ML050410031

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RAI, Requested Code Relief
ML050410031
Person / Time
Site: Millstone Dominion icon.png
Issue date: 02/25/2005
From: George Wunder
NRC/NRR/DLPM/LPD1
To: Christian D
Dominion Nuclear Connecticut
Wunder G, NRR/DLPM, 415-1494
References
TAC MC4631
Download: ML050410031 (5)


Text

February 25, 2005 Mr. David A. Christian Senior Vice President and Chief Nuclear Officer Dominion Nuclear Connecticut, Inc.

Innsbrook Technical Center 5000 Dominion Boulevard Glen Allen, VA 23060-6711

SUBJECT:

MILLSTONE POWER STATION, UNIT NO. 3 - REQUEST FOR ADDITIONAL INFORMATION REGARDING REQUESTED CODE RELIEF (TAC NO. MC4631)

Dear Mr. Christian:

By letter dated September 23, 2004, you requested relief from Section XI of the American Society of Mechanical Engineers Boiler Pressure Vessel Code. The requested relief involves repairs to certain brazed joints.

The Nuclear Regulatory Commission staff is reviewing your request and has determined that additional information is required. The enclosed request for additional information (RAI) was forwarded electronically to Mr. Paul Willoughby of your staff on February 3, 2005. I understand that you intend to respond to this RAI within 30 days of the date of this letter. If you have any questions, I can be reached at (301) 415-1494.

Sincerely,

/RA/

George F. Wunder, Project Manager, Section 2 Project Directorate I Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket No. 50-423

Enclosure:

As stated cc w/encl: See next page

Millstone Power Station, Unit No. 3 cc:

Lillilan M. Cuoco, Esquire Senior Counsel Dominion Resources Services, Inc.

Building 475, 5th Floor Rope Ferry Road Waterford, CT 06385 Edward L. Wilds, Jr., Ph.D.

Director, Division of Radiation Department of Environmental Protection 79 Elm Street Hartford, CT 06106-5127 Regional Administrator, Region I U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 First Selectmen Town of Waterford 15 Rope Ferry Road Waterford, CT 06385 Mr. John Markowicz Co-Chair Nuclear Energy Advisory Council 9 Susan Terrace Waterford, CT 06385 Mr. Evan W. Woollacott Co-Chair Nuclear Energy Advisory Council 128 Terry's Plain Road Simsbury, CT 06070 Senior Resident Inspector Millstone Power Station c/o U.S. Nuclear Regulatory Commission P. O. Box 513 Niantic, CT 06357 Ms. Nancy Burton 147 Cross Highway Redding Ridge, CT 00870 Mr. William D. Meinert Nuclear Engineer Massachusetts Municipal Wholesale Electric Company Moody Street P.O. Box 426 Ludlow, MA 01056 Mr. J. Alan Price Site Vice President Dominion Nuclear Connecticut, Inc.

Building 475, 5th Floor Rope Ferry Road Waterford, CT 06385 Mr. Chris Funderburk Director, Nuclear Licensing and Operations Support Dominion Resources Services, Inc.

5000 Dominion Boulevard Glen Allen, VA 23060-6711 Mr. David W. Dodson Licensing Supervisor Dominion Nuclear Connecticut, Inc.

Building 475, 5th Floor Rope Ferry Road Waterford, CT 06385

ML050410031

  • Memorandum dated January 27, 2005 OFFICE PDI-2/PM PDI-2/LA EMCB/SC*

PDI-2/SC NAME GWunder CRaynor TChan DRoberts DATE 02/25/05 02/22/05 01/27/05 02/23/05

REQUEST FOR ADDITIONAL INFORMATION MILLSTONE POWER STATION, UNIT NO. 3 DOCKET NO. 50-423 REQUESTED CODE RELIEF

1. Please provide a description of the Millstone Power Station Unit No. 3 long-term service water brazed joint remediation plan.
2. In Section 6.2 of Attachment 1 of your letter dated September 23, 2004, you state that "A visual inspection was performed of the other three coolers, which included a total of 81 separate field joints, and no additional brazed joint leaks were identified."

Are all field joints the same as brazed joints? If not, how many are brazed joints?

3. What is the current leakage from each of the joints? When and how (e.g., by required pressure testing or system walkdown) was the leakage first identified? Has the leakage changed since it was first identified?

Enclosure