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functionaltesting,additionalsamplingisrequiredduetofailureofonlyonetypeofsnubber,thefunctionaltestingresultsshallbereviewedatthattimetodetermineifadditionalsamplesshouldbelimitedtothetypeofsnubberwhichhasfailedthefunctionaltesting.SteamGeneratorsnubbersareexcludedfromthefunctionaltestingrequirements.d.FunctionalTestAccetanceCriteriaThesnubberfunctionaltestshallverifythat:1)Activation(restrainingaction)isachievedwithinthespecifiedrangeinbothtensionandcompression;2)Snubberbleed,orreleaseratewhererequired,ispresentinbothtensionandcompression,withinthespecifiedrange;3)Whererequired,theforcerequiredtoinitiateormaintainmotionofthesnubberiswithinthespecifiedrangeinbothdirectionsoftravel;and4)Forsnubbersspecificallyrequirednot,todisplaceundercontinuousload,theabilityofthesnubbertowithstandloadwithoutdisplacementisverified.TestingmethodsmaybeusedtomeasureparametersindirectlyorparametersotherthanthosespecifiedI4.14-4Proposed rII,nPIl41' ifthoseresultscanbecorrelatedtothespecifiedparametersthroughestablishedmethods.e.FunctionalTestFailureAnalsisAnanalysisshallbemadeofeachfailuretomeetthefunctionaltestacceptancecriteriatodeterminethecauseofthefailure.Theresultsofthisanalysisshallbeused,ifapplicable,inselectingsnubberstobetestedinanefforttodeterminetheoperabilityofothersnubbers,irrespectiveoftype,whichmaybesubjecttothesamefailuremode.Forthespecificcaseofasnubberselectedforfunctionaltestingwhicheitherfailstoactivateorfailstomove,i.e.,frozen-in-place,thecausewillbeevaluatedand,ifcausedbymanufacturerordesigndeficiency,allsnubbersofthesametypesubjecttothesamedefectshallbeevaluatedinamannertoensuretheiroperability.This'testingrequirementshallbeindependentoftherequirementsstatedinSpecification4.14.1.cforsnubbersnot.meetingthefunctionaltestacceptancecriteria.Foranysnubbersfoundinoperable,anengineeringevaluationshallbeperformedonthecomponentstowhichtheinoperablesnubbersareattached.Thepurposeofthisengineeringevaluationshallbetodetermineifthecomponentstowhichtheinoperable4.14-5Proposed snubbersareattachedwereadverselyaffectedbytheinoperabilityofthesnubbersinordertoensurethatthecomponentremainscapableofmeetingthedesignedservice.f.SnubberSealServiceLifeNonitorinThesealservicelifeofhydraulicsnubbersshallbemonitoredandseals.replacedasrequiredtoensurethattheservicelifeisnotexceededbet-ween:surveillanceinspectionsduringaperiodwhenthesnubberisrequiredtobeoperable.Thesealreplacementsshallbedocumentedandthedocumenta-tionshallberetainedinaccordance,withTechnicalSpecification6.10.2.Basis:LISnubbersareprovidedtoensurethatthestructuralintegrityofthereactorcoolantsystemandallothersafetyrelatedsystemsismaintainedduringandfollowingaseismicorothereventinitiatingdynamicloads.Thevisualinspectionfrequencyisbaseduponmaintainingaconstant,levelofsnubberprotectiontosystems.Therefore,therequiredinspectionintervalvariesinverselywiththenumberofinoperablesnubbersfoundduringaninspection.Inspectionsperformedbeforethatintervalhaselapsedmaybeusedasanewreferencepointtodeterminethenextinspection..However,theresultsofsuchearlyinspectionsperformed'beforethel'riginal,requiredtimeintervalhaselapsed(nominal,Iki4.14-6Proposed timeless25%)maynotbeusedtolengthentherequiredinspectioninterval.Anyinspectionwhoseresultsrequireashorterinspectionintervalwilloverridetheprevi.'ousschedule.Whenthecauseoftherejectionofasnubberisclearlyestablishedandremediedforthatsnubberandforanyothersnubbersthatmaybegenericallysusceptible,andverifiedbyinservicefunctionaltesting,that,snubbermaybeexemptedfrombeingcountedasinoperable.GenericallysusceptiblesnubbersarethosewhichareofaspecificmakeormodelandhavethesamedesignLfeaturesdirectlyrelated'tothesnubberrejectedorarethosewhichare-similarlylocatedorexposedtothesameenvironmentalconditionssuchastemperature,.radiation,andvibration.Whenasnubberisfoundinoperable,anengineeringevaluationofthesupportedcomponentisperformedinordertodetermineifanysafety-relatedcomponentorsystemhasbeenadverselyaffectedbytheinoperabilityofthesnubber.Thisevaluationisinadditiontothedeterminationofthesnubbermodeoffailure.Theengineeringevaluationshalldeterminewhetherornotthesnubberfailurehasimpartedasignificanteffectonorcauseddegradationofthesupportedcomponentorsystem.4.14-7Proposed Toprovideassuranceofsnubberfunctionalreliability,arepresentativesampleoftheinstalledsnubberswillbefunctionallytestingduringplantshutdownsat18,monthintervals.Observedfailuresofthesesamplesnubbersshallrequirefunctionaltestingofadditionalunits.Hydraulicsnubbersandmechanicalsnubbersmayeachbetreatedasadifferententityfortheabovesurveillanceprograms.The,servicelifeofasnubberisevaluatedviamanufacturerinputandengineeringinformationthroughconsiderationofthesnubberserviceconditionsandfunctionaldesignrequirements.Theonlysnubbercomponentswithservicelivesnotexpectedtoexceedplantlifearesealsando-ringsfabricatedfromcertainsealmaterials.Therefore,asealreplacementprogramisrequiredtomonitorsnubbersealando-ringservicelifetoassuresnubberoperabilityisnotdegradedduetoexceedingcomponentservicelife.4.14-8,Proposed | functionaltesting,additionalsamplingisrequiredduetofailureofonlyonetypeofsnubber,thefunctionaltestingresultsshallbereviewedatthattimetodetermineifadditionalsamplesshouldbelimitedtothetypeofsnubberwhichhasfailedthefunctionaltesting.SteamGeneratorsnubbersareexcludedfromthefunctionaltestingrequirements.d.FunctionalTestAccetanceCriteriaThesnubberfunctionaltestshallverifythat:1)Activation(restrainingaction)isachievedwithinthespecifiedrangeinbothtensionandcompression;2)Snubberbleed,orreleaseratewhererequired,ispresentinbothtensionandcompression,withinthespecifiedrange;3)Whererequired,theforcerequiredtoinitiateormaintainmotionofthesnubberiswithinthespecifiedrangeinbothdirectionsoftravel;and4)Forsnubbersspecificallyrequirednot,todisplaceundercontinuousload,theabilityofthesnubbertowithstandloadwithoutdisplacementisverified.TestingmethodsmaybeusedtomeasureparametersindirectlyorparametersotherthanthosespecifiedI4.14-4Proposed rII,nPIl41' ifthoseresultscanbecorrelatedtothespecifiedparametersthroughestablishedmethods.e.FunctionalTestFailureAnalsisAnanalysisshallbemadeofeachfailuretomeetthefunctionaltestacceptancecriteriatodeterminethecauseofthefailure.Theresultsofthisanalysisshallbeused,ifapplicable,inselectingsnubberstobetestedinanefforttodeterminetheoperabilityofothersnubbers,irrespectiveoftype,whichmaybesubjecttothesamefailuremode.Forthespecificcaseofasnubberselectedforfunctionaltestingwhicheitherfailstoactivateorfailstomove,i.e.,frozen-in-place,thecausewillbeevaluatedand,ifcausedbymanufacturerordesigndeficiency,allsnubbersofthesametypesubjecttothesamedefectshallbeevaluatedinamannertoensuretheiroperability.This'testingrequirementshallbeindependentoftherequirementsstatedinSpecification4.14.1.cforsnubbersnot.meetingthefunctionaltestacceptancecriteria.Foranysnubbersfoundinoperable,anengineeringevaluationshallbeperformedonthecomponentstowhichtheinoperablesnubbersareattached.Thepurposeofthisengineeringevaluationshallbetodetermineifthecomponentstowhichtheinoperable4.14-5Proposed snubbersareattachedwereadverselyaffectedbytheinoperabilityofthesnubbersinordertoensurethatthecomponentremainscapableofmeetingthedesignedservice.f.SnubberSealServiceLifeNonitorinThesealservicelifeofhydraulicsnubbersshallbemonitoredandseals.replacedasrequiredtoensurethattheservicelifeisnotexceededbet-ween:surveillanceinspectionsduringaperiodwhenthesnubberisrequiredtobeoperable.Thesealreplacementsshallbedocumentedandthedocumenta-tionshallberetainedinaccordance,withTechnicalSpecification6.10.2.Basis:LISnubbersareprovidedtoensurethatthestructuralintegrityofthereactorcoolantsystemandallothersafetyrelatedsystemsismaintainedduringandfollowingaseismicorothereventinitiatingdynamicloads.Thevisualinspectionfrequencyisbaseduponmaintainingaconstant,levelofsnubberprotectiontosystems.Therefore,therequiredinspectionintervalvariesinverselywiththenumberofinoperablesnubbersfoundduringaninspection.Inspectionsperformedbeforethatintervalhaselapsedmaybeusedasanewreferencepointtodeterminethenextinspection..However,theresultsofsuchearlyinspectionsperformed'beforethel'riginal,requiredtimeintervalhaselapsed(nominal,Iki4.14-6Proposed timeless25%)maynotbeusedtolengthentherequiredinspectioninterval.Anyinspectionwhoseresultsrequireashorterinspectionintervalwilloverridetheprevi.'ousschedule.Whenthecauseoftherejectionofasnubberisclearlyestablishedandremediedforthatsnubberandforanyothersnubbersthatmaybegenericallysusceptible,andverifiedbyinservicefunctionaltesting,that,snubbermaybeexemptedfrombeingcountedasinoperable.GenericallysusceptiblesnubbersarethosewhichareofaspecificmakeormodelandhavethesamedesignLfeaturesdirectlyrelated'tothesnubberrejectedorarethosewhichare-similarlylocatedorexposedtothesameenvironmentalconditionssuchastemperature,.radiation,andvibration.Whenasnubberisfoundinoperable,anengineeringevaluationofthesupportedcomponentisperformedinordertodetermineifanysafety-relatedcomponentorsystemhasbeenadverselyaffectedbytheinoperabilityofthesnubber.Thisevaluationisinadditiontothedeterminationofthesnubbermodeoffailure.Theengineeringevaluationshalldeterminewhetherornotthesnubberfailurehasimpartedasignificanteffectonorcauseddegradationofthesupportedcomponentorsystem.4.14-7Proposed Toprovideassuranceofsnubberfunctionalreliability,arepresentativesampleoftheinstalledsnubberswillbefunctionallytestingduringplantshutdownsat18,monthintervals.Observedfailuresofthesesamplesnubbersshallrequirefunctionaltestingofadditionalunits.Hydraulicsnubbersandmechanicalsnubbersmayeachbetreatedasadifferententityfortheabovesurveillanceprograms.The,servicelifeofasnubberisevaluatedviamanufacturerinputandengineeringinformationthroughconsiderationofthesnubberserviceconditionsandfunctionaldesignrequirements.Theonlysnubbercomponentswithservicelivesnotexpectedtoexceedplantlifearesealsando-ringsfabricatedfromcertainsealmaterials.Therefore,asealreplacementprogramisrequiredtomonitorsnubbersealando-ringservicelifetoassuresnubberoperabilityisnotdegradedduetoexceedingcomponentservicelife.4.14-8,Proposed | ||
'4~PEtP m.RecordsoftheservicelivesofallhydraulicandmechanicalsnubberslistedintheInserviceInspectionProgramincludingthedateat'hichtheservice-lifecommencesandassociatedinstallationandmaintenancerecords.6.10-3Proposed l"S.l'J,'4>>.-EllJ..5.kl~)~kPfk)-8MH Attachment.BProposedInserviceInspectionProgram | '4~PEtP m.RecordsoftheservicelivesofallhydraulicandmechanicalsnubberslistedintheInserviceInspectionProgramincludingthedateat'hichtheservice-lifecommencesandassociatedinstallationandmaintenancerecords.6.10-3Proposed l"S.l'J,'4>>.-EllJ..5.kl~)~kPfk)-8MH Attachment.BProposedInserviceInspectionProgram}} | ||
}} |
Revision as of 13:59, 18 May 2018
ML17261A560 | |
Person / Time | |
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Site: | Ginna ![]() |
Issue date: | 07/24/1987 |
From: | KOBER R W ROCHESTER GAS & ELECTRIC CORP. |
To: | STAHLE C NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM), Office of Nuclear Reactor Regulation |
Shared Package | |
ML17261A561 | List: |
References | |
NUDOCS 8707300044 | |
Download: ML17261A560 (35) | |
Text
f'~ACCESSIONNBRFACIL:50-244AUTH.NAMEKOBERzR.M.RECIP.NAMESTAHLEIC.REGULATORYjFORMATIONDISTRIBUTIONSM(RIDS)8707300044DOC.DATE:87/07/24NOTARIZED:NQDOCKET¹RobertEmmetGinnaNuclearPlantiUnitiIRochesterG05000244AUTHORAFFILIATIONRochesterGas5ElectricCorp.RECIPIENTAFFILIATIONOfficeofNuclearReactorRegulationiDirector(Post870411
SUBJECT:
Forujardsresponseto870618requestforaddiinfoon8111245supplemented83080ii8407205851004applicationsforamendtoLicenseDPR-18retestingrequirementsforsnubbers.DISTRIBUTIONCODE:*Q47DCOPIESRECEIVED:LTR+ENCLQSIZE:aO+>7TITLE:ORSubmittal:InserviceInspection/TestingNOTES:LicenseExpdateinaccordancewith10CFR2i2.109(9/19/72).05000244RECIPIENTIDCODE/NAMEPD1-3LAST*HLEICINTERNAL:AEOD/DOAARM/DAF/LFMBNRR/DEST/MEBR~BREG01EXTERNAL:LPDRNSICCOPIESLTTRENCL0111110.1111111111RECIPIENTIDCODE/NAMEPD1-3PDAEOD/DSP/TPABNRR/DEST/*DENRR/DEST/MTBOGC/HDS2RES/DE/EIBNRCPDRCOPIESLTTRENCL55111011101TOTALNUMBEROFCOPIESREQUIRED:LTTR20ENCLih 0)IIc1IIP (yyZn(i'IIIIIjZZiuuf~/~rjjyl,xrwROCHESTERGASANDELECTRICCORPORATION~89EASTAVENUE,ROCHESTER,N.K14649-0001ROGERW.KOBERVKKPRESIDENTELECTRICPRODUCTIONJuly24K1987TEL,EPHONEAREAcoDETIE546.2700U.S.NuclearRegulatoryCoranissionDocumentControlDeskAttn:Mr.CarlStahlePWRProjectDirectorateNo.1Washington,D.C.20555
Subject:
TechnicalSpecificationTestingRequirementsforSnubbersR.E.GinnaNuclearPowerPlantDocketNo.50-244
DearMr.Stahle:
EnclosedareresponsestoyourrequestdatedJune18<1987foradditionalinforrretionconcerningproposedchangestotheTechnicalSpecificationtestingrequirementsforsnubbers.ThisproposedamendmentwasoriginallysubmittedNovember24K1981andwasupdatedbysubmittalsdatedAugust1E1983>July20K1984andOctober4E1985.Ourresponsetoyouwasrequestedtobewithin30chys>orbyJuly22.Because30daysisaveryshorttimetodevelopresponsesandtoobtainbothon-siteandoff-sitereviewcoranitteeapproval>thisresponseisdelayedafewdayspasttherequestedchte.However>thisdelayhasbeendiscussedwithyouandMs.LodewykatRegionIanditwasagreedthatthedelaywasacceptable.Aspartofourresponse<anupdatedproposedchangetotheTechnicalSpecificationisattachedwhichreplacesintotalthoseprovidedpreviously.ThislatestsubmittalincorporatesStaffcommentsandincludesarevisiontotheGinnaInserviceInspectionProgram.Tables8.1and8.2oftheprogramprovideup-to-chtelistsofsafety-relatedsnubbers.TheproposedrevisiontoSpecification3.13tocomplywithStaffcommentsmayrequirethatadditionalsnubbersthatprovidesupportfornon-safety-relatedsystemsbeincludedintheinspectionandtestingprogram.Wewillbereviewingsnubbersassociatedwithnon-safety-relatedsystems.Itisanticipatedthatthisreview>alongwithinserviceinspectionEtestingandplantmaintenanceprocedurestoinsurefullcompliancewiththeproposedprogram>willbeinplacebyNovemberlr1987,or60daysafteracceptancebytheStaff,whicheverislater.Vetrulyyours>'a7O7iOaO448707a4PDRADQCK05000244P,.PDRPPIJRogerW.Kober 4PIIJPqII.1'hfly0'"JUflCM'-V-"<Ig)"DLL'a>3.P>Qfrh14ItIIJ Enclosures(2)xc:Mr.JayDunklebergerNewYorkStateEnergyOfficeU.S.NuclearRegulatoryCommssionRegion1Attn:Ms.AudreyJ.Iadewyk631ParkAvenueKingofPrussia>PA19406GinnaResidentInspector
~~Df)A(iSJiJill~~i~il-~a"(
CENCLOSURE1ResponsestoStaffQuestionsRelatingtoGinnaProposedSnubberTechnicalSpecificationsItem1:TheproposedTSApplicabilitystatementandISIProgramSection8.1wordingconfinestheTSsurveillancerequirementstothosesafetyrelatedsnubberslistedintheISIProgramTable.TheproposedSpecification3.13hasbeenrevisedtoincorporatewordingsimilartothatfoundinGenericLetter84-13.Aspecificreferencetoanysnubberlistingtablehasbeendeleted.Item2:Section3.13.2ofthe*proposedTSdoesnotrequireanengineeringevaluationtobeperformedwithintheinitial72hoursofdeclaringasnubberinoperableastheSTSdo.TheproposedSpecification3.13hasbeenrevisedtoincorporatetherequirementforanengineeringevaluationwithin72hours.Item3:TheproposedQualityAssuranceManual(QAM)AppendixBIInserviceInspection(ISI)Programidoesnotincludefunctionaltestcriteriaformechanicalsnubbers.R~esense:TheproposedSpecification4.14hasbeenrevisedtoincorporatemechanicalsnubbersintothefunctionalandvisualtestingprogram.Theinitialinspectionandfunctionaltestingformechanicalsnubbersproposedinthissubmittalwillbeperformednolaterthanthe1988refuelingoutage.Iflessthantwosnubbersofeachtypearefoundinoperableduringthefirstvisualinspectionithesecondvisualinspectionshallbeperformed12months+25%fromthedateofthefirstinspection.AmodifiedvisualinspectionwasperformedinApril1987onapproximately70accessiblemechanicalsnubbers.Noinoperablesnubberswereobserved.Item4:ProposedQAMIAppendixBISection8.3.1Istates"Steamgeneratorsnubbersmaybeexcludedfromfunctionaltestingrequirements".Currentlicenseesubmittais(Reference2)indicate"steamgenerator"snubbersneednotbefunctionallytested...(as)snubberlockupisnotafailuremode...(andiin)additionrthesesnubbersareespeciallydifficulttoremove".s
'4hII44IIII'44444J~li4*II4~I444
~Resesse:Theexemptionofsteamgeneratorsnubbersfromfunctionaltestingistechnicallyjustifiablebythepassive-typeorificedesignusedintheGinnasteamgeneratorsnubbers.Controlvalvesarenotusedanditherefore>thefailureofsuchvalves(thepredominantfailuremodeofotherlarge-boresnubbersasdiscussedinIEBulletin86-102)isnotapplicable.TheGinnasnubberswerefunctionallytestedatthemanufacturerandthedesignhasnotbeenmodified.Theexpectedfailuremodeforthesesnubbersisfailureofshaftsealsorendplate0-ringseals.Periodicinspectionandmaintenanceeffortswilldetectsuchfailures>andpost-maintenancehydrotestinginaccordancewithmaintenanceprocedureM40.7(theonlyfunctionaltestcontainedinN40.7)confirmssealintegrity.Beginningwiththe1988refuelingoutageiallofthesteamgeneratorsnubberswillbevisuallyinspectedannually.AnysteamgeneratorsnubberremovedformaintenancewillbeinspectedandtestedinaccordancewithM40.7.Item5:Currently>changestothesnubbersurveillanceprogramarereportedtotheNRCpursuantto10CFR50.90.Thelicensee'sproposalremovedportionsofthesnubberTechnicalSpecifications(particularlythesafetyrelatedsnubbertablelistingsandtestingrequirements)andplacedtheminthesiteQAMiAppendixBiInserviceInspectionProgram.ChangesormodificationstothebodyoftheQANaresubmittedannuallytotheNRCper10CFR50.54(a).Similarly>reliefforchangesordeviationsfromASNESectionXIiInserviceInspectionProgramrequirementsiarereviewedbytheNRCinaccordancewith10CFR50.55(a)g.However>itisnotapparentwhattypeofreportingrequirementswouldapplytofuturechangesofthesnubberinspectionprogramtestingcriteriabasedupontheproposedamendment.TheproposedSpecification4.14hasbeenrevisedtoincorporatethesnubbertestingrequirementsiconsistentwithStandardTechnicalSpecifications.In.responsetotheadditionalStaffcommentsithefunctiona$testingacceptancecriteriahavebeenrevisedtorequireverificationofactivationwithinthespecifiedrangeinbothtensionandcompression.Also>theproposed,ISIProgramtables8.1and8.2provideacurrentlistofinstalledsafetyrelatedsnubbersasrequestedbytheStaff.
h'iIII'1HDlgPI,W~
ENCIOSURE2RevisedProposedSnubberTechnicalSpecification w(<L' AttachmentARevisetheTechnicalSpecificationpagesasfollows:Removepages3.13-1thru3.13-7pages4.2-1thru4.2-2pages4.14-1thru4.14-5page6.10-3Insert3~1314.2-1thru4.2-34.14-1thru4.14-86.10-3 3.13SnubbersLimitinConditionfor0eration3.13.1WithRCSconditionsabovecoldshutdown,allsafetyrelatedsnubbersshallbeoperable.Thisspecificationdoesnotapplytothosesnubbersinstalledonnonsafety-relatedsystemsifthesnubberfailure,andaresultingfailureofthesupportednonsafety-relatedsystemshowntobecausedbythatsnubberfailure,wouldhavenoadverseeffectonanysafety-relatedsystem.Action3.13.2BasisWithoneormoresnubbersinoperable,within72hoursreplaceorrestoretheinoperablesnubber(s)tooperablestatusandperformanengineeringevaluationperSpecification4.14.leonthesupportedcomponent,ordeclarethesupportedsysteminoperableandfollowtheappropriateactionstatementforthatsystem.Snubbersarerequiredtobeoperabletoensurethatthestructuralintegrityofthereactorcoolantsystemandallothersafetyrelatedsystemsismaintainedduringandfollowingaseismicorotherevent.initiating,,dynamicloads.3%131Proposed 4.2InserviceInsection~11'ppliestotheinserviceinspectionofQualityGroupsA,B,andCComponents,High'EnergyPipingOutsideofContainment,SnubbersandSteamGeneratortubes.Italsoappliestoinservicepumpandvalvetesting.Toprovideassuranceofthecontinuingstructuralandoperationalintegrityofthestructures,componentsandsystemsinaccordancewith,therequirementsof10CFR50.55a(g).Secification4.2.1TheinserviceinspectionprogramforQualityGroupsA,B,andCComponents,HighEnergyPipingOutsideofContainment,SnubbersandSteamGeneratortubesshallbeinaccordancewithAppendixBoftheGinnaStationQualityAssuranceManual.ThisinservicepumpandvalvetestingprogramshallbeinaccordancewithAppendixCoftheGinnaStationQualityAssuranceManual.TheseinserviceinspectionprogramsshalldefinethespecificrequirementsoftheeditionandAddendaoftheASMEBoilerandPressureVesselCode,SectionXI,whichareapplicableforthefortymonthperiodofthetenyearinspectioninterval.Theprograms'enyearinspectionintervalsshallbebasedonthefollowingcommencingdates.4.2-1AmendmentNo.PProposed
~~Vlw~4)r TheinspectionintervalforQualityGroupAcomponentsshallbetenyearintervalsofservicecommencingonJanuary1,1970.TheinspectionintervalsforQualityGroupBandCComponentsshallbetenyearintervalsofservicecommencingwithMay1,1973,January1,1980,1990and2000,respectively.TheinspectionintervalsfortheHighEnergyPipingOutsideofContainmentshallbetenyearintervalsofservicecommencingMay1,1973,January1,1980,1990and2000,respectively.Theinspectionprogramduringeachthirdofthefirstinspectionintervalprovidesforexaminationofallweldsatdesignbasisbreaklocationsandone-thirdofallweldsatlocationswhereaweldfailurewouldresultinunacceptableconsequences.Duringeachsucceedinginspectioninterval,theprogramshallprovideforanexaminationofeachofthedesignbasisbreaklocationwelds,andeachoftheweldsatlocationswhereaweldfailurewouldresultinunacceptableconsequences.TheinspectionintervalsforSteamGeneratorTubesshallbespecifiedinthe"InserviceInspectionProgram"fortheapplicablefortymonthperiodcommencingwithMay1,1973.4.2-2AmendmentNo.PProposed
~~,ll~l4-~JlI~I,~Xil~~~)'CIlll 4.2.1.54.2.1.6InserviceInspectionofASMECodeClass1,Class2andClass3components(QualityGroupsA,B,andC)shallbeperformedinaccordancewithSectionXIoftheASMEBoilerandPressureVesselCodeandapplicableAddendasfasxequired,by10CFR50,Section50.55a(g),exceptwherespecificwrittenreliefhasbeengrantedbytheNRCpursuantto10CFR50,.Secti'on'50.55a(g)(6)(i).TheinspectionintervalfortheInservicePumpandValveTestingProgramshallbetenyearintervalscommencingwithJanuary1,1981,1990and2000.4.2.1.7TheinspectionintervalsforSnubbersshallbeasdefinedinSpecification4.14.BasisTheinserviceinspectionprogramprovidesassuranceforthecontinuedstructuralintegrityofthestructures,componentsandsystemsofGinnaStation.TheprogramscomplywiththeASMEBoilerandVesselCodeSectionXI"RulesforInserviceInspectionofNuclearPowerPlantComponents"aspracticable,withdueconsiderationtothedesignandphysicalaccessofthestructures,componentsandsystemsasmanufacturedandconstructed.ThiscompliancewillconstituteanacceptablebasisforsatisfyingtherequirementsofGeneralDesignCriterion32,AppendixAof10CFRPart50andtherequirementsofSection50.55a,paragraphgof10CFRPart50.4.2-3Proposed
'I~wJVLCIL 4.144.14.1SNUBBERSURVEILLANCEREUIREMENTS:EachsnubberrequiredbySpecification3.13tobeoperableshallbedemonstratedoperablebyperformanceofthefollowinginserviceinspectionprogramandtherequirementsofSpecification4.2.a.VisualInsectionsThevisualinspectionperiod,forsnubbersunderthisprogramshallbebasedontheresultsofthepreviousinspections.Subsequentvisualinspectionsshallbeperformedinaccordancewiththefollowingschedule:No.InoperableSnubbersofEache='oundDurinInsectionTimeUntilSubsequentVisualInsection~"0123)45,6,78ormore18months+25/12months+25/6months+25/124days+25/62days+25/31days+25/*Typeofsnubber,asusedinthisspecification,shallmeansnubbersofthesamedesignandmanufacturer,irrespectiveofcapacity.**Theinspectionintervalforeachtypeofsnubbershallnotbelengthenedmorethanonestepatatimeunlessagenericproblemhasbeenidentifiedandcorrected;inthateventtheinspectionintervalmaybelengthenedonestepthefirsttimeandtwostepsthereafterifnoinoperablesnubbersofthattypearefound.4.14-1Proposed Snubbersmaybefurthercategorizedintotwogroups:thoseaccessibleandthoseinaccessibleduringreactoroperation.Eachgroupmaybeinspectedindependentlyinaccordancewiththeaboveschedule.b.VisualInsectionAccetanceCriteriaVisualinspectionsshallverify:(1)thattherearenovisibleindicationsofdamageorimpairedoperability,and(2)that,theattachmentstothefoundationorsupportingstructurearesecure.Snubberswhichappearinoperableasaresultofvisualinspectionsmaybedeterminedoperableforthepurposeofestablishingthenextvisualinspec-tioninterval,providedthat:(1)thecauseoftherejectionisclearlyestablishedandremediedforthatparticularsnubberandothersnubbers,irrespectiveoftype,thatmaybegenericallysusceptible;or(2)theaffectedsnubberisfunction-allytestedintheasfoundconditionanddeterminedoperableperSpecification4.14.1.d.Whenafluidportofahydraulicsnubberisfoundtobeuncoveredthesnubbershallbedeclared.inoperableandshallnotbedeterminedoperableviafunctionaltestingunlessthetestisstartedwiththepistonintheas-foundsetting,extendingthepistonrodinthe4.14-2Proposed
~~I tensionmodedirection.Allsnubbersconnectedtoaninoperablecommonhydraulicfluidreservoirshallbecountedasinoperablesnubbers.c.FunctionalTestsAtleastonceper18monthsduringshutdown,arepresentativesample(atleast10%ofthesnubbersrequiredbySpecification3.13)shallbefunction-allytestedeitherinplaceorinabenchtest.Foreachsnubberthat.doesnotmeetthefunctionaltestacceptancecriteriaofSpecification4.14.1.d,anadditional10%ofthesnubbersshallbefunction-allytesteduntilnomorefailures.arefoundoruntilallsnubbershavebeenfunctionallytested.Therepresentativesampleselectedforfunctionaltestingshall,asfaraspractical,includethevariousconfigurations,operatingenvironments,rangeofsizesandcapacitiesofsnubbers.Inadditiontotheregularsample,snubbersplacedinthesamelocationsassnubberswhichfailedthepreviousfunctionaltestshallberetestedatthetimeofthenext.functionaltest.Additionally,ifafailedsnubberhasbeenrepairedandreinstalledinanotherlocation,thatfailedsnubbershallalsoberetested.Thesesnubbersshallnot,beincludedintheregularsample.Ifduringthe4.14-3Proposed
'~
functionaltesting,additionalsamplingisrequiredduetofailureofonlyonetypeofsnubber,thefunctionaltestingresultsshallbereviewedatthattimetodetermineifadditionalsamplesshouldbelimitedtothetypeofsnubberwhichhasfailedthefunctionaltesting.SteamGeneratorsnubbersareexcludedfromthefunctionaltestingrequirements.d.FunctionalTestAccetanceCriteriaThesnubberfunctionaltestshallverifythat:1)Activation(restrainingaction)isachievedwithinthespecifiedrangeinbothtensionandcompression;2)Snubberbleed,orreleaseratewhererequired,ispresentinbothtensionandcompression,withinthespecifiedrange;3)Whererequired,theforcerequiredtoinitiateormaintainmotionofthesnubberiswithinthespecifiedrangeinbothdirectionsoftravel;and4)Forsnubbersspecificallyrequirednot,todisplaceundercontinuousload,theabilityofthesnubbertowithstandloadwithoutdisplacementisverified.TestingmethodsmaybeusedtomeasureparametersindirectlyorparametersotherthanthosespecifiedI4.14-4Proposed rII,nPIl41' ifthoseresultscanbecorrelatedtothespecifiedparametersthroughestablishedmethods.e.FunctionalTestFailureAnalsisAnanalysisshallbemadeofeachfailuretomeetthefunctionaltestacceptancecriteriatodeterminethecauseofthefailure.Theresultsofthisanalysisshallbeused,ifapplicable,inselectingsnubberstobetestedinanefforttodeterminetheoperabilityofothersnubbers,irrespectiveoftype,whichmaybesubjecttothesamefailuremode.Forthespecificcaseofasnubberselectedforfunctionaltestingwhicheitherfailstoactivateorfailstomove,i.e.,frozen-in-place,thecausewillbeevaluatedand,ifcausedbymanufacturerordesigndeficiency,allsnubbersofthesametypesubjecttothesamedefectshallbeevaluatedinamannertoensuretheiroperability.This'testingrequirementshallbeindependentoftherequirementsstatedinSpecification4.14.1.cforsnubbersnot.meetingthefunctionaltestacceptancecriteria.Foranysnubbersfoundinoperable,anengineeringevaluationshallbeperformedonthecomponentstowhichtheinoperablesnubbersareattached.Thepurposeofthisengineeringevaluationshallbetodetermineifthecomponentstowhichtheinoperable4.14-5Proposed snubbersareattachedwereadverselyaffectedbytheinoperabilityofthesnubbersinordertoensurethatthecomponentremainscapableofmeetingthedesignedservice.f.SnubberSealServiceLifeNonitorinThesealservicelifeofhydraulicsnubbersshallbemonitoredandseals.replacedasrequiredtoensurethattheservicelifeisnotexceededbet-ween:surveillanceinspectionsduringaperiodwhenthesnubberisrequiredtobeoperable.Thesealreplacementsshallbedocumentedandthedocumenta-tionshallberetainedinaccordance,withTechnicalSpecification6.10.2.Basis:LISnubbersareprovidedtoensurethatthestructuralintegrityofthereactorcoolantsystemandallothersafetyrelatedsystemsismaintainedduringandfollowingaseismicorothereventinitiatingdynamicloads.Thevisualinspectionfrequencyisbaseduponmaintainingaconstant,levelofsnubberprotectiontosystems.Therefore,therequiredinspectionintervalvariesinverselywiththenumberofinoperablesnubbersfoundduringaninspection.Inspectionsperformedbeforethatintervalhaselapsedmaybeusedasanewreferencepointtodeterminethenextinspection..However,theresultsofsuchearlyinspectionsperformed'beforethel'riginal,requiredtimeintervalhaselapsed(nominal,Iki4.14-6Proposed timeless25%)maynotbeusedtolengthentherequiredinspectioninterval.Anyinspectionwhoseresultsrequireashorterinspectionintervalwilloverridetheprevi.'ousschedule.Whenthecauseoftherejectionofasnubberisclearlyestablishedandremediedforthatsnubberandforanyothersnubbersthatmaybegenericallysusceptible,andverifiedbyinservicefunctionaltesting,that,snubbermaybeexemptedfrombeingcountedasinoperable.GenericallysusceptiblesnubbersarethosewhichareofaspecificmakeormodelandhavethesamedesignLfeaturesdirectlyrelated'tothesnubberrejectedorarethosewhichare-similarlylocatedorexposedtothesameenvironmentalconditionssuchastemperature,.radiation,andvibration.Whenasnubberisfoundinoperable,anengineeringevaluationofthesupportedcomponentisperformedinordertodetermineifanysafety-relatedcomponentorsystemhasbeenadverselyaffectedbytheinoperabilityofthesnubber.Thisevaluationisinadditiontothedeterminationofthesnubbermodeoffailure.Theengineeringevaluationshalldeterminewhetherornotthesnubberfailurehasimpartedasignificanteffectonorcauseddegradationofthesupportedcomponentorsystem.4.14-7Proposed Toprovideassuranceofsnubberfunctionalreliability,arepresentativesampleoftheinstalledsnubberswillbefunctionallytestingduringplantshutdownsat18,monthintervals.Observedfailuresofthesesamplesnubbersshallrequirefunctionaltestingofadditionalunits.Hydraulicsnubbersandmechanicalsnubbersmayeachbetreatedasadifferententityfortheabovesurveillanceprograms.The,servicelifeofasnubberisevaluatedviamanufacturerinputandengineeringinformationthroughconsiderationofthesnubberserviceconditionsandfunctionaldesignrequirements.Theonlysnubbercomponentswithservicelivesnotexpectedtoexceedplantlifearesealsando-ringsfabricatedfromcertainsealmaterials.Therefore,asealreplacementprogramisrequiredtomonitorsnubbersealando-ringservicelifetoassuresnubberoperabilityisnotdegradedduetoexceedingcomponentservicelife.4.14-8,Proposed
'4~PEtP m.RecordsoftheservicelivesofallhydraulicandmechanicalsnubberslistedintheInserviceInspectionProgramincludingthedateat'hichtheservice-lifecommencesandassociatedinstallationandmaintenancerecords.6.10-3Proposed l"S.l'J,'4>>.-EllJ..5.kl~)~kPfk)-8MH Attachment.BProposedInserviceInspectionProgram