SBK-L-25021, Completion of Initial Corroboration Study Regarding License Amendment No. 159, License Condition (B)
| ML25073A082 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 03/14/2025 |
| From: | Sluszka D NextEra Energy Seabrook |
| To: | Office of Nuclear Reactor Regulation, Document Control Desk |
| References | |
| SBK-L-25021 | |
| Download: ML25073A082 (1) | |
Text
U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 RE: Seabrook Station Docket No. 50-443 Renewed Facility Operating License No. NPF-86 NEXTera ENERGYe SEABROOK March 14, 2025 SBK-L-25021 Completion oflnitial Corroboration Study Regarding License Amendment No. 159, License Condition (b).
References:
- 1. NextEra Energy Seabrook, LLC letter SBK-L-16071, "License Amendment Request 16-03, Revise Current Licensing Basis to Adopt a Methodology for the Analysis of Seismic Category I Structures with Concrete Affected by Alkali-Silica Reaction, August 1, 2016 (Accession No. ML16216A240).
- 2. NextEra Energy Seabrook, LLC letter SBK-L-16153, "Supplement to License Amendment Request 16-03, Revise Current Licensing Basis to Adopt a Methodology for the Analysis of Seismic Category I Structures with Concrete Affected by Alkali-Silica Reaction," September 30, 2016 (Accession No. ML16279A047).
- 3. NextEra Energy Seabrook, LLC letter SBK-L-17156, "Response to Request for Additional Information Regarding License Amendment Request 16-03 Related to Alkali-Silica Reaction (CAC No. MF8260), October 03, 2017 (Accession No. MLl 7277 A337).
- 4. NextEra Energy Seabrook, LLC letter SBK-L-17170, "Non-Proprietary Enclosure to SBK-L-17156, October 17, 2017 (Accession No. ML172916136).
- 5. NextEra Energy Seabrook, LLC letter SBK-L-17204, "Response to Request for Additional Information Regarding License Amendment Request Related to Alkali-Silica Reaction (CAC No. MF8260); EPID L-2016-0007)," December 11, 2017 (Accession No. MLl 7345A641).
- 6. NextEra Energy Seabrook, LLC letter SBK-L-18074, "Response to Request for Additional Information Regarding License Amendment Request 16-03," June 07, 2018 (Accession No. ML18158A540).
NextEra Energy Seabrook, LLC PO Box 300 626 Lafayette Road Seabrook, New Hampshire 03874
- 7. NRC, "Seabrook Station, Unit No. 1 -Issuance of Amendment No. 159, RE: Methodology for Analysis of Seismic Category I Structures with Concrete Affected by Alkali-Silica Reaction (CAC No. MF8260; EPID L-2016-LLA-007)," March 11, 2019 (Accession No. ML18204A282).
NextEra Energy Seabrook, LLC (NextEra Energy Seabrook) submitted License Amendment Request (LAR) 16-03 (Reference 1), as supplemented by letters dated September 30, 2016 (Reference 2); October 03, 2017 (Reference 3); October 17, 2017 (Reference 4); December 11, 2017 (Reference 5); and June 07, 2018 (Reference 6), requesting an amendment to the license for NextEra Energy Seabrook. Specifically, the LAR proposed methods for analyzing seismic Category I structures with concrete affected by alkali-silica reaction (ASR).
Nuclear Regulatory Commission (NRC) letter dated March 11, 2019 (Reference 7) issued License Amendment No. 159, approving the methodology for the analysis of seismic category I structures with concrete affected by Alkali-Silica Reaction. License Amendment No. 159 also invoked additional license conditions. In part, the additional license conditions require NRC notification each time an assessment or corroboration action is complete.
The purpose of this letter is to notify the NRC that the initial corroboration study associated with License Condition (b) of License Amendment No. 15 9 for N extEra Energy Seabrook is now complete. Documentation of the study is available within NextEra Energy Seabrook's Electronic Document Management System as FP101569.
If you have any questions regarding this correspondence, please contact Mr. Matthew Levander, Regulatory Affairs Manager, at (603) 773-7631.
Sincerely, Site Vice President - Seabrook Power Plant cc:
NRC Region I Administrator NRC Project Manager NRC Senior Resident Inspector