ML23270A070
| ML23270A070 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 09/26/2023 |
| From: | Im A NRC/NRR/DNRL/NLRP |
| To: | Jim Barstow Tennessee Valley Authority |
| References | |
| Download: ML23270A070 (4) | |
Text
Kayla October 2, 2023 James Barstow Vice President, Nuclear Regulatory Affairs and Support Services Tennessee Valley Authority 1101 Market Street, LP 4A-C Chattanooga, TN 37402-2801
SUBJECT:
BROWNS FERRY NUCLEAR PLANT, UNITS 1, 2, AND 3, SUBSEQUENT LICENSE RENEWAL APPLICATION - PUBLIC MEETING
SUMMARY
OF BURIED PIPING/CATHODIC PROTECTION PRE-SUBMITTAL MEETING
Dear James Barstow:
By letter dated May 27, 2021 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML21147A359), as revised by letter dated June 6, 2023 (ML23157A126), Tennessee Valley Authority (TVA, or the applicant), submitted a letter of intent to submit a subsequent license renewal application (SLRA) for Browns Ferry Nuclear Plant (Browns Ferry), Units 1, 2, and 3.
On September 13, 2023, an observation meeting was held between the U.S. Nuclear Regulatory Commission (NRC) and representatives of TVA. The purpose of the meeting was to discuss the aging management of buried piping for the upcoming Browns Ferry SLRA. The meeting notice and agenda dated September 11, 2023, is available at ML23254A217. The applicants presentation is available at ML23254A208. A list of participants is provided as.
TVA began its presentation with background on buried and underground piping at Browns Ferry.
A summary of the existing programs to mitigate corrosion at the site was provided including confirmation that there are no in-scope buried or underground tanks at Browns Ferry.
TVA went over exceptions and enhancements to the Buried and Underground Piping and Tanks AMP, including an overview of buried pipe coatings and buried pipe inspection requirements at Browns Ferry. TVA also discussed the results of piping inspections, the selection of soil sampling locations, and the results of soil sampling from 2009 and 2023. The TVA presentation concluded with a discussion on the lack of cathodic protection installation at Browns Ferry. The applicant noted that cathodic protection was not in the original design, the piping contains a high-quality coating, the soil is not aggressive, and TVAs analysis showed that the installation of cathodic protection is not practical.
The NRC staff asked TVA about whether site or fleet operational experience was used in determining sampling locations, and TVA confirmed they primarily used site-specific operational experience. TVA stated that the documented soil EPRI measurements would be available for
staff review via the portal. The NRC staff noted that the justification for not including cathodic protection in the original design could be beneficial to review and the applicant stated they would look to see if that justification was documented and available. TVA stated that they would make their analysis of cathodic protection installation at Browns Ferry available to the NRC staff. The NRC staff stated that there were sites with operational experiences of issues with a tape coating and the staff would follow-up with TVA with more information.
Additional topics included the effectiveness of jockey pump monitoring for fire protection and operational experience of selective leaching in the Browns Ferry fire protection system. The applicant concluded the meeting by stating that the Browns Ferry SLRA remains on track to be submitted in January 2024. No comments or questions were provided by members of the public.
If you have any questions, please feel free to contact me via email at Austin.Im@nrc.gov.
Sincerely,
/RA/
Austin Im, Project Manager License Renewal Projects Branch Division of New and Renewed Licenses Office of Nuclear Reactor Regulation Docket Nos. 50-259, 50-260, 50-296 List of Attendees cc w/encl: ListServ
- via email NRR-106 OFFICE NRR/DNRL/NLRP/PM NRR/DNRL/NLIB/LA NRR/DNRL/NLRP/BC NAME AIm*
SGreen*
LGibson*
DATE 09/27/2023 09/27/2023 09/29/2023 OFFICE NRR/DNRL/NLRP/PM NRR/DNRL/NLRP/PM NAME JHammock
- AIm*
DATE 09/30/2023 10/2/2023
List of Attendees Attendees participated remotely unless otherwise noted.
NRC Attendees:
Austin Im (In-person)
Bernie Thompson (In-person)
Brian Allik (In-person)
Brian Harris Brian Lee Brian Wittick Charles Moulton Christopher Tyree James Gavula Jessica Hammock (In-person)
Joel Jenkins (In-person)
John Tsao Lauren Gibson (In-person)
Marieliz Johnson Steven Bloom TVA Attendees:
Daniel Green (In-person)
Denny Wayne Campbell Eric Michael (In-person)
John Chris Hunsaker (In-person)
John Paul Anglin (In-person)
Jonathan Delaune Michael Patrick Gallagher (In-person)
Peter Donahue (In-person)
William Baker (In-person)
William Victor (In-person)
GSE Solutions:
Annessa Lippincott Gregory Lupia (In-person)
Michael Anderson Southern Company:
Amy G. Aughtman Bradford D. Deen Brandon Kenneth Marlow Bradley Creek Michael A. Macfarlane Stephan Franzone Additional Attendees:
Casey Muggleston (Constellation Nuclear)
Curtis Strauss (Structural Integrity Associates)
Dean Hecht (Structural Technologies)
Jeffrey Head (Enercon)
Ryan Martell (Structural Technologies)
Unidentified Unidentified