ML060060555
| ML060060555 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 12/07/2005 |
| From: | Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML060060553 | List: |
| References | |
| Download: ML060060555 (22) | |
Text
TENNESSEE VALLEY AUTHORITY BROWNS FERRY NUCLEAR PLANT UNIT 1 RESTART OVERSIGHT PANEL MEETING December 7, 2005
Brian OGrady 2
Introduction Welcome to the first public meeting for the Browns Ferry Unit 1 Restart Oversight Panel Purpose
- Review the project status
- Discuss upcoming activities
- Discuss challenges
- Solicit feedback
Agenda Introduction B. OGrady BFN Site B. OGrady Organizational Changes B. OGrady Unit 1 Overview and Schedule M. Bajestani J. Valente E. Hollins Returning Systems to Service R.G. Jones Regulatory Status J. McCarthy Nuclear Assurance R. Baron Conclusion B. OGrady Brian OGrady 3
BFN Site Brian OGrady 4
Recent Organizational Change Three Unit Operation
- All three units operationally the same
- Site staffing plan
- New simulator
- Status of operational units Oversight
- Operational Readiness program
- Nuclear Safety Review Board
- Nuclear Safety Oversight Committee Overall Unit 1 Restart Project 73% Complete
Organizational Changes Brian OGrady 5
Changes highlighted.
Unit 1 Overview and Schedule Masoud Bajestani 6
On Schedule for Start-up May 2007
Significant Milestones Masoud Bajestani 7
Unit 1 Overview and Schedule Joe Valente 8
Engineering
- Current status Input for programmatic submittals completed Input for two Technical Specifications pending NRC SERs on Topical Reports (DSS-CD and MELLLA+)
Overall 88 percent complete
- Remaining activities Primarily in a field support role Closures System testing, Surveillance Instructions and integrated testing Completing System Plant Acceptance Evaluations (SPAE) and System Pre-operability Checklists (SPOCs)
H10 H12 Inservice Vessel Visual Inspections Joe Valente 9
Typical Vessel Diagram
Inservice Vessel Visual Inspections Joe Valente 10 Core Shroud
- Ultrasonic Examination on 7 horizontal welds Indications noted on H1, H2, H3, H4, H5, H6, and H7 welds Acceptance criteria met and no modifications or repairs required
- Visual Examination on 4 remaining welds No recordable indications on H-8, H-9, H-10, and H-12 welds Jet Pump
- Visual Examination on all 20 Pumps
- Indications noted Set screw gaps and tack welds
- Disposition of these minor indications is in process
Inservice Vessel Visual Inspections Joe Valente 11 Core Spray and Sparger
- Visual Examination Indications noted on sparger T-box weld Indications being evaluated Steam Dryer
- Visual examination of approximately 100% of the outside area Indications noted:
Drain channel welds Top panel horizontal weld Tack welds on hold down rod, gussets, and jacking bolt Drain channel weld repair in progress Disposition of other indications in progress
Inservice Vessel Visual Inspections Joe Valente 12 Top Guide
- Visual Examination of the Top Guide Grid area
- Minor indications noted
- Disposition of minor indications is in process Feedwater Sparger
- Visual Examination of the sparger nozzles (per NUREG 0619)
- No Recordable Indication
Inservice Vessel Visual Inspections Joe Valente 13 Other
- Visual Examination of reactor pressure vessel interior per ASME Code Requirements
- Access Hole Cover Modification
- Core Plate Plugs
- Shroud Head Bolts Replacement
- Jet Pump Sensing Line Clamp Modification
- Core Plate Hold Down Bolts
Unit 1 Overview and Schedule Elvis Hollins 14 Current status
- Modifications are 69% complete Major Work Completed Since Last Meeting
- Completed Unit 1 HFA relay replacement
- Completed reactor vessel IVVI original scope
- Installed refurbished Component Cooling Water pumps and motors
- Installed refurbished Reactor Recirculation pumps and motors
- Performed stress improvement of welds
- Refurbished and reassembled the 1A Control Rod Drive pump
- Refurbished Control Rod Drive Hydraulic Control Units
- Refurbished and reassembled the inboard Main Steam Isolation Valves (MSIVs)
- Replaced Local Power Range Monitors (LPRMs)
- Replaced Source and Intermediate Range Monitors
- Replaced the 4KV breakers
Unit 1 Overview and Schedule Elvis Hollins 15 Major Work In-progress
- Cable tray, conduit and support installation
- Control Rod Drive exchange
- Control Room Design Review modifications
- Core Spray and Residual Heat Removal room coolers replacement
- Large and small bore pipe replacement
- LPRM hard cable replacement
- Pipe hanger installation
- Refurbishment of outboard MSIVs
- Replacement of 185 control rod blades
- Switchyard breaker replacement and additions
- Traveling water screen refurbishment
- Upgrading Madison substation
Unit 1 Overview and Schedule Elvis Hollins 16 Status of Major Commodities
- Installed as of November 20, 2005 1,534 1,481 40 Cable Tray Supports 9,747 9,034 621 Cable Tray 870,788 feet (165 miles) 257,759 feet 129,193 feet Cable 106,265 35,631 13,515 Cable Terminations 20,483 13,920 2,685 Conduit Supports 177,008 feet (331/2 miles) 123,675 feet 25,645 feet Conduit 6,167 3,500 757 Hangers - Small Bore 28,136 feet 14,512 feet 2,122 feet Piping - Small Bore 1,741 1,136 168 Hangers - Large Bore 15,267 feet 11,442 feet 2,342 feet Piping - Large Bore END OF PROJECT TOTAL CURRENTLY INSTALLED*
INSTALLED SINCE THE 7/20/05 TVA/NRC MEETING COMMODITY
Returning Systems to Service R.G. Jones 17 System Plant Acceptance Evaluations
- 34 completed
- 27 scheduled in the next six months System Pre-operability Checklists (SPOCs) Phase I
- 11 completed
- 1 scheduled in the next six months System Pre-operability Checklists (SPOCs) Phase II
- 8 completed
- 2 scheduled in the next six months Residual Heat Removal Service Water Testing Completed Unit 1 / Units 2 and 3 Interface
Regulatory Status Joe McCarthy 18 100%
POWER BRKR CLOSE MODE 2 STARTUP RPV HYDRO ILRT START FUEL LOAD PREPS FOR FUEL LOAD MODIFIED ECCS LOGIC INTEGRATION TESTING CONDENSER VAC ESTABLISHED NEW FUEL RECEIPT GE IN VESSEL WORK COMPLETE GE UNDER VESSEL WORK &
CRD EXCHANGE GE START IN VESSEL WORK 6/10/05 GATES OUT RPV FILL 4/05 TORUS FILL 2/20/05 ACRS SUBCOM MTG LICENSE RENEWAL U1 STATUS MTG ATLANTA ACRS BFN SITE VISIT ENGINEERING ISSUE RB / DW /
CB / TB /EPU DCN S COMPLETE 3/04 GE PREPs START 5/24/05 DW MECH WORK COMPLETE CONTROL ROD BLADE REPLACEMENT IVVI COMPLETE LPRM & SRM DRY TUBE REPLACEMENT RESTART OVERSIGHT PANEL MEETINGS RESTART TS SUBMISSIONS COMPLETE ACRS MTG LICENSE RENEWAL LICENSE RENEWAL APPROVAL RESTART TS APPROVALS (FUEL LOAD)
NRC RESTART APPROVAL (MODE 2 STARTUP)
TRANSITION REMAINING CORNERSTONES TO ROP TRIENNIAL FIRE INSPECTION RP ELECTRICAL
- CONDUIT, HVAC SEISMIC PROBLEM IDENTIFICATION & RESOLUTION APP R AMPACITY EQ FUSES ELECTRICAL SPLICES CABLE INSTALLATION SEISMIC II / I PLATFORM PIPING LARGE AND SMALL BORE SUPPORTS TVAN ORR NRC INSPECTIONS U1 RESTART MILESTONES REGULATORY MILESTONES U1 ACRS SUBCOM MTG 7/08/05 LARGE AND SMALL BORE SUPPORTS CABLE INSTALLATION LTTIP EP GL 89-10 MAINTENANCE RULE
Regulatory Status Joe McCarthy 19 Unit 1 License Amendments
- 21 amendments identified
- 16 submitted to date
- 2 submittals pending NRC issuance of Topical Report SERs
- 5 approved by NRC
- 6 on hold pending resolution of Method 3 instrument setpoint methodology Relief Requests
- 5 relief requests submitted and approved by NRC
- Risk informed ISI to be submitted for post-restart implementation
Regulatory Status Other Unit 1 Submittals Regulatory Framework Submitted December 2002 Approved August 2003 82 programmatic and completion submittals identified 29 submitted to date 4 approved by NRR 17 closed by Inspection Report Quarterly status letter being used to notify NRC upon the completion of Bulletins, Generic Letters, TMI Action Plan Items, and Nuclear Performance Plan Special Programs Regulatory Challenges Applicability of existing BFN Appendix R/Fire Protection SERs to Unit 1 Joe McCarthy 20
Nuclear Assurance Raul Baron 21 Focus Areas
- Areas with noted improvement and reduced Nuclear Assurance attention Welding, material control, coatings, piping/pipe supports, and Fire Protection
- Continued Nuclear Assurance attention Control of work, Mechanical and Electrical installation, testing, and system return to service
Conclusion 22 Brian OGrady