ML030940698

Meeting Summary- Discussion of Control Room Habitability Testing at North Anna Power Station, Units 1 and 2

ML030940698
Person / Time
Site:	North Anna
Issue date:	04/04/2003
From:	Stephen Monarque NRC/NRR/DLPM/LPD2
To:
Monarque S, NRR/DLPM, 415-1544
References
Download: ML030940698 (5)

Text

April 4, 2003 LICENSEE: Virginia Electric and Power Company (VEPCO)

FACILITY: North Anna Power Station, Unit 2

SUBJECT:

MEETING

SUMMARY

- DISCUSSION OF CONTROL ROOM HABITABILITY TESTING AT NORTH ANNA POWER STATION, UNITS 1 AND 2 On March 11, 2003, representatives of VEPCO met with the U. S. Nuclear Regulatory Commission (NRC) staff at the NRCs offices in Rockville, MD, to discuss control room habitability testing at North Anna Power Station, Units 1 and 2. VEPCO was proposing to change the current control room habitability test methodology by using a different tracer gas test method. VEPCO stated this tracer gas test would successfully address NRC staff concerns regarding current issues on control room habitability and reduce the time needed to conduct control room testing.

During its presentation, VEPCO discussed the design aspects of the control room envelope, including the areas adjacent to it. The control room envelope consists of a three-story structure that is divided into four zones. Each zone has a separate air handling unit that is isolated from other ventilation systems and is located within the control room envelope. Adjacent to the control room envelope are the Turbine Building, Technical Support Center, Operations Annex, Cable Vaults, Chiller Rooms, and Cable Spreading Rooms. These areas typically do not have penetrations that extend into the control room envelope, and their ventilation systems are separated from the control room envelope ventilation systems.

VEPCO and the NRC staff discussed the new tracer gas test that VEPCO was proposing to use at North Anna. This test method, which was developed by Dr. Dietz of Brookhaven National Laboratory, would simultaneously test all four control room envelope zones instead of the current method that tests one control room envelope zone at a time. VEPCO stated there was no substantial difference between the new and current tracer gas tests as both tests comply with the ASTM E741 technique. VEPCO is requesting to use Dr. Dietzs test method in order to reduce the time it needed to conduct control room envelope testing.

The NRC staff expressed concerns whether this new test had been peer reviewed and if it had been used by any other licensees. VEPCO replied it was willing to work with the NRC staff to resolve any outstanding issues.

The meeting attendance list is enclosed.

/RA/

Stephen R. Monarque, Project Manager, Section 1 Project Directorate II Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket Nos. 50-338 and 50-339

Enclosure:

Meeting Attendance List cc w/encl: See next page

The meeting attendance list is enclosed.

/RA/

Stephen R. Monarque, Project Manager, Section 1 Project Directorate II Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket Nos. 50-338 and 50-339

Enclosure:

Meeting Attendance List cc w/encl: See next page DISTRIBUTION PUBLIC OGC HWalker John Hayes PDII-1 R/F ACRS EForrest JZwolinski/TMarsh JNakoski SMonarque MReinhart SMoore EDunnington (hard copy) MKotzalas BSmith KLandis, RII ADAMS ACCESSION NO. ML030940698 OFFICE PDII-1/PM PDII-2/LA PDII-1/SC NAME SMonarque EDunnington JNakoski DATE 4/4/03 4/4/03 4/4/03 OFFICIAL RECORD COPY

Virginia Electric & Power Company North Anna Power Station Units 1 and 2 cc:

Mr. C. Lee Lintecum Mr. David A. Heacock County Administrator Site Vice President Louisa County North Anna Power Station P.O. Box 160 P. O. Box 402 Louisa, Virginia 23093 Mineral, Virginia 23117 Ms. Lillian M. Cuoco, Esquire Mr. David A. Christian Senior Nuclear Counsel Sr. Vice President and Chief Nuclear Officer Dominion Nuclear Connecticut, Inc. Virginia Electric and Power Company Millstone Power Station Innsbrook Technical Center Building 475, 5th Floor 5000 Dominion Blvd.

Rope Ferry Road Glen Allen, Virginia 23060-6711 Rt. 156 Waterford, Connecticut 06385 Mr. Richard H. Blount, II Site Vice President Dr. W. T. Lough Surry Power Station Virginia State Corporation Virginia Electric and Power Company Commission 5570 Hog Island Road Division of Energy Regulation Surry, Virginia 23883-0315 P. O. Box 1197 Richmond, Virginia 23209 Robert B. Strobe, M.D., M.P.H.

State Health Commissioner Old Dominion Electric Cooperative Office of the Commissioner 4201 Dominion Blvd. Virginia Department of Health Glen Allen, Virginia 23060 P.O. Box 2448 Richmond, Virginia 23218 Mr. Stephen P. Sarver, Director Nuclear Licensing & Operations Mr. William R. Matthews Support Vice President - Nuclear Operations Virginia Electric and Power Company Virginia Electric and Power Company Innsbrook Technical Center Innsbrook Technical Center 5000 Dominion Blvd. 5000 Dominion Boulevard Glen Allen, Virginia 23060-6711 Glen Allen, Virginia 23060-6711 Office of the Attorney General Senior Resident Inspector Commonwealth of Virginia North Anna Power Station 900 East Main Street U.S. Nuclear Regulatory Commission Richmond, Virginia 23219 1024 Haley Drive Mineral, Virginia 23117

ATTENDEES - MEETING OF MARCH 11, 2003 TO DISCUSS CONTROL ROOM HABITABILITY TESTING AT NORTH ANNA POWER STATION, UNITS 1 AND 2 NAME ORGANIZATION Stephen R. Monarque NRC/NRR/DLPM Jerry Kloecker Dominion Kenneth J. Chermansky Dominion William Kohlroser Dominion Wayne W. Cox Dominion L. C. Martin Dominion Marty Badewitz Dominion Eric Hendrixson Dominion James Crossman Dominion Lee Warnick Dominion John Hayes NRC/NRR/SPSB Harold Walker NRC/NRR/SPLB Ed Forrest NRC/NRR/SPLB Mark Reinhart NRC/NRR/SPSB Enclosure 1