ML17309A628
| ML17309A628 | |
| Person / Time | |
|---|---|
| Site: | Ginna |
| Issue date: | 03/13/1998 |
| From: | MECREDY R C ROCHESTER GAS & ELECTRIC CORP. |
| To: | VISSING G S NRC (Affiliation Not Assigned), NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 50-244-97-12, NUDOCS 9803250127 | |
| Download: ML17309A628 (7) | |
See also: IR 05000244/1997012
Text
ROCHESTERGASANDELECTRICCORPORATION~89EASTAVENUE,ROCHESTER,N.K14649-000110ICrrJr(ROBERTC.MECREDYVicepresidentNuclearOperationsrr.r.r~o~rAer.icour.sir546.2700March13,1998U.S.NuclearRegulatoryCommissionDocumentControlDeskAttn:GuyS.VissingProjectDirectorateI-1Washington,D.C.20555Subject:ReplytoaNoticeofViolationNRCIntegratedInspectionReport50-244/97-12andNoticeofViolation,datedFebruary9,1998R.E.GinnaNuclearPowerPlantDocketNo.50-244DearMr.Vissing:RochesterGasandElectric(RG&E)providesthisreplywithin30daysofreceiptoftheletterwhichtransmittedtheNoticeofViolation.DuringanNRCInspectionconductedonNovember17January4,1998,aviolationofNRCrequirementswasidentified.1naccordancewiththe"GeneralStatementofPolicyandProcedureforNRCEnforcementActions,"NUREG-1600,theviolationislistedbelow:n10CFR50,AppendixB,CriterionVrequiresthatactivitiesaffectingqualitybeprescribedandaccomplishedinaccordancewithdocumentedproceduresandinstructions,andthattheseproceduresincludeappropriatequantitativeorqualitativeacceptancecriteriafor'eterminingthatimportantactivitieshavebeensatisfactorilyaccomplished.NuclearDirectiveND-MAI,RMaintenance,"requiredthatunexpectedproblemsbedocumented,andthatanydeficienciesidentifiedbereportedinaccordancewiththeCorrectiveActionProgram.MaintenanceProcedureM-15.1M,"AorBDieselGeneratorMechanicalInspectionandMaintenance,"step5.20.1.hrequiredthattheemergencydieselgeneratorhighestandlowestfiringpressuresberecordedatfullengineload,andspecifiedthatthedifferencebetweenthehighestandlowestpressuresmustnotexceedamaximumof150poundspersquareinch.eDRAoocKosaaoaee9803i38PDR
Page2Contrarytotheabove,onMay3,1996,andNovember11,1997,theacceptancecriteriainmaintenanceprocedureM-15.1Mwerenotmetduringpost-maintenancetestingoftheB-emergencydieselgenerator(B-EDG).Inbothinstances,thedifferencebetweenthehighestandlowestfiringpressuresfortheB-EDGenginewasrecordedabovethemaximumallowablelimitspecifiedbyprocedureM-15.1M.Theunacceptabledatawasnotresolvedinaccordancewiththelicensee'sCorrectiveActionProgram,orjustifiedanddocumentedasacceptablebeforetheB-EDGwasreturnedto'ervice."(1),,thereasonfortheviolation,or,ifcontested,thebasisfordisputingtheviolationorseveritylevel:RochesterGas6ElectricCorporation(RGEE)acceptstheviolation.WeacknowledgethatEDGperformancedatawasnotproperlyresolvedrelativetoestablishedacceptancecriteriaandtheCorrectiveActionProgram.ThecollectionofEDGfiringpressuredataisbasedonguidancefromtheEDGvendormanual.Historically,suchdatawascollectedanddocumentedinMaintenanceProcedureM-15.1.2,"AorBDieselGenerator-ObtainCylinderFiringPressure'atFullLoad",att'esametimeasperiodictestingoftheEDGwasbeingperformed(usingSurveillanceTestProcedurePT-12.1orPT-12;2,"EmergencyDieselGeneratorA"and"EmergencyDieselGeneratorB")~ThedatacollectionwasscheduledpriortoplannedEDGmaintenanceoverhauls.ThisdatawasoneofthesoleindicatorsofEDGcondition,andwasprovidedtotheoriginalequipmentmanufacturer(OEM)fieldservicesrepresentativeforuseinplanninganyneededmaintenance.duringthesubsequentoverhaul.TheOEM'epresentative.iscontractedtoprovideguidanceandbe-presentduringtheEDGmaintenanceoverhaul.AftercompletionofEDGmaintenanceoverhauls,data(toverifythatproperadjustmentsandengineperformanceareacceptable)isobtainedduringtherestorationoftheEDGtoservice.ProceduresPT-12.1orPT-12.2areusedforpost-maintenancetesting(PMT)and,operabilityperformancetesting(OPT).DocumentationofthefiringpressureisrecordedinMaintenanceProcedureM-15.1M,,"AorBDieselGeneratorMechanicalInspectionandMaintenance",atthistime.Inthepast'woyears,GinnaStationhastakenadditionalmeasurestodetermineEDGengineconditionbycontractingwithanEDGengineanalysiscontractor.Thistypeofengineanalysishasgainedincreasingacceptancewithinthenuclearpowerindustry,andhasbeenendorsedbytheALCOOwner'sGroup.
Page3TheengineanalysiscontractorassistsRGSEpersonnelinperformingstate-of-the-artconditionmonitoring,bothpriortoandfollowingEDGmaintenanceoverhauls.Thismonitoringincludesenhanceddiagnostictesting,andprovidesmanyoftheparameterstoassistindeterminingengineperformance.Maintenanceprocedureshavenottotallyreflectedthenewmethodologyfordatacollectionanditsapplicabilitytoengineperformance.Thedatacollected,thatwasabovethemaximumallowablelimit,wasobtainedwiththeconcurrenceoftheOEMfieldservicesrepresentative,theengineanalysiscontractor,andtheSystemEngineer.~Thisdatawasreviewedinconjunctionwithdeterminingtheoverallengineperformance.Therepresentativewasknowledgeableoftheseparameters,andwasawareofthebasisforthefiringpressurelimits.Nevertheless,thisout-of-specificationdatawasrecordedandnotproperlyresolvedinaccordancewiththeGinnaStationadministrativeprocedures,inthattheRGEEmaintenancepersonnelinappropriatelyacceptedthedata,basedontheapparentacceptanceofthedatabythecontractorandengineeringpersonnel.(2)thecorrectivestepsthathavebeentakenand,theresultsachieved:0TheEDGmechanicwascounselledbytheManager,MechanicalMaintenanceonthepolicyforresolutionofdataoutsideacceptancecriteria.0ACTIONReport,97-2095wasinitiatedtoresolvethespecificdatawithintheworkpackageandtoinitiatecauseinvest3.gationfornotusingtheCorrectiveActionProgramforresolutionofthedata.0TheEDGswereretestedinFebruary1998inthepresenceoftheengineanalysiscontractor.RG&EandcontractorpersonneldeterminedtheoperationalperformanceoftheEDG'stobesatisfactory.(3)thecorrectivestepsthatwillbetakentoavoidfurtherviolations:oACTXONReport97-2095resultedinaTrainingWorkRequest(TWR),whichwasinitiatedtodevelopspecifictrainingintheproperresolutionofout-of-specificationresultsfromfielddatacollection.
Page40Thistrainingwillbeprovidedforallappropriate.Maintenance'ersonnel.ThetrainingwillreviewapplicableNuclearDirectivesandInterfaceProcedures,andtheresponsibilitiesofRGEEpersonnelwhenvendorrepresentativesareinvolvedinoversightofwork.ThistrainingwillbecompletedbyOctober1,'998.0DatacollectedduringrecentEDGmaintenanceandtestingwillbereviewed.AnyanomalieswillbeenteredintotheCorrectiveActionProgramforresolution.ThisreviewwillbecompletedbyMarch31,1998.(4)thedatewhenfullcompliancewillbeachieved:FullcompliancewasachievedonDecember2,1997,whenACTIONReport97-2095waswritten,initiatingresolutionoftheunacceptabledatawithintheCorrectiveActionProgram.Verylyyours,RobertC.Mecryxc:Mr.GuyS.Vissing(MailStop14B2)ProjectDirectorateI-1DivisionofReactorProjects-I/IIOfficeofNuclearReactorRegulationU.S.NuclearRegulatoryCommissionWashington,D.C.20555RegionalAdministrator,RegionIU.S.NuclearRegulatoryCommission475AllendaleRoadKingofPrussia,PA19406U.S.NRCGinnaSeniorResidentInspector