ML25127A029
| ML25127A029 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 05/07/2025 |
| From: | Division of Operating Reactors |
| To: | |
| References | |
| Download: ML25127A029 (1) | |
Text
Seabrook Station Annual Assessment Meeting Reactor Oversight Process - 2024 May 14, 2025 ML25127A029
Meeting Conduct
- Please respect other members of the public
- Please be conscious of your speaking time
- Questions will be addressed during the Question-and-answer session following the presentation.
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Agenda - Seabrook
- 2024 Assessment summary and inspection activities
- NRC inspection of alkali-silica reaction (ASR)
- Public question and answer 3
Seamus Flanagan Resident Inspector Travis Daun Sr. Resident Inspector Nik Floyd Sr. Reactor Inspector NRC Panelists Matt Young Branch Chief 4
Nate Mentzer Sr. Project Engineer
Seabrook 2024 Assessment Summary
- Seabrook operated safely and in a manner that preserved the public health and safety and protected the environment
- All Green Performance Indicators
- 6 Green Findings
- Licensee Response Column
- Seabrook will receive the baseline level of inspection in 2025 5
6 Our Mission The NRC protects public health and safety and advances the nations common defense and security by enabling the safe and secure use and deployment of civilian nuclear energy technologies and radioactive materials through efficient and reliable licensing, oversight, and regulation for the benefit of society and the environment.
NRC Independent Safety Inspections Reactor Oversight Process
- Full-time NRC resident inspectors
- NRC specialists conduct additional baseline inspections each year
- NRC inspectors have unfettered access to all plant activities related to nuclear safety and security 7
Reactor Oversight Process 8
9 Action Matrix Concept Increasing safety significance Increasing NRC inspection efforts Increasing NRC/Licensee management involvement Increasing regulatory actions Licensee
Response
Regulatory
Response
Degraded Performance Multiple/Repetitive Degraded Cornerstone Unacceptable Performance
2024 NRC Inspection Activities at Seabrook
~7000 hours of inspection and related activities
- Examples of Resident Inspections
- maintenance activities
- surveillance tests
- operator performance
- emergency preparedness drills
- refueling outage activities
- 2024 Team and Specialist Inspections
- Age Related Degradation Inspection
- Emergency Preparedness Exercise Inspection
- Biennial PI&R Team Inspection
- Health Physics and Radiation Safety 10
NRC Inspection of ASR at Seabrook In 2024, the NRC completed inspections to assess NextEras performance to manage the effects of ASR in Seabrook structures
- Resident inspectors and specialists from Region I and NRC Headquarters involved
- Focused on compliance with NRC-approved methodology and license conditions NRC inspections in 2024 determined Seabrook structures remain capable of performing their safety functions NRC inspectors identified two findings of very low safety (Green) significance related to ASR in 2024 11
NRC Inspection of ASR at Seabrook 12
- NRC-identified findings
- NCV 2024001-02: NextEra did not analyze the reactor cavity pit slab in the revised CIS structural evaluation
- NCV 2024010-02: NextEra did not correct an adverse condition associated with a tubing support from ASR deformation
- The NRC presented the results of inspection activities to the ACRS in September 2024
Seabrook Annual Assessment Meeting Closing Remarks 13
NRC Social Media Channels
- Facebook www.facebook.com/nrcgov
- Twitter twitter.com/nrcgov
- YouTube www.youtube.com/user/NRCgov
- Instagram www.instagram.com/nrcgov
- Flickr www.flickr.com/photos/nrcgov/sets
- LinkedIn www.linkedin.com/company/u-s--nuclear-regulatory-commission/mycompany/
- GovDelivery service.govdelivery.com/accounts/USNRC/subs criber/new 14
More Information
- Inspection Reports
- https://www.nrc.gov/reactors/operating/oversight/listofrpts-body.html
- Reactor Oversight Process
- https://www.nrc.gov/reactors/operating/oversight.html
- Fact Sheets and Brochures
- https://www.nrc.gov/reading-rm/doc-collections/fact-sheets/
- NRC Information Digest
- https://www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr1350/
- Regulations
- https://www.nrc.gov/reading-rm/doc-collections/cfr/
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Annual Assessment Meeting Feedback Ways to submit feedback:
- 1. Scan QR Code
- 2. Visit https://feedback.nrc.gov/pmfs/ and enter the meeting number
- 3. Visit the NRC Public Meeting Schedule after the meeting and click the Meeting Feedback Form link
- 4. Mail a paper copy of the feedback form Meeting number: 20250493 16
For Additional Information 17 Contact a Public Affairs Officer Diane Screnci Sr. PAO (610) 337-5330 Diane.screnci@nrc.gov
18 Question & Answer Session 18
Thank you for your participation 19