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| {{#Wiki_filter:Fleet Fire Protection ProgramgNFPA 805National Fire Protection AssociationNFPA 805 Pre-LAR Application for CNS, MNS, RNPJefferyErtmanDavidGoforth-NFPA805ProjectManagersJeffery Ertman, David Goforth -NFPA 805 Project ManagersApril 18, 2013 Agenda*NFPA 805 Transition Project Overviewj*License Amendment Request Overview*Fire PRA Overview2 Participants*Jeffery Ertman-NFPA 805 Project ManagerDidGfthNFPA805PjtM*David Goforth -NFPA 805 Project Manager*Donna Alexander -Manager Fleet Regulatory Affairs*BobRishel-PRAManagerBob Rishel PRA Manager*Jeff Robertson -Manager Regulatory Affairs*Julius Bryant -Regulatory Affairs ygy*Sarah Chisholm -PRA Engineer*Kelly Lavin -Site Technical Lead*Al Maysam -Regulatory Affairs *Jamie McCrory -PRA EngineerBdiWPRAEi*Brandi Weaver -PRA Engineer 3 Acronyms*AFW -Alternate Feed Water*CNS-CatawbaNuclearStation*MNS -McGuire Nuclear Station*MOV-MotorOperatedValveCNS Catawba Nuclear Station*CPT -Control Power Transformer*CSR -Cable Spreading Room*FAQ -Frequently Asked QuestionMOV Motor Operated Valve*NEI -Nuclear Energy Institute*NRC -Nuclear Regulatory Commission*OE -Operating Experience*FPRA -Fire Probabilistic Risk Assessment*FRE -Fire Risk Evaluation*FSA -Fire Safety AnalysisF&OFtdObti*PORV -Power Operated Relief Valve*RAI -Request for Additional Information*RCP -Reactor Coolant PumpRNPRbiNlPlt*F&O -Facts and Observations*HEAF -High Energy Arcing Fault*HRR -Heat Release Rate*LAR-LicenseAmendmentRequest*RNP -Robinson Nuclear Plant*SSA -Safe Shutdown Analysis*TDEFWP -Turbine Driven Emergency FeedwaterPumpLAR License Amendment Request*LERF -Large Early Release Frequency*LOOP -Loss of Offsite Power*UAM -Un-reviewed Analytical Method*VFDR -Variance From Deterministic Requirements4 Fleet Transition to NFPA 805MilestonesCNSMNSRNPLAR09/30/201309/30/201309/30/2013SafetyEvaluation09/30/201509/30/201509/30/2015NFPA 805 Program Implementation03/31/201603/31/201603/31/20165 LAR Document Submittal*Using Current Industry LAR Template-NEI Incorporating Generic RAIs*Incorporating Lessons Learned-Current Generic RAIs-Current Industry NFPA 805 LAR Submittals and RAIsInternalOEfrompreviousplantsubmittalsreviewsand-Internal OE from previous plant submittals, reviews, and implementation6 Catawba Nuclear Station7 Catawba Project Status*Traditional Fire Protection Elements -AttachmentL-NFPA805Chapter3RequirementsforApprovalAttachment L NFPA 805 Chapter 3 Requirements for Approval (10CFR50.48(c)(2)(vii)*Approval for existing wiring above the control room ceiling*ReactorCoolantPumpOilMistingReactor Coolant Pump Oil Misting-No Attachment T requests -Clarification of Prior NRC Approvals*FRE statusfl-FPRA Quantification Complete*CNS meets the requirements of acceptability for RG-1.174-Defense-in-Depth actions in review-Recovery Action*Local Trip of Reactor Coolant Pumps*Local throttling of Emergency FeedwaterFlow8 Catawba Project Status (continued)*LAR development started*Proposed Modifications -Breaker Coordination modifications-Inverter cable re-route-VCT Outlet Valve spurious closure issue resolved by modificationmodification-Additional modifications may result from FRE DID review or Chapter 3 required systems code review*Completed Modifications-4 Breaker Coordination modifications9 Catawba PRA*InternalEventsInternal Events-NEI 00-02 Internal Events Peer Review March 2002-Internal Gap Assessment to ASME/ANS PRA Standard as endorsed by RG 1.200*Performed in 2008*PerformedtoRG1200Revision1*Performed to RG 1.200 Revision 1-LAR technical adequacy statement will address any deltas to RG 1.200 Revision 2FocusedLERFPeerReviewinDecember2012(NEI0504)-Focused LERF Peer Review in December 2012 (NEI 05-04)-F&Os from these reviews will be dispositionedin the LAR for Fire PRA impact 10 Catawba Fire PRA*Full Scope Peer Review in 2010*F&Os will be addressed in LAR*NR/CR-6850/ EPRI 108239 methods used*Fire Modeling methods per NR/CR-6850/ EPRI 108239 *Removed credit for electrical cabinet treatment refinement*Well sealed Motor Control Centers11 CNS Deviations from NRC-Accepted FPRA MethodsMethods*Credit for administrative controls (transients)*Credit for hot short duration failure probabilities for DC circuits12 Catawba Fire PRA SensitivitiesSensitivityFPRA CDF/LERFVFDR RiskCredit for Admin Controls (Transients)YesYesIgnition Frequency (FAQ-48)YesYesHot Short Duration (DC)YesNo11) It is not practical to vary the hot short duration credit for the deterministic variant and deterministic compliant case for each fire area; however, the impact on VFDR Risk may be estimated from the overall impact on FPRA CDF/LERF and the scope of VFDRs.13 Catawba Project Summary*NUREG-0800 non-compliances identified-Compensatory actions implemented as needed*NRC Fire Protection Triennial Inspection-Scheduled for April 2013 14 McGuire Nuclear Station15 McGuire Project Status*Traditional Fire Protection Elements-AttachmentL-NFPA805Chapter3RequirementsforApprovalAttachment L NFPA 805 Chapter 3 Requirements for Approval (10CFR50.48(c)(2)(vii)*Approval for existing wiring above the control room ceiling*Reactor Coolant Pump Oil Misting-No Attachment T requests -Clarification of Prior NRC Approvals*FRE status-FPRA Quantification CompleteFPRAQuantificationComplete*MNS meets the requirements of acceptability for RG-1.174-FRE Defense-in-Depth review complete-Recovery Actiony*Local Trip of Reactor Coolant Pumps*Local throttling of Emergency FeedwaterFlow*Local operation of the PressurizerHeaters16 McGuire Project Status (continued)*LAR development in progress*Proposed Modifications-Eliminate spurious operation of TDEFWP Suction Valve-Modify condensate drain from containment to improve overall LERF*CompletedModifications*Completed Modifications-Current Transformer Modification-PressurizerHeaterModificationPressurizerHeater Modification17 McGuire PRA*InternalEventsInternal Events-NEI 00-02 Internal Events Peer Review October 2000-Internal Gap Assessment to ASME/ANS PRA standard as endorsed by RG 1.200*Performed in 2008*PerformedtoRG1200Revision1*Performed to RG 1.200 Revision 1-LAR technical adequacy statement will address any deltas to RG 1.200 Revision 2FocusedLERFPeerReviewinDecember2012(NEI0504)-Focused LERF Peer Review in December 2012 (NEI 05-04)-F&Os from these reviews will be dispositionedin the LAR for fire PRA impact18 McGuire Fire PRA*Full Scope Peer Review in 2009*F&Os will be addressed in LAR*NR/CR-6850/ EPRI 108239 methods used*Fire Modeling methods per NR/CR-6850/ EPRI 108239 *Removed credit for electrical cabinet treatment refinement*Well sealed Motor Control Centers19 MNS Deviations from NRC-Accepted FPRA MethodsMethods*Credit for hot short duration failure probabilities for DCiiDC circuits20 McGuire Fire PRA SensitivitiesSensitivityFPRA CDF/LERFVFDR RiskHot Short Duration (DC)YesNo1()Ignition Frequency (FAQ-48)YesYes1) It is not practical to vary the hot short duration credit for the deterministic variant and deterministic compliant case for each fire area; however, the impact on VFDR Risk may be estimated from the overall impact on FPRA CDF/LERF and the scope of VFDRs.21 McGuire Project Summary*Appendix R non-compliances identified -Compensatory actions implemented as needed*Completed NRC Fire Protection Triennial Inspection-February 2013-No significant findings22 Robinson Nuclear Plant23 Robinson Project Status*Traditional Fire protection Elements-AttachmentL-NFPA805Chapter3RequirementsforApprovalAttachment L -NFPA 805 Chapter 3 Requirements for Approval (10CFR50.48(c)(2)(vii)*Approval for existing wiring above control room ceiling-No Attachment T requests -Clarification of Prior NRC Approvalsqpp*FSA development starting in late April-FRE is performed as part of FSA development-Defense-in-Depthactionsinreview-Defense-in-Depth actions in review-FPRA Quantification Revision in Process*RNP meets the requirements of acceptability for RG-1.174*LARDevelopmentStartinginMay*LAR Development Starting in May*Modifications-Potential Modifications Identified-Final Scope After Fire PRA and FSAs are Completed24 Robinson Proposed Modifications*Incipient Detection*Protect MOVs from IN 92-18 Hot Short Failure*Electrically Coordinate Power Supplies*HEAF mitigation modification in E1/E2 Switchgear room*Protect Shutdown Valves*Credit 4thTrain of AFW*Credit Westinghouse RCP Shutdown Seal*Credit the Diesel Generators on the DeepwellPumps25 Robinson Completed ModificationsAuto Start/Auto Load of Dedicated Shutdown Diesel Generator on Loss of All AC Power Auto Reload of Battery Chargers on a LOOPBackup Instrument Air for Charging Pumps Speed Control PressurizerPORV & Charging Pump Make-up ModificationggppReplacement of HemycFire Barrier Wrap Emergency Lighting Modifications Evaluation and Modifications of the MOVs for IN92-18Installation of Fire Walls Between Transformers and Between Transformers And Turbine BuildingKey Locked Isolation Switch in Control Room to Isolate DC Electrical Power to Key yyAuxiliary Panels Protect the E-Bus Incoming Line Breakers from Spurious Operations for a Postulated Fire in the Turbine Bldg. Cable Rerouting to Protect Safe Shutdown Equipment26 Robinson PRA*Internal Events-Full Scope ASME/ANS PRA Standard Peer Review in October 2009-F&OswillbedispositionedintheLARforfirePRAimpact-F&Os will be dispositionedin the LAR for fire PRA impact 27 Robinson Fire PRA Overview*Full Scope Peer Review in 2013*F&Os being addressed in FPRA revision-Documented in LAR*NR/CR-6850/ EPRI 108239 methods used28 Robinson Fire PRA Overview (Continued)(Continued)*Credit taken for Flame Retardant Coatingg-IntumasticInstalled on Thermoplastic Cable*Unit 2 Cable Spread Room (CSR)/2Sih*E1/E2 Switchgear Room*Incipient DetectionInCabinetInstallationCreditperFAQ080046-In-Cabinet Installation -Credit per FAQ 08-0046*Main Control Boards*I & C Racks*Safeguards Cabinets-Area Wide -Normal Detection Credit*Unit2CableSpreadRoom*Unit 2 Cable Spread Room29 RNP Deviations from NRC-Accepted FPRAMethodsFPRA Methods*For closed-cabinet MCCs:-A severity factor of 0.1 is applied, where 90% of fires are contained within the MCC-HRRseverityfactorsaretreatedindependentlysimilarto-HRR severity factors are treated independently, similar to other cabinets-Method was used to Address RAI 5-32 for the HNP NFPA 805 Application*BNP LAR Audit RAIs under evaluation for applicability tRNPat RNP30 Robinson Fire PRA SensitivitiesSensitivityFPRA CDF/LERFVFDR RiskCPT credit for spurious failuresYesYesIitiF(FAQ48)YYIgnition Frequency (FAQ-48)YesYesIncipient Detection (FAQ-46)YesYes31 Robinson PRA Considerations*Re-evaluate treatment of 480V Switchgear-Amptectorsare used at RNP on E1/E2 Switchgears-Reviewing HEAF data for 480V SwitchgearNotagenericisse-Not a generic issue32 Robinson Project Summary*Developing committed modifications final scope and hdlischeduling*Appendix R non-compliances identified lddd-Compensatory actions implemented as needed*Completed NRC Fire Protection Triennial InspectionNb2012-November 2012-No significant findings33 Questions34 | | {{#Wiki_filter:Fleet Fire Protection Pro gram gNFPA 805National Fire Protection AssociationNFPA 805 Pre-LAR Application for CNS, MNS, RNPJefferyErtmanDavidGoforth |
| }} | | -NFPA805ProjectManagersJeffery Ertman , David Goforth -NFPA 805 Project ManagersApril 18, 2013 Agenda*NFPA 805 Transition Pro ject Overview j*License Amendment Request Overview |
| | *Fire PRA Overview 2 |
| | Participants |
| | *Jeffery Ertman-NFPA 805 Project ManagerDidGfthNFPA805PjtM |
| | *D av id G o f or th -NFPA 805 P ro j ec t Manager*Donna Alexander -Manager Fleet Regulatory Affairs |
| | *BobRishel-PRAManager Bob Rishel PRA Manager*Jeff Robertson -Manager Regulatory Affairs |
| | *Julius Br yant -Re gulator y Affairs y gy*Sarah Chisholm -PRA Engineer |
| | *Kelly Lavin -Site Technical Lead |
| | *Al Maysam |
| | -Regulatory Affairs |
| | *Jamie McCrory -PRA EngineerBdiWPRAEi*Bran di Weaver -PRA E ng i neer 3 Acronyms*AFW -Alternate Feed Water |
| | *CNS-CatawbaNuclearStation |
| | *MNS -McGuire Nuclear Station |
| | *MOV-MotorOperatedValve CNS Catawba Nuclear Station*CPT -Control Power Transformer |
| | *CSR -Cable Spreading Room |
| | *FAQ -Frequently Asked QuestionMOV Motor Operated Valve*NEI -Nuclear Energy Institute |
| | *NRC -Nuclear Regulatory Commission |
| | *OE -Operating Experience |
| | *FPRA -Fire Probabilistic Risk Assessment |
| | *FRE -Fire Risk Evaluation |
| | *FSA -Fire Safety Analysis F&OFtdObti*PORV -Power Operated Relief Valve |
| | *RAI -Request for Additional Information |
| | *RCP -Reactor Coolant Pump RNPRbiNlPlt*F&O -F ac t s an d Observa ti ons*HEAF -High Energy Arcing Fault |
| | *HRR -Heat Release Rate |
| | *LAR-LicenseAmendmentRequest |
| | *RNP -R o bi nson N uc l ear Pl an t*SSA -Safe Shutdown Analysis |
| | *TDEFWP -Turbine Driven Emergency FeedwaterPump LAR License Amendment Request*LERF -Large Early Release Frequency |
| | *LOOP -Loss of Offsite Power |
| | *UAM -Un-reviewed Analytical Method |
| | *VFDR -Variance From Deterministic Requirements 4 |
| | Fleet Transition to NFPA 805MilestonesCNSMNSRNP LAR09/30/201309/30/201309/30/2013SafetyEvaluation09/30/201509/30/201509/30/2015NFPA 805 Program Implementation03/31/201603/31/201603/31/2016 5 |
| | LAR Document Submittal |
| | *Using Current Industry LAR Template |
| | -NEI Incorporating Generic RAIs |
| | *Incorporating Lessons Learned |
| | -Current Generic RAIs |
| | -Current Industry NFPA 805 LAR Submittals and RAIsInternalOEfrompreviousplantsubmittalsreviewsand |
| | -Internal OE from previous plant submittals , reviews , and implementation 6 |
| | Catawba Nuclear Station 7 |
| | Catawba Project Status |
| | *Traditional Fire Protection Elements |
| | -AttachmentL |
| | -NFPA805Chapter3RequirementsforApprovalAttachment L NFPA 805 Chapter 3 Requirements for Approval (10CFR50.48(c)(2)(vii) |
| | *Approval for existing wiring above the control room ceiling |
| | *ReactorCoolantPumpOilMistingReactor Coolant Pump Oil Misting-No Attachment T requests -Clarification of Prior NRC Approvals |
| | *FRE status fl-FPRA Quanti fication Comp lete*CNS meets the requirements of acceptability for RG-1.174 |
| | -Defense-in-Depth actions in review |
| | -Recovery Action |
| | *Local Trip of Reactor Coolant Pumps |
| | *Local throttling of Emergency FeedwaterFlow 8 |
| | Catawba Project Status (continued) |
| | *LAR development started |
| | *Proposed Modifications |
| | -Breaker Coordination modifications |
| | -Inverter cable re-route |
| | -VCT Outlet Valve spurious closure issue resolved by modificationmodification |
| | -Additional modifications may result from FRE DID review or Chapter 3 required systems code review |
| | *Completed Modifications |
| | -4 Breaker Coordination modifications 9 |
| | Catawba PRA |
| | *InternalEventsInternal Events-NEI 00-02 Internal Events Peer Review March 2002 |
| | -Internal Gap Assessment to ASME/ANS PRA Standard as endorsed by RG 1.200 |
| | *Performed in 2008 |
| | *PerformedtoRG1200Revision1 |
| | *Performed to RG 1.200 Revision 1-LAR technical adequacy statement will address any deltas to RG 1.200 Revision 2FocusedLERFPeerReviewinDecember2012(NEI05 04)-Focused LERF Peer Review in December 2012 (NEI 05-04)-F&Os from these reviews will be dispositionedin the LAR for Fire PRA impact 10 Catawba Fire PRA |
| | *Full Scope Peer Review in 2010 |
| | *F&Os will be addressed in LAR |
| | *NR/CR-6850/ EPRI 108239 methods used |
| | *Fire Modeling methods per NR/CR-6850/ EPRI 108239 *Removed credit for electrical cabinet treatment refinement |
| | *Well sealed Motor Control Centers 11 CNS Deviations from NRC-Accepted FPRA MethodsMethods*Credit for administrative controls (transients) |
| | *Credit for hot short duration failure probabilities for DC circuits 12 Catawba Fire PRA SensitivitiesSensitivityFPRA CDF/LERFVFDR RiskCredit for Admin Controls (Transients)YesYesIgnition Frequency (FAQ-48)YesYesHot Short Duration (DC)YesNo |
| | : 11) It is not practical to vary the hot short duration credit for the deterministic variant and deterministic compliant case for each fire area; however, the impact on VFDR Risk may be estimated from the overall impact on FPRA CDF/LERF and the scope of VFDRs. |
| | 13 Catawba Project Summary |
| | *NUREG-0800 non-compliances identified |
| | -Compensatory actions implemented as needed |
| | *NRC Fire Protection Triennial Inspection |
| | -Scheduled for April 2013 14 McGuire Nuclear Station 15 McGuire Project Status |
| | *Traditional Fire Protection Elements |
| | -AttachmentL |
| | -NFPA805Chapter3RequirementsforApprovalAttachment L NFPA 805 Chapter 3 Requirements for Approval (10CFR50.48(c)(2)(vii) |
| | *Approval for existing wiring above the control room ceiling |
| | *Reactor Coolant Pump Oil Misting |
| | -No Attachment T requests -Clarification of Prior NRC Approvals |
| | *FRE status |
| | -FPRA Quantification CompleteFPRAQuantificationComplete |
| | *MNS meets the requirements of acceptability for RG-1.174 |
| | -FRE Defense-in-Depth review complete |
| | -Recover y Action y*Local Trip of Reactor Coolant Pumps |
| | *Local throttling of Emergency FeedwaterFlow |
| | *Local operation of the PressurizerHeaters 16 McGuire Project Status (continued) |
| | *LAR development in progress |
| | *Proposed Modifications |
| | -Eliminate spurious operation of TDEFWP Suction Valve |
| | -Modify condensate drain from containment to improve overall LERF |
| | *CompletedModifications |
| | *Completed Modifications |
| | -Current Transformer Modification |
| | -PressurizerHeaterModificationPressurizerHeater Modification 17 McGuire PRA |
| | *InternalEventsInternal Events-NEI 00-02 Internal Events Peer Review October 2000 |
| | -Internal Gap Assessment to ASME/ANS PRA standard as endorsed by RG 1.200 |
| | *Performed in 2008 |
| | *PerformedtoRG1200Revision1 |
| | *Performed to RG 1.200 Revision 1-LAR technical adequacy statement will address any deltas to RG 1.200 Revision 2FocusedLERFPeerReviewinDecember2012(NEI05 04)-Focused LERF Peer Review in December 2012 (NEI 05-04)-F&Os from these reviews will be dispositionedin the LAR for fire PRA impact 18 McGuire Fire PRA |
| | *Full Scope Peer Review in 2009 |
| | *F&Os will be addressed in LAR |
| | *NR/CR-6850/ EPRI 108239 methods used |
| | *Fire Modeling methods per NR/CR-6850/ EPRI 108239 *Removed credit for electrical cabinet treatment refinement |
| | *Well sealed Motor Control Centers 19 MNS Deviations from NRC-Accepted FPRA MethodsMethods*Credit for hot short duration failure probabilities for DCii DC c ircu i ts 20 McGuire Fire PRA SensitivitiesSensitivityFPRA CDF/LERFVFDR RiskHot Short Duration (DC)YesNo 1 ()Ignition Frequency (FAQ-48)YesYes1) It is not practical to vary the hot short duration credit for the deterministic variant and deterministic compliant case for each fire area; however, the impact on VFDR Risk may be estimated from the overall impact on FPRA CDF/LERF and the scope of VFDRs. |
| | 21 McGuire Project Summary |
| | *Appendix R non-compliances identified |
| | -Compensatory actions implemented as needed |
| | *Completed NRC Fire Protection Triennial Inspection |
| | -February 2013 |
| | -No significant findings 22 Robinson Nuclear Plant 23 Robinson Project Status |
| | *Traditional Fire protection Elements |
| | -AttachmentL |
| | -NFPA805Chapter3RequirementsforApprovalAttachment L -NFPA 805 Chapter 3 Requirements for Approval (10CFR50.48(c)(2)(vii) |
| | *Approval for existing wiring above control room ceiling |
| | -No Attachment T re quests -Clarification of Prior NRC A pprovals q pp*FSA development starting in late April |
| | -FRE is performed as part of FSA development |
| | -Defense-in-Depthactionsinreview |
| | -Defense-in-Depth actions in review-FPRA Quantification Revision in Process |
| | *RNP meets the requirements of acceptability for RG-1.174 |
| | *LARDevelopmentStartinginMay |
| | *LAR Development Starting in May*Modifications |
| | -Potential Modifications Identified |
| | -Final Scope After Fire PRA and FSAs are Completed 24 Robinson Proposed Modifications |
| | *Incipient Detection |
| | *Protect MOVs from IN 92-18 Hot Short Failure |
| | *Electrically Coordinate Power Supplies |
| | *HEAF mitigation modification in E1/E2 Switchgear room*Protect Shutdown Valves |
| | *Credit 4 thTrain of AFW |
| | *Credit Westinghouse RCP Shutdown Seal |
| | *Credit the Diesel Generators on the DeepwellPumps 25 Robinson Completed ModificationsAuto Start/Auto Load of Dedicated Shutdown Diesel Generator on Loss of All AC Power Auto Reload of Battery Chargers on a LOOPBackup Instrument Air for Charging Pumps Speed Control PressurizerPORV & Char g in g Pum p Make-u p Modificationggp pReplacement of HemycFire Barrier Wrap Emergency Lighting Modifications Evaluation and Modifications of the MOVs for IN92-18Installation of Fire Walls Between Transformers and Between Transformers And Turbine Building Ke y Locked Isolation Switch in Control Room to Isolate DC Electrical Power to Ke y yyAuxiliary Panels Protect the E-Bus Incoming Line Breakers from Spurious Operations for a Postulated Fire in the Turbine Bldg. Cable Rerouting to Protect Safe Shutdown Equipment 26 Robinson PRA |
| | *Internal Events |
| | -Full Scope ASME/ANS PRA Standard Peer Review in October 2009 |
| | -F&Oswillbe dispositionedintheLARforfirePRAimpact |
| | -F&Os will be dispositioned in the LAR for fire PRA impact 27 Robinson Fire PRA Overview |
| | *Full Scope Peer Review in 2013 |
| | *F&Os being addressed in FPRA revision |
| | -Documented in LAR |
| | *NR/CR-6850/ EPRI 108239 methods used 28 Robinson Fire PRA Overview (Continued)(Continued) |
| | *Credit taken for Flame Retardant Coatin g g-IntumasticInstalled on Thermoplastic Cable |
| | *Unit 2 Cable Spread Room (CSR)/2Sih*E1/E 2 S w i tc hgear Room*Incipient Detection InCabinetInstallationCreditperFAQ08 0046-In-Cabinet Installation -Credit per FAQ 08-0046*Main Control Boards |
| | *I & C Racks |
| | *Safeguards Cabinets |
| | -Area Wide -Normal Detection Credit |
| | *Unit2CableSpreadRoom |
| | *Unit 2 Cable Spread Room 29 RNP Deviations from NRC-Accepted FPRAMethods FPRA Methods*For closed-cabinet MCCs: |
| | -A severity factor of 0.1 is applied, where 90% of fires are contained within the MCC |
| | -HRRseverityfactorsaretreatedindependentlysimilarto |
| | -HRR severity factors are treated independently , similar to other cabinets |
| | -Method was used to Address RAI 5-32 for the HNP NFPA 805 Application |
| | *BNP LAR Audit RAIs under evaluation for applicability tRNP a t RNP 30 Robinson Fire PRA SensitivitiesSensitivityFPRA CDF/LERFVFDR RiskCPT credit for spurious failuresYesYesIitiF(FAQ 48)Y Y I gniti on F requency (FAQ-48)Y es Y esIncipient Detection (FAQ-46)YesYes 31 Robinson PRA Considerations |
| | *Re-evaluate treatment of 480V Switchgear |
| | -Amptectorsare used at RNP on E1/E2 Switchgears |
| | -Reviewing HEAF data for 480V SwitchgearNotagenericisse |
| | -Not a generic iss u e 32 Robinson Project Summary |
| | *Developing committed modifications final scope and hdli sc h e d u li ng*Appendix R non-compliances identified lddd-Compensatory actions imp lemente d as nee d e d*Completed NRC Fire Protection Triennial InspectionNb2012-N ovem b er 2012-No significant findings 33 Questions 34}} |
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MONTHYEARML13072B2022013-03-19019 March 2013 Meeting Notice with Duke Energy Concerning NFPA-805 Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants License Amendment Request for Catawba, McGuire, and H. B. Robinson Project stage: Meeting ML13127A0802013-04-18018 April 2013 Fleet Fire Protection Program NFPA 805 National Fire Protection Association NFPA 805 Pre-LAR Application for CNS, MNS, RNP Project stage: Request ML13127A0502013-05-20020 May 2013 Summary of April 18, 2013, Meeting with Duke Energy Concerning the National Fire Protection Association (NFPA) 805: Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants Project stage: Meeting 2013-04-18
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Category:Meeting Briefing Package/Handouts
MONTHYEARRA-24-0203, Regulatory Conference Supporting Information2024-07-31031 July 2024 Regulatory Conference Supporting Information ML24143A0612024-05-22022 May 2024 NRC Presentation Slides for Topical Reports to Support SLR (5-22-24 Public Meeting) V2 ML24100A8062024-04-0909 April 2024 Duke Energy Sites Annual Assessment Meeting Presentation Slides April 23, 2024 ML22336A0382022-12-0808 December 2022 Presentation Slides December 8, 2022, pre-submittal Meeting to Discuss Proposed License Amendment Request Regarding TS 3.7.11, Control Room Area Chilled Water System (Cracws) ML22325A3142022-11-30030 November 2022 November 30, 2022, Pre-Submittal Presentation Slides TSTF-505 and 10 CFR 50.69 (L-2022-LRM-0084) ML22251A2352022-09-14014 September 2022 Presentation Slides for September 14, 2022, Observation Public Meeting ML22067A1992022-03-0303 March 2022 Annual Assessment Meeting Presentation ML22007A2592022-02-0202 February 2022 Presubmittal Licensee Presentation for TS 3.5.3 PIV Testing LAR ML21336A1422021-12-0707 December 2021 December 7, 2021, Pre-submittal Presentation Slides Regarding Embedded Flaw Repair Relief Request - Revised ML21327A2112021-11-23023 November 2021 December 7, 2021, Pre-submittal Presentation Regarding Embedded Flaw Repair Relief Request ML21236A2862021-08-30030 August 2021 License Amendment Request for Revision 1 of DPC-NE-1007-P, Conditional Exemption of the End-of-Cycle (EOC) Moderator Temperature Coefficient (Mtc) Measurement Methodology ML21167A0852021-06-24024 June 2021 Licensee Presentation for Robinson Pre-submittal Meeting TSTF-577 ML21174A3212021-06-24024 June 2021 Licensee Presentation for Robinson Presubmittal Meeting TSTF 577, Rev. 1 ML21105A7522021-04-15015 April 2021 2020 Robinson - EOC Presentation Slides ML21116A2542021-04-15015 April 2021 C2R24 Relief Request Pre-Submittal Slides Call 1 ML21089A1732021-03-30030 March 2021 EOC Slides Final ML21081A1242021-03-22022 March 2021 EOC Slides Final ML19318F2912019-11-18018 November 2019 Duke Energy Presentation for the Pre-submittal Meeting on November 18, 2019, Regarding the RPV Stud Examination Relief Request ML19214A0562019-08-0707 August 2019 Presentation: Duke Energy Presubmittal Meeting - August 7, 2019 ML18239A3682018-08-27027 August 2018 License Amendment Request Pre-Submittal Conference Call August 29, 2018 ML18157A0322018-06-0606 June 2018 Nw System LAR Presubmittal Meeting ML18144A0632018-05-24024 May 2018 Summary of Meeting Concerning Annual Assessment of H.B. Robinson Steam Electric Plant Unit 2 for Period of January 1, 2017 - December 31, 2017 ML18089A0532018-03-30030 March 2018 Summary of Public Meeting with McGuire Nuclear Station ML17331A6272017-11-29029 November 2017 Duke Energy Pre-Submittal Meeting Presentation, Brunswick, Harris, and Robinson License Amendment Requests Regarding 10 CFR 50.69 ML17278A1342017-10-0404 October 2017 Duke Presentation for Public Meeting 09-20-17 ML17244A2272017-09-0707 September 2017 Duke Energy Presentation - H.B. Robinson 2017-09-07 Pre-sub Transmission Upgrade Meeting ML16242A2382016-08-30030 August 2016 Catawba/Mcguiproposed Changes to Technical Specification 3.8.1, AC Sources - Operating. ML16112A2932016-05-0202 May 2016 05/02/2016 Presentation for Closed Pre-Submittal Meeting with Duke Energy Progress, Inc., to Discuss Fuel Reload Design Methodology Reports and Proposed LAR Re. H. B. Robinson And Shearon Harris Plants (CAC Nos. MF7443 And MF7444) ML16117A4632016-04-28028 April 2016 Duke Presentation in Support of April 28, 2016 Pre-Submittal Meeting Catawba Nuclear Station, Units 1 and 2, License Amendment Request Proposed TS Bases Descriptions for Shared Systems (Revised) ML16112A0112016-04-28028 April 2016 Duke Presentation in Support of April 28, 2016 Pre-Submittal Meeting Catawba Nuclear Station, Units 1 and 2, License Amendment Request Proposed TS Bases Descriptions for Shared Systems ML16082A0682016-03-21021 March 2016 Summary of Meeting with the Public Concerning the Annual Assessment of McGuire Nuclear Station, Units 1 and 2 ML16081A3352016-03-17017 March 2016 Summary of Meeting with Public Concerning Annual Assessment of Catawba Nuclear Station, Units 1 and 2 RA-15-0041, Attachment 1, Affidavit and Attachment 3, Pre-Submittal Meeting Presentation Materials on DPC-NF-2010-A and DPC-NE-2011-P Methodologies (Redacted)2015-09-18018 September 2015 Attachment 1, Affidavit and Attachment 3, Pre-Submittal Meeting Presentation Materials on DPC-NF-2010-A and DPC-NE-2011-P Methodologies (Redacted) ML15231A6062015-08-19019 August 2015 Duke Energy Presentation - Robinson Nuclear Plant Transmission Upgrade Pre-submittal Meeting 08-26-2015 - MF6477 ML15125A4382015-05-0505 May 2015 Public Meeting Summary - 2014 Annual Assessment Public Meeting Regarding H.B. Robinson Steam Electric Plant ML15106A0302015-04-15015 April 2015 Meeting Summary with Public to Discuss the Annual Assessment of Catawba Nuclear Station, Units 1 and 2 ML15106A0222015-04-15015 April 2015 Summary of Meeting with Public to Discuss Annual Assessment of McGuire Nuclear Station, Units 1 and 2, in Huntersville, North Carolina ML15099A5872015-04-14014 April 2015 Duke Energy Slides for April 14 Meeting on NFPA-805 for Catawba, McGuire and Robinson ML15085A4242015-03-24024 March 2015 Nuclear Reactor Effluents Webinar ML14181A0782014-06-30030 June 2014 June 30 NRC Slides for Public Meeting with Duke - NTTF 2.1 - Seismic Reevaluation - GMRS ML14154A0932014-06-0303 June 2014 May 28, 2014, Summary of Category 1 Public Meeting - Annual Assessment of H.B. Robinson Steam Electric Plant ML14136A1302014-05-15015 May 2014 End of Cycle Meeting Summary Memo ML14126A6792014-05-0606 May 2014 Summary of Public Meeting with Catawba, Units 1 & 2 to Discuss Annual Assessment ML14016A1692014-01-0707 January 2014 Presentation Regarding Use of High Density Polyethylene (Hdpe) Piping as Replacement for Underground Piping January 7, 2014 -Catawba Nuclear Station Hdpe Relief Request ML13312A9882013-11-0808 November 2013 Summary of Public Meeting with Duke Energy Carolinas, LLC, to Provide Opportunities to Discuss the Planned Fukushima-Related Modifications ML13308A0072013-11-0101 November 2013 Open Phase Resolution Update Meeting Duke Energy Entitled Open Phase Detection and Protection. ML13238A0542013-08-23023 August 2013 Meeting Summary - Category 1 Public Meeting Regulatory Conference, H.B. Robinson Steam Electric Plant, Docket No. 50-261 ML13218B2272013-08-0606 August 2013 Vital Battery Replacement, 08-05-13 ML13210A3002013-07-30030 July 2013 Proposed Relief Request 13-MN-002 Risk-Informed/Safety Based (Ris_B) ISI Alternative for Class 1 and 2 Piping ML13127A0802013-04-18018 April 2013 Fleet Fire Protection Program NFPA 805 National Fire Protection Association NFPA 805 Pre-LAR Application for CNS, MNS, RNP 2024-07-31
[Table view] Category:Slides and Viewgraphs
MONTHYEARRA-24-0203, Regulatory Conference Supporting Information2024-07-31031 July 2024 Regulatory Conference Supporting Information ML24134A0242024-05-22022 May 2024 Duke Presentation Slides Robinson-2 5-22-24 (Trs) ML24136A2482024-05-22022 May 2024 NRC Presentation Slides for Topical Reports to Support SLR (5-22-24 Public Meeting) ML24143A0612024-05-22022 May 2024 NRC Presentation Slides for Topical Reports to Support SLR (5-22-24 Public Meeting) V2 ML24100A8062024-04-0909 April 2024 Duke Energy Sites Annual Assessment Meeting Presentation Slides April 23, 2024 ML23087A2972023-04-17017 April 2023 Annual Assessment Meeting Presentation ML23087A2922023-04-12012 April 2023 2022 Annual Assessment Meeting ML22336A0382022-12-0808 December 2022 Presentation Slides December 8, 2022, pre-submittal Meeting to Discuss Proposed License Amendment Request Regarding TS 3.7.11, Control Room Area Chilled Water System (Cracws) ML22325A3142022-11-30030 November 2022 November 30, 2022, Pre-Submittal Presentation Slides TSTF-505 and 10 CFR 50.69 (L-2022-LRM-0084) ML22301A1662022-09-29029 September 2022 Presentation 4 - Recent Biennial PI&R Team Inspection Insights ML22257A2392022-09-14014 September 2022 Presentation Slides for September 14, 2022, Observation Public Meeting ML22251A2352022-09-14014 September 2022 Presentation Slides for September 14, 2022, Observation Public Meeting ML22151A2652022-05-31031 May 2022 Presubmittal Licensee Presentation for 3.3.2 ESFAS Proposed LAR ML22109A2122022-04-20020 April 2022 Duke Energy Pre-Submittal Public April 20, 2022, Meeting Presentation ML22083A1072022-03-30030 March 2022 Presubmittal Licensee Presentation for SR 3.8.1.16 Proposed License Amendment Request (EPID L-2022-LRM-0021) (Slides) ML22067A1992022-03-0303 March 2022 Annual Assessment Meeting Presentation ML22007A2592022-02-0202 February 2022 Presubmittal Licensee Presentation for TS 3.5.3 PIV Testing LAR ML21336A1422021-12-0707 December 2021 December 7, 2021, Pre-submittal Presentation Slides Regarding Embedded Flaw Repair Relief Request - Revised ML21322A3262021-11-29029 November 2021 Duke Energy November 29, 2021 Pre-Submittal Public Meeting Slides for EOF Relocation Licensing Amendment Request ML21327A2112021-11-23023 November 2021 December 7, 2021, Pre-submittal Presentation Regarding Embedded Flaw Repair Relief Request ML21236A2862021-08-30030 August 2021 License Amendment Request for Revision 1 of DPC-NE-1007-P, Conditional Exemption of the End-of-Cycle (EOC) Moderator Temperature Coefficient (Mtc) Measurement Methodology ML21167A0852021-06-24024 June 2021 Licensee Presentation for Robinson Pre-submittal Meeting TSTF-577 ML21174A3212021-06-24024 June 2021 Licensee Presentation for Robinson Presubmittal Meeting TSTF 577, Rev. 1 ML21116A0662021-04-22022 April 2021 C2R24 Relief Request Pre-Submittal Slides Call 2 ML21116A2542021-04-15015 April 2021 C2R24 Relief Request Pre-Submittal Slides Call 1 ML21105A7522021-04-15015 April 2021 2020 Robinson - EOC Presentation Slides ML21089A1732021-03-30030 March 2021 EOC Slides Final ML21081A1242021-03-22022 March 2021 EOC Slides Final ML21053A0472021-02-25025 February 2021 Duke Energy Pre-Submittal Meeting - February 25, 2021 - H. B. Robinson 3rd Interval Containment ISI Relief Request ML20134J0052020-05-13013 May 2020 EOC Slides (2) ML20132A0002020-05-11011 May 2020 EOC Presentation ML20125A2312020-05-0404 May 2020 EOC Slides ML19318F2912019-11-18018 November 2019 Duke Energy Presentation for the Pre-submittal Meeting on November 18, 2019, Regarding the RPV Stud Examination Relief Request ML19214A0562019-08-0707 August 2019 Presentation: Duke Energy Presubmittal Meeting - August 7, 2019 ML18089A0532018-03-30030 March 2018 Summary of Public Meeting with McGuire Nuclear Station ML17331A6272017-11-29029 November 2017 Duke Energy Pre-Submittal Meeting Presentation, Brunswick, Harris, and Robinson License Amendment Requests Regarding 10 CFR 50.69 ML17278A1342017-10-0404 October 2017 Duke Presentation for Public Meeting 09-20-17 ML17244A2272017-09-0707 September 2017 Duke Energy Presentation - H.B. Robinson 2017-09-07 Pre-sub Transmission Upgrade Meeting ML17200C7802017-07-19019 July 2017 Duke Energy Pre-submittal Meeting Presentation, August 3, 2017, Harris and Robinson License Amendment Request to Support the Transition to Duke Non-LOCA Analysis Methods, MF9824, MF9825 ML16210A0372016-07-28028 July 2016 16-MN-003 1RN884 Pipe Layout Drawing MC-1418-14.41-02 Info Only ML16112A2932016-05-0202 May 2016 05/02/2016 Presentation for Closed Pre-Submittal Meeting with Duke Energy Progress, Inc., to Discuss Fuel Reload Design Methodology Reports and Proposed LAR Re. H. B. Robinson And Shearon Harris Plants (CAC Nos. MF7443 And MF7444) ML16117A4632016-04-28028 April 2016 Duke Presentation in Support of April 28, 2016 Pre-Submittal Meeting Catawba Nuclear Station, Units 1 and 2, License Amendment Request Proposed TS Bases Descriptions for Shared Systems (Revised) ML16112A0112016-04-28028 April 2016 Duke Presentation in Support of April 28, 2016 Pre-Submittal Meeting Catawba Nuclear Station, Units 1 and 2, License Amendment Request Proposed TS Bases Descriptions for Shared Systems ML16105A3342016-04-20020 April 2016 H. B. Robinson Steam Electric Plant, Unit 2 - April 20, 2016, Duke Energy Presentation for 24-Month Fuel Cycle Pre-submittal Meeting (CAC No. MF7503) ML16082A0682016-03-21021 March 2016 Summary of Meeting with the Public Concerning the Annual Assessment of McGuire Nuclear Station, Units 1 and 2 ML16081A3352016-03-17017 March 2016 Summary of Meeting with Public Concerning Annual Assessment of Catawba Nuclear Station, Units 1 and 2 ML15231A6062015-08-19019 August 2015 Duke Energy Presentation - Robinson Nuclear Plant Transmission Upgrade Pre-submittal Meeting 08-26-2015 - MF6477 ML15230A5942015-08-10010 August 2015 MNS Ice Condenser Door LAR Presentation - 08/12/15 ML15106A0302015-04-15015 April 2015 Meeting Summary with Public to Discuss the Annual Assessment of Catawba Nuclear Station, Units 1 and 2 ML15106A0222015-04-15015 April 2015 Summary of Meeting with Public to Discuss Annual Assessment of McGuire Nuclear Station, Units 1 and 2, in Huntersville, North Carolina 2024-07-31
[Table view] |
Text
Fleet Fire Protection Pro gram gNFPA 805National Fire Protection AssociationNFPA 805 Pre-LAR Application for CNS, MNS, RNPJefferyErtmanDavidGoforth
-NFPA805ProjectManagersJeffery Ertman , David Goforth -NFPA 805 Project ManagersApril 18, 2013 Agenda*NFPA 805 Transition Pro ject Overview j*License Amendment Request Overview
Participants
- Jeffery Ertman-NFPA 805 Project ManagerDidGfthNFPA805PjtM
- D av id G o f or th -NFPA 805 P ro j ec t Manager*Donna Alexander -Manager Fleet Regulatory Affairs
- BobRishel-PRAManager Bob Rishel PRA Manager*Jeff Robertson -Manager Regulatory Affairs
- Julius Br yant -Re gulator y Affairs y gy*Sarah Chisholm -PRA Engineer
- Kelly Lavin -Site Technical Lead
-Regulatory Affairs
- Jamie McCrory -PRA EngineerBdiWPRAEi*Bran di Weaver -PRA E ng i neer 3 Acronyms*AFW -Alternate Feed Water
- CNS-CatawbaNuclearStation
- MNS -McGuire Nuclear Station
- MOV-MotorOperatedValve CNS Catawba Nuclear Station*CPT -Control Power Transformer
- CSR -Cable Spreading Room
- FAQ -Frequently Asked QuestionMOV Motor Operated Valve*NEI -Nuclear Energy Institute
- NRC -Nuclear Regulatory Commission
- FRE -Fire Risk Evaluation
- FSA -Fire Safety Analysis F&OFtdObti*PORV -Power Operated Relief Valve
- RAI -Request for Additional Information
- RCP -Reactor Coolant Pump RNPRbiNlPlt*F&O -F ac t s an d Observa ti ons*HEAF -High Energy Arcing Fault
- LAR-LicenseAmendmentRequest
- RNP -R o bi nson N uc l ear Pl an t*SSA -Safe Shutdown Analysis
- TDEFWP -Turbine Driven Emergency FeedwaterPump LAR License Amendment Request*LERF -Large Early Release Frequency
- LOOP -Loss of Offsite Power
- UAM -Un-reviewed Analytical Method
- VFDR -Variance From Deterministic Requirements 4
Fleet Transition to NFPA 805MilestonesCNSMNSRNP LAR09/30/201309/30/201309/30/2013SafetyEvaluation09/30/201509/30/201509/30/2015NFPA 805 Program Implementation03/31/201603/31/201603/31/2016 5
LAR Document Submittal
- Using Current Industry LAR Template
-NEI Incorporating Generic RAIs
- Incorporating Lessons Learned
-Current Generic RAIs
-Current Industry NFPA 805 LAR Submittals and RAIsInternalOEfrompreviousplantsubmittalsreviewsand
-Internal OE from previous plant submittals , reviews , and implementation 6
Catawba Nuclear Station 7
Catawba Project Status
- Traditional Fire Protection Elements
-AttachmentL
-NFPA805Chapter3RequirementsforApprovalAttachment L NFPA 805 Chapter 3 Requirements for Approval (10CFR50.48(c)(2)(vii)
- Approval for existing wiring above the control room ceiling
- ReactorCoolantPumpOilMistingReactor Coolant Pump Oil Misting-No Attachment T requests -Clarification of Prior NRC Approvals
- FRE status fl-FPRA Quanti fication Comp lete*CNS meets the requirements of acceptability for RG-1.174
-Defense-in-Depth actions in review
-Recovery Action
- Local throttling of Emergency FeedwaterFlow 8
Catawba Project Status (continued)
-Breaker Coordination modifications
-Inverter cable re-route
-VCT Outlet Valve spurious closure issue resolved by modificationmodification
-Additional modifications may result from FRE DID review or Chapter 3 required systems code review
-4 Breaker Coordination modifications 9
Catawba PRA
- InternalEventsInternal Events-NEI 00-02 Internal Events Peer Review March 2002
-Internal Gap Assessment to ASME/ANS PRA Standard as endorsed by RG 1.200
- PerformedtoRG1200Revision1
- Performed to RG 1.200 Revision 1-LAR technical adequacy statement will address any deltas to RG 1.200 Revision 2FocusedLERFPeerReviewinDecember2012(NEI05 04)-Focused LERF Peer Review in December 2012 (NEI 05-04)-F&Os from these reviews will be dispositionedin the LAR for Fire PRA impact 10 Catawba Fire PRA
- Full Scope Peer Review in 2010
- F&Os will be addressed in LAR
- NR/CR-6850/ EPRI 108239 methods used
- Fire Modeling methods per NR/CR-6850/ EPRI 108239 *Removed credit for electrical cabinet treatment refinement
- Well sealed Motor Control Centers 11 CNS Deviations from NRC-Accepted FPRA MethodsMethods*Credit for administrative controls (transients)
- Credit for hot short duration failure probabilities for DC circuits 12 Catawba Fire PRA SensitivitiesSensitivityFPRA CDF/LERFVFDR RiskCredit for Admin Controls (Transients)YesYesIgnition Frequency (FAQ-48)YesYesHot Short Duration (DC)YesNo
- 11) It is not practical to vary the hot short duration credit for the deterministic variant and deterministic compliant case for each fire area; however, the impact on VFDR Risk may be estimated from the overall impact on FPRA CDF/LERF and the scope of VFDRs.
13 Catawba Project Summary
- NUREG-0800 non-compliances identified
-Compensatory actions implemented as needed
- NRC Fire Protection Triennial Inspection
-Scheduled for April 2013 14 McGuire Nuclear Station 15 McGuire Project Status
- Traditional Fire Protection Elements
-AttachmentL
-NFPA805Chapter3RequirementsforApprovalAttachment L NFPA 805 Chapter 3 Requirements for Approval (10CFR50.48(c)(2)(vii)
- Approval for existing wiring above the control room ceiling
- Reactor Coolant Pump Oil Misting
-No Attachment T requests -Clarification of Prior NRC Approvals
-FPRA Quantification CompleteFPRAQuantificationComplete
- MNS meets the requirements of acceptability for RG-1.174
-FRE Defense-in-Depth review complete
-Recover y Action y*Local Trip of Reactor Coolant Pumps
- Local throttling of Emergency FeedwaterFlow
- Local operation of the PressurizerHeaters 16 McGuire Project Status (continued)
- LAR development in progress
-Eliminate spurious operation of TDEFWP Suction Valve
-Modify condensate drain from containment to improve overall LERF
-Current Transformer Modification
-PressurizerHeaterModificationPressurizerHeater Modification 17 McGuire PRA
- InternalEventsInternal Events-NEI 00-02 Internal Events Peer Review October 2000
-Internal Gap Assessment to ASME/ANS PRA standard as endorsed by RG 1.200
- PerformedtoRG1200Revision1
- Performed to RG 1.200 Revision 1-LAR technical adequacy statement will address any deltas to RG 1.200 Revision 2FocusedLERFPeerReviewinDecember2012(NEI05 04)-Focused LERF Peer Review in December 2012 (NEI 05-04)-F&Os from these reviews will be dispositionedin the LAR for fire PRA impact 18 McGuire Fire PRA
- Full Scope Peer Review in 2009
- F&Os will be addressed in LAR
- NR/CR-6850/ EPRI 108239 methods used
- Fire Modeling methods per NR/CR-6850/ EPRI 108239 *Removed credit for electrical cabinet treatment refinement
- Well sealed Motor Control Centers 19 MNS Deviations from NRC-Accepted FPRA MethodsMethods*Credit for hot short duration failure probabilities for DCii DC c ircu i ts 20 McGuire Fire PRA SensitivitiesSensitivityFPRA CDF/LERFVFDR RiskHot Short Duration (DC)YesNo 1 ()Ignition Frequency (FAQ-48)YesYes1) It is not practical to vary the hot short duration credit for the deterministic variant and deterministic compliant case for each fire area; however, the impact on VFDR Risk may be estimated from the overall impact on FPRA CDF/LERF and the scope of VFDRs.
21 McGuire Project Summary
- Appendix R non-compliances identified
-Compensatory actions implemented as needed
- Completed NRC Fire Protection Triennial Inspection
-February 2013
-No significant findings 22 Robinson Nuclear Plant 23 Robinson Project Status
- Traditional Fire protection Elements
-AttachmentL
-NFPA805Chapter3RequirementsforApprovalAttachment L -NFPA 805 Chapter 3 Requirements for Approval (10CFR50.48(c)(2)(vii)
- Approval for existing wiring above control room ceiling
-No Attachment T re quests -Clarification of Prior NRC A pprovals q pp*FSA development starting in late April
-FRE is performed as part of FSA development
-Defense-in-Depthactionsinreview
-Defense-in-Depth actions in review-FPRA Quantification Revision in Process
- RNP meets the requirements of acceptability for RG-1.174
- LARDevelopmentStartinginMay
- LAR Development Starting in May*Modifications
-Potential Modifications Identified
-Final Scope After Fire PRA and FSAs are Completed 24 Robinson Proposed Modifications
- Electrically Coordinate Power Supplies
- HEAF mitigation modification in E1/E2 Switchgear room*Protect Shutdown Valves
- Credit Westinghouse RCP Shutdown Seal
- Credit the Diesel Generators on the DeepwellPumps 25 Robinson Completed ModificationsAuto Start/Auto Load of Dedicated Shutdown Diesel Generator on Loss of All AC Power Auto Reload of Battery Chargers on a LOOPBackup Instrument Air for Charging Pumps Speed Control PressurizerPORV & Char g in g Pum p Make-u p Modificationggp pReplacement of HemycFire Barrier Wrap Emergency Lighting Modifications Evaluation and Modifications of the MOVs for IN92-18Installation of Fire Walls Between Transformers and Between Transformers And Turbine Building Ke y Locked Isolation Switch in Control Room to Isolate DC Electrical Power to Ke y yyAuxiliary Panels Protect the E-Bus Incoming Line Breakers from Spurious Operations for a Postulated Fire in the Turbine Bldg. Cable Rerouting to Protect Safe Shutdown Equipment 26 Robinson PRA
-Full Scope ASME/ANS PRA Standard Peer Review in October 2009
-F&Oswillbe dispositionedintheLARforfirePRAimpact
-F&Os will be dispositioned in the LAR for fire PRA impact 27 Robinson Fire PRA Overview
- Full Scope Peer Review in 2013
- F&Os being addressed in FPRA revision
-Documented in LAR
- NR/CR-6850/ EPRI 108239 methods used 28 Robinson Fire PRA Overview (Continued)(Continued)
- Credit taken for Flame Retardant Coatin g g-IntumasticInstalled on Thermoplastic Cable
- Unit 2 Cable Spread Room (CSR)/2Sih*E1/E 2 S w i tc hgear Room*Incipient Detection InCabinetInstallationCreditperFAQ08 0046-In-Cabinet Installation -Credit per FAQ 08-0046*Main Control Boards
-Area Wide -Normal Detection Credit
- Unit 2 Cable Spread Room 29 RNP Deviations from NRC-Accepted FPRAMethods FPRA Methods*For closed-cabinet MCCs:
-A severity factor of 0.1 is applied, where 90% of fires are contained within the MCC
-HRRseverityfactorsaretreatedindependentlysimilarto
-HRR severity factors are treated independently , similar to other cabinets
-Method was used to Address RAI 5-32 for the HNP NFPA 805 Application
- BNP LAR Audit RAIs under evaluation for applicability tRNP a t RNP 30 Robinson Fire PRA SensitivitiesSensitivityFPRA CDF/LERFVFDR RiskCPT credit for spurious failuresYesYesIitiF(FAQ 48)Y Y I gniti on F requency (FAQ-48)Y es Y esIncipient Detection (FAQ-46)YesYes 31 Robinson PRA Considerations
- Re-evaluate treatment of 480V Switchgear
-Amptectorsare used at RNP on E1/E2 Switchgears
-Reviewing HEAF data for 480V SwitchgearNotagenericisse
-Not a generic iss u e 32 Robinson Project Summary
- Developing committed modifications final scope and hdli sc h e d u li ng*Appendix R non-compliances identified lddd-Compensatory actions imp lemente d as nee d e d*Completed NRC Fire Protection Triennial InspectionNb2012-N ovem b er 2012-No significant findings 33 Questions 34