ML063340158

From kanterella
Jump to navigation Jump to search
Unit No .2 - Final Accident Precursor Analysis of January 23, 2004, Operational Event
ML063340158
Person / Time
Site: Calvert Cliffs Constellation icon.png
Issue date: 11/30/2006
From: Milano P
NRC/NRR/ADRO/DORL/LPLI-1
To: Spina J
Calvert Cliffs
Milano P, NRR/DORL/LPLA, 415-1457
References
IR-04-008, IR-05-006, LER 04-001-00
Download: ML063340158 (3)


Text

November 30, 2006 Mr. James A. Spina, Vice President Calvert Cliffs Nuclear Power Plant, Inc.

Calvert Cliffs Nuclear Power Plant 1650 Calvert Cliffs Parkway Lusby, MD 20657-4702

SUBJECT:

CALVERT CLIFFS NUCLEAR POWER PLANT, UNIT NO. 2 - FINAL ACCIDENT PRECURSOR ANALYSIS OF JANUARY 23, 2004, OPERATIONAL EVENT

Dear Mr. Spina:

Enclosed for your use and information is a copy of the Nuclear Regulatory Commission (NRC)

Final Accident Sequence Precursor (ASP) Analysis of an operational event that occurred at Calvert Cliffs Nuclear Power Plant, Unit No. 2. On January 23, 2004, the unit experienced excessive steam demand following a reactor trip, which was due to low steam generator water level after a feedwater pump trip. This event was documented by Calvert Cliffs Nuclear Power Plant, Inc. (the licensee) in licensee event report (LER) 318/04-001-00, dated January 23, 2004, and in NRC Special Inspection Report No. 50-318/2004-008, dated July 29, 2004, and Supplemental Inspection Report No. 50-318/2005-006, dated February 11, 2005.

If you have any questions about the analysis, please contact me at 301-415-1457 or Gary DeMoss of the NRCs Office of Research at 301-415-6225.

Sincerely,

/RA/

Patrick D. Milano, Senior Project Manager Plant Licensing Branch I-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-318

Enclosure:

Final ASP Analysis Report cc w/encl: See next page

November 30, 2006 Mr. James A. Spina, Vice President Calvert Cliffs Nuclear Power Plant, Inc.

Calvert Cliffs Nuclear Power Plant 1650 Calvert Cliffs Parkway Lusby, MD 20657-4702

SUBJECT:

CALVERT CLIFFS NUCLEAR POWER PLANT, UNIT NO. 2 - FINAL ACCIDENT PRECURSOR ANALYSIS OF JANUARY 23, 2004, OPERATIONAL EVENT

Dear Mr. Spina:

Enclosed for your use and information is a copy of the Nuclear Regulatory Commission (NRC)

Final Accident Sequence Precursor (ASP) Analysis of an operational event that occurred at Calvert Cliffs Nuclear Power Plant, Unit No. 2 on January 23, 2004. On January 23, 2004, the unit experienced excessive steam demand following a reactor trip due to low steam generator water level after a feedwater pump trip. This event was documented by Calvert Cliffs Nuclear Power Plant, Inc. (the licensee) in licensee event report (LER) 318/04-001-00, dated January 23, 2004, and in NRC Special Inspection Report No. 50-318/2004-008, dated July 29, 2004, and Supplemental Inspection Report No. 50-318/2005-006, dated February 11, 2005.

If you have any questions about the analysis, please contact me at 301-415-1457 or Gary DeMoss of the NRCs Office of Research at 301-415-6225.

Sincerely,

/RA/

Patrick D. Milano, Senior Project Manager Plant Licensing Branch I-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-318

Enclosure:

Final ASP Analysis Report cc w/encl: See next page DISTRIBUTION:

PUBLIC LPLI-1 R/F R. Laufer RidsNrrDorlLpll-1 P. Milano RidsNrrPMPMilano S. Little RidsNrrLASlittle B. Singal RidsNRRDorlDpr F. Eltawila RidsResDraa G. DeMoss P. Appignani S. Mays P. O'Reilly B. McDermott RidsRgn1MailCenter OGC RidsOgcRp ACRS RidsAcrsAcnwMailCenter Accession Number: ML063340158 ASP Report: ML062710050 Package: ML063340173 OFFICE LPLI-1/PM LPLI-1/LA RES/DRAA LPLI-1/BC NAME PMilano SLittle FEltawila RLaufer DATE 11/30/06 11/30/06 11/02/06 11/30/06 OFFICIAL RECORD COPY

Calvert Cliffs Nuclear Power Plant, Unit No. 2 cc:

President Calvert County Board of Commissioners 175 Main Street Prince Frederick, MD 20678 Mr. Carey Fleming, Esquire Sr. Counsel - Nuclear Generation Constellation Generation Group, LLC 750 East Pratt Street, 17th floor Baltimore, MD 21202 Mr. Jay S. Gaines Director, Licensing Calvert Cliffs Nuclear Power Plant 1650 Calvert Cliffs Parkway Lusby, MD 20657-4702 Resident Inspector U.S. Nuclear Regulatory Commission P.O. Box 287 St. Leonard, MD 20685 Mr. R. I. McLean, Manager Nuclear Programs Power Plant Research Program Maryland Department of Natural Resources 580 Taylor Avenue (B wing, 3rd floor)

Tawes State Office Building Annapolis, MD 21401 Regional Administrator, Region I U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 Ms. Kristen A. Burger, Esquire Maryland People's Counsel 6 St. Paul Centre Suite 2102 Baltimore, MD 21202-1631 Ms. Patricia T. Birnie, Esquire Co-Director Maryland Safe Energy Coalition P.O. Box 33111 Baltimore, MD 21218 Mr. Roy Hickok NRC Technical Training Center 5700 Brainerd Road Chattanooga, TN 37411-4017