ML20206B673
| ML20206B673 | |
| Person / Time | |
|---|---|
| Issue date: | 04/20/1999 |
| From: | Wen P NRC (Affiliation Not Assigned) |
| To: | Carpenter C NRC (Affiliation Not Assigned) |
| References | |
| GL-89-10, GL-96-05, GL-96-5, NUDOCS 9904300028 | |
| Download: ML20206B673 (42) | |
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Aprif 20,1999 MEMORANDUM TOICynthia A. Carpenter, Chief:
Generic issues, Envircnmental, Financial and Rulemaking Branch Division of Regulatory improvement Programs
- Office of Nuclear Reactor Regulation "
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Peter C. ' Wen, Project Mari ger : hM, C. W
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Generic lasues, Environmental, Financial 4
and Rulemaking Branch Division of Regulatory improvement Programs Office of Nuclear Reactor Regulation
SUBJECT:
SUMMARY
OF APRIL 14,' 1999, MEETING WITH JOINT OWNERS GROUP REGARDING MOTOR-OPERATED VALVE PERIODIC VERIFICATION PROGRAM
. On April 14,1999, the NRC staff met with representatives of the Joint Owners Group (JOG) to discuss the current status of the JOG Program on Motor-Operated Valve (MOV) Periodic 4
Verification. The JOG program was established in response to Generic Letter (GL) 96-05,
" Periodic Verification of Design-Basis Capability of Safety-Related Motor-Operated Valves." The NRC staff prepared a safety evaluation (dated October 30,1997) accepting the JOG program lf with certain conditions and limitations as an industry-wide response to GL 96-05 to identify age-related valve degradation. NRC participants included staff members from the NRC Offices I\\
of Nuclear Reactor Regulation (NRR) and Nuclear Regu'atory Research (RES). JOG participants included representatives from the Boiling Water Reactor Owners Group (BWROG),
Combustion Engineering Owners Group (CEOG) and Westinghouse Owners Group (WOG),
other licensee personnel, and JOG contractors. Attachment 1 is a list of the meeting participants. Attachment 2 is a copy of the meeting agenda.
- During the April 14 meeting, the JOG representatives presented a status of the JOG program and the test results to date. See Attacnment 3. The JOG reported that licensees of 94 reactor units are participating in the MOV dynamic test program. The JOG is reviewing the MOV
' dynamic test results being provided by its~ participating licensees. With one exception, the JOG has found minor changes in valve factor over the time interval between dynamic tests and has identified a trend of a small increase in valve factor during consecutive strokes of the MOV dynamic tests. The exception involves an Aloyco split-wedge gate valve which required significantly more thrust to operate during the second series of dynamic tests. In response, the
- JOG issued Feedback Notice FN-01 in the fall of 1998 to communicate this information on the perforrnance of the Aloyco split-wedge gate valve to its participants. The JOG is currently preparing a revision to the feedback notice to reflect updated information. The JOG considered the increased valve factor for the Aloyco split-wedge gate valve to not be surprising considering the low initial valve factor (<0.2) obtained during the baseline dynamic test. The JOG is MM gi & WULf~$,
9904300028'990420
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w C. Carpenter April 20, 1999 continuing to evaluate the performance of the Aloyco split-wedge gate valves in its program.
With respect to butterfly valves and unbalanced globe valves, the JOG stated that initial repetitive dynamic test data indicated only small changes in operating requirements over the test interval.
4 The JOG will obtain test data to evaluate the potential degradation of balanced globe valves later in the program. The JOG discussed minor adjustments that had been made to its process for evaluating test data and its criteria for rapid attention in response to test results.
The NRC staff and the JOG representatives discussed possible processes by which the NRC staff can be made aware of information provided by the JOG to its participants regarding significant test results. These processes could include attaching a feedback notice to the NRC/ JOG meeting minutes or simply discussing the contents of the feedback notice during the public meetings. Glenn Warren of the BWROG stated that he would discuss these processes with the Nuclear Energy Institute at an upcoming meeting and provide information on the suggested process.
The NRC staff discussed the importance of licensees evaluating information provided by the JOG for its potential impact on component operability. The JOG representatives stated that, from their experience, pa-ticipating licensees are address!ng JOG feedback notices as significant new MOV information, such as provided in NRC information notices. The NRC staff considered this interaction between the JOG and its participants to be significant because of the NRC's reliance on licensee commitments to the JOG program.
The NRC staff reported that it had completed its review of GL 89-10, " Safety-Related Motor-Operated Valve Testing and Surveillance," at each operating nuclear plant (with the exception of the D.C. Cook nuclear power plant which is in an extended outage). The NRC staff also discussed the status of its review of GL 96-05 programs, including the issuance of safety evaluations completing NRC review of GL 96-05 for 7 nuclear power plant units and the ongoing preparation of safety evaluations for 13 nuclear power plant units. In addition, the NRC staff has forwarded requests for limited information to several licensees to allow completion of safety evaluations on their GL 96-05 programs. The NRC staff is working to complete the review of GL 96-05 programs established by licensees participating in the JOG program by the end of 1999.
The NRC staff noted that inspections of GL 96-05 programs are being conducted on a sampling basis with emphasis on licensees not participating in the JOG program. The NRC staff and JOG reviewed the minutes of the previous meeting on the status of the JOG program. The NRC staff also reported that they had not received any comments on the JOG program from licensees since the previous meeting.
The NRC staff provided a summary of the results of its research on the performance of de-powered MOVs. See Attachment 4. The NRC staff stated that the NUREG report on the de-powered MOV research should be issued in the next few weeks. Brian Bunte of the BWROG stated that the Valve Technical Review Group (VTRG) of the BWROG has been reviewing the publicly available information on the NRC research and has prepared a proposed plan to resolve the issue regarding dc-powered MOV performance by the end of 1999. The BWROG wi!! review
)
this proposalin May 1999. Steve Loehlein of the WOG stated that the WOG is considering establishing a small working group of its members to interact with the BWROG VTGR because of the limited use of de-powered MOVs in Westinghouse-c'esigned pressurized water reactors.
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C. Carpenter April 20, 1999 Frank Winter of the CEOG and Baltimore Gas & Electric Company stated that the CEOG may request that its individual members interact directly with the BWROG VTRG, where applicable, on the dc-powered MOV performance issue. Brian Bunte agreed to notify the NRC staff foilowing the BWROG review of the VTRG plan to address de-powered MOV performance. Jerry Jackson of RES will provide a copy of the NUREG report directly to Brian Bunte as senc. as it is
- publicly available. The NRC staff will continue to evaluate licensee response to this issue
. through reviews of GL 96-05 programs, and interactions with the industry proups and the Limitorque Corporation.
The NRC staff provided a summary 6 the results of its research program on the potential effect of aging on the performance of Stello material used for sliding surfaces in many valves. See. The NRC staff noted that the results rsise some questions regarding the effect on operating requirements from the static and dynamic stroke sequence during dynamic testing, and from the service history of the MOV over the interval between the dynamic tests. The JOG representatives indicated concerns regarding the applicability of the results of research on small
- material specimens to actual valves. However, the JOG stated that the questions regarding the effect of stroke sequence and service history will be addressed as part of its program. The JOG presentation at the meeting indicated plans to evaluate test data in those areas. The NRC staff will continue to monitor the JOG test program for resolution of the questions regarding the effect of stroke sequence and service history on valve performance.
The NRC staff and JOG representatives set a tentative date of October 13,1999, for their next meeting to discuss the status of the JOG program.
Attachments:
1.
Meeting Participants 2.
Meeting Agenda 3,
JOG MOV Periodic Verification Program Status Update 4.
- NRC Staff Handout on dc-Powered MOV Research Results 5.
NRC Staff Handout on Stellite Aging Research Results cc w/atts: see next page I
E C. Carpenter '
April 20, 1999 Frank Winter of the CEOG and Baltimore Gas & Electric Company stated that the CEOG may request that its individual members interact directly with the BWROG VTRG, where applicable, on the de-powered MOV performance issue. Brian Bunte agreed to notify the NRC staff
. following the BWROG review of the VTRG plan to address de-powered MOV performance. Jerry Jackson of RES will provide a copy of the NUREG report directly to Brian Bunte as soon as it is publicly available. The NRC staff will continue to evaluate licensee response to this issue through reviews of GL 96-05 programs, and interactions with the industry groups and the Limitorque Corporation.-
The NRC staff provided a summary of the results of its research program on the potential effect of aging on the performance of Stellite material used for sliding surfaces in many valves. See. The NRC staff noted that the results raise some questions regarding the effect on operating requirements from the static and dynamic stroke sequence during dynamic testing, and from the service history of the MOV over the interval between the dynamic tests. The JOG representatives indicated concerns regarding the applicability of the results of research on small material specimens to actual valves. However, the JOG stated that the questions regarding the effect of stroke sequence and service history will be addressed as part of its program. The JOG presentation at the meeting indicated plans to evaluate test data in these areas. The NRC staff
. will continue to monitor the JOG test program for resolution of the questions regarding the effect of stroke sequence and service history on valve performance.
The NRC staff and JOG representatives set a tentative date of October 13,1999. for their next meeting to discuss the status of the JOG program.
Attachments:
1.
Meeting Participants 2.
Meeting Agenda 3.
JOG MOV Periodic Verification Program Status Update 4.
NRC Staff Handout on de-Powered MOV Research Results 5.
NRC Staff Handout on Stellite Aging Research Results cc w/atts: see next page '
DISTRIBUTION: See attached page ocument Name: g:\\pxq\\msum_MOV.wpd OFFICE PM:RGEB: DRIP EMEB:DEg, (A)SC:RGEB NAME PWen:sw pcd TScarbrough TBergmanM _
DATE 04Afo /99 04/2499 04/ 24/99 OFFICIAL OFFICE COPY
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NRC/ JOG MEETING ON MOV PERIODIC VERIFICATION PROGRAM LIST OF ATTENDEES 4
April 14,1999 I
I NAME ORGANIZATION Dick Wessman NRR/DE David Terao NRR/DE/EMEB i
Tom Scarbrough NRR/DE/EMEB Jerry Jackson RES/DET/ERAB Peter Wen NRR/ DRIP /RGEB Steve Loehlein Duquesne Light /WOG ike Ezekoye Westinghouse /WOG Frank Winter BG&E/CEOG Frank Ferraraccio ABB/CEOG 4
Brian Bunte Comed /BWROG Glenn Warren SNC/BWROG Wendell Flock GE/BWROG Tim Chan WA Chad Smith Duke Power Paul Damerell MPR Associates Todd Spears MPR Associates i
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ATTACHMENT 1 i
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Distribution Mtg. Summary w/ WOG Re PASS lasues Dated April 20, 1999
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d AGENDA NRC/ JOG PUBLIC MEETING MOV PROGRAM ON PERIODIC VERIFICATION April 14,1999 OWFN 0-486 8:30 a.m.
Introductions (NRC and JOG) 8:45 a.m.
JOG Teat Program Results since previous meeting (JOG) 10:15 a.m.
BREAK 10:30 a.m.
Status of Utility Feedback Notices (JOG) 10:45 a.m.
Status of Utility Testing and Data Submittals (JOG) 11:15 a.m.
Items of interest to NRC: de motor testing and Stellite aging (NRC) 11:45 a.m.
Action items and Schedule for Next Meeting (NRC and JOG)
Noon Closing (NRC)
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e Westinghouse Owners Group Project No. 694 cc:
Mr. Nicholas Liparulo, Manager Regulatory and Engineering Networks Westinghouse Electric Corporation Mail Stop ECE 4-15 P.O. Box 355 Pittsburgh, PA 15230-0355 Mr. Andrew Drake, Project Manager Westinghouse Owners Group j
Westinghouse Electric Corporation Mail Stop ECE 5-16 l
P.O. Box 355 Pittsburgh, PA 15230-0355 l
Jack Bastin, Director Westinghouse Electric Corporation 11921 Rockville Pike, Suite 107 Rockville, MD 20852 Mr. Hank Sepp, Manager Regulatory and Licensing Engineering Westinghouse Electric Corporation PO Box 355 Pittsburgh, PA 15230-0355
l o:
- 4.'
CE OWNERS GROUP Project No. 692 g
y cc:
Mr. Gordon C. Bischoff '
D CEOG Project Manager ABB Combustion Engineering M.S. 9615-1932 2000 Day Hill Road Windsor, CT 06095 Mr. Ralph Phelps, Chairman CE Owners Group Omaha Public Power District P.O. Box 399.
Ft. Calhoun, NE 68023-0399 Mr. Ian C. Rickard, Director
. Nuclear Licensing ABB-Combustion Engineering, Inc.
Post Office Box 500 2000 Day Hill Road Windsor, CT 06095 -
Mr. Charles B. Brinkman, Manager Washington Operations ABB-Combustion Engineering, Inc.
12300 Twinbrook Parkway, Suite 330 Rockville, MD 20852 <
)
L
6 Boiling Wat:r Rnctor Owners Group i
Project No. 691 cc:
Thomas J. Rausch, Chairman W. Glenn Warren Boiling Water Reactor Owners' Group Southern Nuclear / Georgia Power Commonwealth Edison Company E.1. Hatch Nuclear Plant Nuc! car Fuel Services PO Box 1295 M/C B052 1400 Opus Place,4th Floor ETWill Birmingham, AL 35201 Downers Grove,IL 60515 Carl D. Terry Dennis B. Townsend Vice President, Nuclear Engineering GE Nucle ~ar Energy Niagara Mohawk Power Corporation M/C 182 Nine Mile Point-2 175 Curtner Avenue PO Box 63 San Jose, CA 95125 Lycoming, NY 13093 Drew B. Fetters Thomas A. Green PECO Energy GE Nuclear Energy Nuclear Group Headquarters Mail Code 182 5
MC 62C-3 175 Curtner Avenue 965 Chesterbrook Blvd.
San Jose, CA 95125 Wayne, PA 19087 John Hosmer Commonwealth Edison Executive Towers,4th Floor 1400 Opus Place Downers Grove, IL 60515 George T. Jones Pennsylvania Power & Light MC A6-1 Two North Ninth Street Allentown, PA 18101 Lewis H. Sumner Southern Nuclear / Georgia Power E. l. Hatch Nuclear Power Plant 40 inverness Parkway PO Box 1295 Birmingham,GA 35201 John Kelly New York Power Authority 14th Floor Mail Stop 14K Centroplex Building 123 Main Street White Plains, NY 10601
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