ML12102A043

04/4/2012 Omaha Public Power District Public Meeting (0350)

ML12102A043
Person / Time
Site:	Fort Calhoun
Issue date:	04/04/2012
From:	Omaha Public Power District
To:	NRC/RGN-IV/DRP
References
Download: ML12102A043 (70)

Text

4/6/2012Fort Calhoun Station Public Meeting with the Nuclear Regulatory Commission April 4, 2012 DAVIDBANNISTER OPENINGREMARKSFortCalhounStation VicePresident&ChiefNuclearOfficer 4/6/2012 PerformanceInitiatives*IntegratedPerformanceImprovementPlan*PlantStatus*In depthReviews*Look Ahead 4/6/2012 RONSHORTINTEGRATEDPERFORMANCEIMPROVEMENTPLANSTATUSFortCalhounStationRecoveryManager 4/6/2012 4/6/2012IntegratedPerformanceImprovementPlan 4/6/2012 4/6/2012 Systematicapproachtoperformanceimprovement-fourphases 4/6/2012AnalysisEvaluatesignificanceandtrendsIdentifyfundamentalperformancedeficienciesImplementcorrectiveaction FlooddamagerepaircompleteFloodinglessonslearnedincludedinplantproceduresRemainingissuesaddedtoIPIP 4/6/2012

• 4160/480voltAC*125voltDC/EmergencyBatteries*HighPressureSafetyInjection 4/6/2012

• Selectionbasedonnuclearsafetysignificance

• Sixkeyattributesaddressed-Design-EquipmentPerformance

-ConfigurationControl-ProcedureQuality-HumanPerformance

-EmergencyResponseOrganizationReadiness 4/6/2012

• Reviewofprocessesforfindingandfixingproblems*Tenassessmentareas-Auditsandoversight-HistoricalDataReviewandtrending 4/6/2012

• Areasoffocus:-Survey-Interviews:One on oneandfocusgroups-Observationsanddocumentreviews*Conductedbyrecognizedexperts*ResultsdiscussedwithNRCandatafuturepublicmeeting 4/6/2012

• ScopeResolutionofdesignandprogramissues:-Vendormanuals-Equipmentservicelife-Degraded/nonconformingconditions

-Vendordesignchanges 4/6/2012 Summary*IntegratedImprovementplanestablished

• Staffingandresourcesinplace*Workhasbegun*Progressisbeingmade 4/6/2012 WOODYGOODELLCORRECTIVEACTIONPROGRAMFortCalhounStation DivisionManager 4/6/2012

• ImprovedCAPcultureKeytoStationimprovementComprehensiveprogramimprovementTrainingbeingcompleted 4/6/2012 4/6/2012*Enhancedmanagementinvolvement

• Reinforcingbehaviors*Multidisciplinaryscreeningteam*Establishednewpositions 4/6/2012*SafetyCultureAssessmentwillrefineactions*Behavioralchangestaketime*Seeingimprovements

• Futurestate MIKEPROSPERO PLANTSTATUSFortCalhounStationPlantManager 4/6/2012 21 4/6/2012 June2011March2012August2011August2011 PlantStatus 4/6/2012 June2011March2012 LookingDowntheAccessRoadtowardsthePlant PlantStatus 4/6/2012 June2011March2012ViewofPlantfromAccessBridge PlantStatus 4/6/2012 June2011March2012WalkwayExitingthePlant PlantStatus 4/6/2012 June2011March2012ViewofRiverfromPlant PlantStatus 4/6/2012 FloodCleanupActivities PlantStatus*Plantincoldshutdown*Safecondition*Maintenanceandtestingactivitiesinprogress 4/6/2012 PlantStatus*MeteorologicalTower-Outofserviceduetoflooding-ReceivedweatherinformationfromothersourcesOperational 4/6/2012 PlantStatus*Electrical equipment restorationFire damaged electrical equipment repairedTestedRe-energizedReturned to normal electrical alignment 4/6/2012RestoredSwitchgear1B4A LessonsLearnedProceduralGuidanceUpgraded FORTCALHOUNSTATIONFCSG 63,"EstablishingIncidentCommand"implementedFCSG 64,"ExternalFloodingofSite"implemented OMAHAPUBLICPOWERDISTRICTBusinessContinuityPlanupdatedtoincorporatelessonslearned LessonsLearned AbnormalOperatingProcedureEnhancedAOP 01,"ActsofNature"updatedwithenhancedfloodingactions.

LessonsLearnedEPIPTSC 2,"CatastrophicFloodingPreparations"updated LessonsLearned ACPowerReliabilityReEvaluatedbasedonFloodingEventLengthNewmethodtotransferdieselfuelduringflooding LessonsLearned BuildingandFloorPenetrationsSealedandCertifiedApproximately375penetrations(electricalconduit,pipingruns,etc.)weresealedandcertified LessonsLearned BelowGroundSurveysConductedNosignificantimpactsidentified todate FloodReadinessIntakestructure*Evaluatingequipmentclassification

• Changedoperatingprocedures

• Actionsneededtoprotectthesluicegatesandmotoroperatedvalvesfromriverdebrisduringaflood*Interimcompensatorymeasures 4/6/2012 PlantStatus PublicWarningSirens*101Sirens*SeverallostpowerduringfloodSirensoperable*RecentSirenOutage NRCInspectionReadiness*Actionstoimproveinspectionreadiness-Detailedselfassessments 4/6/2012 NRCInspectionReadiness*Actionstoimproveinspectionreadiness-Seniormanagementledchallengeboards 4/6/2012

• TriennialFireProtectionInspectionConductedLastWeek*Firstoftwoweeksofinspection(willbebackApril9 th)*WorkingonitemsidentifiedNRCInspectionReadiness 4/6/2012 NRCInspectionReadiness*EmergencyPlanningInspectionConductedLastWeekEvaluatedExercisewithStatesandCounties 4/6/2012"TheNuclearRegulatoryCommissionconcludedthattheoverallEmergencyPlanningOrganizationperformancecontinuedtoprovideconfidenceinFortCalhoun'sabilitytoimplementthemajorelementsoftheemergencyplanandprotectthehealthandsafetyofthepublic."SeniorInspector,NRCRegionIV JOHNHERMANELECTRICALFIREFortCalhounStation DivisionManagerEngineering 4/6/2012 480VoltLoadCenter 4/6/2012 480VoltLoadCenter 4/6/2012 LoadCenterwithBreaker 4/6/2012 Event*June7,2011-Electricalfaultcausedafirein480voltloadcenter1B4A-Firedamagerequiredcompletereplacementofloadcenter1B4A-Nootherloadcentersweredamagedbythefire 4/6/2012 Event*Sootfromthefirecausedsupplybreaker1B3Atotriponovercurrent-Breakerwasresetandpowerrestoredto1B3A-Therewasnodamagetoloadcenter1B3A 4/6/2012 Priorities

• Safety*Quality*Timeliness 4/6/2012 4/6/2012 LookingDowntheAccessRoadtowardsthePlantElevatedWalkwaystogetaroundplant ResponseActivities

• FireoccurredonTuesday,June7,2011*AforensicengineeringcompanywasonsitetobeginfireinvestigationbyFriday*Demolitionworkcouldnotbeginuntilfireinvestigationwascomplete 4/6/2012 ResponseActivities

• Replacementelectricalequipmenthadtobecustombuilttofittheexistingequipment*Twooptionsconsidered:

-Buildtheentireloadcenteroffsite-Rebuildinplaceonesite 4/6/2012 Duetoflooding,materialstorebuildonsitehadtobebroughtinviabarge ResponseActivities

• Workhadtobeperformedinseriestoensurenomorethanoneadditionalloadcenterwasremovedatatime*Engineeringdesignpackage*1B3Arootcauseanalysis 4/6/2012 ResponseTimeline*6/7/11Fireevent*6/10/11Engineeringworkstarted*7/23/11Demolitionandreconstructionworkstarted*8/29/11Floodlevelbelow1004'msl-siterecoverystarted*9/12/11Rootcauseanalysisforfirecompleted*10/27/11Reconstructionworkfinished*12/9/11Extentofconditionworkcompleted*2/17/12Engineeringworkcompleted*3/5/121B4Aloadcenterenergizedfortesting 4/6/2012 LessonsLearned*Followingthefire,theFortCalhounStation:-Actedpromptlytoinvestigatethefire-Determinedthecause-Begantheengineeringwork-Procurenewelectricalequipment 4/6/2012 LessonsLearned*TimelycompletionofEOCwork*Timelycompletionofdesignpackage*Appropriateresourcesallocated 4/6/2012 RootCauseAnalysisTerminology

• DirectCause-thephysicalconditionthatcreatedthefailure*RootCause thesituationthatallowedthephysicalconditiontoexist,ifcorrectedwouldhavepreventedtheeventfromoccurring 4/6/2012 RootCauseAnalysisTerminology

• ContributingCause-increasesthelikelinessorseverityofanoccurrence*ExtentofCondition-describesotherequipmentthatcouldhavethesamephysicalconditionthatledtothefailure*ExtentofCause-describeshowtherootcausecouldimpactotherequipmentandprocesses 4/6/2012 CurrentRootCauseAnalysis*Directcauseofthefireinloadcenter1B4A-Highresistanceelectricalconnectionfailed*Directcauseofthe1B3Abreakertrip-Overcurrentcondition 4/6/2012CircuitBreakerFinger&Stab Bus tiebreakerand1B3Asupplybreakerbothtripped 4/6/2012 480VoltLoadCenter 4/6/2012 1B3ABreaker*Thetwobreakerswereremovedfromtheplantandtestedtogetheratthetestingfacility 4/6/2012 1B3ABreakerJumper 4/6/2012 1B3ABreaker*Designchangeproceduresdonotprovideguidancetoevaluatetheimpactofunuseddesignfeatures*Trainingnotprovidedonuniquefeaturesofnewequipment 4/6/2012 CorrectiveActions*Demolitionandclean upafterthefire*Fabricationandreconstructionof1B4A*Extentofconditioninvestigationsandrepairsonother480VACcircuitbreakers*Removehardenedgrease 4/6/2012 CorrectiveActions 4/6/2012 CorrectiveActionsProcedureswerechangedtoincludespecificguidanceonidentifyingcriticalcharacteristicsExpandedtherequirementsforresearchingoperatingexperienceduringdesignprocessMoredetailedinstructionsforcleaningbreakerstabs 4/6/2012 CorrectiveActionsReviewofinprogressmodificationsReviewofpreviouslycompletedmodifications(inprogress)Newthermographyprocedureforinvestigatingunusual"odors"Qualityauditofequipmentsupplier 4/6/2012 CorrectiveActionsVerifiedotherjumpersinstalledcorrectlyIdentifiedotherequipmentsuppliedby samevendor 4/6/2012 4/6/2012 DAVIDBANNISTERLOOKAHEADANDCLOSINGREMARKSFortCalhounStation VicePresident&ChiefNuclearOfficer 4/6/2012