ML090480486

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TVA December 11, 2008 - Public MtgR1
ML090480486
Person / Time
Site: Watts Bar Tennessee Valley Authority icon.png
Issue date: 02/23/2009
From:
Tennessee Valley Authority
To:
Office of Nuclear Reactor Regulation
Milano P, NRR/DORL, 415-1457
Shared Package
ML0904803888 List:
References
TAC MD6311
Download: ML090480486 (15)


Text

TENNESSEE VALLEY AUTHORITY WATTS BAR UNIT 2 CONSTRUCTION COMPLETION PROJECT PUBLIC MEETING WITH NRC December 11, 2008

2 Agenda

  • Project Overview M. Bajestani
  • Engineering / Procurement E. Freeman
  • Construction J. Schlessel
  • Refurbishment B. Briody
  • Quality Assurance R. Baron
  • Safety Conscious Work Environment G. Arent
  • Licensing Activities G. Arent
  • Conclusion M. Bajestani M. Bajestani

3 WBN Unit 2 Construction Completion Unit 2 - Substantially Complete at time of Unit 1 Operating License Detailed Scoping Estimating and Planning Study Performed - 2007

- Plant equipment and material condition good

- WBN 1 and SQN 1 and 2 plants are proven technology - all units have performed well Integrated Schedule Developed - June 2008 Developed Project Procedures Started Detailed Walkdowns to Assess Remaining Scope M. Bajestani

4 WBN Unit 2 Construction Completion Guiding Principles for Construction Completion :

- Ensuring public health and safety

- Safe continued and uninterrupted operation of WBN Unit 1

- Fidelity of the Unit 1 and Unit 2 Design Basis and physical operation

- Lessons Learned from Browns Ferry Unit 1 Recovery M. Bajestani

5 WBN Unit 2 Major Contractors Bechtel

- Engineering, Procurement and Construction Siemens

- Turbine/Generator Activities Westinghouse

- NSSS Activities M. Bajestani

6 WBN Unit 2 Integrated Schedule DSEP TVA Board Decision Full Power Operation October 2012 FY 2007 FY 2008 FY 2009 FY 2010 O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M FY 2011 FY2012 FY 2013 FSAR Amendment / OL Update - March 2010 Ready for Fuel Load April 2012 Regulatory Framework Construction Reactivation letter Licensing Activity Significant Project Milestone Major Engineering Complete - December 2009 Detailed Project Schedule Commence Principal Construction Activities Turbine on Turning Gear - October 2010 Primary Hydro - May 2011 Hot Functional - August 2011 M. Bajestani

7 Engineering / Procurement Engineering

- Walkdown packages

- Calculations

- Work Packages and Design changes

- Corrective Action Program work

- Review of Employee Concerns and other historical documents Procurement

- Requests for long lead material

- Vendor oversight E. Freeman

8 Construction Infrastructure in place Scaffolding Walkdowns Secondary Side work

- Turbine/Generator

- Condenser retube Nuclear Safety System work

- Snubber removal

- Penetration seals J. Schlessel

9 Construction COMMODITY TOTAL PROJECT (estimate)

Piping - Large Bore 8,000 feet Piping - Small Bore 30,000 feet Hangers 9,400 Cable 840,000 feet Conduit 73,000 feet Conduit Supports 12,000 Terminations 193,000 Tubing 57,000 feet J. Schlessel

10 Refurbishment Rework or Replace Components based on

- Programmatic requirements

- Vendor recommendations

- Lessons Learned from WBN1

- Operating Experience Replacement of Elastomer Seats, Gaskets and Packing as required to Restore Components to Meet or Exceed Original Specifications B. Briody

11 Refurbishment COMMODITY TOTAL PROJECT (estimate)

Pumps 80 Motors 90 Breakers 600 Manual Valves 4000 Air Operated Valves 500 Motor Operated Valves 200 Safety/Relief Valves 300 B. Briody

12 Quality Assurance QA Program

- TVA Revised QA Program

- TVA Approved Bechtel QA Manual ASME Code

- TVA Issued ASME QA Manual

- Bechtel Issued ASME QA Manual TVA Oversees Bechtel Safety and Quality Related Activities Lessons Learned from Browns Ferry Unit 1 Recovery R. Baron

13

  • Bechtel & TVA Employee Concerns Programs (ECP) in place
  • New Employee Orientation includes a presentation of ECP/SCWE
  • Training provided to TVA and Bechtel Managers regarding their role in maintaining a SCWE
  • Exit Interviews are conducted for released employees to offer opportunity to raise any nuclear safety/quality issues
  • Corrective Action Program Training Safety Conscious Work Environment G. Arent

14 Licensing Activities License Basis Reconstitution Completed

- Regulatory Framework Review of NRC Safety Evaluation Report Status of Generic Communications Corrective Action Plans Extended Construction Permit to Allow for Construction Completion and Testing Next Steps

- Amend Safety Analysis Report

- Update Operating License Application

- Evaluate New Regulations

- Continuing Support for NRC Inspections G. Arent

Conclusion Detailed Walkdowns to Assess Remaining Scope in Progress Preparing Work Packages and Design changes Procuring Long Lead Time Material Started Secondary Side Work Employee Concerns Programs in Place License Basis Reconstitution Completed Questions contact Terry Johnson at (423) 751-8675 or twjohnson@tva.gov 15 M. Bajestani