ML061520302
| ML061520302 | |
| Person / Time | |
|---|---|
| Site: | Surry  |
| Issue date: | 06/01/2006 |
| From: | Funderburk C Dominion Resources Services, Virginia Electric & Power Co (VEPCO) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 06-446 | |
| Download: ML061520302 (2) | |
Text
Dominion Resources Services, Inc.
5000 Lhninion Boulevard, Glen Allen, VA 23060
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i0 June 1, 2006 Plugging Attribute Sizing Technique U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555 k
Dominion" Serial No.06-446 NL&OS/vI h Docket No. 50-280 License No. DPR-32 VIRGINIA ELECTRIC AND POWER COMPANY (DOMINION)
SURRYPOWER STATION UNIT 1 STEAM GENERATOR TUBE INSPECTION REPORT Planned eddy current inspections were conducted on the "A" and "C" steam generators during the Surry Unit 1 spring 2006 refueling outage. In accordance with Surry Power Station Technical Specification 4.1 9.F.a, this letter provides notification of the number of steam generator tubes that were plugged during the outage. The tables below show that thirteen (13) tubes were plugged in "A" steam generator and three (3) tubes were plugged in "C" steam generator. The following inspection results were obtained by using three different approved sizing techniques in the assessments.
Steam Generator **A*
The following thirteen (13) tubes were plugged in "A" steam generator as a result of this inspection:
Column 27 N/A Permeability Variations Column 82 N/A Permeability Variations Column 88 40%
Loose Part Wear 21 998.1
Serial No.06-446 SPS 1 SG Tube Inspection Page 2 of 2 AVB Wear Steam Generator "C" 96004.1 The following three (3) tubes were plugged in "C" steam generator as a result of this inspection:
F. o c a t i o n I %TW I Plugging Attribute I
Sizing Technique 1 Column 62 27%
Column 62 32%
Loose Part Wear 21 998.1 Loose Part Wear 21 998.1 No new commitments are being made as a result of this letter. If you have any questions concerning these results, please contact Mr. Gary Miller at (804) 273-2771.
Very truly yours, C. L. F'underburk, Director Nuclear Licensing & Operations Support Dominion Resources Services, Inc. for Virginia Electric and Power Company cc:
U. S. Nuclear Regulatory Commission Region I I Sam Nunn Atlanta Federal Center 61 Forsyth Street, S.W., Suite 23T85 Atlanta, GA 30303-8931 Mr. N. P. Garrett NRC Senior Resident Inspector Surry Power Station Mr. S. R. Monarque U. S. Nuclear Regulatory Commission One White Flint North 1 1555 Rockville Pike Rockville, MD 20852-2738