ML17326A094
| ML17326A094 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 08/17/1999 |
| From: | AMERICAN ELECTRIC POWER CO., INC. |
| To: | |
| Shared Package | |
| ML17326A093 | List: |
| References | |
| NUDOCS 9908250195 | |
| Download: ML17326A094 (47) | |
Text
Attachment4toC0799-05Page1ATTACHMENT2TOC0799"05CURRENTPAGESMARKED-UPTOREFLECTPROPOSEDCHANGESTOUNIT1TECHNICALSPECIFICATIONSPageNumbers3/44-73/44-83/44-93/44-103/44-113/44-lla3/44-lib3/44-123/44-14B3/44-2aB3/44-2bB3/44-2cB3/44-3B3/44-59908250i95990817PDRADQCK0500035,5iPPDR)
II4
~i3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4.4REACTORCOOLANTSYSTEMSTEAMGENERATORSLIMITINGCONDITIONFOROPERATION3.4.5EachsteamgeneratorshallbeOPERABLE.APPLICABILITY:MODES1,2,3a!ld4.ACTION:Withoneormoresteamgeneratorsinoperable,restoretheinoperablegenerator(s)toOPERABLEstatuspriortoincreasingTavgabove200'F.SURVEILLANCEREUIREMENTS4.4.5.0EachsteamgeneratorshallbedemonstratedOPERABLEbyperformanceofthefollowingaugmentedinserviceinspectionprogramandtherequirementofSpecification4.0.5.4.4.5.1SteamGeneratorSamleSelectionandInsection-EachsteamgeneratorshallbedeterminedOPERABLEduringshutdownbyselectingandinspectingatleasttheminimumnumberofsteamgeneratorsspecifiedinTable4.4-1.4.4.5.2SteamGeneratorTubeSamleSelectionandInsection-Thesteamgeneratortubeminimumsamplesize,inspectionresultclassification,andthecorrespondingactionrequiredshallbeasspecifiedinTable4.4-2.TheinserviceinspectionofsteamgeneratortubesshallbeperformedatthefrequenciesspecifiedinSpecification4.4.5.3andtheinspectedtubesshallbeverifiedacceptablepertheacceptancecriteriaofSpecification4.4.5.4.t.Thetubesselectedforeachinserviceinspectionshallincludeatleast3%ofthetotalnumberoftubesinallsteamgenerators;thetubesselectedfortheseinspectionsshallbeselectedonarandombasisexcept:Whereexperienceinsimilarplantswithsimilarwaterchemistryindicatescriticalareastobeinspected,thenatleast50%ofthetubesinspectedshallbefromthesecriticalareas.b.Thefirstsampleoftubesselectedfor,eachinserviceinspection(subsequenttothepreserviceinspection)ofeachsteamgeneratorshallinclude:1.Alltubesthatpreviouslyhaddetectablewallpenetrations(greaterthanorequalto20%)thathavenotbeenplugged.ThisSpecificationdoesnotapplyinMode4whileperformingcreviceflushingaslongasLimitingConditionsforOperationforSpecification3.4.1.3aremaintained.COOKNUCLEARPLANT-UNIT1Page3/44-7AMENDMENT4M,446,%0,205 03/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4.4REACTORCOOLANTSYSTEMSURVEILLANCEREUIREMENTS(continued)Tubesinthoseareaswhereexperiencehasindicatedpotentialproblems.Atubeinspection(pursuanttoSpecification4.4.5.4.a.8)shallbeperformedoneachselectedtube.Ifanyselectedtubedoesnotpermitthepassageoftheeddycurrentprobeforatubeinspection,thisshallberecordedandanadjacenttubeshallbeselectedandsubjectedtoatubeinspection.Thetubesselectedasthesecondandthirdsamples(ifrequiredbyTable4.4-2)duringeachinserviceinspectionmaybesubjectedtoapartialtubeinspectionprovided:Thetubesselectedforthesamplesincludethetubesfromthoseareasofthetubesheetarraywheretubeswithimperfectionswerepreviouslyfound.Theinspectionsincludethoseportionsofthetubeswhereimperfectionswerepreviouslyfound.Theresultsofeachsampleinspectionshallbeclassifiedintooneofthefollowingthreecategories:Cat'egoOInsectionResultsC-1Lessthan5%ofthetotaltubesinspectedaredegradedtubesandnoneoftheinspectedtubesaredefective.C-2Oneormoretubes,butnotmorethan1%ofthetotaltubesinspectedaredefective,orbetween5%aiid10%ofthetotaltubesinspectedaredegradedtubes.C-3Morethan10%ofthetotaltubesinspectedaredegradedtubesormorethan1%oftheinspectedtubesaredefective.COOKNUCLEARPLANT-UNIT1Page3/44-8AMENDMENT48k,446,kV7,4-'78,%0,20$,215 l'EilFA' 3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS.3/4.4REACTORCOOLANTSYSTEMSURVEILLANCEREUIREMENTS(continued)Note:Inallinspections,previouslydegradedtubeser-8Ieeveemustexhibitsignificant(greaterthanorequalto10%)furtherwallpenetrationstobeincludedintheabovepercentagecalculations.4.4.5.3InstionFreuencies-Theaboverequiredinserviceinspectionsofsteamgeneratortubesshallbeperformedatthefollowingfrequencies:OY'ap)~+net,4o(s~~gueva4~s.Thcfirstinserviceinspectionshallerformedafter6EffectiveFullPowerMonthsutwithin24calendarmonthsofinitialcriticalitSubsequentinserviccinspectionsshallbeperformedatintervalsofnotlessthan12normorethan24calendarmonthsafterthepreviousinspection.IftwoconsecutiveinspectionsfollowingserviceunderAVTconditions,notincludingthepreserviceinspection,resultinallinspectionresultsfallingintotheC-1categoryoriftwoconsecutiveinspectionsdemonstratethatpreviouslyobserveddegradationhasnotcontinuedandnoadditionaldegradationhasoccurred,theinspectionintervalmaybeextendedtoamaximumofonceper40months.b.IftheresultsofinserviceinspectionofasteamgeneratorconductedinaccordancewithTable4.4-2at40monthintervalsfallinCategoryC-3,theinspectionfrequencyshallbeincreasedtoatleastonceper20months.TheincreaseininspectionfrequencyshallapplyuntilthesubsequentinspectionssatisfythecriteriaofSpecification4.4.5.3.a;theintervalmaythenbeextendedtoamaximum'ofoncepcr40months.IAdditional,unscheduledinserviceinspectionsshallbeperformedoneachsteamgeneratorinaccordancewiththefirstsampleinspectionspecifiedinTable4.4-2duringtheshutdown'ubsequenttoanyofthefollowingconditions:1.Primary-to-secondarytubesleaks(notincludingleaksoriginatingfromtube-to-tubeshcctwelds)inexcessofthelimitsofSpecification34.6.2.2.AseismicoccurrencegreaterthantheOperatingBasisEarthquake.3.Aloss-of-coolantaccidentrequiringactuationoftheengineeredsafeguards.4.Amainsteamlineorfeedwaterlinebreak.COOKNUCLEARPLANT-UNIT1Page3/44-9AMENDME<NT,98,466,200,205 ilIsCt~t~g~~v4lt I3/4LIMI'HNGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4.4REACTORCOOLANTSYSTEMSURVEILLANCEREUIREMENTS(continued)4.4.5.4AccetanceCriteriaAsusedinthisSpecificationeI'lmerfeclionmeansanexceptiontothedimensions,finishorcontourofatubeetaetaevtvfromthatrequiredbyfabricationdiawingsorspecifications.Eddy-currenttestingindicationsbelow20%ofthenominaltubewallthickness,ifdetectable,maybeconsideredasimperfections.3.~Deradationmeansaservice-inducedcracking,wastage,wearorgeneralcorrosionoccurringoneitherinsideoroutsideofatube,er-slaevs,DeradedTubeeMleevemeansanimperfectiongreaterthanorequalto20%ofthenominalwallthicknesscausedbydegradation.5.PercentDeradationmeanstheamountofthetubewallthicknessaffectedorremovedbydegradation.Pl~knsDefectmeansanimperfectionofsuchseveritythatitexceedsthe~limit.A~dt.t'oe+cu~hnggt.hda0cc-+LS6ckpe+ibd~.PluinLimitmeanstheimperfectiondepthatorbeyondwhichthetube~4ceved-tubsshallbe~alret~removedfromservice.Anytubewhich,uponinspection,exhibitstubewalldegradationof40percentormoreofthcnominaltubewallthicknessshallbeplugged~iairedpriortoreturningthesteamgeneratortoservice.Unserviceabledescribestheconditionofatubeer-sleeveifitleaksorcontainsadefectlargeenoughtoaffectitsstructuralintegrityintheeventofanOperatingBasisEarthquake,alosswf-coolantaccident,orastcamlincorfecdwaterlinebrcakasspecifiedin4.4.5.3.c,above.~lnsectiondeterminestheconditionofthesteamgeneratortube~evefromthepointofentry(hotlegside)completelyaroundtheU-bendtothetopsupportofthecoldleg.COOKNUCLEARPLANT-UNIT1Page3/44-10AMENDMENT98,45I;466,AVE;240,205
)yl1g~I
.3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4.4REACTORCOOLANTSYSTEMCOOKNUCLEARPLANT-UNIT1Page3/44-11AMENDMENT484,446,477,~,KO,A5,215 JIIIk 3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4.4REACTORCOOLANTSYSTEM/HURL(~~+)MALHURLURLLRLCOOKNUCLEARPLANT-UNIT1Page3/44-1laAMENDMENT215 1i~I Ih/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4.4REACTORCOOLANTSYSTEMSURVEILLANCEREUIREMENTS(continued)b.ThesteamgeneratorshallbedeterminedOPERABLEaftercompletingthecorrespondingactions(plugginge~eeviagalltubesexceedingthelimitandalltubescontainingthrough-wallcracks)requiredbyTable4.4-2.~"Q5COOKNUCLEARPLANT-UNIT1Page3/44-11bAMENDMENT~208215 III\)t'I~.a4 I~/II3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4.4REACTORCOOLANTSYSTEMSURVEILLANCEREUIREMENTS(continued)4.4.5.5~ReonsFollowingeachinserviceinspectionofsteamgeneratortubes,'eportedtotheCommissionwithin15days.b.ThecompleteresultsofthesteamgeneratortubeinserviceinspectionshallbeincludedintheAnnualOperatingReportfortheperiodinwhichthisinspectionwascompleted.Thisreportshallinclude:1.NumberandextentoftubeseacLsleeces.inspected.2.Locationandpercentofwall-thicknesspenetrationforeachindicationofanimperfection.3.Identificationoftubesplugged,~leeved-.C.ResultsofsteamgeneratortubeinspectionswhichfallintoCategoryC-3andrequirepromptnotificationoftheCommissionshallbereportedpursuanttoSpecification6.9.1priortoresumptionofplantoperation.Thewrittenfollowupofthisreportshallprovideadescriptionofinvestigationsconductedtodeterminecauseofthetubedegradationandcorrectivemeasurestakentopreventrecurrence.COOKNUCLEARPLANT-UNIT1Page3/44-12AMENDMENTQ6,446,477,%$,%0>%$,215
~Jsw'~+S~4"4STEAMGENERATORTUBEINSPECTITSINSPECTONNDSSEONSPECTIONSampleSi.zeResultActionRequiredResultActionRequiredResultActionRequiredAminimumofSTubesperS.G.C-1C-2C-3NonePlug~&cue.defectivetubesandinspectadditional2Stubesinthi.sS.G.InspectalltubesinthisS.G.,plug~~ua.defectivetubes,andinspect2StubesineachotherS.G.N/AC-1C-2C-3AllotherS.G.sareC-1N/ANonePluga~lao~defect,ivetubesandinspectadditional4StubesinthisS.G.PerformactionforC-3resultoffirstsampleNoneN/AN/AC-1C-2C-3N/AN/AN/ANonePlug~~ve-defectivetubesPerformactionforC-3resultoffirstsampleN/AN/fPromptnoti-ficationtoNRCpursuanttospecification6.9.1SomeS.G.sC-2butnoaddi,tionalS.G.areC-3AdditionalS.G.isC-3PerformactionforC-2resultofsecondsampleInspectalltubesineachS.G.andplug~~lee~defectivetubes.Promptnotifi.c-ationtoNRCpursuanttospecification6.9.1N/AN/AN/AN/AMnerestenumerorsteamgeneratorssteamgeneratorsinspectedduringaninspectionCOOKNUCLEARPLANT-UNIT13/44-14teunt,annstenumerozAMENDMENTNO.40,4541(
I.3/4BASES3/4.4REACTORCOOLANTSYSTEM/6/I'i3/4.4.5STEAMGENERATORSTUBEINTEGRITYTheSurveillanceRequirementsforinspectionofthesteamgeneratortubesensurethatthestructuralintegrityofthisportionoftheRCSwillbemaintained.TheprogramforinserviceinspectionofsteamgeneratortubesisbasedonamodificationofRegulatoryGuide1.83,Revision1.Inseiviceinspectionofsteamgeneratortubingisessentialinordertomaintainsurveillanceoftheconditionsofthetubesintheeventthatthereisevidenceofmechanicaldamageorprogressivedegradationduetodesign,manufacturingerrors,orinseiviceconditionsthatleadtocorrosion.Inserviceinspectionofsteamgeneratortubingalsoprovidesameansofcharacterizingthenatureandcauseofanytubedegradationsothatcorrectivemeasurescanbetaken.Theplantisexpectedtobeoperatedinamannersuchthatthesecondarycoolantwillbemaintainedwithinthosechemistrylimitsfoundtoresultinnegligiblecorrosionofthesteamgeneratortubes.Ifthesecondarycoolantchemistryisnotmaintainedwithintheseparameterlimits,localizedcorrosionmaylikelyresultinstresscorrosioncracking.Theextentofcrackingduringplantoperationwouldbelimitedbythelimitationofsteamgeneratortubeleakagebetweentheprimarycoolantsystemandthesecondarycoolantsystem.Theallowableprimaiy-to-secondaryleakrateis150gallonsperdaypersteamgenerator.ackshavingaprimary-to-secondaryleakagelessthanthislimitduringoperationwillhaveanadequatemarginofsafetytowithstandtheloadsimposedduringnormaloperationandbypostulatedaccidents.Leakageinexcessofthislimitwillrequireplantshutdownandaninspection,duringwhichtheleakingtubeswillbelocatedandpluggedw~aked.AsteamgeneratorwhileundergoingcreviceflushinginMode4isavailablefordecayheatremovalandisoperable/operatinguponreinstatementofauxiliaryormainfeedflowcontrolandsteamcontrol.whichisdefinedmSpecification4.4.5.4.a.thecapabilitytoreliablydetectdegradationthathaspenetrated20%oftheoriginaltubewallthickness.Wastage-typedefectsareunlikelywiththeallvolatiletreatment(AVT)ofsecondarycoolant.However,evenifadefectofsimilartypeshoulddevelopinservice,itwillbefoundduringscheduledinservicesteamgeneratortubeexaminations.Plugginger-6Ieeving;willberequiredforalltubeswithimperfectionsexceedingthe'imitSteamgeneratortubeinspectionsofoperatingplantshavedemonstratedCOOKNUCLEARPLANT-UNIT1PageB3/44-2aAMENDMENTQQ,484,446,XV',ZOO,215\
3/4BASES3/4.4REACTORCOOLANTSYSTEMNDECOOKNUCLEARPLANT-UNITIPageB3/44-2bAMENDMENT44',2I5 I$gI 3/4BASES~3/4.4REACTORCOOLANTSYSTEM3/4.4.5STEAMGENERATORSTUBEINTEGRITYContinuedWhenevertheresultsofanysteamgeneratortubinginserviceinspectionfallintoCategoryC-3,theseresultswillbepromptlyreportedtotheCommissionpursuanttoSpecification6.9.1priortoresumptionofplantoperation.SuchcaseswillbeconsideredbytheCommissiononacase-bywasebasisandmayresultinarequirementforanalysis,laboratoryexaminations,tests,additionaleddy-currentinspection,andrevisionoftheTechnicalSpecifications,ifnecessary.COOKNUCLEARPLANT-UNITIPageB3/44-2cAMENDMENTQg,~,446,%0,20$,215 I0ly~ItV'll~<'
as's3/4BASES3/4.4REACTORCOOLANTSYSTEMl~/~v3/4.4.6REACTORCOOLANTSYSTEMLEAKAGE3/4.4.6.1LEAKAGEDETECTIONSYSTEMSTheRCSleakagedetectionsystemsrequiredbythisspecificationareprovidedtomonitoranddetectleakagefromtheReactorCoolantPressureBoundary.ThesedetectionsystemsareconsistentwiththerecommendationsofRegulatoryGuide1.45,"ReactorCoolantPressureBoundaryLeakageDetectionSystems,"May1973.3/4.4.6.2OPERATIONALLEAKAGEIndustryexperiencehasshownthatwhilealimitedamountofleakageisexpectedfromtheRCS,theunidentifiedportionofthisleakagecanbereducedtoathresholdvalueoflessthan1gpm.Thisthresholdvalueissufficientlylowtoensureearlydetectionofadditionalleakage.The10GPMIDENTIFIEDLEAKAGElimitationsprovidesallowanceforalimitedamountofleakagefromknownsourceswhosepresencewillnotinterferewiththedetectionofUNIDENTIFIEDLEAKAGEbytheleakagedetectionsystems.ThelimitationonseallineresistanceensuresthattheseallineresistanceisgreaterthanorequaltotheresistanceassumedintheminimumsafeguardsLOCAanalysis.Thisanalysisassumesthatalloftheflowthatisdivertedfromiheboroninjectionlinetothesealinjectionlineisunavailableforcorecoolintsoernieiato.Maintaininganoperatingleakagelimitoii50gpdpersteamgenerator(600gpdtetwillmtntmtmtepotennforalargeleakageeventduringsteamlinebreakunderLOCAconditions.willensurethecalculatedoffsitedoseswillremainwithin10percent-ofthe10CFR100requirementsandthatcontrolroomhabitabilitycontinuestomeetGDC-19.Leakageintheintactloopsislimitedto150gpd.Also,the150gpdleakagelimitincorporatedintothisspecificationismorerestrictivethanthestandardoperatingleakagelimitandisintendedtoprovideanadditionalmargiHence,thereducedleakagelimit,whencombined.withaneffectiveleakratemonitoringprogram,providesadditionalassurancethatshouldasignificantleakbeexperiencedinservice,itwillbedetectedandtheplantshutdowninatimelymanner.PRESSUREBOUNDARYLEAKAGEofanymagnitudeisunacceptablesinceitmaybeindicativeofanimpendinggrossfailureofthepressureboundary.ShouldPRESSUREBOUNDARYLEAKAGEoccurthroughacomponentwhichcanbeisolatedfromthebalanceoftheReactorCoolantSystem,plantoperationmaycontinueprovidedtheleakingcomponentispromptlyisolatedfromtheReactorCoolantSystemsinceisolationremovesthesourceofpotentialfailure.COOKNUCLEARPLANT-UNITIPageB3/44-3AMENDMENT$3,N,454.,~,%0,215 I'h0IlleIM IIIklh3/4BASES3/4.4REACTORCOOLANTSYSTEMI4/JV3/4.4.8SPECIFICACTIVITYThelimitationsonthespecificactivityoftheprimarycoolantensurethattheresulting2hourdosesatthesiteboundarywillnotexceedanappropriatelysmallfractionofPart100limitsfollowingasteamgeneratortuberuptureaccidentinconjunctionwithanassumedsteadystateprimaiy-to-secondarysteamgeneratorleakagerateof1.0GPM.ThevaluesforthelimitsonspecificactivityrepresentinterimlimitsbaseduponaparametricevaluationbytheNRCoftypicalsitelocations.ThesevaluesareconservativeinthatspecificsiteparametersoftheCookNuclearPlantsite,suchassiteboundarylocationandmeteorologicalconditions,werenotconsideredinthisevaluation.TheNRCisfinalizingsitespecificcriteriawhichwillbeusedasthebasisforthereevaluationofthespecificactivitylimitsofthissite.Thisreevaluationmayresultinhigherlimits.ReducingT,~tolessthan500'Fpreventsthereleaseofactivityshouldasteamgeneratortuberupturesincethesaturationpressureoftheprimarycoolantisbelowtheliftpressureoftheatmosphericsteamreliefvalves.Thesurveillancerequirementsprovideadequateassurancethatexcessivespecificactivitylevelsintheprimarycoolantwillbedetectedinsufficienttimetotakecorrectiveaction.Informationobtainedoniodinespikingwillbeusedtoassesstheparametersassociatedwithspikingphenomena.Areductioninfrequencyofisotopicanalysesfollowingpowerchangesmaybepermissibleifjustifiedbythedataobtained.COOKNUCLEARPLANT-UNITIPageB3/44-5AMENDMENT445,466,200 Attachment4toC0799-05Page1ATTACHMENT3TOC0799-05PROPOSEDCHANGESTOUNIT1TECHNICALSPECIFICATIONSPageNumbers3/44-73/44-83/44-93/44-103/44-113/44-123/44-14B3/44-2aB3/44-3B3/44-5 1lII I3/4LIMH'INGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS~3/4.4REACTORCOOLANTSYSTE<MSTEAMGENERATORSLIMITINGCONDITIONFOROPERATION3.4.5EachsteamgeneratorshallbeOPERABLE.APPLICABILITY:MODES1,2,3and4.ACTION:Withoneormorestcamgeneratorsinoperable,restoretheinoperablegenerator(s)toOPERABLEstatuspriortoincreasingT,~above200'F.SURVEILLANCEREUIREMENTS4.4.5.0EachsteamgeneratorshallbedemonstratedOPERABLEbyperformanceofthefollowingaugmentedinserviceinspectionprogramandtherequirementofSpecification4.0.5.4.4.5.1SteamGeneratorSamleSelectionandInstion-EachsteamgeneratorshallbedeterminedOPERABLEduringshutdownbyselectingandinspectingatleasttheminimumnumberofsteamgeneratorsspecifiedinTable4.4-1.4.4.5.2SteamGeneratorTubeSamleSelectionandInsction-Thesteamgeneratortubeminimumsamplesize,inspectionresultclassification,andthecorrespondingactionrequiredshallbeasspecifiedin.Table4.4-2.TheinserviceinspectionofsteamgeneratortubesshallbeperformedatthefrequenciesspecifiedinSpecification4.4.5.3andtheinspectedtubesshallbeverifiedacceptablepertheacceptancecriteriaofSpecification4.4.5.4.ThetubesselectedforeachIinserviceinspectionshallincludeatleast3%ofthetotalnumberoftubesinallsteamgenerators;thetubesselectedfortheseinspectionsshallbeselectedonarandombasisexcept:Whereexperienceinsimilarplantswithsimilarwaterchemistryindicatescriticalareastobeinspected,thenatleast50%ofthetubesinspectedshallbcfromthesecriticalareas.b.Thefirstsampleoftubesselectedforeachinserviceinspection(subsequenttothepreserviceinspection)ofeachsteamgeneratorshallinclude:1.Alltubesthatpreviouslyhaddetectablewallpenetrations(greaterthanorequalto20%)thathavenotbeenplugged..ThisSpecificationdoesnotapplyinMode4whileperformingcreviceflushingaslongasLimitingConditionsforOperationforSpecification3.4.1.3aremaintained.COOK'NUCLEARPLANT-UNIT1Page3/44-7AMENDMENT403,466,$$,%5 lflIihe>>lk<l>4"la't~~4II'~I4,4lJlJ CI~3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS>3/4.4REACTORCOOLANTSYSTEMSURVEILLANCEREUIREMENTS(continued)2.Tubesinthoseareaswhereexperiencehasindicatedpotentialproblems.Atubeinspection(pursuanttoSpecification4.4.5.4.a.8)shallbeperformedoneachselectedtube.Ifanyselectedtubedoesnotpermitthepassageoftheeddycurrentprobeforatubeinspection,thisshallberecordedandanadjacenttubeshallbeselectedandsubjectedtoatubeinspection.IThetubesselectedasthesecondandthirdsamples(ifrequiredbyTable4.4-2)duringeachinserviceinspectionmaybesubjectedtoapartialtubeinspectionprovided:1.Thetubesselectedforthesamplesincludethetubesfromthoseareasofthetubesheetarraywheretubeswithimperfectionswerepreviouslyfound.2.Theinspectionsincludethoseportionsofthetubeswhere,imperfectionswerepreviouslyfound.Theresultsofeachsampleinspectionshallbeclassifiedintooneofthefollowingthreecategories:CategoOInsctionResultsC-1Lessthan5%ofthetotaltubesinspectedaredegradedtubesandnoneoftheinspectedtubesaredefective.C-2Oneormoretubes,butnotmorethan1%ofthetotaltubesinspectedaredefective,orbetween5%and10%ofthetotaltubesinspectedaredegradedtubes.C-3Morethan10%ofthetotaltubesinspectedaredegradedtubesormorethan1%oftheinspectedtubesaredefective.COOKNUCLEARPLANT-UNITIPage3/44-8AMENDMENTS,466,%VV,4V8, 1~It/11a11I1N~1tIIg(IA~1'l~4~1~,1~>111<I11)~lcttI>>
I3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS.i3/4.4REACTORCOOLANTSYSTEMSURVEILLANCEREUIREMENTS(continued)Note:Inallinspections,previouslydegradedtubesmustexhibitsignificant(greaterthanorequalto10%)furtherwallpenetrationstobeincludedintheabovepercentagecalculations.4.4.5.3InsctionFreuencies-Theaboverequiredinserviceinspectionsofsteamgeneratortubesshallbeperformedatthefollowingfrequencies:b.Thefirstinserviceinspectionshallbeperformedafter6EffectiveFullPowerMonthsbutwithin24calendarmonthsofinitialcriticalityorreplacementofsteamgenerators.Subsequentinserviceinspectionsshallbeperformedatintervalsofnotlessthan12normorethan24calendarmonthsafterthepreviousinspection.IftwoconsecutiveinspectionsfollowingserviceunderAVTconditions,notincludingthepreserviceinspection,resultinallinspectionresultsfallingintotheC-1categoryoriftwoconsecutiveinspectionsdemonstratethatpreviouslyobserveddegradationhasnotcontinuedandnoadditionaldegradationhasoccurred,theinspectionintervalmaybeextendedtoamaximumofonceper40months.IftheresultsofinserviceinspectionofasteamgeneratorconductedinaccordancewithTable4.4-2at40monthintervalsfallinCategoryC-3,theinspectionfrequencyshallbeincreasedtoatleastonceper20months.TheincreaseininspectionfrequencyshallapplyuntilthesubsequentinspectionssatisfythecriteriaofSpecification4.4.5.3.a;theintervalmaythenbeextendedtoamaximumofonceper40months.C.Additional,unscheduledinserviceinspectionsshallbeperformedoneachsteamgeneratorinaccordancewiththefirstsampleinspectionspecifiedinTable4.4-2duringtheshutdownsubsequenttoanyofthefollowingconditions:Primary-to-secondarytubesleaks(notincludingleaksoriginatingfromtube-to-tubesheetwelds)inexcessofthelimitsofSpecification3.4.6.2.AseismicoccurrencegreaterthantheOperatingBasisEarthquake.Alosswf~lantaccidentrequiringactuationoftheengineeredsafeguards.Amainsteamlineorfeedwaterlinebreak.COOKNUCLEARPLANT-UNITIPage3/44-9AMENDMENT98,466,200i285 III~gNl'Cgt'hel,~I~44~0~8N s3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4.4REACTORCOOLANTSYSTEMSURVEILLANCEREUIREMENTS(continued)4.4.5.4AccetanceCriteriaaeAsusedinthisSpecification:~lmrfectionmeansanexceptiontothedimensions,finishorcontourofatubefromthatrequiredbyfabricationdrawingsorspecifications.Eddy-currenttestingindicationsbelow20%ofthenominaltubewallthickness,ifdetectable,maybeconsideredasimperfections.~Deradationmasmaservice-inducedcracking,wastage,wearorgeneralcorrosionoccurringoneitherinsideoroutsideofatube.Ithicknesscausedbydegradation.4.PercentDeradationmeanstheamountofthetubewallthicknessaffectedorremovedbydegradation.g.Defectmeansanimperfectionofsuchseveritythatitexceedstheplugginglimit.Atubecontainingadefectisdefective.removedfromservice.Anytubewhich,uponinspection,exhibitstubewalldegradationof40percentormoreofthenominaltubewallthicknessshallbepluggedpriortoreturningthesteamgeneratortoservice.UnserviceabledescribestheconditionofatubeifitleaksorcontainsadefectlargeenoughitoaffectitsstructuralintegrityintheeventofanOperatingBasisEarthquake,aloss-of-coolantaccident,orasteamlineorfeedwaterlinebreakasspecifiedin4.4.5.3.c,above.~tnsctiondeterminestheconditionofthesteamgeneratortubefromthepointofentry(hotlegside)completelyaroundtheU-bendtothetopsupportofthecoldleg.COOKNUCLEARPLANT-UNIT1Page3/44-10AMENDMENT98,45k,466k 3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTSo3/4.4REACTORCOOLANTSYSTEMb.ThesteamgeneratorshallbedeterminedOPERABLEaftercompletingthecorrespondingactions(pluggingalltubesexceedingtheplugginglimitandalltubescontainingthrough-wallcracks)requiredbyTable4.4-2.COOKNUCLEARPLANT-UNlT1Page3/44-11AMENDMENT45k)466)%VV)4V8)200)205)K5 I1gi11pp g3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS>3/4.4REACTORCOOLANTSYSTEMSURVEILLANCEREUIREMENTS(continued)4.4.5.5~ReortsFollowingeachinserviceinspectionofsteamgeneratortubes,thenumberoftubespluggedineachsteamgeneratorshallbereportedtotheCommissionwithin15days.ThecompleteresultsofthesteamgeneratortubeinserviceinspectionshallbeincludedintheAnnualOperatingReportfortheperio'dinwhichthisinspectionwascompleted.Thisreportshallinclude:1.Numberandextentoftubesinspected.2.Locationandpercentofwall-thicknesspenetrationforeachindicationofanimperfection.3.Identificationoftubesplugged.ResultsofsteamgeneratortubeinspectionswhichfallintoCategoryC-3andrequirepromptnotificationoftheCommissionshallbereportedpursuanttoSpecification6.9.1priortoresumptionofplantoperation.Thewrittenfollowupofthisreportshallprovideadescriptionofinvestigationsconductedtodetermine,causeofthetubedegradationandcorrectivemeasurestakentopreventrecurrence.COOKNUCLEARPLANT-UNIT1Page3/44-12AMENDMENT483,466,%VV,4V8, gV8~i(Whlw'%>~ll1,~<rSOIVk~
0OISTSAMPLEINSPECHONTABLE4.4-2SrEAMGENERATORTUBEINSPECrlON2NDSAMPLEINSPECTION3RDSAMPLEINSPECTIONSampleSizeAminimumofSTubesperS.G.ResultC-1C-2ActionRequiredNonePlugdefectivetubesandinspectadditional2StubesinthisS.G.ResultN/AC-1C-2ActionRequiredN/ANonePlugdefectivetubesandinspectadditional4StubesinthisS.G.ResultN/AN/AC-1NoneActionRequiredN/AN/AC-3InspectalltubesinthisS.G.,plugdefectivetubes,andinspect2StubesineachotherS.G.C-3AllotherS.G.sareC-1PerformactionforC-3resultoffirstsampleNoneC-2C-3N/AN/APlugdefectivetubesPerformactionforC-3resultoffirstsampleN/AN/APromptnotificationtoNRCpursuanttospecification6.9.1SomeS.G.sC-2butnoadditionalS.G.sareC-3AdditionalS.G.isC-3PerformactionforC-2resultofsecondsampleInspectalltubesineachS.G.andplugdefectivetubes.PromptnotificationtoNRCpursuanttospecification6.9.1N/AN/AN/AN/AS=3(N/n)%Nisthenumberofsteamgeneratorsintheunit,andnisthenumberofsteamgeneratorsinspectedduringaninspection.
g~fL'Al)p4'Le 3/4BASES3/4.4REACTORCOOLANTSYSTEM3/4.4.5STEAMGENERATORSTUBEINTEGRITYTheSurveillanceRequirementsforinspectionofthesteamgeneratortubesensurethatthestructuralintegrityofthisportionoftheRCSwillbemaintained.TheprogramforinserviceinspectionofsteamgeneratortubesisbasedonamodificationofRegulatoryGuide1.83,Revision1.Inserviceinspectionofsteamgeneratortubingisessentialinordertomaintainsurveillanceoftheconditionsofthetubesintheeventthatthereisevidenceofmechanicaldamageorprogressivedegradationduetodesign,manufacturingerrors,orinserviceconditionsthatleadtocorrosion.Inserviceinspectionofsteamgeneratortubingalsoprovidesameansofcharacterizingthenatureandcauseofanytubedegradationsothatcorrectivemeasurescanbetaken.Theplantisexpectedtobeoperatedinamannersuchthatthesecondarycoolantwillbemaintainedwithinthosechemistrylimitsfoundtoresultinnegligiblecorrosionofthesteamgeneratortubes.Ifthesecondarycoolantchemistryisnotmaintainedwithintheseparameterlimits,localizedcorrosionmaylikelyresultinstresscorrosioncracking.Theextentofcrackingduringplantoperationwouldbelimitedbythelimitation,ofsteamgeneratortubeleakagebetweentheprimarycoolantsystemandthesecondarycoolantsystem.Theallowableprimary-to-secondaryleakrateis150gallonsperdaypersteamgenerator.Crackshavingaprimary-to-secondaryleakagelessthanthislimitduringoperationwillhaveanadequatemarginofsafetytowithstandtheloadsimposedduringnormaloperationandbypostulatedaccidents.Leakageinexcessofthislimitwillrequireplantshutdownandaninspection,duringwhichtheleakingtubeswillbelocatedandplugged.AsteamgeneratorwhileundergoingcreviceflushinginMode4isavailablefordecayheatremovalandisoperable/operatinguponreinstatementofauxiliaryormainfeedfiowcontrolandsteamcontrol.Wastage-typedefectsareunlikelywiththeallvolatiletreatment(AVT)ofsecondarycoolant.However,evenifadefectofsimilartypeshoulddevelopinservice,itwillbefoundduringscheduledinservicesteamgeneratortubeexaminations.PluggingwillberequiredforalltubeswithimperfectionsexceedingtheplugginglimitwhichisdefinedinSpecification4.4.5.4.a.6.Steamgeneratortubeinspectionsofoperatingplantshavedemonstratedthecapabilitytoreliablydetectdegradationthathaspenetrated20%oftheoriginaltubewallthickness.WhenevertheresultsofanysteamgeneratortubinginserviceinspectionfallintoCategoryC-3,theseresultswillbepromptlyreportedtotheCommissionpursuanttoSpecification6.9.1priortoresumptionofplantoperation.SuchcaseswillbeconsideredbytheCommissiononacase-blasebasisandmayresultinarequirementforanalysis,laboratoryexaminations,tests,additionaleddywurrentinspection,andrevisionoftheTechnicalSpecifications,ifnecessary.COOKNUCLEARPLANT-UNIT1PageB3/44-2aAMENDMENT403,45k,466 I~hl)T'VC"IIWe~lg4<<
n3/4BASES--t3/4.4REACTORCOOLANTSYSTEM3/4.4.6REACTORCOOLANTSYSTEMLEAKAGE3/4.4.6.1LEAKAGEDETECTIONSYSTEMSTheRCSleakagedetectionsystemsrequiredbythisspecificationareprovidedtomonitoranddetectleakagefromtheReactorCoolantPressureBoundary.ThesedetectionsystemsareconsistentwiththerecommendationsofRegulatoryGuide1.45,"ReactorCoolantPressureBoundaryLeakageDetectionSystems,"May1973.3/4.4.6.2OPERATIONALLEAKAGEIndustryexperiencehasshownthatwhilealimitedamountofleakageisexpectedfromtheRCS,theunidentifiedportionofthisleakagecanbereducedtoathresholdvalueoflessthan1gpm.Thisthresholdvalueissufficientlylowtoensureearly-detectionofadditionalleakage.The10GPMIDENTIFIEDLEAKAGElimitationsprovides:allowanceforalimitedamount'ofleakagefromknownsourceswhosepresencewillnotinterferewiththedetectionofUNIDENTIFIEDLEAKAGEbytheleakagedetectionsystems.Thelimitationonseallineresistanceensuresthattheseallineresistanceisgreaterthanorequalto.theresistanceassumedintheminimumsafeguardsLOCAanalysis.Thisanalysisassumesthatalloftheflowthatisdivertedfromtheboroninjectionlinetothesealinjectionlineisunavailableforcorecooling.'Maintaininganoperatingleakagelimitof150gpd.persteamgenerator(600gpdtotal)willminimizethepotentialforalargeleakageeventduringsteamlinebreakunderLOCAconditions.Thisoperatingleakagelimitwillensurethecalculatedoffsitedoseswillremainwithin10percentofthe10CFR100requirementsandthatcontrolroomhabitabilitycontinuestomeetGDC-19.Leakageintheintactloopsislimitedto150gpd.Also,the150gpdleakagelimitincorporatedintothisspecificationismorerestrictivethanthestandardoperatingleakagelimitandisintendedtoprovideanadditionalmargin.Hence,thereducedleakagelimit,.whencombinedwithaneffectiveleakratemonitoringprogram,providesadditionalassurancethatshouldasignificantleakbeexperiencedinservice,itwillbedetectedandtheplantshutdowninatimelymanner.PRESSUREBOUNDARYLEAKAGEofanymagnitudeisunacceptablesinceitmaybeindicativeofanimpendinggrossfailureofthepressureboundary.ShouldPRESSUREBOUNDARYLEAKAGEoccurthroughacomponentwhichcanbeisolatedfromthebalanceoftheReactorCoolantSystem,plantoperationmaycontinueprovidedtheleakingcomponentispromptlyisolatedfromtheReactorCoolantSystemsince.isolation.removesthesourceofpotentialfailure.COOKNUCLEARPLANT-UNITIPageB3/44-3AMENDMENT53,63,45%,463,8$,K&
c~9'81l~'kY~gpC4,."PjcIaiIl,iI"i<'IV.Kri~I%'f/r~!4.'
3/4BASES3/4.4REACTORCOOLANTSYSTEM3/4.4.8SPECIFICACTIVITYThelimitationsonthespecificactivityoftheprimarycoolantensurethattheresulting2hourdosesatthesiteboundarywillnotexceedanappropriatelysmallfractionofPart100limitsfollowingasteamgeneratortuberuptureaccidentinconjunctionwithanassumedsteadystateprimary-to-secondarysteamgeneratorleakagerateof1.0GPM.ThevaluesforthelimitsonspecificactivityrepresentinterimlimitsbaseduponaparametricevaluationbytheNRCoftypicalsitelocations.Thesevaluesareconservativeinthatspecificsiteparametersofthe'CookNuclear,Plantsite,-suchassiteboundarylocationandmeteorologicalconditions,werenotconsideredinthisevaluation.TheNRCisfinalizingsitespecificcriteriawhichwillbeusedasthebasisforthereevaluationofthespecificactivitylimitsofthis'site.Thisreevaluationmayresultinhigherlimits.ReducingT,~tolessthan500'Fpreventsthereleaseofactivityshouldasteamgeneratortuberupturesincethesaturationpressureoftheprimarycoolantisbelowtheliftpressureoftheatmosphericsteamreliefvalves.Thesurveillancerequirementsprovideadequateassurancethatexcessive'specificactivitylevelsintheprimlycoolantwillbedetectedinsufficienttimetotakecorrectiveaction.Informationobtainedoniodinespikingwill,beusedtoassesstheparametersassociatedwithspikingphenomena.Areduction:infrequencyofisotopicanalyses,followingpowerchangesmaybepermissibleifjustifiedbythedataobtained.COOKNUCLEARPLANT-UNITIPageB3/44-5AMENDMENT443,466,8$
jk$a,P:<<,'l'idal;k~>q1.Q't~~'itNAll~~Al~g Attachment4toC0799-05Page1ATTACHMENT4TOC0799-05ENVIRONMENTALASSESSMENTTheLicenseehasevaluatedthislicenseamendmentrequestagainstthecriteriaforidentificationoflicensingandregulatoryactionsrequiringenvironmentalassessmentinaccordancewith10CFR51.21.TheLicenseehasdeterminedthatthislicenseamendmentrequestmeetsthecriteriaforacategoricalexclusionsetforthin10CFR51.22(c)(9).Thischangeisbeingproposedasanamendmenttoalicenseissuedpursuantto10CFR50thatchangesarequirementwithrespecttoinstallationoruseofafacilitycomponentlocatedwithintherestrictedarea,asdefinedin10CFR20,orthatchangesaninspectionorasurveillancerequirement,andtheamendmentmeetsthefollowingspecificcriteria.(i)Theamendmentinvolvesnosignificanthazardsconsideration.Asdemonstratedinattachment1,thisproposedamendmentdoesnotinvolveanysignificanthazardsconsideration.(ii)Thereisnosignificantchangeinthetypesorsignificantincreaseintheamountsofanyeffluentthatmaybereleasedoffsite.Asdocumentedinattachment1,therewillbenosignificantchangeinthetypesorsignificantincreaseintheamountsofanyeffluentsreleasedoffsite.(iii)Thereisnosignificantincreaseinindividualorcumulativeoccupationalradiationexposure.Therewillbenochangeinthelevelofcontrolsormethodologyusedforprocessingofradioactiveeffluentsorhandlingofsolidradioactivewaste,noristheproposalanticipatedtoresultinanychangeinthenormalradiationlevelswithintheplant.Therefore,therewillbenoincreaseinindividualorcumulativeoccupationalradiationexposureresultingfromthischange.