ML111010128

Licensee Slides from 4/11/11 Pre-Licensing Meeting with Pacific Gas and Electric Company to Discuss License Amendment Submittal Related to Transition to Risk-Informed NFPA-805

ML111010128
Person / Time
Site:	Diablo Canyon
Issue date:	04/11/2011
From:	Pacific Gas & Electric Co
To:	Office of Nuclear Reactor Regulation
Wang, A B, NRR/DORL/LPLIV, 415-1445
References
TAC ME5888, TAC ME5889
Download: ML111010128 (14)

Text

NFPA 805 Transition Project pp Pre-Application Meetingg with NRC 04/11/2011

2 INTRODUCTION PG&E Representatives Michael RichardsonRegulatory Services Paul Bemis....Strategic Projects Oversight (SPO)

Brent Waggener...Technical Coordinator y

John PyoFPRA / FREs Lead ((by ypphone))

Project Consultants - EPM and Tri-En Bob Kalantari...Director of Engineering (EPM) (by phone)

Mark CromptonProject Manager (EPM)

Ray DyerSite FRE Engineer (EPM)

Fleur de Peralta...Project Manager (Tri-En) (by phone)

3 NFPA 805 TRANSITION PROJECT ORGANIZATION CHART DIABLO CANYON POWER PLANT

4 SUBMITTAL TYPE PG&E will make a full NFPA 805 LAR submittal on June 29, 2011 Implementation of the proposed staggered submittal process may impact this decision Augment submittal

MEETING OBJECTIVES 5

• Share progress FPRA FREs Transition Report

• Discuss challenges

• PG&E LAR review process

• Discuss modifications

• Post LAR submittal tasks

PROGRESS 6

Fire PRA Model Development Peer Review: (December 6-9, 2010) 16 Findings 4 Resolved 12 Open (to be completed by 6/29/2011)

Best Practices (CS, FSS, MCA)

All supporting requirements (SRs) Capability Category-II (CC-II) or higher except two CC-Is Site specific data is being gathered to upgrade CC-Is to CC-IIs Deviations from guidance in FPRA Model?

PROGRESS (Cont) 7 Fire Risk Evals (FREs)

• VFDR Descriptions Complete

• Determination of Risk

• As-Built Complete

• As-Modified (Completion early May, once Mods/RAs identified)

• Recovery Action Identification 5/02/2011

• In progress (Anticipate ~35/Unit)

• Modification Identification 5/02/2011

• In progress

• E.g., Incipient Detn, RCP seal cooling and ERFBSs.

• Deviations carried forward as Recovery Actions or DID actions?

PROGRESS (Cont) 8 Transition Report Complete/Under Review Fundamental Fire Protection Review (Table B-1)

NSCA Methodology Review (Table B-2)

Radioactive Release Review NSCA Non-Power Operations In Progress Fire Area Transition (Table B-3)

FREs Transition Report

CHALLENGES 9

• Time constraints

• 1 Pass on FREs o Iterations to be performed post-submittal

• Industry resource constraints

• Limited number of qualified people

• Internal management reviews

• Director level reviews

CHALLENGES (Cont) 10

• Other Large DCPP LARs

• License Renewal

• Digital Controls

• Long Term Seismic Program

• License Basis Verification Project

• Outage - 2R16

REVIEWS 11 PG&E LAR Review Process

• Internal LAR sufficiency y review

MODIFICATIONS 12

• Incipient Detection

• RCP Seal Cooling

• ERFBS Installation prior to SER?

If so, when?

13 POST-LAR SUBMITTAL TASKS DCPP plans to perform additional iterations using RIPB evaluation techniques to optimize the number of modifications needed to achieve performance objectives.

SUMMARY

14

• Full submittal on 6/29/2011

• staggering may impact

• Conservative Compliance Strategies

• Additional FRE/RIPB Iterations

• Augment submittal