ML060340151

Transmittal of Final Accident Sequence Precursor Analyses

ML060340151
Person / Time
Site:	Kewaunee
Issue date:	02/21/2006
From:	Jaffe D NRC/NRR/DLPM/LPD3
To:	Gaffney M Dominion Energy Kewaunee
jaffe D, NRR/DORL, 415-1439
Shared Package
ML060340149	List: ML060340151
References
LER 03-002-00
Download: ML060340151 (3)

Text

February 21, 2006 Mr. Michael G. Gaffney Site Vice President Kewaunee Power Station Dominion Energy Kewaunee, Inc.

N490 Highway 42 Kewaunee, WI 54216-9511

SUBJECT:

KEWAUNEE POWER STATION - TRANSMITTAL OF FINAL ACCIDENT SEQUENCE PRECURSOR ANALYSES

Dear Mr. Gaffney:

The enclosure provides the final results of the Accident Sequence Precursor (ASP) analyses of an event which occurred at Kewaunee Power Station as documented in Licensee Event Report 305/03-002. The subject event resulted in the unavailability of both Emergency Diesel Generators for 28 hours3.240741e-4 days <br />0.00778 hours <br />4.62963e-5 weeks <br />1.0654e-5 months <br /> during February 2003 . The ASP analysis calculated a mean change in core damage probability (CDP) of 3x10-6.

The enclosure is provided for your information and no response is requested.

Sincerely,

/RA/

David H. Jaffe, Senior Project Manager Plant Licensing Branch III-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-305

Enclosure:

Final ASP Analysis cc w/encl: See next page

February 21, 2006 Mr. Michael G. Gaffney Site Vice President Kewaunee Power Station Dominion Energy Kewaunee, Inc.

N490 Highway 42 Kewaunee, WI 54216-9511

SUBJECT:

KEWAUNEE POWER STATION - TRANSMITTAL OF FINAL ACCIDENT SEQUENCE PRECURSOR ANALYSES

Dear Mr. Gaffney:

The enclosure provides the final results of the Accident Sequence Precursor (ASP) analyses of an event which occurred at Kewaunee Power Station as documented in Licensee Event Report 305/03-002. The subject event resulted in the unavailability of both Emergency Diesel Generators for 28 hours3.240741e-4 days <br />0.00778 hours <br />4.62963e-5 weeks <br />1.0654e-5 months <br /> during February 2003 . The ASP analysis calculated a mean change in core damage probability (CDP) of 3x10-6.

The enclosure is provided for your information and no response is requested.

Sincerely,

/RA/

David H. Jaffe, Senior Project Manager Plant Licensing Branch III-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-305

Enclosure:

Final ASP Analysis cc w/encl: See next page DISTRIBUTION: w/enl PUBLIC LPLIII-1 R/F RidsNrrPMDJaffe RidsNrrLATHarris RidsOgcRp RidsAcrsAcnwMailCenter RidsRgn3MailCenter Package Accession Number: ML060340149 Letter Accession Number: ML060340151 Enclosure Accession Number: ML060240375 OFFICE NRR/LPL3-1/PM NRR/LPL3-1/LA NRR/LPL3-1/BC(A)

NAME DJaffe THarris TKobetz DATE OFFICIAL RECORD COPY

Kewaunee Power Station cc:

Resident Inspectors Office Ms. Lillian M. Cuoco, Esq.

U.S. Nuclear Regulatory Commission Senior Counsel N490 Hwy 42 Dominion Resources Services, Inc.

Kewaunee, WI 54216-9510 Millstone Power Station Building 475, 5th Floor Regional Administrator, Region III Rope Ferry Road U.S. Nuclear Regulatory Commission Waterford, CT 06385 Suite 210 2443 Warrenville Road Plant Manager Lisle, IL 60532-4351 Kewaunee Power Station N490 Highway 42 David Zellner Kewaunee, WI 54216-9511 Chairman - Town of Carlton N2164 County B Kewaunee, WI 54216 Mr. Jeffery Kitsembel Electric Division Public Service Commission of Wisconsin PO Box 7854 Madison, WI 53707-7854 Mr. Michael G. Gaffney Dominion Energy Kewaunee, Inc.

Kewaunee Power Station N490 Highway 42 Kewaunee, WI 54216 Mr. Chris L. Funderburk Director, Nuclear Licensing and Operations Support Innsbrook Technical Center 5000 Dominion Boulevard Glen Allen, VA 23060-6711 Mr. Thomas L. Breene Dominon Energy Kewaunee, Inc.

Kewaunee Power Station N490 Highway 42 Kewaunee, WI 54216