ML17340B102
| 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: |
| 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