ML17340B102: Difference between revisions
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| number = ML17340B102 | | number = ML17340B102 | ||
| issue date = 12/13/2017 | | issue date = 12/13/2017 | ||
| title = | | title = Meeting Presentation, Proposed Prioritization of Fire PRA FAQ Efforts | ||
| author name = | | author name = | ||
| author affiliation = Nuclear Energy Institute (NEI) | | author affiliation = Nuclear Energy Institute (NEI) | ||
| Line 18: | Line 18: | ||
{{#Wiki_filter:Proposed Prioritization of Fire PRA FAQ Efforts December 13, 2017 | {{#Wiki_filter: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. | ===Background=== | ||
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 | * Several FPRA realism improvement opportunities identified during October 2017 workshop deemed potentially suitable for FAQ process. | ||
-depth research work Will discuss new proposed FAQs in detail today | * 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 | Immediate Priority - Completion of Ongoing Work | ||
- Completion of Ongoing Work Transient controls PAU (14 | * Transient controls PAU (14-007) | ||
-007) Cable tray ignition at 500 C (16 | * Cable tray ignition at 500 C (16-011) | ||
-011) Improved | * Improved HEAF NSP (17-013) | ||
Highest Priority HEAF event frequency divided into 1E and non-1E groups Updated EC NSP curve | |||
Highest Priority | |||
* HEAF event frequency divided into 1E and non-1E groups | |||
* Updated EC NSP curve | |||
* Time to detection is zero for manual NSP calculations | |||
High Priority | |||
* Plant trip probability | |||
* Reduce NSP floor | |||
Moderate Priority | |||
* Fire damages part of equipment in cabinet | |||
Proposed Schedule Delivery of FAQs to Target Closure Date NRC Immediate Priority N/A January 2018 Highest Priority January 2018 April 2018 High Priority April 2018 July 2018 Moderate Priority July 2018 September 2018}} | |||
Latest revision as of 18:07, 2 December 2019
| 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)
Highest Priority
- HEAF event frequency divided into 1E and non-1E groups
- Updated EC NSP curve
- Time to detection is zero for manual NSP calculations
High Priority
- Plant trip probability
- Reduce NSP floor
Moderate Priority
- Fire damages part of equipment in cabinet
Proposed Schedule Delivery of FAQs to Target Closure Date NRC Immediate Priority N/A January 2018 Highest Priority January 2018 April 2018 High Priority April 2018 July 2018 Moderate Priority July 2018 September 2018