ML11102A005: Difference between revisions

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| docket = 05000261, 05000302, 05000324, 05000325
| docket = 05000261, 05000302, 05000324, 05000325
| license number =  
| license number =  
| contact person = Saba F E
| contact person = Saba F
| package number = ML11102A004
| package number = ML11102A004
| document type = Slides and Viewgraphs
| document type = Slides and Viewgraphs

Revision as of 21:42, 10 July 2019

Progress Energy - Slides for NFPA 805 Pre-LAR Application Meeting April 12, 2011
ML11102A005
Person / Time
Site: Brunswick, Crystal River, Robinson  Duke Energy icon.png
Issue date: 04/12/2011
From: Ertman J, Heffner K, Lavin K, Miskiewicz D
Progress Energy Carolinas
To:
Office of Nuclear Reactor Regulation
Saba F
Shared Package
ML11102A004 List:
References
Download: ML11102A005 (36)


Text

NFPA 805Pre-LAR Application MeetingApril 12, 2011Jeff Ertman

-NFPA 805 Project ManagerDave Miskiewicz

-PRA Principal EngineerKelly Lavin

-Project EngineerKen Heffner

-NGG Licensing NFPA 805 Fleet Submittal ScheduleCurrent LAR Submittal Schedule:Crystal River 3 (CR3) Initial Submittal

-June 2011Robinson (RNP) Initial Submittal

-June 2011Crystal River 3 Planned Supplement

-3 rdQtr 2011Brunswick (BNP) Initial Submittal

-October 2011Robinson Planned Supplement 1

-1 stQtr 2012Brunswick Planned Supplement

-1 stQtr 2012Robinson Planned Supplement 2

-3 rdQtr 2012 2 NFPA 805 Fleet Submittal SchedulePRA Peer Review Schedule:All Internal Events Peer Reviews CompletedCR3 Fire PRA Peer Review CompletedBNP Fire PRA Peer Review

-July 2011RNP Fire PRA Peer Review

-2ndQtr 2012 3 Target Mod Completion DatesPer Current PlanCR3 -2014BNP -2014RNP -2014Individual Modifications Scheduled on a Case by Case Basis 4

Prioritization PhilosophyComplete SSA Re

-AnalysisIdentify VFDRs

-Comp Measures B-1,2,3 TablesModifications ScopeFPRANFPA 805 FPRA Application CalcFRE EEEEsRadiation ReleaseNPO FSA 5 Fleet PrioritizationNFPA 805 TransitionCrystal River 3BrunswickRobinson 6 FLEET DISCUSSION 7

Fleet FP Project GoalsImprove Safety Focus Through the Performance Based, Risk Informed ApproachAddress Industry FP IssuesOperator Manual Action (OMAs)Fire Induced Multiple Spurious Operations (MSOs)Raceway Fire Barrier Wrap (e.g. HEMYC at HNP)Establish a Common Fire Protection Program Across Fleet Advancement of Fire Protection and PRA Personnel Knowledge and Skills 8

Project Organization 9

Project PhilosophyInternal ResourcesIncreased PRA Staff (4 FTE)Increased Fire Protection Staff (4 FTE)External Resources Managed at Both Corporate and Site Level by Progress Energy Staff 10 Fleet StrengthsVFDRs are Known and Comp Measures are In PlaceAddresses MSO and OMA IssuesUse of LAR Template For Remaining PlantsIncorporation of Lessons Learned and Processes from Pilot Plants

-HNP and OconeeMany Modsat Both RNP and CR3 are Scheduled and Completed

-Not Waiting on LAR/SE 11 Fleet ChallengesMore Than Average Amount of Work Performed with Internal ResourcesResource Priority ChallengesEmergent Plant IssuesIndustry IssuesExternal ResourcesContinual Competition for These Resources

-Particularly PRA and SSA 12 Fleet Challenges HNP 805 TransitionOversight of New ProgramSelf Assessment1 stNFPA 805 Triennial Inspection (Sept)Other Triennials Inspections in 2011CR3 2 ndQuarterBNP 4thQuarterPlant Outages 13 INDIVIDUAL SITE UPDATES 14 CR3 Scope and StatusInitial SubmittalPlanned Supplement

-Potential DriversNon-Power OperationsMOV Weak Link AnalysisThermo-hydraulic AnalysisOther Open Items 15 CR3 Plant SpecificsNumber of Fire Areas

-47Projected Number of Performance Based Areas -47Fire PRAPeer Review F&Os Resolution Nearing CompletionFocused Peer Review Not RequiredFire Modeling is Used to Support PRA 16 CR3 Projected ModificationsAddress Fire Protection NFPA Code Compliance FindingsEnhance Long Standing Control Complex Ventilation System Fire Mitigation CapabilitiesImplement Additional Plant Fire Protection Barrier ModificationsImplement Circuit Modifications/Reroutes to Address Fire Induced Circuit Failures

-MSOs 17 CR3 Projected ModificationsImprove MOV Capability to Maintain Functionality During and After Fire EventsSeal/Fire Harden Existing Plant Equipment (MCCs or Breaker Cabinets) Re-Credit Previously Abandoned Raceway WrapAdd Incipient Detection Systems 18 CR3 ChallengesEPU CoordinationLARs are IndependentNFPA 805 LAR Will Describe Expected Qualitative Impact of EPU Modifications Evaluated Case by Case as They are DevelopedProcess Similar to Any Other ModBase FPRA Model Does Not Include EPU ChangesExtended Outage Due to Containment Delamination 19 CR3 Impact on SafetyNFPA 805 Performance Based Program, Including NPO, is an Improvement to the Current ProgramCurrent Issues with MOVs, Thermo

-hydraulic Analyses, Unapproved OMAs and MSOs Have Been Entered Into CAP With Appropriate Comp MeasuresOverall Plant Risk Will be QuantifiedPlant Fire Risk Evaluations Will be Complete 20 CR3 SummaryTargeting One SubmittalWill Likely Have One Supplement No Safety Impact from Extending Final Transition to Allow for More Complete AnalysisModifications Schedule Not Impacted by LAR/SE Dates 21 BNP Scope and StatusInitial SubmittalCurrent Target is One SubmittalSupplement if NeededNon-Power OperationsSpecific Open Items (Currently None Identified) 22 BNP Plant SpecificsNumber of Fire Areas

-32Projected Number of Performance Based Areas -31Fire PRAPeer Review Planned for July 2011Fire Modeling is Used to Support PRAModifications Yet to be Identified Initial Modification List Scheduled June 2011 23 BNP ChallengesDual Unit PlantMany Previously Approved III.G.3 AreasCross Unit Power SupplyInternal Resource Challenges 24 BNP Impact on SafetyNFPA 805 Performance Based Program, Including NPO, is an Improvement to the Current ProgramThe Analysis Will be Complete Approximately 5 Months After the Original SubmittalOverall Plant Risk Will be KnownPlant Fire Risk Evaluations Will be Complete 25 BNP SummaryTargeting One SubmittalMay Have One Supplement No Safety Impact 26 RNP Scope and StatusInitial SubmittalNSCA -B-2 and B-3 TablesClassical Fire Protection

-B-1 TableVFDR List Initial Modification ListPlanned Supplement 1Radiation ReleaseNon-Power OperationsPlanned Supplement 2Fire PRA ResultsMSO ResultsRecovery Action ResultsFire Risk EvaluationsFinal Modification List 27 RNP Plant SpecificsNumber of Fire Areas

-21Projected Number of Performance Based Areas -13Fire PRAFire Modeling is Used to Support PRA 28 RNP Projected ModificationsModifications CompletedBackup Instrument Air for Charging Pumps Speed ControlPressurizerPORV Electrical Isolation & Alt. Control Scheme for RWST Make

-Up to Charging PumpsModifications to IN 92

-18 MOVs (both Hot and Cold Shutdown Credited Valves)Replacement of HemycFire Barrier WrapElectrical Isolation for EDG Local Test CircuitsIsolation Relays for Emergency Electrical Buses BreakersRerouting of ERFIS Cables to Protect Safe Shutdown EquipmentAuto Reload of Battery Chargers on a LOOPInstallation of Fire Walls Between Main Trans., Aux Trans.

And Turbine Building 29 RNP Projected ModificationsModifications PendingKey Locked Isolation Switch in Control Room to Isolate DC Electrical Power to Key Auxiliary Panels Auto Start/Auto Load of Dedicated Shutdown Diesel Generator on Loss of All AC PowerLCV-115C (Volume Control Tank Outlet) Power Cable RerouteProtect Steam Generator Wide Range Level IndicationProtect Steam Isolation Valve CircuitsAlternate RCP Seal Injection Study (Potential Mod)30 RNP ChallengesCable Spread Room and Switchgear RoomFire Modeling in Support of PRA is Being Developed in These AreasFire PRA Completion

-Methods NeededEPRI Developing Method for CabinetsArea Wide Incipient Detection Use Cable Coating Treatment Being UpdatedIncorporate Lessons Learned 31 RNP ChallengesFire Induced Control Load Shed Original Licensing Basis Requirement for the Safe Shutdown StrategyFire Induced Control Load Shed StatusRevised SSA Analysis (In Progress)Included Deterministic Offsite Power Analysis to Reduce Reliance on this StrategyFurther Reduction May be Possible Based on the PRA Insights Gained from NFPA

-805 32 RNP Impact on SafetyFor RNP's Initial LAR Submittal VFDRs Will be DevelopedOverall Methodology Will be DescribedFire PRA and Fire Modeling Will be Completed to the Original Fleet ScheduleModifications Schedule Not Impacted 33 RNP SummaryInitial Submittal with 2 Planned SupplementsNo Safety ImpactModifications Schedule Not Impacted by LAR/SE Dates 34 SummaryCR3 June 29thSubmittalNear Term SupplementBNP October 17thSubmittalPotential Near Term SupplementRNP June 29thInitial Submittal2 Planned SupplementsMonitoring NRC Approval of Staggered Approach 35 AcronymsFPRA -Fire Probabilistic Risk AssessmentFRE -Fire Risk EvaluationFSA -Fire Safety AnalysisVFDR -Variance From Deterministic Requirements EEEE -Existing Engineering Equivalency EvaluationsFTE -Full Time EquivalentNPO -Non-Power OperationsPORV -Power Operated Relief ValveRWST -Refueling Water Storage TankLOOP -Loss of Offsite PowerERFIS -Emergency Response Facility Information SystemEDG -Emergency Diesel GeneratorRCP -Reactor Coolant PumpEPU -Extended Power UprateF&O -Findings and ObservationsMOV -Motor Operated ValveMSO -Multiple Spurious Operations 36