ML18040A093
| ML18040A093 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 09/03/1993 |
| From: | SYLVIA B R NIAGARA MOHAWK POWER CORP. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NMP89316, NUDOCS 9309080163 | |
| Download: ML18040A093 (16) | |
See also: IR 05000410/1993014
Text
ACCELERATEDDOCUMENTDISTRIBUTIONSYSTEMREGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)'iCCES)IONNBR:9309080163DOC.DATE:93/09/03NOTARIZED:NODOCKETCIL:50-410NineMilePointNuclearStation,Unit2,NiagaraMoha05000410UTH.NAMEAUTHORAFFILIATIONSYLVIA,B.R.NiagaraMohawkPowerCorp.RECIP.NAMERECIPIENTAFFILIATIONDocumentControlBranch(DocumentControlDesk)
SUBJECT: RespondstoNRC930803ltrreviolationsnotedininsprept50-410/93-14.Correctiveactions:utilinitiatedplanforrestructuringoperatingproceduresbydevelopingspecialoperatingprocedurescategory.DISTRIBUTIONCODE:IE01DCOPIESRECEIVED:LTRENCLSIZE:TITLE:General(50Dkt)-InspRept/NoticeofViolationResponseNOTES:DRECIPIENTIDCODE/NAMEPD1-1PDINTERNAL:ACRSAEOD/DSP/ROABAEOD/TTCNRR/DORS/OEABNRR/DRIL/RPEBNRR/PMAS/ILPB1NUDOCS-ABSTRACTOGC/HDS1RES/HFBEXTERNALEGGG/BRYCEgJH~NSICCOPIESLTTRENCL112211111111111111111111RECIPIENTIDCODE/NAMEMENNINGiJAEOD/DEIBAEOD/DSP/TPABDEDRONRR/DRCH/HHFBNRR/DRSS/PEPBNRR/PMAS/ILPB2OEDEGFILE02GNl=FE01NRCPDRCOPIESLTTRENCL1111111111111111111111DDDDNOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEWASTE!CONTACI'HEDOCUMENTCONTROLDI"SV,ROOMPl-37(EXT.504-2065)TOELIMINATEYOURNAMEFROMDISTRIBUTIONLISTSFORDOCUMENTSYOUDON'TNEED!DTOTALNUMBEROFCOPIESREQUIRED:LTTR24ENCL24
7NlASAPA-:VMOHAWKNIAGARAMOHAWKPOWERCORPORATION/NINEMILEPOINT,P.O.BOX63,LYCQMING,NY13093/TELEPHONE(315)349-2882B.RalphSylviaExecutiveVicePresidentNuclearSeptember3,1993NMP89316U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,DC20555RE:NineMilePointUnit2DocketNo.50-410NPF-Gentlemen:
SUBJECT: REPLYTONOTICEOFVIOL4TION-NRCINSPECTIONREPORT50-410/93-14EnclosedisNiagaraMohawkPowerCorporation'sreplytotheNoticeofViolationcontainedinthesubjectInspectionReportdatedAugust3,1993.Thediscussion,asrequestedbytheInspectionReport,ofNiagaraMohawk'spositionwithrespecttocompliancewithANSI/ANS3.2-1982,Section~~~~~~~~5.3.9.1isalsoenclosed.Thisletteralsoprovidesadditionalinformation,asrequested,regardingthequalityoftheNineMilePointUnit2OperatingProcedures.Viola'eoseWebelievethattheresponsetotheNoticeofViolation(Enclosure1)appropriatelyaddressesthecausesofthisviolationandpresentsappropriatecorrectiveactionswhichwillpreventrecurrence.-Nor/naPrcrFEnclosure2providesNiagaraMohawk'spositionwithrespecttotheissueofoff-normalprocedureformat.TheInspectionReportindicatedthatourresolutionoftheissueregardingprocedureformathasnotbeentimely.Weacknowledgethat,untilthisinspection,wemisinterpretedthefocusofthisissue,believingtheconcerntobethequalityofselectedOperatingProcedures,whichwewereaddressingbyupgradingtheElectricalOperatingProceduresandenhancingourprocedurepreparationprocesses.WediscussedourpositionregardingthisissuewiththeNRCRegionStaffduringtheon-siteinspectionscoveredbythisreport.Furthermore,asdiscussedinEnclosure2,NiagaraMohawkhasinitiatedaplanforasignificantrestructuringofUnit2OperatingProcedures(OPs)bydevelopingproceduresinanewcategory,SpecialOperatingProcedures(SOPs).TheUnit2SOPswillincorporate,asappropriate,theattributesofsymptoms,automaticactions,immediateandsubsequentoperatoractions.InanAugust6,1993lettertotheRegionalAdministrator,Mr.T.Martin,wedescribedthisplanandprovidedourimplementationschedule.Asdiscussedinourletter,implementationofthisplanwillbecompletebyJuly31,1994inaccordancewithastructuredschedulewhichwillallowadequatetimeforverificationandtraining.9309080163930903PDRADOCK050004io8PDR
Page2~~ThisInspectionReportnotedthatseveraleventsinthepotentialemergencycategorywerenotbeingaddressedbyourproposedSOPs.TheseeventswerenotincludedintheSOPplandescribedinourAugust6,1993letter.NiagaraMohawkhassincedecidedtoexpandthescopeofourSOPdevelopmentefforttoaddresstheeventslistedinRegulatoryGuide1.33,AppendixA,Section6,applicabletotheNineMilePointUnit2designexceptforaverylimitednumberofeventswhicharemoreappropriatelyaddressedbyoursymptombasedEmergencyOperatingProceduresorourEmergencyPlanProcedures.TheeventsidentifiedintheInspectionReportwillbeincorporatedintotheSOPswithinthetimeframeidentifiedinourAugust6,1993letter.NiagaraMohawkwillrevisetheUSARtoclearlydescribeourprocedurehierarchyandourcommitmentstoANSI/ANS-3.21982.0eratoPreureuaiTheInspectionReportnotesthatthereappearstobeapersistentproblemwiththequalityofUnit2OperatingProcedures(OPs)andexpressesconcernthatourupgradeprogrammaynotbeeffectiveindealingwiththisproblem.Ourevaluationoftheviolationindicatesaweaknessintheimplementationofourprocedurepreparationandreviewprocess.WewillestablishadditionalmanagementcontrolsasdescribedinEnclosure1inordertoimprovetheeffectivenessoftheUnit2OperatingProcedureupgradeactivities.Over2,900siteadministrativeandtechnicalprocedureshavebeenupgraded,however,themajorityoftheUnit2OPswerenotincluded.WearecontinuingwithourlongertermefforttoupgradetheremainingOPs.NineMilePointUnit2experienceindicatesthatcontinuedattentiontoimprovementoftheOPsis~~~~~~~~~~appropriate.NiagaraMohawkbelieves,however,thattheimprovementinrecentoperatingperformancedemonstratestheoperators'bilitytoeffectivelyusethecurrentlyexistingprocedures.$ummaiyNiagaraMohawkbelievesthattheSOPdevelopmentplandiscussedaboveandthecorrectiveactionsdiscussedinEnclosure1willsignificantlyenhancetheUnit2procedureprogram.Ifyouhaveanyquestionsconcerningthesematters,pleasecontactme,Verytrulyyours,B.RalphSylviaExec.VicePresident-NuclearBRS/AFZ/ImcEnclosuresXC:Mr.T.T.Martin,RegionalAdministrator,RegionIMr.W.L.Schmidt,SeniorResidentInspectorMr.R.A.Capra,Director,ProjectDirectorateI-1Mr.J.E.Menning,ProjectManager,NRRRecordsManagement
E~NCLCENIAGARAMOHAWKPOWERCORPORATIONNINEMILEPOINTUNIT2DOCKETNO.50-410NPF49"REPLYTONOTICEOFVIOLATION,"ASCONTAINEDININSPECTIONREPORT50410/93-14VIOL4TION-4103-14-0110CFR50AppendixB,CriterionVI,ondocumentcontrolrequiresinpartthatmeasuresshallassurethatdocuments,suchasprocedures,includingchanges,arereviewedforadequacy.Contrarytotheabove,asofJuly8,1993,anoperatingprocedurechangewasnotreviewedforadequacyinthatOP-71DwouldhavepermittedbothlogictrainsoftheAutomaticDepressurizationSystemtobemadeinoperableduringrestorationofonepowersupplytrain.ThisisaSeverityLevelIVviolation(Supplement1).1.THEREAIRTHEVIL4TINAlimitedrevisiontoprocedureN2-OP-72(OP-72)waswritteninAugust1992toaddressalossofpowertoloadssuppliedfrom2VBA-UPS2B(UPS2B).ThisprocedurewaspreparedtosupportacorrectivemaintenanceactivityperformedinSeptember1992.ThestepsforrestoringpowertotheUPS2BloadswereextractedfromprocedureN2-PM-13,whichhadbeenpreviouslydemonstratedtobeeffectiveforde-energizingandrestoringDivisionIIpowersupplies.WhiledevelopingthelimitedrevisiontoOP-72,theprovisionsfortheuseoftheAutomaticDepressurizationSystem(ADS)inhibitswitcheswaserroneouslyaddedasanalternativetoopeningbreaker2BYS*PNL201B-10.ThiserrorwasnotidentifiedbytheQualifiedTechnicalReviewer.Subsequently,procedureN2-OP-71D(OP-71D)wasdevelopedaspartoftheElectricalOPupgradeprogram.ThesectiononrestoringpowertoUPS2BloadswastransferredfromOP-72toOP-71DwhentheupgradedElectricalOPswereimplemented.OP-71Dreceivedacross-disciplinaryandtechnicalreviewpriortotheadditionofthesectiononrestoringpowertoUPS2Bloads.ThereviewbytheQualifiedTechnicalReviewer,afterincorporatingthissectionfromOP-72,didnotidentifytheerror.Theprimarycausefortheincorrectprocedurehasbeendeterminedtobeinadequatemanagerialmethodsinthatprocedureprogramrequirementsandmanagementexpectationsregardingprocedurepreparationandreviewactivitieswerenotwellunderstoodbytheindividualsinvolved.Inaddition,managementoversightwaslessthanadequateinidentifyingthattheseexpectationswerenotwellunderstood.Page1of3 0
TheproceduresectionaddressingtherestorationofUPS2Bloadshasneverbeenused.Furthermore,hadthisprocedurebeenused,theinternalinconsistencyresultingfromtheerroneousstepwouldinalllikelihoodhaveresultedinanoperatordecisiontostoptheprocedureandtoinitiateactiontoresolvethediscrepancy.Additionally,operationoftheADSinhibitswitcheswouldhaveinitiatedControlRoomfrontpanelannunciators,alertingtheoperatingshiftoftheneedtotakeactiontorestoreADSoperability.2.RRETIVEACTINTAKENANDTHERELTAHIEVEDAnimmediateProcedureChangeEvaluation(PCE)wasissuedinresponsetotheInspectoridentifiedproceduredeficiency.ThisPCEremovedtheoptiontousetheADSswitchesduringtheperformanceofthisprocedure.DeviationEventReport(DER)¹2-93-1611wasissuedonJuly8,1993,todocumenttheevaluationofthecauseofthisproceduredeficiencyandcorrectiveactions.AsampleofpreviouslyrevisedOperationsDepartmentproceduresisbeingreviewedfortechnicalaccuracy.TheresultsofthatreviewwillbepresentedtotheSiteOperationsReviewCommittee(SORC)forconsiderationindeterminingwhetheradditionalcorrectiveactionsarewarranted.AsampleofoneprocedureperQualifiedTechnicalReviewerwillbereviewedintheinitialsample.AtthistimeeightupgradedOperationsDepartmentprocedureshavebeenreviewedwithnoerrorsintechnicalcontentidentified.Thesereviewsdididentifysomeeditorialerrors.3.RRETIVEACTIONTBETAKENTOAVIDFURTHERVIOLATINNiagaraMohawkwillcontinueupgradingourUnit2OPsonaprioritizedbasis.SeniorOperationsDepartmentSupervision(GeneralSupervisorlevelorhigher)willreviewselectedrevisedprocedurespriortopublicationwiththeprocedureauthorandQualifiedTechnicalReviewertoensuretheprocedurepreparationandreviewactivitieswereperformedinfullcompliancewithprogramrequirementsandmanagementexpectations.OperationsLineManagementwillreinforce,withprocedureauthorsandQualifiedTechnicalReviewers,theexpectationsandrequirementsforproperprocedurepreparationandTechnicalReviewactivities.TheOperationsBranchManagerwillmeetwithallOperationsDepartmentpersonneltoreinforceNuclearDivisionStandardsofPerformanceandexpectationsregardingtheemphasisonsafetyandqualityofworkhavingpriorityabovescheduleadherenceaswellasreinforcingmanagementexpectationsonprocedurepreparationandreviewactivities.TrainingtoemphasizetherolesandresponsibilitiesofTechnicalReviewerswillbeincludedintheTechnicalStaffandReactorOperatorcontinuedtrainingprograms.AugmentedQualityAssurancesurveillanceactivitieswillbeutilizedtomonitortheeffectivenessoffutureOperationsDepartmentprocedurerevisionactivities.ThesesurveillanceactivityresultswillbefedbacktoOperationsDepartmentManagementtogaugetheeffectivenessofthecorrectiveactionstaken.Page2of3
4.DATEWHENFULLCMPLIANCEWASACHIEVEDFullcompliancewasachievedonJuly8,1993,whenanimmediatePCEwasissuedtoremovetheoptiontousetheADSswitchduringtheperformanceofthisprocedure.Page3of3
ENCLOSURE2NIAGARAMOHAWKPOWERCORPORATIONNINEMILEPOINTUNIT2DOCKETNO.50-410NPF49NIAARAMOHAWKPOSITIONONFRMATOFFF-NORMALPRCEDUR~fNDUCNBaseduponthecommentsinInspectionReport93-14,itappearsthatNiagaraMohawkandtheNRCStaffhavedifferentpositionsregardingtherequiredformatfor"off-normal"procedures.ThisEnclosurediscussesNiagaraMohawk'spositiononthisissue.~C*NANiagaraMohawkbelievesthatthecurrentUnit2procedureprogramisincompliancewithANS3.2-1982.InSection13.5oftheUSAR,NiagaraMohawkcommitstofollowSection5.3ofANS3.2-1982.Insubsequentsubsections,however,wenotethatourEOPswillfollowRev.4oftheBWROGformatforsymptombasedEOPs.Thispositionisconsistentwithfootnote13toSection5.3.9.1ofANS3.2.ANS3.2Section5.3.9.2,whichrequiresprocedurestorespondtopotentialemergencies,doesnotspecifyaparticularformat.AtthetimetheUnit2OPswereinitiallyprepared,theyfollowedthegeneralformat,styleandcontentthenbeingusedbytheexistingUnit1procedures.Furthermore,NiagaraMohawkspecificallydecidedtoincorporateoff-normalactionswithintheOPstominimizethenumberofproceduresthatoperatorswouldneedtoreference.ThepotentialemergenciesdiscussedinSection5.3.9.2andAppendixA10ofANS3.2arecoveredbytheoff-normalsectionofourOPsorbyotherapprovedsiteprocedures.Subsequentexperience,however,hasdemonstratedthedesirabilityofhavingstandaloneproceduresforrespondingtoselectedoperatingevents.Asdiscussedbelow,wehavedevelopedacomprehensiveplantodevelopthesestandaloneproceduresandprovidedthisinformationtotheNRCinourAugust6,1993,lettertotheRegionIAdministrator.FF-NRMALPREDREPLANADTATNiagaraMohawk'splanistodevelopanewsetofUnit2procedurescalledSpecialOperatingProcedures,SOPs,whichwillcovereventsofpotentialemergency.AstheseSOPsareprepared,theappropriateoff-normalsectionsofourcurrentOPswillbemodified.Wearedevelopingawriter'sguideforSOPsandtheOperationsStaffisdevelopingtheformatbestsuitedforSOPs.Insomecases,thismayresultintheuseofflow-charttypeprocedures,Page1of2
similartotheEOPs.Regardlessoftheformat,theattributesofsymptoms,automaticactions,immediateandsubsequentoperatoractions,willbeincorporatedintheindividualprocedures.Incorporatingtheseattributesmaynotnecessarilyinvolvespecificproceduresectionswiththeaboveheadings.Forexample,automaticactionsmaybeincorporatedasaverificationstepattheappropriatetimewithintheimmediateorsubsequentoperatoractionsections.TheUSARwillberevisedtoreflecttherevisedprocedureprogram.$UMMARYNiagaraMohawkbelievesthattheexistingUnit2procedureprogramisincompliancewiththelicensingbasis,however,NiagaraMohawkwillrevisetheUSARtomoreclearlyandspecificallydescribeourprocedureprogramandcommitmenttoANS3.2.WehavealsoconcludedthatasetofSpecialOperatingProcedureswouldbeanenhancementtoourprogramandhavedevelopedaplantoimplementthatapproach.Page2of2