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Seabrook 

Public Meeting – ASR Update

Nuclear Regulatory Commission - Region I

Hampton, NH

June 21, 2016

ML16174A054
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NRC Staff

• Raymond Lorson, Director, DRS

• Fred Bower, DRP Branch Chief

• Mel Gray, DRS Branch Chief

• Doug Broaddus, NRR Branch Chief

• Brian Wittick, NRR Branch Chief

• Angela Buford, Structural Engineer, NRR

• Bill Cook, Sr. Reactor Analyst

• Paul Cataldo, Sr. Resident Inspector
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AGENDA

• 2015 Safety Performance Overview

• ASR Inspections

• ASR and License Renewal Status

• ASR License Amendment Request

• Question and Answer Session

• Closing Remarks
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Seabrook 2015 

Assessment Summary 

• Operated safely and in a manner that preserved the 

public health and safety and protected the 

environment

• Licensee Response Column 

• 5,470 hours of inspection and related activities.

• All Green Performance Indicators

• 2 Green Findings
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NRC Inspections of Seabrook 

Structures Affected by ASR 

• NRC specialist inspections completed every six months

• NRC issued a violation in 2016 for not evaluating ASR 

effects of bulk deformation in Containment Enclosure 

Building and Underground Equipment Vault Wall Cracks

• Violation of very low safety significance because 

structural capability was maintained

• Written response required due to repetitiveness 

• NRC will complete inspection to assess effectiveness 

of actions to prevent recurrence
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License Renewal Status Update

• Need reasonable assurance that ASR aging effects 

can be adequately managed

• License renewal safety review is ongoing; 

regulatory decision on the application has not been 

finalized

• Remaining schedule milestones, including 2nd

ACRS Subcommittee meeting, are “to be 

determined”
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License Renewal Status Update

• NextEra submitted latest ASR Monitoring Aging 

Management Program (AMP) on Dec 3, 2015

• ASR continues to be an Open Item, primarily due to 

building deformation and macro-cracking manifestations

• Public meeting with NextEra at NRC HQ on April 28, 

2016, discussed ASR open issues

• NextEra intends to submit a revised ASR Monitoring 

AMP in August 2016
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ASR License Amendment Request

• Pre-application public meeting with NextEra held 

June 15, 2016.

• NextEra stated it intends to submit an ASR license 

amendment request (LAR) in July 2016.

• The LAR will request to revise Seabrook’s design basis

• Texas test data is intended to demonstrate that American 

Concrete Institute code acceptance criteria are met 

(within limits)f or ASR-affected structures.
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NRC License Amendment Process

Submit License 

Amendment Request (LAR)

Acceptance Review

Pre-application Meeting 

June 15, 2016

Publish Notice of Receipt of 

LAR in Federal Register

•30-Day Comment Period on No 

Significant Hazards Consideration

•60-Day Period to Request a Hearing 

on the LAR

Hearing Requests -

Follow 10 CFR Part 2

Licensee Supplement in 

Response to RAI

Request for Additional 

Information (RAI)

Complete Review of LAR

State Consultation 

Issue Decision on LAR
NRC Social Media Channels

• Web: http://www.nrc.gov/

• Blog: http://public-blog.nrc-gateway.gov/

• Flickr: http://www.flickr.com/photos/nrcgov/

• Twitter: https://twitter.com/#!/nrcgov

• YouTube: http://www.youtube.com/user/NRCgov

• Questions?

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