ML12115A311

Meeting Slides: 04/24/2012 Meeting with Xcel Energy NFPA 805 Presubmittal - Prairie Island Nuclear Generating Plant

ML12115A311
Person / Time
Site:	Prairie Island
Issue date:	04/24/2012
From:	Xcel Energy
To:	Office of Nuclear Reactor Regulation
Wengert T
References
Download: ML12115A311 (25)

Text

1 NFPA 805 LAR Pre-Submittal Meeting AttendeesCarl Lane Engineering Programs ManagerMark McKeownNFPA 805 Project Manager Rick RohrerManager of Fleet Program Engineering Michelle KellyNFPA 805 Engineering Lead Gene EckholtManager of Nuclear Projects Licensing Amy HazelhoffNFPA 805 Licensing Lead 2

AgendaMeeting PurposeNFPA 805 ScheduleNFPA 805 Transition Project OverviewLAR Transition TasksNFPA 805 ModificationsLAR ImplementationFire PRAProject Challenges*Note -LAR is in development and technical information provided is preliminary 3

Meeting PurposeDiscuss the PINGP NFPA 805 Transition StatusDiscuss project challengesGain insights from NRC on NFPA 805 Transition 4

NFPA 805 ScheduleBackgroundCommitment letter submitted June 2011LAR Staggered ApproachFPRA Peer ReviewScheduled to begin May 7, 2012Commitment to submit LAR by September 30, 2012Currently on schedule 5

Overview of NFPA 805 LARPINGP following Revision 1L of NEI 04-02 templateLAR development and internal review activities are on-goingPlant Operating Review Sub-Committee created6 PORC Sub-COM reviews plannedOne PORC Sub-COM review completedSecond PORC Sub-COM review scheduled for April 25, 2012Additional four PORC Sub-COM reviews scheduled NFPA 805 Transition Project Overview 6

Fire Protection Program TransitionLicense Condition being revisedTechnical Specification being revisedMinor Administrative Change to TS Reviewing existing exemptions (Attachment K)Expecting items for NRC approval (Attachment L)Expecting items for clarification (Attachment T)

NFPA 805 Transition Project Overview 7

NFPA 805 Transition Project OverviewNFPA 805 Chapter 3 ComplianceAttachment A, Table B-1 (Fundamental FP Program Transition)Compliance basis: (95) Complies(6) Complies with Item for Implementation (11) Complies by previous NRC approval (7) Complies with use of EEEEs(1) Submit for NRC Approval(0) Complies with Clarification 8

NFPA 805 Transition Project OverviewNuclear Safety Capability AssessmentAttachment B, Table B-2Performed using NEI 00-01, Revision 1Gap Analysis comparing to NEI 00-01, Revision 2 being performed Guidance required additional reviews to current Appendix R Analysis 9 NFPA 805 Transition Project Overview Non-Power Operations Review in progress using NEI 04-02, Rev 2 guidance and FAQ 07-0040Work in progress for NPO model incorporation into

SAFE/GENESISSuccess paths have been identifiedComponent list by key safety functionHigh Risk Evolutions have been identifiedPlant Operating StatePinch Points identified Recommendations to manage Fire Risk 10 NFPA 805 Transition Project Overview Radioactive ReleaseReport is complete, in final review using NEI 04-02, Rev 2 guidance and FAQ 09-0056Plant evaluated on a fire area basisCredit engineering controls for gaseous and liquid

effluentsPre-Fire plans and training material to be developed/revised to clarify monitoring and control

requirements (S-3 items) 11 NFPA 805 Transition Project Overview Monitoring ProgramFollowing FAQ 10-0059, Rev 5Scoping systems and components to be monitored based on results of FPRA and Defense-in-Depth

analysisRequired components to be added to Maintenance

Rule Program 12 NFPA 805 Transition Project Overview Recovery Actions Review in progress using NEI 04-02, Rev 2 and FAQ 07-0030Significantly reduced Recovery Actions~50% Removed 13 NFPA 805 Transition Project OverviewFire Area Transition (Fire Area by Fire Area Report)Attachment C, Table B-3Review of EEEEs, including GL 86-10 evaluations and 13 exemptions was performedOf the current ~134 EEEEs, 62 EEEEs will be

eliminated9 Exemptions were eliminatedDescribes resolution of variances from deterministic

requirements~150 VFDRs 14 NFPA 805 Transition Project OverviewExisting Licensing Actions Transition (Attachment K)PINGP has total of 13 Appendix R exemptions9 exemptions will be eliminated utilizing the Performance Based-Risk Informed compliance strategy4 exemptions transition as compliant with 10 CFR 50.48(c) 15 NFPA 805 Transition Project OverviewNFPA 805 Chapter 3 Approvals (Attachment L)NFPA 805 Section 3.5.16 -Use of fire water system for other purposes not fire protection related 16 NFPA 805 Transition Project OverviewClarification of Prior NRC Approvals (Attachment T)Use of exemption for Hi/Lo Pressure interface valves for multiple fire areas per original requestClarification of manual action to use breaker switch instead of removing fuses for PORVs 17 18 NFPA 805 Transition Project OverviewNFPA 805 Major Modifications (Preliminary)Install New Cables U1 Bus 16 Design (FA 20)New Cable OCT U2 Design (FA 58, 73, 66, 7, 59, 74)Incipient Fire Detection Design (FA 18) Electrical Safeguards Bus Design (FA 20, 58, 73)Fire Detection Code ComplianceFire Suppression Code ComplianceHot SD Panel Design (FA 31 &

32)Suction Press Trip Charging Pumps Install (FA 18) Cable Wrap Design (FA 18) Cable Protection Install (FA 69)

NFPA 805 Transition Project OverviewLAR Implementation Plans (Attachment S)Table S-1 items -No completed modificationsTable S-2 items -Requesting 2 full operating cycles post SE to implement modifications2018 refueling outage for full mod implementationTable S-3 items -6 months post SE to implement

training/procedure changes*Note -LAR implementation plans assume issuance of an SE within two years of submittal date (2014) 19 NFPA 805 Transition Project OverviewFire PRAFPRA built on high quality Internal Events ModelInternal events model peer reviewed to RG 1.200Internal flooding still being developed 20 NFPA 805 Transition Project OverviewStatus of FPRA Initial analysis completeRefined HRA and Fire Modeling in progressFPRA Peer ReviewScheduled for May 7 -May 11Findings and Observations expected ~June 2012 21 NFPA 805 Transition Project OverviewFPRA Unique ApproachesMSOs explicitly modeled using PRISMMore rigorous than normal approach of expert team reviewExpert panel review was also doneUse of Alternate MethodsNo alternate methods used in the PINGP FPRA 22 NFPA 805 Transition Project Overview Fire ModelingNo deviations takenUsing established methodologiesNUREG-1805 Fire Dynamic Tools SpreadsheetsFDSLimitations and cautions of the methodologies considered 23 ConclusionLAR submittal by 9/30/12ChallengesFPRA statusUncertainty in LAR ScopeEvolving NRC expectationsNew expectations from November 2011 being addressed in LARNFPA 805 LAR scope has been frozenNecessary to ensure LAR is completed by 9/30/12Evaluation of OE continues, but may not be addressed in LAR 24 Questions and Discussion 25