ML17340B102

12/13/2017 Meeting Presentation, Proposed Prioritization of Fire PRA FAQ Efforts

ML17340B102
Person / Time
Site:	Nuclear Energy Institute
Issue date:	12/13/2017
From:	Nuclear Energy Institute
To:	Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML17340B096	List: ML17340B097 ML17340B098 ML17340B100 ML17340B101 ML17340B102 ML17340B103 ML17340B104 ML17340B105 ML17340B106
References
Download: ML17340B102 (7)

Text

Proposed Prioritization of Fire PRA FAQ Efforts December 13, 2017

Background Several FPRA realism improvement opportunities identified during October 2017 workshop deemed potentially suitable for FAQ process.

Industry reviewed input from workshop and prioritized FAQ work to be completed in the next 6-9 months Did not attempt to prioritize against more in

-depth research work Will discuss new proposed FAQs in detail today

Immediate Priority

- Completion of Ongoing Work Transient controls PAU (14

-007) Cable tray ignition at 500 C (16

-011) Improved HEA F NSP (17-013)

Highest Priority HEAF event frequency divided into 1E and non-1E groups Updated EC NSP curve T ime to detection is zero for manual NSP ca lculations High Priority Plant trip probability Reduce NSP f l oor Moderate Priority Fire damages part of equipment in cabine t Proposed Schedule Delivery of FAQs to NRC Target Closure Date Immediate Priority N/A January 2018 Highest Priority January 2018 April 2018 High Priority April 2018 July 2018 Moderate Priority July 2018 September 2018