ML003760349
| ML003760349 | |
| Person / Time | |
|---|---|
| Issue date: | 10/16/2000 |
| From: | Beckner W D Technical Specifications Branch |
| To: | Bradley B Nuclear Energy Institute |
| gilles n | |
| References | |
| Download: ML003760349 (7) | |
Text
October16,2000Mr.BiffBradleyNuclearEnergyInstitute Suite400 1776IStreet,NW Washington,DC20006-3708
SUBJECT:
OCTOBER10,2000:
SUMMARY
OFMEETINGWITHRISK-INFORMEDTECHNICALSPECIFICATIONTASKFORCEMr.Bradley:ThepurposeofthisletteristotransmitthesummaryofameetingwiththeRisk-Informed TechnicalSpecificationTaskForce.ThemeetingwasheldattheNuclearEnergyInstitute (NEI)officesinWashington,DC,onOctober,10,2000.Sincerely,/RA/WilliamD.Beckner,ChiefTechnicalSpecificationsBranch DivisionofRegulatoryImprovementPrograms OfficeofNuclearReactorRegulation
Enclosures:
1.MeetingSummary2.AttendanceListcc:Seeattachedlist October16,2000Mr.BiffBradleyNuclearEnergyInstitute Suite400 1776IStreet,NW Washington,DC20006-3708
SUBJECT:
OCTOBER10,2000:
SUMMARY
OFMEETINGWITHRISK-INFORMEDTECHNICALSPECIFICATIONTASKFORCEMr.Bradley:ThepurposeofthisletteristotransmitthesummaryofameetingwiththeRisk-Informed TechnicalSpecificationTaskForce.ThemeetingwasheldattheNuclearEnergyInstitute (NEI)officesinWashington,DC,onOctober,10,2000.Sincerely,/RA/WilliamD.Beckner,ChiefTechnicalSpecificationsBranch DivisionofRegulatoryImprovementPrograms OfficeofNuclearReactorRegulation
Enclosures:
1.MeetingSummary2.AttendanceListcc:Seeattachedlist DISTRIBUTION:Seeattached.DOCUMENTNAME:C:\MTGSUMRITSTF10-10-00.WPDACCESSIONNUMBER:ML003760349TEMPLATE:
NRC-001OFFICENRR/DRIP/RTSBNRR/DRIP/RTSBNRR/DRIP/RTSBNAMENVGilles NVG RLDennigRLDWDBecknerWDBDATE10/16/0010/16/0010/16/00OFFICIALRECORDCOPY MultipleAddresseesccviae-mail
- Mr.TonyPietrangelo NuclearEnergyInstituteMr.TonyBrooksNuclearEnergyInstituteMr.AlanHackerott,ChairmanOmahaPublicPowerDistrictMr.JerryAndréWestinghouseElectricCompanyMr.JamesAndrachekWestinghouseElectricCompanyMr.JackStringfellowSouthernNuclearOperatingCompanyMr.DonaldMcCamyBrownsFerryNuclearPlantMr.RaySchneiderWestinghouseElectricCompanyMr.JamesRiccioPublicCitizenMr.GaryChungSouthernCaliforniaEdisonMr.BrianWoodsSouthernCaliforniaEdisonMr.RickHillGeneralElectricNuclearEnergyMr.MichaelS.Kitlan,Jr.DukeEnergyCorporationMr.NoelClarksonDukeEnergyCorporationMr.DonaldHoffmanEXCELServicesCorporationMr.MikeEplingFramatomeTechnologiesMr.DustyRhoadsEnergyNorthwest MultipleAddresseesDISTRIBUTION
- SCollins/RPZimmerman JJohnson BWSheron DBMatthews
CEAder GMHolahan WDBeckner RJBarrett RLDennig FMReinhart MLWohl NTSaltos TSBStaff JAZwolinski JFWilliams AWMarkley SLMagruder MACunningham,RES MMarkley,ACRSStaff ADAMS PUBLIC TSBR/F Enclosure1 1
SUMMARY
OFOCTOBER10,2000NRC/INDUSTRYMEETINGOFTHENEIRISK-INFORMEDTECHNICALSPECIFICATIONTASKFORCENRCstaffmetwiththeNEIRisk-InformedTechnicalSpecificationTaskForce(RITSTF)onOctober10,2000,from2to4pm.TwooftheNEIprojectmanagersforthegroup,Tony PietrangeloandBiffBradley,providedsomebackgroundonthegroup'sactivitiesandsome preliminaryplansforindustrycoordinatedactivitytofurtherdeveloprisk-informedtechnical specifications.Aformalplanisunderdevelopmentandwilllikelybeavailablebytheendofthe year.TheRITSTFhashadthebenefitoftwomeetingsoftheguidingNEITechnicalSpecificationWorkingGroupinJulyandSeptemberofthisyear.BasicprinciplesguidingtheRITSTF include:(1)Buildinasmuchflexibilityaspossibletoallowsomebenefitforvariousdegreesof PSAsophistication;advancedorganizationsshouldbeabletobenefitcommensuratewiththeir capabilities,(2)Developapproachesthatareassimpleaspossibleandwhichcanbepractically implemented/expressedwithintheframeworkofStandardTechnicalSpecifications(STS),and (3)Acknowledgedependenceonotherrisk-informedactivitiessuchasPSAqualitystandard developmentwhilenotduplicatingthoseefforts.TheRITSTFispursuingeightinitiatives:
I.1TechnicalSpecificationactionsendstatesI.2Missedsurveillances-SR3.0.3 I.3Increaseflexibilityinmoderestraints-LimitingConditionforOperation(LCO)3.0.4 I.4.aIndividualrisk-informedallowedoutagetimes(AOTs)
I.4.bRisk-informedAOTswithConfigurationRiskManagementProgram(CRMP)/MaintenanceRule(MR)backstopsI.5.aRelocatesurveillancerequirementsnotrelatedtosafetytolicenseecontrol I.5.bRelocatesurveillancetestintervals(STIs)ofallsurveillancerequirementstolicenseecontrolI.6.aModifyLCO3.0.3actionsandtiming-1hourAOTto24hourAOT I.6.bProvideConditionsintheLCOsforthoselevelsofdegradationwherenoConditioncurrentlyexistsI.6.cProvidespecifictimesforthoseConditionsthatrequireentryintoLCO3.0.3immediately I.7Defineactionstobetakenwhenequipmentisnotoperablebutstillfunctional I.8Remove/relocateallnon-safetysystems/non-risk-significantsystemsoutofTSThestaffhasbeenreviewinggenericsubmittalsforthefirstthreeinitiatives.TheCombustionEngineeringOwner'sGrouptopicalreportforI.1(endstates)hasbeenreviewedandthestaffis currentlydraftingasafetyevaluation.Thestaffplanstousethissafetyevaluationinthe ConsolidatedLineItemImprovementProcess(CLIIP)toofferadoptionoftheassociated changestoSTS,oncetheindustryprovidestheproposedSTSmark-upsforstaffreview.The RITSTFindicatedthatfollow-onworkfromotherownersgroupswasinprogress,withtheBWR workthemostadvanced.Inresponsetoprocessquestions,thestaffindicatedthatthe packagingandsequencingwasatindustrydiscretionandthatnoobviousadvantagesor disadvantagesaccruedtosimultaneousPWR/BWRsubmittalortopackagingastopical reports.
Enclosure1 2I.2(missedsurveillances)hasbeenpackagedasTSTF-358.StaffandindustryhaveinteractedduringreviewsinceNovember1999,andarevisedversionwassubmittedinSeptember2000.
Thestaffowestheindustryascheduleforcompletionofthatreview.I.3(moderestraintflexibility)hasbeenpackagedasTSTF-359andisundergoingrevisioninresponsetostaffcomments.TheRITSTFexpectstoresubmitsometimeinDecember.The generalapproachwasoutlined:(1)Identifythesetof"system/equipment"LCOsthatanLCO3.0.4exceptioncouldapplyto, (2)Determinethatsubsetthatishighlyrisksignificantandtowhichagenericexceptionwouldnotapply;plantscouldmakespecificcasesforthese,(3)Fortheremainder,establishwithinSTStherequirementforamaintenanceruletypeofreviewbythelicenseebeforetakingtheexception,and(4)TakeouttheexistingexceptionsnowwrittenintoSTSwiththeunderstandingthatplantscouldseparatelydoaone-timeanalysistocodifyinprocedures(i.e.,taketheexceptionwithout havingtodothemaintenanceruletypereview).Someindividualrisk-informedAOTs(I.4.a)shouldbeforthcomingthroughoutthenextyear,possiblyfromtheWOG,andthereiscontinuinginterestbyCEOGintheirbatterysubmittal.
ThemoreambitiousscopeofI.4.b,i.e.,risk-informedAOTswithCRMP/MRbackstops,willbe underdevelopmentforpresentationtothestafflatein2001.Thecurrentapproachistotreat thecurrent"deterministic"AOTasa"default"andtoembedaprocesstoextendtheAOTupto a"backstop"value.EPRI'smorerevolutionaryconceptisstillunderdevelopment,withareport dueshortly.TheEPRIconceptwouldprobablybepursuedwithapilotplant.I.5.awillbehandledinthefutureasa"deterministic"changetotheSTSsincethereisnorisk-informedaspect.I.5.bwillbetakenupinthenextyear.TheRITSTFdoesnotbelievethata rulechangeisneededtorelocateSTIsoutsidethetechnicalspecifications.Initiative6.bandcarebeingworkedwithoneownersgroupreadytoproceed,anotherfunded,andtwoothershavingreviewedthemethods.Theremaybesomeactivitybytheendofthe year.Therearesomequestionsaboutthecost/benefitthatmaydeterminewhetherallgroups eventualinvestintheeffort.I.6.aisreceivinglittleattentionandmayhavethelowestpriorityof anyoftheinitiatives.I.7addressesconcernsabouthowequipmentnotliterallyinSTSisnonethelessvirtuallyinSTSbecauseitsomehowfactorsintotheOPERABILITYdeterminationforequipmentthatis intechnicalspecifications.Theapproachisthatthesekindsofequipment(e.g.,barriers)should haveadministrativelycontrolledoutagetimesbasedonariskargumentthatreliesoninitiator likelihood.Staffexpressedinterestinfurtherdevelopmentbutpointedoutpastpracticeof alwaysrequiringsomedegreeofmitigativecapabilityandnotrelyingonlowaccidentlikelihood asthesolebasisforacceptanceofacondition.Finally,I.8wasrecentlyadded,butithasnotyetreceivedmuchattentionattheworkinglevel.
Enclosure2MeetingAttendeesNameAffiliationRaySchneiderWestinghouse/CEOGAlanHackerottOmahaPublicPowerDistrict/CEOG BrianWoodsSouthernCaliforniaEdison/CEOG BiffBradleyNuclearEnergyInstitute TonyPietrangeloNuclearEnergyInstitute TonyBrooksNuclearEnergyInstitute DonaldHoffmanEXCELServices JerryAndréWestinghouse/WOG JimAndrachekWestinghouse/WOG DonMcCamyTennesseeValleyAuthority/BWROG J.E.RhoadsEnergyNorthwest/BWROG MikeKitlanDukePower/BWOG FrankRahnElectricPowerResearchInstitute MichaelEplingFramatomeTechnologies/BWOG ThomasMorganScientech MillardWohlNRC/NRR/SPSB NickSaltosNRC/NRR/SPSB BobDennigNRC/NRR/RTSB