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 O'Grady 2 Introduction*Welcome to the first public meet ing for the Browns Ferry Unit 1 Restart Oversight Panel *Purpose-Review the project status-Discuss upcoming activities-Discuss challenges-Solicit feedback Agenda*IntroductionB. O'Grady*BFN SiteB. O'Grady*Organizational ChangesB. O'Grady*Unit 1 Overview and ScheduleM. Bajestani J. Valente E. Hollins*Returning Systems to ServiceR.G. Jones*Regulatory StatusJ. McCarthy*Nuclear AssuranceR. Baron*ConclusionB. O'Grady Brian O'Grady 3
BFN Site Brian O'Grady 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 O'Grady 5Changes highlighted.
Unit 1 Overview and ScheduleMasoudBajestani 6*On Schedule for Start-up May 2007 Significant MilestonesMasoudBajestani 7
Unit 1 Overview and ScheduleJoe Valente 8*Engineering-Current statusInput for programmatic submittals completedInput for two Technical Specificat ions pending NRC SERs on Topical Reports (DSS-CD and MELLLA+) Overall 88 percent complete-Remaining activitiesPrimarily in a field support roleClosuresSystem testing, Surveillance In structions and integrated testingCompleting System Plant Acceptance Evaluations (SPAE)and System Pre-operability Checklists (SPOCs)
H10 H12InserviceVessel Visual InspectionsJoe Valente 9*Typical Vessel Diagram InserviceVessel Visual InspectionsJoe Valente 10*Core Shroud-Ultrasonic Examination on 7 horizontal weldsIndications noted on H1, H2 , H3, H4, H5, H6, and H7 weldsAcceptance criteria met and no modifications or repairs required-Visual Examination on 4 remaining weldsNo 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 InserviceVessel Visual InspectionsJoe Valente 11*Core Spray and Sparger-Visual ExaminationIndications noted on spargerT-box weldIndications being evaluated*Steam Dryer-Visual examination of approxim ately 100% of the outside areaIndications noted:Drain channel weldsTop panel horizontal weldTack welds on hold down rod, gussets, and jacking boltDrain channel weld repair in progressDisposition of other indications in progress InserviceVessel Visual InspectionsJoe Valente 12*Top Guide-Visual Examination of the Top Guide Grid area-Minor indications noted
-Disposition of minor indications is in process*FeedwaterSparger-Visual Examination of the spargernozzles (per NUREG 0619)-No Recordable Indication InserviceVessel Visual InspectionsJoe 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 t he 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 (331/2miles) 123,675 feet 25,645 feet Conduit 6,167 3,500 757Hangers -Small Bore 28,136 feet 14,512 feet 2,122 feetPiping -Small Bore 1,741 1,136 168Hangers -Large Bore 15,267 feet 11,442 feet 2,342 feetPiping -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 StatusJoe McCarthy 18100%POWERBRKR CLOSEMODE 2STARTUPRPV HYDROILRTSTARTFUEL LOADPREPS FORFUEL LOADMODIFIED ECCS LOGIC INTEGRATION TESTING CONDENSERVACESTABLISHED NEWFUELRECEIPTGE INVESSELWORKCOMPLETEGE UNDER VESSEL WORK & CRD EXCHANGEGE START IN VESSELWORK6/10/05GATES OUT RPV FILL 4/05TORUS FILL2/20/05ACRSSUBCOMMTGLICENSERENEWALU1 STATUS MTGATLANTAACRS BFNSITE VISITENGINEERINGISSUE RB / DW / CB / TB /EPU DCN'S COMPLETE 3/04GE PREP'sSTART5/24/05DW MECHWORKCOMPLETECONTROL RODBLADE REPLACEMENTIVVICOMPLETELPRM & SRM DRY TUBE REPLACEMENTRESTART OVERSIGHT PANEL MEETINGS RESTART TS SUBMISSIONS COMPLETEACRS MTGLICENSE RENEWALLICENSERENEWAL APPROVALRESTART TSAPPROVALS(FUEL LOAD)NRCRESTART APPROVAL(MODE 2 STARTUP)TRANSITIONREMAININGCORNERSTONESTO ROPTRIENNIAL FIREINSPECTION RPELECTRICALCONDUIT,HVACSEISMICPROBLEM IDENTIFICATION & RESOLUTIONAPP RAMPACITYEQ FUSESELECTRICALSPLICESCABLE INSTALLATIONSEISMIC II / IPLATFORMPIPINGLARGE ANDSMALL BORESUPPORTSTVANORRNRC INSPECTIONSU1 RESTART MILESTONESREGULATORY MILESTONESU1 ACRSSUBCOM MTG7/08/05LARGE ANDSMALL BORESUPPORTSCABLE INSTALLATIONLTTIP EPGL 89-10MAINTENANCERULE Regulatory StatusJoe 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 2002Approved August 2003 -82 programmatic and completion submittals identified 29 submitted to date4 approved by NRR17 closed by Inspection ReportQuarterly status letter being used to notify NRC upon t he 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 toUnit 1Joe 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 attentionControl of work, Mechanical and Electr ical installation, testing, and system return to service Conclusion 22 Brian O'Grady