ML22146A347
| ML22146A347 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 02/23/2022 |
| From: | NextEra Energy Seabrook |
| To: | Office of Nuclear Reactor Regulation |
| Poole J, NRR/DORL/LPL1 | |
| Shared Package | |
| ML22146A340 | List: |
| References | |
| EPID L-2022-LRM-0016 | |
| Download: ML22146A347 (6) | |
Text
Seabrook Station Unit 1 Pre-Submittal Meeting License Amendment Request Update Pressure-Temperature Limits (PTL) Curves Period of Applicability Based on Latest Fluence Projections February 23, 2022
2 Agenda License Amendment Request (LAR) Purpose Surveillance Capsule X
- Applicable standards, guidance
- Fluence Projection
- Period of Applicability Schedule / Implementation Questions, Follow-up Items
3 Purpose Update RCS PTL curves TS 3.4.9.1, Figures 3.4-2 and 3.4-3 TS 3.4.9.3, Figure 3.4-4 Change Period of Applicability from 55 EFPY to 52.6 EFPY where specified Address Non-Conservative TS per RG 1.239.
- Currently in Seabrook CAP
- Seabrook was at 26.46 EFPY at EOC 20 (Spring 2020)
No other proposed changes Process as normal LAR
4 Surveillance Capsule X Results transmitted September 2021 (ML21273A113)
- 10 CFR Part 50, Appendix H Applicable standards, guidance
- WCAP-17441-NP (55 EFPY PT Limit curves & fluence basis)
- 55 EFPY fluence projection was 3.05E19 n/cm2 Revised Fluence Projection
- WCAP-18607 Capsule X revised the fluence
- 3.05 n/cm2 reached at 52.6 EFPY
- Period of Applicability
5 Schedule / Implementation Submit 4th Quarter 2022 Request LAR approval within one year Request 90-day implementation period
Questions, Comments and Follow-up Items