ML24145A001

5/29/2024, Annual Assessment Meeting for Seabrook Station - NRC Presentation Slides

ML24145A001
Person / Time
Site:	Seabrook
Issue date:	05/24/2024
From:	NRC/RGN-I/DORS
To:
References
Download: ML24145A001 (1)

Text

Seabrook Station Annual Assessment Meeting

Reactor Oversight Process - 2023

May 29, 2024

1 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.

2 Agenda - Seabrook

• 2023 ROP Plant Performance Assessment and Inspection Activities

Ray McKinley

• NRC Inspection of Alkali-Silica Deputy Director, Region I Division Reaction (ASR) of Operating Reactor Safety*Public Question and Answer

3 NRC Panelists

Travis Daun Eben Allen Nik Floyd Sr. Resident Inspector Resident Inspector Senior Engineer

4 Joe DeBoer Matt Young Sr. Emergency Preparedness Inspector Branch Chief 2023 ROP Plant Performance Assessment at Seabrook

• Seabrook operated safely and in a manner that preserved the public health and safety and protected the environment

• All green performance indicators

• All very low safety significance findings

• The plant will receive the baseline level of inspection in 2024

5 NRC Independent Safety Inspections

Reactor Oversight Process

• Full-time NRC resident inspectors

• NRC specialists conduct additional inspections at each nuclear plant

• NRC inspectors have unfettered access to all plant activities related to nuclear safety and security

6 NRC Independent Safety Inspections

Reactor Oversight Process

7 2023 NRC Inspection Activities at Seabrook

~6700 hours of inspection and related activities

- Examples of Resident Inspections

• maintenance activities

• surveillance tests

• operator performance

• emergency preparedness drills

• Refueling outage activities

- 2023 Team and Specialist Inspections

• Security Baseline and Force-on-Force Exercise

• Cyber Security Team Inspection

• Fire Protection Team Inspection

• Health Physics and Radiation Safety 8

NRC Inspection of ASR at Seabrook

• In 2023, the NRC completed inspections to assess NextEras performance to manage the effects of ASR in Seabrook structures

- Resident inspectors and specialist from Region I and NRC Headquarters involved

- Focused on compliance with NRC-approved methodology and license conditions

• NRC inspections in 2023 determined Seabrook structures remain capable of performing their safety functions

• NRC inspectors identified no findings related to ASR in 2023

9 Seabrook Annual Assessment Meeting

Closing Remarks

10 NRC Social Media Channels

Facebook www.facebook.com/nrcgov/

Twitter twitter.com/nrcgov Instagram https://www.instagram.com/nrcgov YouTube www.youtube.com/user/NRCgov Flickr www.flickr.com/photos/nrcgov/

LinkedIn www.linkedin.com/company/u-s--nuclear-regulatory-commission/

RSS www.nrc.gov/public-involve/listserver.html#rss

11 Annual Assessment Meeting Feedback

1. Mail in NRC 2. Scan QR Code on feedback form - OR - back of form with smart device

- OR -

• 3. On any computer visit the NRC Public Meeting Schedule

• Click Meeting Feedback or

• Click more on the Meeting Details page

Meeting number: 20240628

12 For Additional Information

Contact a Public Affairs Officer

Diane Screnci Sr. PAO 610/337-5330 Diane.screnci@nrc.gov

Neil Sheehan PAO 610/337-5331 Neil.sheehan@nrc.gov

13 Q&A Session

Question & Answer Session

14 Thank you for your participation Reference Slides

16 Structural Modification Examples

Example 1 - Example 2 -

Strong backs Corner braces

17 Structural Modification Examples

18 Throughwall Expansion Monitoring

Expansion

Through wall expansion with borehole extensometer

19