ML111650038

Aam Slides, June 8, 2011

ML111650038
Person / Time
Site:	Seabrook
Issue date:	06/08/2011
From:	Arthur Burritt Reactor Projects Branch 3
To:
burritt al
References
Download: ML111650038 (19)

Text

Seabrook Station Assessment Meeting Seabrook Station Safety Performance in 2010

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U.S. Nuclear Plant Safety in light of Japan Events 2010 Reactor Oversight Process Nuclear Regulatory Commission - Region I 1

NRC Representatives

• James Clifford- Deputy Director, Division of Reactor Projects

• Arthur Burritt - Branch Chief

• William Raymond - Senior Resident Inspector

• Jonathan Johnson - Resident Inspector 2

Agenda

• Introduction

• Discussion of safety performance at Seabrook

• Discussion of U.S. nuclear plant safety in light of Japan events

• NRC to address public questions

• Closing remarks 3

NRC Assessment Summary Seabrook

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

• Licensee Response column of the Action Matrix

• Baseline inspections planned for 2011 4

Inspection Activities 2010 Seabrook

• 6753 hours0.0782 days <br />1.876 hours <br />0.0112 weeks <br />0.00257 months <br /> of inspection and related activities

• 2 resident inspectors on site - residents perform inspections daily and can respond to plant events at any time

• 3 major team inspections

• CDBI

• Emergency Planning

• PI&R 5

Performance Indicator and Inspection Results January 1 through December 31, 2010 Seabrook

• All Green Performance Indicators

• 3 Green inspection finding 6

NRC Action Matrix Licensee Regulatory Degraded Multiple Repetitive Unacceptable Response Response Cornerstone Degraded Performance Cornerstone All Inputs are 1 or 2 White 2 White or 1 Multiple Yellow Inputs Overall Green; Inputs; Yellow Input; or 1 Red Input; Unacceptable Cornerstone Cornerstone Cornerstone Cornerstone Performance; Plants Objectives Objectives Objectives Met w/ Objectives Met w/ not permitted to Fully Met Fully Met Moderate Significant Operate w/in this Degradation in Degradation in Safety Column; Safety Performance Unacceptable Performance Margin to Safety

• Increasing safety significance

• Increasing NRC inspection efforts

• Increasing NRC/Licensee management involvement

• Increasing regulatory actions

2010 Seabrook Assessment Summary

• Seabrook was operated safely

• Licensee Response column of the Action Matrix

• Baseline inspections planned for 2011 8

Seabrook Assessment Meeting U.S. Nuclear Plant Safety in Light of Japan Events 9

U.S. Nuclear Plants Remain Safe

• NRC requires plants to be designed to withstand external events

• NRC requires a defense defense-in-depth in depth approach to safety

• NRC performs independent safety inspections

• NRC assesses new safety information and requires improvements 10

Designed for Site Specific Natural Events

• Earthquakes

• Tsunamis

• Hurricanes

• Floods

• Tornadoes 11

The NRC Requires Defense-In-Depth

• Redundant and diverse safety systems

• Multiple physical barriers to contain radioactive material

• Testing and inspection of systems important to safety

• Emergency planning 12

NRC Independent Safety Inspections Reactor Oversight Program

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

• At least two full-time NRC resident inspectors at each nuclear plant

• NRC specialists conduct additional inspections at each nuclear plant 13

NRC Requires Safety Improvements NRC assesses new safety information, develops lessons learned, and requires safety enhancements:

• NRC operating experience program

• Rulemaking (Station Blackout)

• Post TMI Actions

• Post 9/11 Orders

• Generic Safety Issues 14

NRC Response to Events in Japan

• NRC conducting a methodical and systematic review

• Near-term actions (<90 days)

- conducting additional inspections

- identifying near term operational issues

• Longer-term actions 15

Directors Comments Jim Clifford Deputy Director Division of Reactor Projects Region I 16

Meeting Ground Rules

1. Please be respectful to the speaker - only one speaker at a time

2. See NRC staff if you have procedural questions/concerns or still want to sign up.

3. NRC staff members will be available after the meeting to talk to those interested 17

Questions 18

Contacting the NRC

• Report a safety concern

• 1-800-695-7403

• allegation@nrc.gov

• General questions

• www.nrc.gov

• Region I Public Affairs

• Diane Screnci, 610-332-5330 or diane.screnci@nrc.gov

• Neil Sheehan, 610-332-5331 or neil.sheehan@nrc.gov 19