangroupa.ThisisconsistentwithaproposedchangetoT/STable3.3-5describedunder"ChangeNo.5").Theinformationforthepresentfunctionalunits(l.a,2.a,3.a.l,3.b.l,3.c.land4.a)inTables3.3-3,3.3-4,and4.3-2hasbeenreplacedwiththewords"SeeFunctionalUnit9."Thischangeisadministrativeinnature,intendedonlytomaketheT/Sdescriptionofthemanualfunctionsmoreaccurate.Presently,T/STable3.3-3Function3(PurgeandExhaustIsolationFunctions)hasafootnotewhichstatesthattherequirementsareonlyapplicableduringpurge.Thefootnoteisappliedto'llthreepartsofthefunction,i.e.,manual,containmentradioactivity-hi~,hTrainAandcontainmentradioactivity-highTrainB.AsdeiiniicedinTable3.3-5,themanualcircuitrypiovidingpurgean<!exhaustisolationalsoprovidesotherfunctions,suchassafetyinjection,whicharestillapplicableattimesotherthanduringpurge.Therefore,wehaverelocatedthefootnotedesignatorsuchthatitonlyappliestothehighcontainmentradioac".'.vityfunctions.
| | Tables3.3-3,3.3-4,3.3-5and4.3-2sothattheymoreaccurately reflectthedesignoftheESFmanualactuation functions, andreference moreappropriate surveillance andactionrequirements formanualactuations withrespecttotheWestinghouse StandardT/Ss.Attachment 1tothislettercontainsthereasonsforthechangesandouranalysesconcerning significant hazardsconsideration. |
| 1 Attachment1toAEP:NRC:1030Page3ChaneNo.2Editorial:MisleadinDescritionofEuimentinTable3.3-3ThereareinconsistenciesintheT/STable3.3-3descriptionsofthenumberofchannelswhichexistandthenumberofchannelsrequiredtotripforthemanualinitiationsdescribedabove.Thesearedescribedbelow.a.FunctionalUnitl.aSafetInectionManualActuationT/STable3.3-3FunctionalUnitl.aindicatesthatthereareatotaloftwosafetyinjection(SI)andrelatedfunctionmanualactuationchannels,withoneofthetwochannelsrequiredforanSIactuation.Thisfunctionalunit,whichcorrespondsintheactualplantdesigntoFunctionalUnitl.aofT/STable3.3-5,doesnotmakeitclearthattheaboveistrueforeachtrainofthe'unction.Thereactuallyarefourswitchesforthisfunction,tworedundantswitchespertrain.ClosingeitheroneofthetwoSImanualswitchespertrainwillinitiatethattrainofSI.Toavoidconfusion,weareproposingtodescribetheseinourproposedFunctionalUnit9.aforT/STable3.3-3asfollows:TotalNo.ofChannelsChannelsToTriMinimumChannels0erable2/train1/train2/trainb.FunctionalUnit2.aContainmentSraManual3.a.lContainmentIsolationPhaseAManual3.b.lContainmentIsolationPhaseBManualand3.c.lContainmentIsolationPureandExhaustManualTheabovefourfunctionalunits*correspondintheactualplantdesigntofunctionsl.b(ContainmentSpray,ContainmentIsolation,PhaseB;andPurgeandExhaustIsolation)andl.c(ContainmentIsolation,PhaseA,andPurge.>>~dExhaustIsolation).ofT/STable3.3-5.Eachofthea~twofunctiongroupshasoneswitchpertrain.Closin~,:heswitchinitiatesonlythattrain'sfunctions.However,T/STable3.3-3describesfunctionalunit2.a(containmentspray)and3.b.l(Phase"B"isol.ition)aseachhavingtwochannels,withbothchannels:equiredtotrip.Toavoidconfusion,weareproposin.;:odescribethemanualchannelsinourproposed:'nctionalunits9.band9.cforT/STable3.3-3<<<.l:'ows:*SeeChangeNo.5;,.-arelatedchange. | | Attachment 2containstheproposedrevisedT/Spages.Webelievethattheproposedchangeswillnotresultin(1)asignificant changeinthetypesofeffluents orasignificant increaseintheamountsofanyeffluentthatmaybereleasedoffsite,or(2)asignificant increaseinindividual orcumulative occupational radiation exposure. |
| I~V Attachment1toAEP:NRC:1030Page4TotalNo.ofChannelsChannels~ToTriMinimumChannels0erable.1/train1/train1/trainc.FunctionalUnit4.aSteamLineIsolationManualThereisonemainsteamstopvalveineachofthefourmainsteamlinesattheCookNuclearPlant.Fastclosureofthemainsteamstopvalvesisaccomplishedbydumpvalves.Therearetwodumpvalvesforeachstopvalve(i.e.,8dumpvalves),andoneswitchperdumpvalve(i.e.,8switches).Actuationofeitheroneofthetwodumpvalvesperstopvalvewillresultinclosureofthestopvalve.Tobeconsistentwiththechangeswehaveproposedfortheothermanualactuationswitches,thefollowingdescriptionforthenewFunctionalUnit9.dofT/STable3.3-3isbeingproposed:TotalNo.ofChannelsChannelsT~oTriMinimumChannels0erable2/steamline(1pertrain)2/steamline(1pertrain)'/steamline(1pertrain)TheaboveItem2changestoourmanualactuationfunctionaldescriptionsinT/STable3.3-3areadministrativeinnature,intendedonlytomaketheT/SdescriptionmoreaccurateandtobeconsistentwithT/STable3.3-5.Norequirementswithregardtooperabilitywerelessened.ChaneNo.3Technical:InconsistencBetweenSurveillanceT/STable4.3-2requiresthatbothtrainsofmanualactuationcircuitry,withtheexceptionoftheswitches,betestedmonthly.Theswitches,perNote1ofTable4.3-2,arerequiredtobetestedevery18months.'Piththeexceptionofsteamlineisolation,themanualswitchesinputdirectlyintotheirassociatedtrainssolidstateprotections"stem(SSPS).Themonthlytestingthatisperformedforthemanualactuationcircuitry(exceptsteamlineisolation)iscompletelyencompassedbytheautomaticactuationlogictestingoftheSSPS,whichperT/STable4.3-2istobeperformedevery31daysonastaggeredtrainbasis,essentiallybimonthly.Thedifferenttestingfrequenciesforthesameequipmentappears;obeaninconsistencyinourT/Ss,whichisnotfoundinRevision~ofcheSTS.Rev.4oftheSTSdoesnot Attachment1toAEP:NRC:1030Page5requiremonthlychannelfunctionaltestingofthemanualcircuitry.Rather,itrequiresthata"TripActuatingDeviceOperationalTest"beperformedevery18months.ThisisdefinedbytheSTSasfollows:ATRIPACTUATINGDEVICEOPERATIONALTESTshallconsistofoperatingtheTripActuatingDeviceandverifyingOPERABILITYofalarm,interlock,and/ortripfunctions.TheTRIPACTUATINGDEVICEOPERATIONALTESTshallincludeadjustment,asnecessary,oftheTripActuatingDevicesuchthatitactuatesattherequiredsetpointwithintherequiredaccuracy.TheinconsistencyinourT/Srequiredtestingfrequencyfortheportionofthecircuitrynotinvolvingthemanualswitchesisbelievedtobeanerror,whichwascorrectedinlaterversionsoftheSTSbyadoptingthe"TripActuatingDeviceOperationalTest"describedabove.TocorrecttheinconsistencyinourT/Ss,weareproposingtoadopttheSTSrequirementforthemanualswitches,andtoapplythemonthlytestingofthebalanceofthecircuitryonlytosteamlineisolation.Theterm"TripActuatingDeviceOperationalTest"isproposedfortheDefinitionSection(1)oftheT/SsandtoT/S4.3.2.1.1.MonthlytestingoftheautomaticactuationlogichasshowntheSSPSattheCookNuclearPlanttobeextremelyreliable.Therefore,webelievethatthefrequencyfortestingthemanual'ircuitry(exceptforsteamlineisolation)canbemadeconsistentwiththeotherSSPStestrequirementswithoutendangeringpublichealthandsafety.ChaneNo.4Technical:ActionReuirementsforManualSteamLineIsolationThischangeproposesamodificationtofunctionalunit4.a(SteamLineIsolation-Manual)ofT/STable3.3-3,forthepurposeofachievinggreaterconsistencywiththeSTS.Ascurrentlywritten,theactionstatementforfunctionalunit4.a(Action18)requirestheunittobeplacedinMode3within54hoursifthenumberofoperablechannelsisonelessthanthetotal.ThisdifiersfromtheSTSrequirement,whichrequiresthatthesteamlinestop'alveassociatedwiththeinoperablemanualchannelbedeclaredinoperableifthecauseofthechannelinoperabilityisnotcorrectedwithin48hours.Theactionrequirement-ofT/S3.7.1.5(SteamGeneratorStopValves)isthenfollowed.Forop~."a'oninMode1,operationwithoneinoperablebutopenstopval;~e~nproceedforfourhours.Ifthecauseof Attachment1toAEP:NRC:1030Page6theinoperabilityisnotcorrected,powermustbereducedbelowfivepercentofratedthermalpowerwithinthenexttwohours.ForModes2and3,operationmay'continueprovidedthestopvalveismaintainedclosed.MeareproposingtochangetheactionrequirementsforT/STable3.3-3functionalunit4.atobeconsistentwiththeSTS.Theactionrequirementischangedfromthecurrentaction18toanewaction20,whichisconsistentwiththeSTSrequirement.TheproposedchangeprovidesinternalconsistencywithintheT/Ssbymakingtheactionrequirementsforthesteamlinemanualactuationcircuitryconsistentwiththosefortheassociatedstopvalves.ThechangealsoprovidesconsistencywiththeSTS.ChaneNo.5EditorialThischangeproposestocorrectanerrorinT/STable3.3-5regardingfunctionsl.aandl.b.,Aspreviouslywritten,themanualstartofthecontainmentairrecirculationfansisgroupedwiththesafetyinjectionandrelatedfunctions.Thestartofthefansactuallyisassociatedwiththeswitchesoffunctionalgroupl.b(containmentsprayandrelatedfunctions).Therefore,weareproposingtomovethefunctionfromfunctionl.atofunctionl.b.Thischangeisalsoreflectedinourproposedfunctionalunit9forT/STables3.3-3,3.3-4and4.3-2,whichwasdescribedinChangeNo.1above.10CFR50.92EvaluationPer10CFR50.92,aproposedamendmentwillnotinvolveasignificanthazardsconsiderationiftheproposedamendmentdoesnot:(1)involveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated,(2)createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyanalyzedorevaluated,or(3)involve.isignificantreductioninamarginofsafety.Criterion1ChangeNos.1,2a:".d5areadministrativeinnature.TheyinvolverewritingtheT/Ss:"yardingESFmanualactuationssothatthefunctionsaremorci:curatelyportrayedinthedocument,orso Attachment1toAEP:NRC:1030Page7thatthedocumentisinternallyconsistent.ChangeNo.3,involvingtheESFmanualcircuitrytestingwillreducethefrequencyoftheportioninvolvingtheSSPSfromonceeverymonthtoonceeveryothermonth.ThischangecorrectsaninconsistencyinourT/SsbetweentherequirementsforthemanualcircuitryandtheSSPSrequirementswhichwasrecognizedandcorrectedinlaterversionsoftheSTS.OurreviewofthesurveillancetesthistoryofthemonthlySSPStestshasshownthatthesystemishighlyreliable,andgivesusconfidencethatthechangeintestfrequencywillnotendangerpublichealthandsafety.ChangeNo.4,tothemanualsteamlineisolationcircuitry,providesinternalconsistencyinourT/Ssbymakingtheactionrequirementsforthemanualactuationcircuitryconsistentwiththeassociatedstopvalves.ThechangeisconsistentwiththeSTS.Forthesereasons,itisourbeliefthattheproposedchangesdonotinvolveasignificantincreaseintheprobabilityorconsequencesofapreviouslyevaluatedaccident,nordotheyinvolveasignificantreductioninamarginofsafety.Criterion2Thechangeswillnotintroduceanynewmodesofplantoperation,norwillanyphysicalchangestotheplantberequired.Thus,thechangesshouldnotcreatethepossibilityof'anewordifferentkindofaccidentfromanyaccidentpreviouslyanalyzedorevaluated.Criterion3SeeCriterion1,above.Lastly,wenotethattheCommissionhasprovidedguidanceconcerningthedeterminationofsignificanthazardsbyprovidingcertainexamples(48FR14870)ofamendmentsconsiderednotlikelytoinvolvesignificanthazardsconsideration.Thefirstoftheseexamplesreferstochangeswhichareadministrativeinnature:forexample,changestoachieveconsistencythroughouttheT/Ss,correctionoferrors,orchangesinnomenclature.ChangeNos.1,2and5areinthiscategoryinthattheyclarifytheT/Ssandmakethemmoreinternallyconsistent.Thesixthexamplereferstochangeswhichmay".esultinsomeincreasetotheprobabilityorconsequencesofapreviouslyanalyzedaccident,butwheretheresultsofthechangeareclearlywithinacceptablelimits.ThisexampleisrelevanttochangeNos.3and4sincethechangesareconsistentwiththeSTS.Basedonthediscussionabove,weconcludethattheexampiescitedarerelevantandthatthechangesshouldnotrequiresignificanthazardsconsideration.}} | | TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommittee andwillbereviewedbytheNuclearSafetyandDesignReviewCommittee attheirnextregularly scheduled meeting.Incompliance withtherequirements of10CFR50.91(b)(1), |
| | copiesofthisletteranditsattachments havebeentransmitted toMr.R.C.CallenoftheMichiganPublicServiceConnnission andMr.GeorgeBruchmann oftheMichiganDepartment ofPublicHealth.Sg'0$220iSSS50003i'DR ADOCK05QPDCPgooi Dr.T.E.Murley-2-AEP:NRC:1030 Thisdocumenthasbeenpreparedfollowing Corporate procedures thatincorporate areasonable setofcontrolstoensureitsaccuracyandcompleteness priortosignature bytheundersigned. |
| | Sincerely, M.P.AlechVicePresident ldpAttachments cc:D.H.Williams, Jr.W.'.Smith,Jr.-BridgmanR.C.CallenG.Bruchmann G.CharnoffNRCResidentInspector |
| | -BridgmanA.B.Davis-RegionIII II ATTACHMENT 1TOAEP:NRC:1030 REASONSAND10CFR50.92ANALYSESFORCHANGESTOTHEDONALDC.COOKNUCLEARPLANTUNITS1AND2TECHNICAL SPECIFICATIONS Attachment 1toAEP:NRC:1030 Page1Thepurposeofthissubmittal istoclarifyandcorrectTechnical Specification (T/S)3/4.3.2.1 (Engineered SafetyFeaturesActuation SystemInstrumentation). |
| | Specifically, weareproposing tomodifyTables3.3-3,3.3-4,and4.3-2tomoreaccurately reflectthedesignoftheESFmanualactuation channelsasdelineated inT/STable3.3-5andtomorecloselyresemblethesurveillance requirements oftheStandardT/Ss(STS).Wearealsoproposing amodification toT/STable3.3-5sothatitmoreaccurately reflectsthedesignoftheESFmanualactuation channels. |
| | Thespecificproblemsandassociated changesaredescribed below.ChaneNo.1Editorial |
| | :Misleadin DescritionofFunctions T/STables3.3-3,3.3-4,and4.3-2describethefollowing specificmanualactuation channels: |
| | Functional Unitl.aManualSafetyinjection (andassociated actuations) 2.aManual3.a.lManual3.b.lManual3.c.lManualContainment sprayContainment Phase"A"isolation Containment Phase"B"isolation Containment Purgeandexhaustisolation 4.aManualSteamlineisolation Thewayinwhichthesesixfunctional unitsnotedabovearelistedinT/STables3.3-3,3.3-4,and4.3-2impliesthatthereareseparatemanualswitchesforeach.However,duetoonemanualswitchactuating morethanonefunctionincertaincases,thereareeffectively onlyfourfunctional units.Thesefourarediscernible by"!:i"ayinwhichtheyarecurrently listedinT/STable3.3-5,whichdescribes themasfollows:Initiatin Sinal.ndFunction1.ManualDescritionSafetyinjection (ECCS)Feedwater isolation Reactortrip'(SI) |
| | Attachment 1toAEP:NRC:1030 Page2Ini,tiatin SinalandFunctionContainment isolation-Phase "A"Containment purgeandexhaustisolation Auxiliary feedwater pumpsEssential servicewatersystemContainment airrecirculation fanContainment sprayContainment isolation-Phase "B"Containment purgeandexhaustisolation Containment isolation-Phase "A"Containment purgeandexhaustisolation Steamlineisolation Inordertomakethefunctiondescriptions consistent betweenT/Stables,wehavecreatedaFunctional Unit9inTables3.3-3,3.3-4,and4.3-2,whichliststhemanualactuation functions consistent withTable3.3-5.(Note,however,thatthemanualstartofthecontainment airrecirculation fanswillbeplacedwithgroupb[containment sprayandrelatedfunctions] |
| | ratherthangroupa.Thisisconsistent withaproposedchangetoT/STable3.3-5described under"ChangeNo.5").Theinformation forthepresentfunctional units(l.a,2.a,3.a.l,3.b.l,3.c.land4.a)inTables3.3-3,3.3-4,and4.3-2hasbeenreplacedwiththewords"SeeFunctional Unit9."Thischangeisadministrative innature,intendedonlytomaketheT/Sdescription ofthemanualfunctions moreaccurate. |
| | Presently, T/STable3.3-3Function3(PurgeandExhaustIsolation Functions) hasafootnotewhichstatesthattherequirements areonlyapplicable duringpurge.Thefootnoteisappliedto'llthreepartsofthefunction, i.e.,manual,containment radioactivity |
| | -hi~,hTrainAandcontainment radioactivity |
| | -highTrainB.AsdeiiniicedinTable3.3-5,themanualcircuitry pioviding purgean<!exhaustisolation alsoprovidesotherfunctions, suchassafetyinjection, whicharestillapplicable attimesotherthanduringpurge.Therefore, wehaverelocated thefootnotedesignator suchthatitonlyappliestothehighcontainment radioac".'.vity functions. |
| | 1 Attachment 1toAEP:NRC:1030 Page3ChaneNo.2Editorial |
| | :Misleadin DescritionofEuimentinTable3.3-3Thereareinconsistencies intheT/STable3.3-3descriptions ofthenumberofchannelswhichexistandthenumberofchannelsrequiredtotripforthemanualinitiations described above.Thesearedescribed below.a.Functional Unitl.aSafetInectionManualActuation T/STable3.3-3Functional Unitl.aindicates thatthereareatotaloftwosafetyinjection (SI)andrelatedfunctionmanualactuation |
| | : channels, withoneofthetwochannelsrequiredforanSIactuation. |
| | Thisfunctional unit,whichcorresponds intheactualplantdesigntoFunctional Unitl.aofT/STable3.3-5,doesnotmakeitclearthattheaboveistrueforeachtrainofthe'unction. |
| | Thereactuallyarefourswitchesforthisfunction, tworedundant switchespertrain.ClosingeitheroneofthetwoSImanualswitchespertrainwillinitiatethattrainofSI.Toavoidconfusion, weareproposing todescribetheseinourproposedFunctional Unit9.aforT/STable3.3-3asfollows:TotalNo.ofChannelsChannelsToTriMinimumChannels0erable2/train1/train2/trainb.Functional Unit2.aContainment SraManual3.a.lContainment Isolation PhaseAManual3.b.lContainment Isolation PhaseBManualand3.c.lContainment Isolation PureandExhaustManualTheabovefourfunctional units*correspond intheactualplantdesigntofunctions l.b(Containment Spray,Containment Isolation, PhaseB;andPurgeandExhaustIsolation) andl.c(Containment Isolation, PhaseA,andPurge.>>~dExhaustIsolation). |
| | ofT/STable3.3-5.Eachofthea~twofunctiongroupshasoneswitchpertrain.Closin~,:he switchinitiates onlythattrain'sfunctions. |
| | However,T/STable3.3-3describes functional unit2.a(containment spray)and3.b.l(Phase"B"isol.ition) aseachhavingtwochannels, withbothchannels:equiredtotrip.Toavoidconfusion, weareproposin.;:o describethemanualchannelsinourproposed:'nctional units9.band9.cforT/STable3.3-3<<<.l:'ows:*SeeChangeNo.5;,.-arelatedchange. |
| | I~V Attachment 1toAEP:NRC:1030 Page4TotalNo.ofChannelsChannels~ToTriMinimumChannels0erable.1/train1/train1/trainc.Functional Unit4.aSteamLineIsolation ManualThereisonemainsteamstopvalveineachofthefourmainsteamlinesattheCookNuclearPlant.Fastclosureofthemainsteamstopvalvesisaccomplished bydumpvalves.Therearetwodumpvalvesforeachstopvalve(i.e.,8dumpvalves),andoneswitchperdumpvalve(i.e.,8switches). |
| | Actuation ofeitheroneofthetwodumpvalvesperstopvalvewillresultinclosureofthestopvalve.Tobeconsistent withthechangeswehaveproposedfortheothermanualactuation |
| | : switches, thefollowing description forthenewFunctional Unit9.dofT/STable3.3-3isbeingproposed: |
| | TotalNo.ofChannelsChannelsT~oTriMinimumChannels0erable2/steamline(1pertrain)2/steamline(1pertrain)'/steamline(1pertrain)TheaboveItem2changestoourmanualactuation functional descriptions inT/STable3.3-3areadministrative innature,intendedonlytomaketheT/Sdescription moreaccurateandtobeconsistent withT/STable3.3-5.Norequirements withregardtooperability werelessened. |
| | ChaneNo.3Technical |
| | :Inconsistenc BetweenSurveillance T/STable4.3-2requiresthatbothtrainsofmanualactuation circuitry, withtheexception oftheswitches, betestedmonthly.Theswitches, perNote1ofTable4.3-2,arerequiredtobetestedevery18months.'Piththeexception ofsteamlineisolation, themanualswitchesinputdirectlyintotheirassociated trainssolidstateprotection s"stem(SSPS).Themonthlytestingthatisperformed forthemanualactuation circuitry (exceptsteamlineisolation) iscompletely encompassed bytheautomatic actuation logictestingoftheSSPS,whichperT/STable4.3-2istobeperformed every31daysonastaggered trainbasis,essentially bimonthly |
| | .Thedifferent testingfrequencies forthesameequipment appears;obeaninconsistency inourT/Ss,whichisnotfoundinRevision~ofcheSTS.Rev.4oftheSTSdoesnot Attachment 1toAEP:NRC:1030 Page5requiremonthlychannelfunctional testingofthemanualcircuitry. |
| | Rather,itrequiresthata"TripActuating DeviceOperational Test"beperformed every18months.ThisisdefinedbytheSTSasfollows:ATRIPACTUATING DEVICEOPERATIONAL TESTshallconsistofoperating theTripActuating Deviceandverifying OPERABILITY ofalarm,interlock, and/ortripfunctions. |
| | TheTRIPACTUATING DEVICEOPERATIONAL TESTshallincludeadjustment, asnecessary, oftheTripActuating Devicesuchthatitactuatesattherequiredsetpointwithintherequiredaccuracy. |
| | Theinconsistency inourT/Srequiredtestingfrequency fortheportionofthecircuitry notinvolving themanualswitchesisbelievedtobeanerror,whichwascorrected inlaterversionsoftheSTSbyadoptingthe"TripActuating DeviceOperational Test"described above.Tocorrecttheinconsistency inourT/Ss,weareproposing toadopttheSTSrequirement forthemanualswitches, andtoapplythemonthlytestingofthebalanceofthecircuitry onlytosteamlineisolation. |
| | Theterm"TripActuating DeviceOperational Test"isproposedfortheDefinition Section(1)oftheT/SsandtoT/S4.3.2.1.1. |
| | Monthlytestingoftheautomatic actuation logichasshowntheSSPSattheCookNuclearPlanttobeextremely reliable. |
| | Therefore, webelievethatthefrequency fortestingthemanual'ircuitry (exceptforsteamlineisolation) canbemadeconsistent withtheotherSSPStestrequirements withoutendangering publichealthandsafety.ChaneNo.4Technical |
| | :ActionReuirements forManualSteamLineIsolation Thischangeproposesamodification tofunctional unit4.a(SteamLineIsolation-Manual) ofT/STable3.3-3,forthepurposeofachieving greaterconsistency withtheSTS.Ascurrently written,theactionstatement forfunctional unit4.a(Action18)requirestheunittobeplacedinMode3within54hoursifthenumberofoperablechannelsisonelessthanthetotal.ThisdifiersfromtheSTSrequirement, whichrequiresthatthesteamlinestop'alve associated withtheinoperable manualchannelbedeclaredinoperable ifthecauseofthechannelinoperability isnotcorrected within48hours.Theactionrequirement-of T/S3.7.1.5(SteamGenerator StopValves)isthenfollowed. |
| | Forop~."a'on inMode1,operation withoneinoperable butopenstopval;~e~nproceedforfourhours.Ifthecauseof Attachment 1toAEP:NRC:1030 Page6theinoperability isnotcorrected, powermustbereducedbelowfivepercentofratedthermalpowerwithinthenexttwohours.ForModes2and3,operation may'continue providedthestopvalveismaintained closed.Meareproposing tochangetheactionrequirements forT/STable3.3-3functional unit4.atobeconsistent withtheSTS.Theactionrequirement ischangedfromthecurrentaction18toanewaction20,whichisconsistent withtheSTSrequirement. |
| | Theproposedchangeprovidesinternalconsistency withintheT/Ssbymakingtheactionrequirements forthesteamlinemanualactuation circuitry consistent withthosefortheassociated stopvalves.Thechangealsoprovidesconsistency withtheSTS.ChaneNo.5Editorial ThischangeproposestocorrectanerrorinT/STable3.3-5regarding functions l.aandl.b.,Aspreviously written,themanualstartofthecontainment airrecirculation fansisgroupedwiththesafetyinjection andrelatedfunctions. |
| | Thestartofthefansactuallyisassociated withtheswitchesoffunctional groupl.b(containment sprayandrelatedfunctions). |
| | Therefore, weareproposing tomovethefunctionfromfunctionl.atofunctionl.b.Thischangeisalsoreflected inourproposedfunctional unit9forT/STables3.3-3,3.3-4and4.3-2,whichwasdescribed inChangeNo.1above.10CFR50.92Evaluation Per10CFR50.92,aproposedamendment willnotinvolveasignificant hazardsconsideration iftheproposedamendment doesnot:(1)involveasignificant increaseintheprobability orconsequences ofanaccidentpreviously evaluated, (2)createthepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously analyzedorevaluated, or(3)involve.isignificant reduction inamarginofsafety.Criterion 1ChangeNos.1,2a:".d5areadministrative innature.Theyinvolverewriting theT/Ss:"yarding ESFmanualactuations sothatthefunctions aremorci:curately portrayed inthedocument, orso Attachment 1toAEP:NRC:1030 Page7thatthedocumentisinternally consistent. |
| | ChangeNo.3,involving theESFmanualcircuitry testingwillreducethefrequency oftheportioninvolving theSSPSfromonceeverymonthtoonceeveryothermonth.Thischangecorrectsaninconsistency inourT/Ssbetweentherequirements forthemanualcircuitry andtheSSPSrequirements whichwasrecognized andcorrected inlaterversionsoftheSTS.Ourreviewofthesurveillance testhistoryofthemonthlySSPStestshasshownthatthesystemishighlyreliable, andgivesusconfidence thatthechangeintestfrequency willnotendangerpublichealthandsafety.ChangeNo.4,tothemanualsteamlineisolation circuitry, providesinternalconsistency inourT/Ssbymakingtheactionrequirements forthemanualactuation circuitry consistent withtheassociated stopvalves.Thechangeisconsistent withtheSTS.Forthesereasons,itisourbeliefthattheproposedchangesdonotinvolveasignificant increaseintheprobability orconsequences ofapreviously evaluated |
| | : accident, nordotheyinvolveasignificant reduction inamarginofsafety.Criterion 2Thechangeswillnotintroduce anynewmodesofplantoperation, norwillanyphysicalchangestotheplantberequired. |
| | Thus,thechangesshouldnotcreatethepossibility of'anewordifferent kindofaccidentfromanyaccidentpreviously analyzedorevaluated. |
| | Criterion 3SeeCriterion 1,above.Lastly,wenotethattheCommission hasprovidedguidanceconcerning thedetermination ofsignificant hazardsbyproviding certainexamples(48FR14870)ofamendments considered notlikelytoinvolvesignificant hazardsconsideration. |
| | Thefirstoftheseexamplesreferstochangeswhichareadministrative innature:forexample,changestoachieveconsistency throughout theT/Ss,correction oferrors,orchangesinnomenclature. |
| | ChangeNos.1,2and5areinthiscategoryinthattheyclarifytheT/Ssandmakethemmoreinternally consistent. |
| | Thesixthexamplereferstochangeswhichmay".esultinsomeincreasetotheprobability orconsequences ofapreviously analyzedaccident, butwheretheresultsofthechangeareclearlywithinacceptable limits.ThisexampleisrelevanttochangeNos.3and4sincethechangesareconsistent withtheSTS.Basedonthediscussion above,weconcludethattheexampiescitedarerelevantandthatthechangesshouldnotrequiresignificant hazardsconsideration.}} |
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1999-09-23
[Table view]
Category:TEXT-LICENSE APPLICATIONS & PERMITS
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Application for Amends to Licenses DPR-58 & DPR-74, Requesting Rev of Reactor Coolant Pump Flywheel Insp Frequency
ML17334B5941996-07-11011 July 1996
Application for Amends to Licenses DPR-58 & DPR-74,revising TS to Support Operation of Unit 2 at Increased Core Rated Thermal Power of 3,588 Mwt.Rev 1 to WCAP-14489, ...Unit 2 3,600 Mwt Uprating Program Licensing Rept Encl
ML17334B5901996-06-19019 June 1996
Application for Amend to License DPR-58,addressing Applicable Requirements of NRC GL 95-05, Voltage-Based Repair Criteria for Repair of Westinghouse SG Tubes Affected by Outside Diameter Stress Corrosion Cracking.
ML17334B5891996-06-11011 June 1996
Application for Amends to Licenses DPR-58 & DPR-74,removing TSs Certain Requirements for Administrative Controls,Related to QA Requirements,Per Administrative Ltr 96-05
ML17333A4201996-04-0808 April 1996
Application for Amends to Licenses DPR-58 & DPR-74,moving TS 4.0.4 Exemption Statement for MSSVs Into Section 4.7.1.1
ML17333A3551996-03-12012 March 1996
Application for Amend to License DPR-74,removing TSs Re Shutdown & Control Rod Position Indication While in Modes 3, 4 & 5
ML17334B5751996-02-29029 February 1996
Application for Amends to Licenses DPR-58 & DPR-74,revising TS to Reduce Boric Acid Concentration in Boric Acid Storage Sys from Approx 12 Percent to Approx 4 Percent by Weight. Technical Rept Presenting Justificaion for Changes Encl
ML17334B5741996-02-26026 February 1996
Application for Amends to Licenses DPR-58 & DPR-74,modifying TS 5.6.2 to Increase Current Limit on Nominal Fuel Assembly Enrichment for New,Westinghouse - Fabricated Fuel Stored in New Fuel Storage Racks
ML17333A3201996-02-22022 February 1996
Application for Amends to Licenses DPR-58 & DPR-74,proposing to Remove Requirement That Operations Superintendent Must Hold or Have Held Sol at Plant or Similar Reactor
ML17333A3151996-02-22022 February 1996
Application for Amends to Licenses DPR-58 & DPR-74,modifying Table 4.8-1,DG Test Schedule by Ref Rg 1.9,Rev 3 Rather than Rg 1.108,Rev 1 Criteria for Determination of Valid DG Test
ML17333A2641996-01-12012 January 1996
Application for Amends to Licenses DPR-58 & DPR-74,modifying TS Section 4.4.11 to Eliminate SR Demonstrating Operability of Emergency Power Supply for Pressurizer PORVs & Block Valves
ML17333A2391995-12-19019 December 1995
Application for Amends to Licenses DPR-58 & DPR-74,modifying TS 3/4.6.1.2,3/4.6.1.3,3/4.6.1.6 & 3/4.6.1.6 to Require Types A,B & C Tests (Overall Integrated & Local Containment Leakage Rate) to Be Performed Per 10CFR50,App J Option B
ML17332B0111995-11-10010 November 1995
Application for Amends to Licenses DPR-58 & DPR-74,revising Ts,By Modifying Surveillance Testing of EDG During Refueling & Normal Operations
ML17332A9971995-10-20020 October 1995
Application for Amends to Licenses DPR-58 & DPR-74,proposing to Add Exemption to TS 4.0.4 in Surveillance Requirements for MSIV
ML17332A9111995-08-0606 August 1995
Application for Amends to Licenses DPR-58 & DPR-74,informing That Licensee Has 45 Days from Date of Issuance to Implement Amend Unless Otherwise Specified
ML17334B5561995-08-0404 August 1995
Application for Exigent Amend to License DPR-58,modifying TS 4.4.5.4 & 4.4.5.5 for Repair of Hybrid Expansion Joint Sleeved SG Tubes.Proprietary W Rept WCAP-14446, Repair...Of Hybrid Expansion Joint...Tubes Encl.W Rept Withheld
ML17332A8271995-06-30030 June 1995
Application for Amends to Licenses DPR-58 & DPR-74,changing TS Section 5.3.1 to Allow Fuel Reconstitution,Per GL 90-02, Suppl 1
ML17334B5501995-06-20020 June 1995
License Amend Request to Licenses DPR-58 & DPR-74,to Remove Requirements for Fire Protection Systems from Licenses & Guidance in GL 86-10,GL 88-12 & GL 93-07
ML17332A7991995-06-15015 June 1995
Application for Amends to Licenses DPR-58 & DPR-74,revising TS 4.8.1.1.2.e.7 to Reduce Duration of Surveillance Testing for EDGs During Refueling Operations from 24 H to 8 H
ML17334B5481995-05-26026 May 1995
Application for Amends to Licenses DPR-58 & DPR-74.Amends Would Support Operation of Unit 1 at SG Tube Plugging Levels Up to 30%,make One Unit 1 TS More Nearly Like Corresponding Unit 2 TS & Maintain Consistency of Unit 2 Criteria
ML17334B5461995-05-26026 May 1995
Application for Amends to Licenses DPR-58 & DPR-74,modifying Tech Specs 3/4.3.1 (Reactor Trip Sys Instrumentation) & 3/4.3.2 (ESFAS Instrumentation) & Bases to Relocate Tables of Response Time Limits to Ufsar,Per GL 93-08
ML17332A7661995-05-25025 May 1995
Application for Amends to Licenses DPR-58 & DPR-74.Amends Would Incorporate Cycle & Burnup Dependent Peaking Factor Penalty
ML17332A7741995-05-25025 May 1995
Application for Amends to Licenses DPR-58 & DPR-74,modifying TS 5.3.1 to Allow Fuel Reconstitution,Per GL 90-02,Suppl 1
ML17332A7771995-05-25025 May 1995
Application for Amends to Licenses DPR-58 & DPR-74,modifying TS Table 4.3-2 to Change Main Steam Line Isolation Valve Manual Actuation Sys Surveillance Frequency from Monthly to Quarterly
1999-09-23
[Table view] |
Text
"icczUmvzoDlRIBUTJON gpMpg~~~av, 1~REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)RjQg'hDDS
SUBJECT:
Application foramendstoLicensesPDR-586DPR-74,modifying TechSpec3.3.2.1Tables3.3-3,3.3-4,3.3-5 64.3-2.DISTRIBUTION CODE:A001DCOPIESRECEIVED:LTR ENCLSIZE:TITLE:ORSubmittal:
GeneralDistribution NOTES:COPIESLTTRENCL1011COPIESLTTRENCL22RECIPIENT IDCODE/NAME PD3-1PDRECIPIENT IDCODE/NAME PD3-1LASTANG,JINTERNAL:
ARM/DAF/LFMB NRR/DEST/CEB 8HNRR/DEST/MTB 9HNRR/DEST/SICB NUDOCS-ABS RACTNRR/DEST/ADS 7ENRR/DEST/ESB 8DNRR/DEST/RSB 8ENRR/DOEA/TSB 11OGC/HDS1RES/DSIR/EIB 1111111110111011'1111111ACCESSION NBR:8903220188 DOC.DATE:
89/03/14NOTARIZED:
NO.DOCKETFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,Indiana60500031550-316DonaldC.CookNuclearPowerPlant,Unit2,Indiana&05000316AUTH.NAMEAUTHORAFFILIATION ALEXICH,M.P.
IndianaMichiganPowerCo.(formerly Indiana6MichiganEleRECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk)EXTERNAL:
LPDRNSIC1111NRCPDR11RIhNOTE'IOALL"RIDS"RECIPIENIS'IZASE HELPUSIOREZUCEWASTE.'XNI'ACI'IHE DOCUMENI'MURt3L DESKSROOMPl-37(EXT.20079)KOEIZMZNATE YMRKkKFMHDISTRIBUTION LTSTSFORDOCUMEÃIS YOUDOlN'TNEED)TOTALNUMBEROFCOPIESREQUIRED:
LTTR19ENCL16 0ji'pP\
indianaMichiganPowerCompanyP.O.Box16631Columbus, OH43216AEP:NRC:1030 10CFR50.90DonaldC.CookNuclearPlantUnits1and2DocketNos.50-315and50-316LicenseNos.DPR-58andDPR-74TECHNICAL SPECIFICATION CHANGE:SAFETYINJECTION ANDCONTAINMENT SPRAYMANUALACTUATION SIGNALSU.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, D.C.20555Attn:T.E.MurleyMarch14,1989
DearDr.Murley:
Thisletteranditsattachments constitute anapplication foramendment totheTechnical Specifications (T/Ss)fortheDonaldC.CookNuclearPlantUnits1and2.Specifically, weareproposing tomodifyT/S3.3.2.1(Engineered SafetyFeatureActuation SystemInstrumentation)
Tables3.3-3,3.3-4,3.3-5and4.3-2sothattheymoreaccurately reflectthedesignoftheESFmanualactuation functions, andreference moreappropriate surveillance andactionrequirements formanualactuations withrespecttotheWestinghouse StandardT/Ss.Attachment 1tothislettercontainsthereasonsforthechangesandouranalysesconcerning significant hazardsconsideration.
Attachment 2containstheproposedrevisedT/Spages.Webelievethattheproposedchangeswillnotresultin(1)asignificant changeinthetypesofeffluents orasignificant increaseintheamountsofanyeffluentthatmaybereleasedoffsite,or(2)asignificant increaseinindividual orcumulative occupational radiation exposure.
TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommittee andwillbereviewedbytheNuclearSafetyandDesignReviewCommittee attheirnextregularly scheduled meeting.Incompliance withtherequirements of10CFR50.91(b)(1),
copiesofthisletteranditsattachments havebeentransmitted toMr.R.C.CallenoftheMichiganPublicServiceConnnission andMr.GeorgeBruchmann oftheMichiganDepartment ofPublicHealth.Sg'0$220iSSS50003i'DR ADOCK05QPDCPgooi Dr.T.E.Murley-2-AEP:NRC:1030 Thisdocumenthasbeenpreparedfollowing Corporate procedures thatincorporate areasonable setofcontrolstoensureitsaccuracyandcompleteness priortosignature bytheundersigned.
Sincerely, M.P.AlechVicePresident ldpAttachments cc:D.H.Williams, Jr.W.'.Smith,Jr.-BridgmanR.C.CallenG.Bruchmann G.CharnoffNRCResidentInspector
-BridgmanA.B.Davis-RegionIII II ATTACHMENT 1TOAEP:NRC:1030 REASONSAND10CFR50.92ANALYSESFORCHANGESTOTHEDONALDC.COOKNUCLEARPLANTUNITS1AND2TECHNICAL SPECIFICATIONS Attachment 1toAEP:NRC:1030 Page1Thepurposeofthissubmittal istoclarifyandcorrectTechnical Specification (T/S)3/4.3.2.1 (Engineered SafetyFeaturesActuation SystemInstrumentation).
Specifically, weareproposing tomodifyTables3.3-3,3.3-4,and4.3-2tomoreaccurately reflectthedesignoftheESFmanualactuation channelsasdelineated inT/STable3.3-5andtomorecloselyresemblethesurveillance requirements oftheStandardT/Ss(STS).Wearealsoproposing amodification toT/STable3.3-5sothatitmoreaccurately reflectsthedesignoftheESFmanualactuation channels.
Thespecificproblemsandassociated changesaredescribed below.ChaneNo.1Editorial
- Misleadin DescritionofFunctions T/STables3.3-3,3.3-4,and4.3-2describethefollowing specificmanualactuation channels:
Functional Unitl.aManualSafetyinjection (andassociated actuations) 2.aManual3.a.lManual3.b.lManual3.c.lManualContainment sprayContainment Phase"A"isolation Containment Phase"B"isolation Containment Purgeandexhaustisolation 4.aManualSteamlineisolation Thewayinwhichthesesixfunctional unitsnotedabovearelistedinT/STables3.3-3,3.3-4,and4.3-2impliesthatthereareseparatemanualswitchesforeach.However,duetoonemanualswitchactuating morethanonefunctionincertaincases,thereareeffectively onlyfourfunctional units.Thesefourarediscernible by"!:i"ayinwhichtheyarecurrently listedinT/STable3.3-5,whichdescribes themasfollows:Initiatin Sinal.ndFunction1.ManualDescritionSafetyinjection (ECCS)Feedwater isolation Reactortrip'(SI)
Attachment 1toAEP:NRC:1030 Page2Ini,tiatin SinalandFunctionContainment isolation-Phase "A"Containment purgeandexhaustisolation Auxiliary feedwater pumpsEssential servicewatersystemContainment airrecirculation fanContainment sprayContainment isolation-Phase "B"Containment purgeandexhaustisolation Containment isolation-Phase "A"Containment purgeandexhaustisolation Steamlineisolation Inordertomakethefunctiondescriptions consistent betweenT/Stables,wehavecreatedaFunctional Unit9inTables3.3-3,3.3-4,and4.3-2,whichliststhemanualactuation functions consistent withTable3.3-5.(Note,however,thatthemanualstartofthecontainment airrecirculation fanswillbeplacedwithgroupb[containment sprayandrelatedfunctions]
ratherthangroupa.Thisisconsistent withaproposedchangetoT/STable3.3-5described under"ChangeNo.5").Theinformation forthepresentfunctional units(l.a,2.a,3.a.l,3.b.l,3.c.land4.a)inTables3.3-3,3.3-4,and4.3-2hasbeenreplacedwiththewords"SeeFunctional Unit9."Thischangeisadministrative innature,intendedonlytomaketheT/Sdescription ofthemanualfunctions moreaccurate.
Presently, T/STable3.3-3Function3(PurgeandExhaustIsolation Functions) hasafootnotewhichstatesthattherequirements areonlyapplicable duringpurge.Thefootnoteisappliedto'llthreepartsofthefunction, i.e.,manual,containment radioactivity
-hi~,hTrainAandcontainment radioactivity
-highTrainB.AsdeiiniicedinTable3.3-5,themanualcircuitry pioviding purgean<!exhaustisolation alsoprovidesotherfunctions, suchassafetyinjection, whicharestillapplicable attimesotherthanduringpurge.Therefore, wehaverelocated thefootnotedesignator suchthatitonlyappliestothehighcontainment radioac".'.vity functions.
1 Attachment 1toAEP:NRC:1030 Page3ChaneNo.2Editorial
- Misleadin DescritionofEuimentinTable3.3-3Thereareinconsistencies intheT/STable3.3-3descriptions ofthenumberofchannelswhichexistandthenumberofchannelsrequiredtotripforthemanualinitiations described above.Thesearedescribed below.a.Functional Unitl.aSafetInectionManualActuation T/STable3.3-3Functional Unitl.aindicates thatthereareatotaloftwosafetyinjection (SI)andrelatedfunctionmanualactuation
- channels, withoneofthetwochannelsrequiredforanSIactuation.
Thisfunctional unit,whichcorresponds intheactualplantdesigntoFunctional Unitl.aofT/STable3.3-5,doesnotmakeitclearthattheaboveistrueforeachtrainofthe'unction.
Thereactuallyarefourswitchesforthisfunction, tworedundant switchespertrain.ClosingeitheroneofthetwoSImanualswitchespertrainwillinitiatethattrainofSI.Toavoidconfusion, weareproposing todescribetheseinourproposedFunctional Unit9.aforT/STable3.3-3asfollows:TotalNo.ofChannelsChannelsToTriMinimumChannels0erable2/train1/train2/trainb.Functional Unit2.aContainment SraManual3.a.lContainment Isolation PhaseAManual3.b.lContainment Isolation PhaseBManualand3.c.lContainment Isolation PureandExhaustManualTheabovefourfunctional units*correspond intheactualplantdesigntofunctions l.b(Containment Spray,Containment Isolation, PhaseB;andPurgeandExhaustIsolation) andl.c(Containment Isolation, PhaseA,andPurge.>>~dExhaustIsolation).
ofT/STable3.3-5.Eachofthea~twofunctiongroupshasoneswitchpertrain.Closin~,:he switchinitiates onlythattrain'sfunctions.
However,T/STable3.3-3describes functional unit2.a(containment spray)and3.b.l(Phase"B"isol.ition) aseachhavingtwochannels, withbothchannels:equiredtotrip.Toavoidconfusion, weareproposin.;:o describethemanualchannelsinourproposed:'nctional units9.band9.cforT/STable3.3-3<<<.l:'ows:*SeeChangeNo.5;,.-arelatedchange.
I~V Attachment 1toAEP:NRC:1030 Page4TotalNo.ofChannelsChannels~ToTriMinimumChannels0erable.1/train1/train1/trainc.Functional Unit4.aSteamLineIsolation ManualThereisonemainsteamstopvalveineachofthefourmainsteamlinesattheCookNuclearPlant.Fastclosureofthemainsteamstopvalvesisaccomplished bydumpvalves.Therearetwodumpvalvesforeachstopvalve(i.e.,8dumpvalves),andoneswitchperdumpvalve(i.e.,8switches).
Actuation ofeitheroneofthetwodumpvalvesperstopvalvewillresultinclosureofthestopvalve.Tobeconsistent withthechangeswehaveproposedfortheothermanualactuation
- switches, thefollowing description forthenewFunctional Unit9.dofT/STable3.3-3isbeingproposed:
TotalNo.ofChannelsChannelsT~oTriMinimumChannels0erable2/steamline(1pertrain)2/steamline(1pertrain)'/steamline(1pertrain)TheaboveItem2changestoourmanualactuation functional descriptions inT/STable3.3-3areadministrative innature,intendedonlytomaketheT/Sdescription moreaccurateandtobeconsistent withT/STable3.3-5.Norequirements withregardtooperability werelessened.
ChaneNo.3Technical
- Inconsistenc BetweenSurveillance T/STable4.3-2requiresthatbothtrainsofmanualactuation circuitry, withtheexception oftheswitches, betestedmonthly.Theswitches, perNote1ofTable4.3-2,arerequiredtobetestedevery18months.'Piththeexception ofsteamlineisolation, themanualswitchesinputdirectlyintotheirassociated trainssolidstateprotection s"stem(SSPS).Themonthlytestingthatisperformed forthemanualactuation circuitry (exceptsteamlineisolation) iscompletely encompassed bytheautomatic actuation logictestingoftheSSPS,whichperT/STable4.3-2istobeperformed every31daysonastaggered trainbasis,essentially bimonthly
.Thedifferent testingfrequencies forthesameequipment appears;obeaninconsistency inourT/Ss,whichisnotfoundinRevision~ofcheSTS.Rev.4oftheSTSdoesnot Attachment 1toAEP:NRC:1030 Page5requiremonthlychannelfunctional testingofthemanualcircuitry.
Rather,itrequiresthata"TripActuating DeviceOperational Test"beperformed every18months.ThisisdefinedbytheSTSasfollows:ATRIPACTUATING DEVICEOPERATIONAL TESTshallconsistofoperating theTripActuating Deviceandverifying OPERABILITY ofalarm,interlock, and/ortripfunctions.
TheTRIPACTUATING DEVICEOPERATIONAL TESTshallincludeadjustment, asnecessary, oftheTripActuating Devicesuchthatitactuatesattherequiredsetpointwithintherequiredaccuracy.
Theinconsistency inourT/Srequiredtestingfrequency fortheportionofthecircuitry notinvolving themanualswitchesisbelievedtobeanerror,whichwascorrected inlaterversionsoftheSTSbyadoptingthe"TripActuating DeviceOperational Test"described above.Tocorrecttheinconsistency inourT/Ss,weareproposing toadopttheSTSrequirement forthemanualswitches, andtoapplythemonthlytestingofthebalanceofthecircuitry onlytosteamlineisolation.
Theterm"TripActuating DeviceOperational Test"isproposedfortheDefinition Section(1)oftheT/SsandtoT/S4.3.2.1.1.
Monthlytestingoftheautomatic actuation logichasshowntheSSPSattheCookNuclearPlanttobeextremely reliable.
Therefore, webelievethatthefrequency fortestingthemanual'ircuitry (exceptforsteamlineisolation) canbemadeconsistent withtheotherSSPStestrequirements withoutendangering publichealthandsafety.ChaneNo.4Technical
- ActionReuirements forManualSteamLineIsolation Thischangeproposesamodification tofunctional unit4.a(SteamLineIsolation-Manual) ofT/STable3.3-3,forthepurposeofachieving greaterconsistency withtheSTS.Ascurrently written,theactionstatement forfunctional unit4.a(Action18)requirestheunittobeplacedinMode3within54hoursifthenumberofoperablechannelsisonelessthanthetotal.ThisdifiersfromtheSTSrequirement, whichrequiresthatthesteamlinestop'alve associated withtheinoperable manualchannelbedeclaredinoperable ifthecauseofthechannelinoperability isnotcorrected within48hours.Theactionrequirement-of T/S3.7.1.5(SteamGenerator StopValves)isthenfollowed.
Forop~."a'on inMode1,operation withoneinoperable butopenstopval;~e~nproceedforfourhours.Ifthecauseof Attachment 1toAEP:NRC:1030 Page6theinoperability isnotcorrected, powermustbereducedbelowfivepercentofratedthermalpowerwithinthenexttwohours.ForModes2and3,operation may'continue providedthestopvalveismaintained closed.Meareproposing tochangetheactionrequirements forT/STable3.3-3functional unit4.atobeconsistent withtheSTS.Theactionrequirement ischangedfromthecurrentaction18toanewaction20,whichisconsistent withtheSTSrequirement.
Theproposedchangeprovidesinternalconsistency withintheT/Ssbymakingtheactionrequirements forthesteamlinemanualactuation circuitry consistent withthosefortheassociated stopvalves.Thechangealsoprovidesconsistency withtheSTS.ChaneNo.5Editorial ThischangeproposestocorrectanerrorinT/STable3.3-5regarding functions l.aandl.b.,Aspreviously written,themanualstartofthecontainment airrecirculation fansisgroupedwiththesafetyinjection andrelatedfunctions.
Thestartofthefansactuallyisassociated withtheswitchesoffunctional groupl.b(containment sprayandrelatedfunctions).
Therefore, weareproposing tomovethefunctionfromfunctionl.atofunctionl.b.Thischangeisalsoreflected inourproposedfunctional unit9forT/STables3.3-3,3.3-4and4.3-2,whichwasdescribed inChangeNo.1above.10CFR50.92Evaluation Per10CFR50.92,aproposedamendment willnotinvolveasignificant hazardsconsideration iftheproposedamendment doesnot:(1)involveasignificant increaseintheprobability orconsequences ofanaccidentpreviously evaluated, (2)createthepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously analyzedorevaluated, or(3)involve.isignificant reduction inamarginofsafety.Criterion 1ChangeNos.1,2a:".d5areadministrative innature.Theyinvolverewriting theT/Ss:"yarding ESFmanualactuations sothatthefunctions aremorci:curately portrayed inthedocument, orso Attachment 1toAEP:NRC:1030 Page7thatthedocumentisinternally consistent.
ChangeNo.3,involving theESFmanualcircuitry testingwillreducethefrequency oftheportioninvolving theSSPSfromonceeverymonthtoonceeveryothermonth.Thischangecorrectsaninconsistency inourT/Ssbetweentherequirements forthemanualcircuitry andtheSSPSrequirements whichwasrecognized andcorrected inlaterversionsoftheSTS.Ourreviewofthesurveillance testhistoryofthemonthlySSPStestshasshownthatthesystemishighlyreliable, andgivesusconfidence thatthechangeintestfrequency willnotendangerpublichealthandsafety.ChangeNo.4,tothemanualsteamlineisolation circuitry, providesinternalconsistency inourT/Ssbymakingtheactionrequirements forthemanualactuation circuitry consistent withtheassociated stopvalves.Thechangeisconsistent withtheSTS.Forthesereasons,itisourbeliefthattheproposedchangesdonotinvolveasignificant increaseintheprobability orconsequences ofapreviously evaluated
- accident, nordotheyinvolveasignificant reduction inamarginofsafety.Criterion 2Thechangeswillnotintroduce anynewmodesofplantoperation, norwillanyphysicalchangestotheplantberequired.
Thus,thechangesshouldnotcreatethepossibility of'anewordifferent kindofaccidentfromanyaccidentpreviously analyzedorevaluated.
Criterion 3SeeCriterion 1,above.Lastly,wenotethattheCommission hasprovidedguidanceconcerning thedetermination ofsignificant hazardsbyproviding certainexamples(48FR14870)ofamendments considered notlikelytoinvolvesignificant hazardsconsideration.
Thefirstoftheseexamplesreferstochangeswhichareadministrative innature:forexample,changestoachieveconsistency throughout theT/Ss,correction oferrors,orchangesinnomenclature.
ChangeNos.1,2and5areinthiscategoryinthattheyclarifytheT/Ssandmakethemmoreinternally consistent.
Thesixthexamplereferstochangeswhichmay".esultinsomeincreasetotheprobability orconsequences ofapreviously analyzedaccident, butwheretheresultsofthechangeareclearlywithinacceptable limits.ThisexampleisrelevanttochangeNos.3and4sincethechangesareconsistent withtheSTS.Basedonthediscussion above,weconcludethattheexampiescitedarerelevantandthatthechangesshouldnotrequiresignificant hazardsconsideration.
