NUREG/CR-6850, Volume 1 - NRC

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Overview of the Fire PRA MethodologyTASK 1:Plant Boundary & PartitioningTASK 2:Fire PRA Component SelectionTASK 3:Fire PRA Cable SelectionSUPPORT TASK A:Plant Walk DownsTASK 4:Qualitative ScreeningTASK 5:Fire-Induced Risk ModelTASK 6:Fire Ignition FrequenciesSUPPORT TASK B:Fire PRA DatabaseTASK 7A:Quantitative Screening - ITASK 12A:Post-Fire HRA: ScreeningTASK 8:Scoping Fire ModelingNewTASK 7B:Quantitative Screening - IIBSignificant changeModerate changeFigure 2-1Overview of the Fire PRA Process2-2
Overview of the Fire PRA MethodologyBDetailed Fire Scenario AnalysisTASK 9:Detailed Circuit Failure AnalysisTASK 10:Circuit Failure Mode & LikelihoodAnalysisTASK 11:Detailed Fire ModelingA. Single CompartmentB. Multi-CompartmentC. Main Control RoomTASK 13:Seismic-Fire InteractionsTASK 14:Fire Risk QuantificationTASK 12B:Post fire HRA: Detailed & recoveryNewTASK 15:Uncertainty & Sensitivity AnalysesSignificant changeModerate changeTASK 16:Fire PRA DocumentationFigure 2-1Overview of the Fire PRA Process (Continued)2-3
Page 1: EPRI 1011989NUREG/CR-6850Final Repo
Page 5: CITATIONSThis report was prepared b
Page 9 and 10: CONTENTS1 INTRODUCTION ............
Page 11: LIST OF FIGURESFigure 1 Overview of
Page 15 and 16: PREFACEThis report is presented in
Page 17: BDetailed Fire Scenario AnalysisTAS
Page 21: ACKNOWLEDGMENTSThis work benefited
Page 24 and 25: CWPEDGEFEIEOPEPREPRIFEDBFEPFHACircu
Page 26 and 27: NPPNPSHNQ cableNRCP&IDPEPMPMMAPORVP
Page 29 and 30: 1INTRODUCTION1.1 BackgroundOver the
Page 31 and 32: IntroductionNote that this report d
Page 33 and 34: IntroductionDevelopment Teams then
Page 35 and 36: IntroductionThe fire risk analysis
Page 37: Introduction1.6 Report StructureThi
Page 42 and 43: Overview of the Fire PRA Methodolog
Page 50 and 51: Conclusions and Closing Remarksconf
Page 52 and 53: Conclusions and Closing RemarksFutu
Page 54 and 55: Conclusions and Closing Remarks•
Page 56 and 57: Conclusions and Closing RemarksThe
Page 58 and 59: Conclusions and Closing Remarks3.3.
Page 60 and 61: Conclusions and Closing Remarks3.4
Page 62 and 63: Conclusions and Closing Remarks•
Page 64 and 65: Conclusions and Closing Remarks3.6
Page 67: Printed on recycled paperFederal Re

NUREG/CR-6850, Volume 1 - NRC

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