ML20127K907
| ML20127K907 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 08/10/1992 |
| From: | CAROLINA POWER & LIGHT CO. |
| To: | CAROLINA POWER & LIGHT CO. |
| References | |
| NUDOCS 9301260267 | |
| Download: ML20127K907 (14) | |
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I CAROLINA POWER & LIGHT COMPANY MEETING WITH THE NUCLEAR REGULATORY COMMISSION AUGUST 10,1992 1
f iI' BRUNSWICK NUCLEAR PROJECT 22003~ ,
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- CAROLINA POWER & LIGHT COMPANY
'. BRUNSWICK NUCLEAR PROJECT MEETING WITH THE NUCLEAR REGULATORY COMMISSION AUGUST 10,1992 AGENDA 1:00 p.m. - 1:15 p.m. Opening Remarks Al Watson 1:15 p.m. - 1:45 p.m. Status of Nuclear Engineering Ashleigh Lucas Department Short-Term Actions
. Drilled in Anchors
. Block / Masonry Walls
. Structural Steel
. Short-Term Structuralintegrity 1:45 p.m. - 2:00 p.m. Status of Other Short Term Actions Jack Spencer
. Deferred Equipment Maintenance issues
. Backlogs of Temporary Conditions and Operator Work-arounds
. Other 2:00 p.m. - 2:30 p.m. Pre-Startup/ Post-Startup Work item Jack Spencer Classification and Post-Startup Backlog Disposition 2:30 p.m. - 3:00 p.m. Comments Regarding CP&L's July 23 Stewart Ebneter Submittal to the NRC 1
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PERFORMANCE IMPROVEMENT PROGRAM I SHORT TERM ACTIONS l (REQUIRED PRE-STARTUP)
COMPLETION ITEM SCHEDULE NO. DESCRIPTION A- Equipment Corrosion Problems Prior l
Al Complete corrosion repairs to existing service water lubrication to water piping supports. [ DESIGN COMPLETE, FIELD WORK COMPLETE ON 88 Start-up OF 144 ITEMS)
Perform a third-party walkdown of non-pipe support short term ** COMPLETE **
A2 structural integrity items and pipe supports in areas Address with high any corrosion potential to validate design assumptions.
l identified deficiencies in accordance with the methodology in Enclosure 2. [ CORROSION WALKDOWNS COMPLETE, NO REPAIR ISSUES NOTED]
Address corrosion repairs of seismic instrument racks in accordance Prior A3 to with the methodology in Enclosure 2. [8 RACKS EACH UNIT. DESIGN Start-up l IBSUED FOR 4 RACKS. 3 REMOVED WITH REPLACEMENTS IN FABRICATION]
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c PERFORMANCE IMPROVEMENT PROGRAM SHORT TERM ACTIONS (REQUIRED PRE-STARTUP)
B Deferred Equipment Maintenance Issues-B1 Correct the 480 VAC emergency bus feeder breaker spring tension. Prior (TOTAL OF 58 BREAKERS. 3 REFURBISHED TO DATE] to Start-up.
- B2 Repair the Unit 1 UPS primary-inverter. Complete-B3 Complete the Unit 1 battery discharge tests. [ UNIT 1 BATTERIES. Complete BEING CHANGED OUT DURING SPRING OUTAGE]
B4 Complete'the Unit.2 turbine' exciter coupling changeout and Complete alignment.
B5 , Install modifications to enhance Unit 2 turbine partial arc Installation operation. [ INITIAL' WORK ~ SCOPE COMPLETED - REVISED WORK SCOPE TO BE Complete COMPLETED 9/18]
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. B6 Complete refurbishing.the Unit.2 control valve power packs'and Complete changing"out1 turbine electro-hydraulic control system accumulators.
B7 Complete inspection of cylinder 4L on emergency diesel generator 3. Complete B8 Replace the '2BL ' reactor feed pump -wear ring. Complete B9 Repair the IB control rod drive' pump. Complete B10 Replace current transformers in the emergency busses that would Complete require a dual unit outage.
B11~ Modify main stack radiation monitor. isokinetic sampling probe. ** COMPLETE **
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PERFORMANCE IMPROVEMENT PROGRAM BHORT TERM ACTIONS (REQUIRED PRE-STARTUP)
C - Potential Structural Deficiencies C1 Complete Unit 1 and Unit 2 Drywell Phase 2 miscellaneous steel Prior walkdowns and Unit 1 and Unit 2 Reactor Building Phase 1 to Miscellaneous steel walkdowns. Complete preliminary bounding load Start-up studies. Address repairs, as required in accordance with the methodology in Enclosure 2. [ UNIT 2 REACTOR BUILDING DHASE I WALKDOWN 96% COMPLETE. UNIT 2 DRYWELL. PHASE 2 WALKDOWN 10%
COMPLETE. IRREGULARITIES BEING EVALUATED - NO OPERABILITY ISSUES IDENTIFIED TO DATE]
C2 Repair of five reinforced concrete non-load bearing wall panels in Prior the diesel generator building to restore them to their design to configuration. [ PHYSICAL WORK COMPLETE - FINAL ENGINEERING REVIEW Start-up IN PROGRESS]
C3 Complete repairs to structural angle restraints for diesel Prior generator building block walls to restore the walls to their design to configuration. [ PHYSICAL WORK COMPLETE - FINAL ENGINEERING REVIEW Start-up IN PROGRESS]
C4 Perform a design review and a field inspection review,.when Prior necessary, of the non-safety masonry walls at the Brunswick Plant to to verify the walls are appropriately classified. Address any Start-up identified deficiencies in accordance with the methodology in Enclosure 2. [ REVIEWS COMPLETE. UPGRADES IDENTIFIED. DESIGNS IN PROGRESS]
C5 Remove accessible non-functional through-bolts and install cover Complete plates over the holes in the diesel generator building walls.
C6 Perform an integrity inspection (i.e., for cracks, general Prior condition) of unreinforced masonry walls that are classified as to safety-related. Address any identified deficiencies in accordance Start-up with the methodology in Enclosure 2.[WALKDOWN COMPLETE. EVALUATIONS NEARING COMPLETION]
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PERFORMANCE IMPROVEMENT PROGRAM SHORT TERM ACTIONS (REQUIRED PRE-STARTUP)
C - Potential Structural Deficiencies Complete repairs of upgrading seismic classification walls in the Prior C7 control building (elevation 49 foot) that have been determined to to Start-up be required post-earthquake for control room habitability i
requirements. [ COMPLETE EXCEPT FOR WALL 6C WHICH IS IN PROGRESS]
I Perform a review of IE Bulletin 80-11 program for the Brunswick Prior C8 Plant. The review will address existing masonry wall functions to including missile barrier, tornado barrier, ventilation barrier, ct Address any Start-up other functions for which it is not analyzed.
identified deficiencies in accordance with the methodology in f
Enclosure 2. [ REVIEWS COMPLETE. UPGRLUES IDENTIFIED. DESIGNS IN l
PROGRESS] ,
Prior
! C9 ccmple*s long term qualification of the emergency diesel generator to f exhaust line supports to include tornado loading requirements. Start-up j
[ WORK COMPLETE'- 3 SUPPORTS OPERABLE, 1 FUNCTIONAL PENDING
! CALCULATION REVIEW)
Review the IE Bulletin 79-02 (Pipe Support Anchor) Program to ** COMPLETE **
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' ensure compliance and to ensure methods of inspection used would have detected deficient bolt installation.[ REVIEW COMPLETE, VALIDITY OF PROGRAM CONFIRMED)
- COMPLETE **
C12 Complete field inspections to assure that calculations supporting interim seismic operability of the service water system pumps are I valid. Address any identified deficiencies in accordance with the methodology in Enclosure 2. [ REVIEW COMPLETE. INTERIM PUMP OPERABILITY CONFIRMED]
Perform a third-party review of the short term structural integrity Prior C12 to program to address evaluation techniques, field validation of Start-up critical assumptions, and a review of communications from the Technical Support organization to the Engineering organization.
Address any identified deficiencies in accordance with the methodology in Enclosure 2. [ THIRD PARTY REVIEW COMPLETE. REPORT UNDER REVIEW) 5
PERFORMANCE IMPROVEMENT PROGRAM SHORT TERM ACTIONS (REQUIRED PRE-STARTUP)
C - Potential Structural Deficiencies Complete repairs of recirculation system ring header hangers. Prior C13 to
[ SPRING CAN WORK IN PROGRESS. 7 OF 9 COMPLETE UNIT 2, 2 OF 9 Start-up COMPLETE UNIT 1. SNUBDER SUPPORT UPGRADE DESIGNS TO DE ISSUED IN AUGUST)
Complete design-and installation of additional pipe supports for Prior C14 to !
the service water lubrication water piping. [88 OF 144 COMPLETE. Start-up TARGET COMPLETION DATE IS 9/1]
Address seismic repairs of electrical motor control centers in ** COMPLETE **
CIS accordance with the methodology in Enclosure 2. [ PHYSICAL WORK COMPLETE. ALL MCCs OPERABLE]
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PERFORMANCE IMPROVEMENT PROGRAM SHORT TERM ACTIONS (REQUIRED PRE-STARTUP) l D - Backlogs of Temporary Conditions and Operator Work-Arounds Prior D1 Temporary conditions involving short term structural integrity to items will be reduced in accordance with the methodology in Start-up Enclosure 2.[47 COMPLETE]
Prior D2 Temporary conditions other than short term structural integrity to items will be reduced in accordance with the methodology in Start-up Enclosure 2. [43 COMPLETE]
Prior 1
D3 Reduce the number of operator work-around items (disabled to j
' annunciators, RTGB indicator deficiencies, and caution tags) in Start-up accordance with the methodology in Enclosure 2. [204 COMPLETE]
Prior l D4 Reduce the outage backlog of corrective maintenance in accordance to with the methodology in Enclosure 2. [4119 COMPLETE] Start-up i
Prior f D5 Reduce the outage backlog of preventative maintenance in accordance to j with the methodology in Enclosure 2. [ WORK IN PROGRESS] Start-up i
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l PERFORMANCE IMPROVEMENT s*ROGRAM SHORT TERM ACTIONS (REQUIRED PRE-STARTUP)
E - Equipment Deficiencies Discovered During Walkdowns Walkdown El Perform hot side walkdown inspections. Address any identified Complete deficiencies in accordance with the methodology in Enclosure 2. 1 Walkdown E2 Perform cold side walkdown inspections. Address any identified Complete deficiencies in accordance with the methodology in Enclosure 2.
WORK SCOPE
[ APPROX 2000 IRREGULARITIES IDENTIFIED FROM HOT APPROX 500AND COLD UNDER SIDE WALKDOWN.
EVALUATION.] .
IDENTIFIED AND IN PROGRESS FOR APPROX 1500.
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PERFORMANCE IMPROVEMENT PROGRAM SHORT TERM ACTIONS I (REQUIRED PRE-STARTUP)
F - Other Correct leakage on a feedwater check valve hinge pin and a main Complete F1 steam isolation valve (MSIV) packing (total was less than 50 percent of Technical Specification allowed limit) and a nitrogen leak on a drywell cooler, which was identified during Unit 1 drywell inspections. [F010A AND B TO BE CHANGED OUT PRIOR TO UNIT 1 STARTUP. UNIT 2 VALVEB REPLACED FALL 91 OUTAGE]
Prior F2 Complete repairs to neutron monitoring detectors in accordance with to
' the methodology in Enclosure 2. [ UNIT 1 - 3 OF 3 IRMs REPAIRED, 3 Start-up OF 11 LPRMs REPAIRED. UNIT 2 - 1 OF 1 SRM REPAIRED, 1 OF 3 IRMs REPAIRED, 4 OF 8 LPRMs REPAIRED.]
Complete the Unit I secondary containment isolation test scheduled Complete F3 for the next refueling outage (Reload 8). l Prior F4 Complete 4kV bus crosstie modification (part of 10 CFR 50.63 to implementation). [ PHYSICAL WORK COMPLETE. ACCEPTANCE TESTING Start-up SCHEDULED TO COMPLETE 8/17]
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BRUNSWICK NUCLEAR PROJECT i OUTAGE PROGRESS
SUMMARY
AS OF AUGUST 6,1992 I
April 21 Emergent Total WORK ITEM Existing Complete Added Complete Work items Completed Short Term Structuralintegrty 212 47 12 0 224 47. .
Other Temporary Condklons 204 35 17 8 221 43 Temporary Caution Tags U1 80 15 18 0 98 15 Temporary Caution Tags U2 60 25 24 15 84 40 Disabled Annunciators Ut 20 2 1 0 21 2 Disabled Annunciators U2 20 1 1 0 21 1 t
Reactor-Turbine Generator Board - 80 63 24 4 104 67 Unit 1 Reactor-Turbine Generator Board 60 46 17 117 77 Unit 2 s Outage Work Request / Job Orders 783 212 581 155 1364 367
-Unt1 Outage Work Request / Job Orders 673 346 677 230 1350 576 .
- Unit 2 [
NonW Work Request / Job 993 328 1673 807 2666' 1135 Orders - Una i Non-Outage Work Request / Job 1A 777 2415 1264 3997 2041
' Orders - Unit 2 l
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BRUNSW CK NUCLEAR P 90JEC-~
PRE-STARTU 3 EXCE 3TIO \ VIETHODOLOGY L> SCOPE .
- 390 CESS 3RE-SC 9E E.\ N G 3AC(LOG 9EVI EW CO V Vll-~~~E.E 3 _AN-~ \lUCL EA 9 SA.= E-~Y CO VI VllTTE E S ~~E V AN AG E 9 l
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'e mmt 524 Logi c Procoss For Distinguishing L' Pre- and Post- Startup Work items .__
Work Ust
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1 ltems (such as maintenance, design or structural deficiencies etc.) which are not currently seneduled, on the pre-startup list, or new emergent items.
9F Pre- Startup Determination
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Yes Spee or NM cornmetmem to Pro. Startuo No g Safety System Avalthallity j
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4 eet Scapden ; F0ccxeteo Commitment l
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& FOnerator Work Arounos
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a um rew me a p'Ocarating Rollacility l 4 i y,, ( Other mr PNSC Review ena Assessment NP ,.
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- Pre- Startup List h ; Post- Startup Li tl
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BRUNSWICK NUCLEAR PROJECT POST-STARTU1 BACK_OG D SPOS TION
- POST-STARTUP BACKLOG ORGANIZATION s
- WORK PROCESS IMPROVEMENTS l
L+ RISING. STANDARDS SPECIFIC TO BACKLOGS u
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