ML18153C776
| ML18153C776 | |
| Person / Time | |
|---|---|
| Site: | Surry  |
| Issue date: | 10/04/1991 |
| From: | Buckley B Office of Nuclear Reactor Regulation |
| To: | Miraglia F, Murley T, Russell W NRC |
| References | |
| NUDOCS 9110160292 | |
| Download: ML18153C776 (4) | |
Text
Docket Nos. 50-280 and 50-281 MEMORANDUM FOR:
THRU:
FROM:
SUBllECT:
DATE & TIME:
LOCATION:
PURPOSE:
e e
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555 October 4, 1991 T. Murley
- n. Crutchfield G. Holahan F. Miraglia J. Zwolinski B. Grimes
- w. Russell M. Virgilio F. Congel J. Partlow
- w. Travers J. Roe F. Gillespie E. Butcher G. Imbro
- s. Varga C. Rossi A. Chaffee B. Boger J. Richardson
- w. Bateman, G. Lainas A. Thadani L. Plisco J. Calvo Operations Center M. Slosson L. Reyes, RII Herbert N. Berkow, Director Project Directorate II-2 Division of Reactor Projects I/II Bart C. Buckley, Project Manager Project Directorate II-2 Division of Reactor Projects I/II FORTHCOMING MEETING WITH VIRGINIA ELECTRIC & POWER COMPANY ON SURRY, UNITS 1 & 2 Wednesday, October 9, 1991 10:00 a.m.
One White Flint North 11555 Rockville Pike Roe kv i 11 e, Maryl and 20852
_Room 12/8/11 To discuss Individual Plant Examination Report (See attached agenda)
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PDR ADOCK 05000280 Q
PARTICIPANTS:
e NRC
~Lainas F. Congel A. Thadani H. Berkow W. Beckner K. Campe SANDIA M. Bohn M. Cunningham C. Ader R. Hernan J. Schiffgens UTILITY K. Moore M. Bowling J. Price, eta 1.
J. Shackelford B. Buckley (Original Signed By)
October 4, 1991 Bart C. Buckley, Project Manager Project Directorate II-2 Division of Reactor Projects I/II cc: See next page
- Meetings between NRC technical staff and applicants or licensees are open for interested members of the public, petitioners, intervenors, or other parties to attend as observers pursuant to "Open Meeting Statement of NRC Staff Policy,"
43 Federal Register 28058, 6/28/78.
DISTRIBUTION Docket Fi le NRC & Local PDRs PDII-2 RF T. Murley/F. Miraglia J. Partlow S. Varga G. Lainas D. Miller B. Buckley H. Berkow A. Chaffee, EAB llAl OGC E. Jordan, MNBB/3701 B. Grimes Receptionist WF F. Congel A. Thadani K. Campe M. Cunningham C. Ader R. Hernan J. Schiffgens S. Rubin J. Shackelford ACRS (10)
GPA/PA E. Tana P. 0. Dell L. Plisco J. Wechselberger, W. Beckner LA:~
P!~I-2 D:~ffi DMil ler BBuckley: kdj HBerkow lb It(- /91 f'il / f /91
/0 If /91 DOCUMENT NAME - MTG. WITH VEPCO 10/9/91 17-G-21
e Mr. W. L. Stewart Virginia Electric and Power Company cc:
Michael W. Maupin, Esq.
Hunton and Williams Post Office Box 1535 Richmond, Virginia 23212 Mr. Michael R. Kansler, Manager Surry Power Station Post Office Box 315 Surry, Virginia 23883 Senior Resident Inspector Surry Power Station U.S. Nuclear Regulatory Commission Post Office Box 166, Route 1 Surry, Virginia 23883 Mr. Sherlock Holmes, Chairman Board of Supervisors of Surry County Surry County Courthouse Surry, Virginia 23683 Dr. W. T. Lough Virginia State Corporation Commission Division of Energy Regulation Post Office Box 1197 Richmond, Virginia 23209
. Regional Administrator, Region II U.S. Nuclear Regulatory Commission 101 Marietta Street N.W., Suite 2900 Atlanta, Georgia 30323 C. M. G. Buttery, M.D., M.P.H.
State Health Commission Office of the Commissioner Virginia Department of Health P.O. Box 2448 Richmond, Virginia 23218 e
Surry Power Station Attorney General Supreme Court Building 101 North 8th Street Richmond, Virginia 23219 Mr. E. Wayne Harre 11 Vice President - Nuclear Operations Virginia Electric and Power Company 5000 Dominion Blvd.
Glen Allen, Virginia 23060 Mr. J. P. O'Hanlon Vice President - Nuclear Services Virginia Electric and Power Company 5000 Domiriion Blvd.
Glen Allen, Virginia 23060 Mr. Martin Bowling Manager - Nuclear Licensing Virginia Electric and Power Company 5000 Dominion Blvd.
Glen Allen, Virginia 23060
AGENDA ITEMS FOR SURRY MEETING October 9, 1991 Overview of the internal flooding analysis as it relates to assessing core damage frequency contributions.
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Describe principal initiating events, system failures, and recovery actions Trace through one (e.g., 1TB5) or more dominant accident sequences to illustrate methodology.
Include discussion of assumptions and data used in the analysis.
Identify conservatism in analysis and describe basis for confidence in the results.
Describe administrative, maintenance, and procedural measures in place with respect to prevention and mitigation.
Desctibe proposed measures and schedule for prevention and mitigation and identify basis for the estimated CDF reduction factor of 5.
Discuss the feasibility of potential hardware modifications that could eliminate this sequence as a significant contributor to the CDF.
Plant equipment and configuration features as they relate to the internal flooding scenario.
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Discuss likely break mechanisms and potential break sizes with respect to pipe, valve, and expansion joints.
Describe stop log configuration and the procedures, timing, and equipment requirements with respect to their deployment.