ML111290322

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Slides for the 5/10/11 Meeting to Discuss Pre-application Issues Concerning Use of NFPA-805 (Fire Protection)
ML111290322
Person / Time
Site: Cook  American Electric Power icon.png
Issue date: 05/06/2011
From:
Plant Licensing Branch III
To:
Tam P
References
TAC ME6083, TAC ME6084
Download: ML111290322 (10)


Text

Donald C. Cook Nuclear Plant NFPA 805 Pre--LAR Submittal Meeting Pre Presented by: Richard Gray - NFPA 805 Project Manager Dan MacDougall - SSD Engineer Jim Hawley - Supervisor, Risk Management Michael Scarpello - Manager, Regulatory Affairs 1

Meeting Purpose Project Status 3/4 Nuclear Safety Capability Assessment (NSCA) 3/4 Fire Modeling 3/4 Fire PRA 3/4 Fire Risk Evaluation (FRE) 3/4 Fire Safety Analysis (FSA) 3/4 Recovery Actions (RAs) 3/4 Monitoring Program 3/4 NPO Analysis LAR Submittal and Implementation 2

Nuclear Safety Capability Assessment (NSCA) z Documents Chapter 4 Compliance z NFPA 805 Analysis Model (SAFE) z Fire Area Analysis y Strategies g

z Identification of VFDRs z Status - Analysis Complete 3

Fire Modeling 3/4Used Verified & Validated (V&Vd) Fire Models 3/457 Fire Areas 3/418 Deterministic, 3/439 Performance Based 3/4Process followed NUREG/CR-6850 and the Fire PRA Standard 3/4Performed over 900 scenarios supporting the Fire PRA 3/4Status - Complete 4

Fire PRA 3/4 Fire PRA Peer Review - October, 2009 by WOG 3/4 Fire PRA Integrated with Internal Events PRA 3/4 No Significant g Finding g

3/4 61 F&Os - 36 Suggestions, 25 Findings - All Impacts Resolved 3/4 PWROG Indicated That Overall, the Fire PRA Quality was Found to be Very Good with Many Elements Being Performed at the State-of-the-Art Level 3/4 Status - Analysis Complete 5

Fire Risk Evaluation 3/4 Determined Delta Risk between Compliant Plant and NFPA 805 Plant 3/4 Over 900 Scenarios Evaluated 3/4 Over 260 VFDR Risk Evaluations 3/4 Based on NUREG-6850 Guidance 3/4 Status - Analyses Complete 6

Fire Safety Analysis 3/4 57 FSAs Document Each Fire Area 3/4 Fire Protection Systems and Features 3/4 NSCA Compliance Strategy 3/4 VFDRs VFDR and d Recovery R Actions A ti 3/4 Fire PRA Risk Evaluation Results 3/4 Radioactive Release Review 3/4 NPO Compliance Review 3/4 Monitoring Program Input 3/4 Defense-In-Depth and Safety Margin Review 3/4 Status - Complete 7

Recovery Actions Appendix R 3/4Cold Shutdown - 1221 OMAs 3/4Hot Standby - 598 OMAs NFPA 805 3/4VFDRs - 260 3/4Recovery Actions - 140 3/4Status - Evaluations Complete 8

Monitoring Program z Scoping of Fire SSCs based on Key Programmatic Elements and Engineering Assumptions z Screening Using Risk Criteria - CDF and LERF z Risk Target Value Determination based on Risk Assessment z Monitoring Implementation To Be Consistent with FAQ-0059 9

Non--Power Operations Non 3/4 Higher Risk Evolution (HRE) Key Safety Functions (KSF) Contingency Plans/Protective Measures Identified 3/4 Reviewed Existing Plant Outage Processes to Determine Equipment Required for KSF, Including Support Functions 3/4 Established Defense-In-Depth Features 3/4 Update Procedures Before Going Live 10

LAR Status z Using NEI Template z Nine Packages + Assembly

- 3rd Party Review z Eight Packages Complete z No Significant Gaps or Alternate Methods z Completion Target for Final Review -

5/31/2011 11

Project Implementation z Modifications and Implementation Items to be Completed Prior to Issuance of NRC SE

- MOV IN 92-18 Mods

- Conversion of CO2 Systems from Manual to Automatic

- Transient Combustibles Control with Combustible Free Zones (CFZ)

- Develop Monitoring and NPO Programs

- Update Procedures and Other Documentation z Training After Receipt of NRC SE z Go Live 90 Days after Receipt of NRC SE 12

Summary z Complete LAR to be Forwarded On or Before 6/29/2011 z Nothing Unique or Challenging z No Issues Requiring Enforcement Discretion z Modifications to be Completed Prior to Issuance of NRC SE z Go Live 90 Days after Receipt of SE (To Allow for Training) 13