COMMISSION BRIEFING SLIDES/EXHIBITS

BRIEFING ON BROWNS FERRY

UNIT 1 RESTART

JANUARY 10, 2007
Browns Ferry

Unit 1 Restart

January 10, 2007

ILuis Reyes, Executive

Director for Operations
Agenda

* Licensing Status

" Inspection Status

* Summary

2
Licensing Status

* License Renewal

" License Amendments, Relief

Requests, Exemptions

" Special Programs

• Power Uprate

3
License Renewal

* Application submitted on January

6, 2004

" ACRS approval letter of March 23,

2006

" Licenses renewed for all 3 units on

May 4, 2006

" Over 9,000 staff hours for Unit 1

reviews (16,000 staff hours for Units 2 & 3) .

/4
License Amendments, Relief Requests, Exemptions

* 21 aimendments submitted for

restart

* 17 completed, remainder are

on schedule

* 12 relief requests and 3

exemptions completed

* About 13,000 staff hours

5
Special U

Programs

" Review of generic letters and

bulletins

* Three Mile Island action items

(NUREG-0737)

* Fire protection

" About 8,000 staff hours

6
Unit I Power Uprate

o Unit I uprate to 105% for restart

* Draft safety evaluation to ACRS on

December 1, 2006

* ACRS subcommittee meets on

January 16, 2007

* ACRS full committee meets on

February 1, 2007

7
Extended Power Uprate

Issues For The 3 Units

" Steam Dryer Integrity

" Large Transient Testing

" Containment Accident

Pressure

" Fuel Methodology

8
Regulatory Oversight

* IMC 2509 addresses Unit I

- Requirements for inspections

- Key features used from IMC 0350

- Transition to ROP

* Reactor Oversight Process (ROP)

-4 of the 7 cornerstones already in

use

9
Inspection Status

* Staff Support

* Areas of Inspection

" Remaining Inspections

- System Preoperability Checklist

- Operational Readiness

Assessment Team

- Restart and Power Ascension

Testing Inspections

10
Performance Assessment

• NRC to TVA letter dated 8/15/06

discussed plant performance

" Unit I Enforcement History

* Unit I Allegations

11
Restart Inspection Status

E- Open Items with scheduled inspections

El Open Items with field inspection complete

N Closed Items

12
IMC 2509 Restart Process

Panel & Regional

Management

briefed on ORAT

Panel

recommends

estart I.

NRR/Rll

< Consultatio

13
Summary

" Unit I preparations continue to

be performed in a safe manner

" ORAT inspection will provide

insight into status of readiness

* Request authority for Unit I

restart in accordance with IMC

2509

14
Acronyms

" ACRS- Advisory Committee on

Reactor Safeguards

* IMC- Inspection Manual

Chapter

" EPU- Extended Power Uprate

* NRR,- Office of Nuclear

Reactor Regulation

15
Acronyms

• ORAT- Operational Readiness

Assessment Team

SRA- Regional Administrator

* SPOC- System Pre-Operability

Checklist

16
TENNESAUTORIALLE 

TENNESSEE VALLEY AUTHORITY

BROWNS FERRY NUCLEAR PLANT

UNIT 1 RESTART

NRC Commission Briefing

January 10, 2007
Agenda

0 Introduction Karl Singer

* Unit-1 Recovery Overview

* Recovery Process

* Operational Readiness

• Conclusion

Ashok Bhatnagar

Masoud Bajestani

Brian O'Grady

Karl Singer

Karl Singer

2
Introduction AH -ft

* We are Confident that it is Safe to Operate Browns Ferry Unit 1

- Identical to Units 2 & 3 restart processes

o Rigorous design and modification process through turnover to

operations

o Extensive testing, self assessments and quality oversight

o Unit 1 returns to service with improved margins

- Operational perspective throughout modification and testing

- Time and resources to do the job right

Karl Singer

3
[,

M

Control Rod Drive Accumulators

Elevation 565 West side

November 2006

G" 'M

hf.j

//

I A f1~

~

'U

December 2006

4
MI

Reactor Water Cleanup

Pump 1A

Elevation 593

December 2002

N

Deeme 20011 

December 2006

5
IMI Standby Liquid Control

Elevation 639

May 2002

I I

1W

U

N

December 2006 I

K')

6
Unit 1 Recovery

" Regulatory Framework Agreed to Between NRC and TVA

" Unit 1 Recovery Based on Lessons Learned from Units 2 & 3

" Scope of Unit 1 Restart Project Incorporated:

- The same restart programs as Units 2 & 3

- The same upgrades as installed on Units 2 & 3 including Power

U prate (105%)

* Unit 1 has the Same Licensing Basis as Units 2 & 3

" Unit 1 is Operationally Similar to Units 2 & 3

" Effective Recovery Process used for Units 2 & 3 Yielded a Ten

Yearý Gross Capacity Factor - 91.5%

Ashok Bhatnagar

7
Rigorous Recovery Process

Project is 98% Complete

- All design modification packages issued

- Bulk of design modifications implemented

o Drywell work complete

o Reactor Building work essentially complete

o Remaining work is primarily balance of plant systems

o NRC inspection of 26 of 30 Special Programs complete

- 38 Systems modification complete

- Two Phased approach to system completion

o Modification and component testing complete

o System and surveillance testing complete

Masoud Bajestani

8
System Turnover & Test

* Restart Test Program

- Purpose

- Post-maintenance and post-modification component testing

- System testing

- Integrated system testing

* System Turnover Process

- Organizations Involved

- Key Elements

- Rigorous / Disciplined approach to demonstrating system

operability

- Results to date

Brian O'Grady

9
System Turnover & Test

* Fuel Load Completed December 22, 2006

* Power Ascension Test Program

- Systematic, controlled approach to full power

- Single pump trip tests

- Large transient testing

o Generator load reject

o Main steam line isolation valve closure

Brian O'Grady

10
Trained/Qualified Staff IIVAI

" Staffed for Safe Three Unit Operation

* Successful Transition to an Operating Organizational

Structure

* Operations Organization

- Experienced staff

- Licensed on all three Units

Brian O'Grady

11
Comprehensive Oversight

* Self Assessments

- Department Self Assessments

- Challenge Boards

- Corrective Action Program

* Operational Readiness Assessment Program

- Nuclear Safety Review Board (with external members)

- Institute of Nuclear Power Operation Review

" Nuclear Assurance

- Formal program audits

- Focused assessments

- Unit 1 Startup Oversight Plan

* NRC Inspection Activities

Brian O'Grady

12
Conclusion IRAI

" Work is Nearly Done

* Recovery Processes are Effective and Yielding

Positive Results in our Testing

" Readiness Reviews and Assessments Complete

* Plant Ownership is Imposing High Standards of

Nuclear Safety

" Regulatory Process and Communications are Sound

Karl Singer 13