BSEP-98-0058, Identifies Actions Necessary to Support Program Closure of GL 89-10, Safety-Related MOV Testing & Surveillance. Encl 1 Details Remaining Program Actions & Encl 2 Lists Regulatory Commitments
| ML20217A162 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 03/20/1998 |
| From: | Jury K CAROLINA POWER & LIGHT CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| BSEP-98-0058, BSEP-98-58, GL-89-10, NUDOCS 9803240293 | |
| Download: ML20217A162 (10) | |
Text
- h
.,y y LCP&LI Caronna Power 8 Ught Company
' P.o. Box 10429 Southport, NC 28461-0429
' MAR 2 01998.
- SERIALi B'SEP 98-0058
- U. S. Nuclear Regulatory Commission LATTN:'. Document Control Desk Wsshington,DC 20555 1 BRUNSWICK STEAM ELECTRIC PLANT, UNIT NOS.1 AND 2 DOCKET NOS. 50-325 AND 50-324/ LICENSE NOS. DPR-71 AND DPR-62 GENERIC LETTER 89-10 MOTOR-OPERATED VALVE PROGRAM COMMITMENTS
- RELATED TO PROGRAM CLOSURE Gentlemen:
In letters dated June 21,1995, (BSEP 95-0247) and April 12,1996, (BSEP 96-0138) the NRC we informed that the Brunswick Steam Electric Plant (BSEP) had completed implementing a
. Motor-Operated Valve (MOV) program in accordance with NRC Generic Letter (GL) 89-10,
" Safety-Related Motor-Operated Valve Testing And Surveillance," based on completion of the
. necessary testing and preparation of MOV setup' calculations needed to demonstrate MOV capability under design bases conditions. These calculations were prepared using the best available information at the time and, as such, Carolina Power & Light (CP&L) Company considered BSEP GL 89-10 closure notification letters to be accurate at the time ofissuance.
. Since the issuance of BSEP GL 89-10 closure notification letters, additional information that could potentially impact BSEP MOV setup calculation assumptions became available. In
/
' addition, during the NRC GL 89-10 closeout inspection conducted at CP&L's H. B. Robinson
)
Steam Electric Plant (HBRSEP) in September through November 1996, programmatic implementation concems were identified. CP&L recognized that some of these concems were f)b6f potentially' applicable to the BSEP GL 89-10 MOV program. The "CP&L GL 89-10 Corporate LImprovement Plan" and the "1997 Impmvement Plan & Schedule For The Brunswick -
l Motor % rated Valve Program" were developed to address these concems.
L The NRC conducted'an inspection of the BSEP GL-89-10 MOV program from August 18
' x through August 27,' 1997c During this inspection the NRC identified that although enhancements -
o 0
> : to the BSEP GL 89-10 MOV progwn had been initiated since the HBRSEP GL 89-10 inspection, additional information/ actions were needed to support NRC closure of GL 89-10 for
- 9903240293 990320' E o
PDR:'ADOCK 05000324C 4
. P. :, '
PDR M v
g l
Document. Control Desk-
' BSEP 98-0058 / Page 2 BSEP. In a letter dated October 2,1997, (BSEP 97-0408) the NRC was notified of further actions being taken to improve the program and to support NRC closure of GL 89-10 for BSEP.
From March 2 to March 6,1998, the NRC conducted additional inspection activities to assess program closure readiness. As part of the inspection activities, items were identified that are '-
necessary to support closure of the GL 89-10 program.' This letter supersedes BSEP 97-0408 and identifies the actions nessaiy to support program closure of GT. 89-10 at BSEP. Enclosure 1
. details the remaining program actions and Enclosure 2 lists the regulatory commitments.
Please refer any questions regarding this submittal to Mr. Warren Dorman, Supervisor - Licensing, at (910) 457-2%8.
Sine ly,
~ $.
Keith R. Jury Manager-Regulatory Affairs Brunswick Steam Electric Plant CRE/cre
Enclosures:
- 1. Generic Letter 89-10 Program Actions
- 2. List of Regulatory Commitments
. ~
'l
.f L' b.
d 8
Document. Control Desk -
BSEP 98-0058 / Page 3..
cc (with enclosures):
U. S. Nuclear Regulatory Commission, Region II ATTN: Mr.Luis A.Reyes, Regional Administrator Atlanta Federal Center :
61 Forsyth Street, SW, Suite 23T85 Atlanta, GA 30303 U. S. Nuclear Regulatory Commission ATTN: Mr. Charles A. Patterson, NRC Senior Resident Inspector 8470 River Road Southport,NC 28461 U. S. Nuclear Regulatory Commission
- ATTN: Mr. David C. Trimble, Jr. (Mail Stop OWFN 14H22) 11555 Rockville Pike -
~ Rockville, MD 20852-2738 Ms.- Jo. A. Sanford Chair - North Carolina Utilities Commission
- P.O. Box 29510 Raleigh, NC 27626-0510 :
.?
I
-i
[-
1;
~
~
ENCLOSUREI BRUNSWICK STEAM ELECTRIC PLANT, UNIT NOS.1 AND 2 DOCKET NOS. 50-325 AND 50-324 LICENSE NOS. DPR-71 AND DPR-62 GENERIC LETTER 89-10 PROGRAM ACTIONS During the week of March 2 through March 6,1998, a close-out inspection of the Brunswick Steam E'ectric Plant (BSEP) Generic Letter (GL) 89-10 program was conducted by the NRC. As part of the inspection activities, a number ofitems were identified as prudent commitments to ~
support closure of the GL 89-10 program. The items are listed below.
- 1. Schedule of Margin Enhancement Modifications As part of a commitment to implement the enhancement modifications identified and scheduled in the BSEP Motor-Operated Valve (MOV) Improvement Plan, the following schedule has been established for the MOVs listed in Tables 1-1 and 1-2 below.
Table 1-1 Unit 1 MOV Margin Enhancement Modification Schedule Tag Number Scheduled Date of Margin Enhancement Modification Completion 1-E51-F007 Before the end of start up testing for the next Unit I refuel outage B112R1 which is currently scheduled for the second quarter of 1998 1-G31-F001 Before the end of start up testing for B112R1 1-G31-F004 Before the end of start up testing for B112R1 1-El1-F004A
- Before the end of start up testing for the Unit I refuel outage B113R1 which is currently scheduled for the second quarter of 2000 1-El1-F004B
- Before the end of start up testing for B113R1 1-El 1-F028A Before the end of start up testing for B113R1 1-Eli1028B Before the end of start up testing for Bl 13R1 El-1 l
Table 1-2 Unit 2 MOV Margin Enhancement Modification Schedule Tag Number Scheduled Date of Margin Enhancement Modification Completion 2-El1-F004D
- Before the end of start up testing for the next Unit 2 refuel,cutage B214R1 which is currently scheduled for the second quarter of 1999 2-El1-F028A U+re the end of start up testing for B214R1 2-El1-F028B Before the end of eart up testing for B214R1 2-E51-F007 Before the end o, tart up testing for B214R1 2-G31-F001 Before the end of start up testing for B214RI 2-G31-F004 Before the end of start up testing for B214R1
- Will be modified if testing indicates a modification is required to obtain greater than 10% design margin.
- 2. Differential Pressure (DP) Test Schedule for Gate, Globe, and Butterfly Valves As part of a commitment to implement the testing identified and scheduled in the BSEP MOV Improvement Plan, the following gate, globe, and butterfly valve testing schedule has been established for the MOVs listed in Tables 2-1 through 2-4 below.
Table 2-1 Unit 1 Schedule for MOV Gate and Globe Valve DP Testing Tag Number / Type Sensor DP Test Target Date DP Test Commitment Installation Date 1-E21-F031 A/ gate B112R1 August 1998 4* Quarter 1998 1-E21-F031B/ gate B112R1 September 1998 4* Quarter 1998 l
l-El1-F068A/ globe Bl12R1 July 1998 4* Quarter 1998 l-El1-F068B/ globe B112R1 August 1998 4* Quarter 1998 1-E41-F001/ double-B112RI June 1998 4* Quarter 1998 disk gate 1-El1-F024A/ globe B113R1 March 2000 3"' Quarter 2000 1-E41-F008/ globe Bil3R1 April 2000 3"' Quarter 2000 Table 2-2 Unit 2 Schedule for MOV date and Woe Valve DP Testing Tag Number / Type Sensor DP E! T-ryt Date DP Test Commitment Installation Date 2-E21-F031 A/ gate B214R1 -
hby 1999 4* Quarter 1999 2-E21-F031B/ gate B214R1 May 1999 4* Quarter 1999 2-El1-F068A/ globe B214R1 June 5999 4* Quarter 1999 2-El1-F%8B/ globe B214R1 June 1999 4* Quarter 1999 2-E41-F001/ double-B214R1 June 1999 4* Quarter 1999 disk gate El-2 9
~
I Table 2-3 Unit 1 Schedule for MOV Butterfly Valve DP Testing 1
Tag Number DP Test Target DP Test Commitment j
Date*
Date
)
1-SW-Vl9
- e'pIember 1998 4* Quarter 1998 l-SW-V i 17 February 1999 2"d Quarter 1999 4
1-SW-V106 October 1998 1" Quarter 1999 l-SW-V294 December 1998 1" Quarter 1999 l-SW-V679 October 1998 1" Quarter 1999 l-SW-V680 December 1998 1" Quarter 1999 l
Table 2-4 Unit 2 Schedule for MOV Butterfly Valve DP Testing Tag Number DP Test Target DP Test Commitment Date*
Date 2-SW-V13 June 1999 3'd Quarter 1999 2-SW-V680 December 1998 1* Quarter 1999 2-SW-V36 April 1999 3d Quarter 1999 2-SW-V3 April 1999 3" Quarter 1999 2-SW-V105 September 1999 4* Quarter 1999 2-SW-V106 April 1999 3" Quarter 1999 2-SW-V679 October 1998 1" Quarter 1999 I
2-SW-V102 September 1999 4* Quarter 1999 2-SW-V103 April 1999 3d Quarter 1999
- DP Test Target Dates are the dates currently scheduled for valve testing. Actual test dates could change due to unforeseen circumstances.
- An identical valve in a similar application may be substituted.
3.
Ball Screw Rate of Loading (ROL) and Efliciency Test Schedule As part of a commitment to irnplcment the testing identified and scheduled in the MOV Improvement Plan, the following ball screw valve testing schedule has been established for the MOVs listed in Tables 3-1 and 3-2 below.
I El-3
c Table 3-1 Unit i Ball Screw MOV Testing and Evaluation Schedule Tag Number Test Equipment Installation DP Test and Evaluation Completion Date 1-El1-F068A -
During B112R1 4* Quarter 1998 1-El1-F068B During B112R1 4* Quarter 1998 1-E41-F001 During Bl12R1 4* Quarter 1998 1-El1-F024A
. During B113R1 3"' Quarter 2000 1-E41-F008 During B113R1 3"' Quarter 2000 Table 3-2 Unit 2 Ball Screw MOV Testing and Evaluation Schedule Tag Number Test Equipment Installation DP Test and Evaluation Completion Date 2-El1-F068A During B214R1 4* Quarter 1999 2-El1-F068B During B214R1 4* Quarter 1999 2-E41-F001 During B214R1 4" Quarter 1999 l
1 4.
Reactor Water Cleanup (RWCU) System Valve 1-G31-F004 Packing Adjustment The valve 1-G31-F004 will be VOTES tested to verify the packing load during the B112R1 refuel outage currently scheduled for the second quarter of 1998.
- 5. Safety Evaluation Limitations of Electric Power Research Institute (EPRI) Performance Prediction Methodology (PPM) for Double-Disk Gate Valves.
Current setup calculations for Anchor Darling double-disk gate valves will be reviewed to ensure compliance with EPRI PPM Safety Evaluation limitations. The limitations will be j
incorporated into the appropriate MOV setup calculations. The review of current j
calculations and incorporation of the limitations into the setup calculations will be J
completed by August 1,1998.
- 6. ~ Industry Survey for Globe Valves to Confirm Acceptability of Valve Factor Assumption An industry survey for globe valves of each type, size, rating, and manufacturer applicable to BSEP will be performed to provide further confirmation of the acceptability of the usage of a valve factor of 1.1 for non-DP-tested globe valves. The survey will be completed and conflimation made by July 1,1998.
El-4
- 7. '.. Residual Heat Removal System Valve 2-El1.F024B Torque Switch Adjustment.
The torque switch for valve 2-El1-F024B will be adjusted to reduce the valve seating torque before the end of start up testing for the next Unit 2 refuel outage B214R1 which is currently
. scheduled for the second quarter of 1999.
8.
A submittal will be provided by January 29,1999, detailing the 1998 BSEP GL 89-10 MOV program "end-of-the-year" status.
9.
A submittal will be provided by January 31,2001, detailing the BSEP GL 89-10 MOV program status after the completion of the other commitments listed in Enclosure 2 of this letter.
1 a
El-5.
7 ENCLOSURE 2 BRUNSWICK STEAM ELECTRIC PLANT, UNIT NOS.1 AND 2 DOCKET NOS. 50-325 AND 50-324 LICENSE NOS. DPR-71 AND DPR-62 LIST OF REGULATORY COMMITMENTS The following table identifies those actions committed to by Carolina Power & Light (CP&L)
Company in this document. Any other actions discussed in the submittal represent intended or planned actions by CP&L. They are described for the NRC's information and are not regulatory commitments. Please notify the Manager - Regulatory Affairs of any questions regarding this document or any associated regulatory commitments.
Commitment Committed date or outage Units 1 and 2 Motor Operated Valve (MOV) Margin In accordance with the scheduled Enhancement Modification schedules will be implemented.
dates contained in Enclosure 1, Tables 1-1 and 1-2 Unit I and 2 Gate, Globe, and Butterfly MOV Differential In accordancewith DP test Pressure (DP) Testing schedules will be implemented.
commitmentdates containedin, Tables 2-1 through 2-4 Units 1 and 2 Ball Screw MOV Testing and Evaluation In accordancewith DP testing and schedules will be implemented.
evalution completion dates contained in Enclosure 1, Tables 3-1 and 3-2.
MOV l-G31-F004 will be diagnosticallytested to verify the By the end of the next Unit I refuel
. packingload.
outage B112R1 currentlyscheduled for the second quarterof1998 Current setup calculations for Anchor Darling double-disk gate August 1,1998 valves will be reviewed to ensure compliance with the Electric Power Research Institute Performance Prediction Methodology Safety Evaluation limitations. The limitations will be incorporated into the appropriate MOV setup calculations.
- An industry survey for globe valves of each type, size, rating, July 1,1998 and manufacturer applicable to the Brunswick Steam Electric Plant (BSEP) Generic Letter (GL) 89-10 MOV program will n
be performed to confirm the acceptability of the usage of a valve factor of 1.1 for non-DP-tested globe valves.
. E2 1 m.
~'
~
'h Commitment Committed date or outage
'lhe torque switch for valve 2-El1-F024B will be adjusted to Beforethe end ofstart uptesting for reduce the valve seating torque.
the next Unit 2 refueloutage B214R1 currently scheduled forthe second quarter of1999 -
A submittal will be provided detailing the 1903 BSEP January 29,1999 GL 89-10 MOV program "end-of-the-year" status.
A submittal will be provided detailing the BSEP GL 89-10 January 31,2001 MOV program status after the completion of the other
. commitments listed in this enclosure.
4 E2 2