ML20196F115
ML20196F115 | |
Person / Time | |
---|---|
Site: | North Anna ![]() |
Issue date: | 06/22/1999 |
From: | Hartz L VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
References | |
99-316, NUDOCS 9906290133 | |
Download: ML20196F115 (21) | |
Text
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YIRGINEA EI.ECTRIC ANI) I'OW E R C()M i% N )*
NIC11M()NI), VIRGINI A 2326l June 22, 1999 United States Nuclear Regulatory Commission Serial No.99-316 Attention: Document Control Desk NL&OS/ETS Washington, D.C. 20555 Docket No.
50-338 License Nos. NPF-4 Gentlemen:
VIRGINlA ELECTR!C AND POWER COMPANY NORTH ANNA POWER STATION UNIT 1 ASME SECTION XI INSERVICE INSPECTION PROGRAM RELIEF REQUESTS During the recent refueling outage, North Anna Power Station Unit 1 completed examinations in the third period of the second ten-year interval. Examinations were conducted to the requirements of the 1983 Edition of ASME Section XI. In several instances interferences or weld geometry prohibited the complete examination of the welds.
Pursuant to 10 CFR 50.55a (g) 5, relief is requested from certain requirements of the ASME Section XI Code associated with examinations where only partial coverage could be obtained. Relief requests NDE-047 and NDE-048 are attached and provide the bases of these requests.
These relief requests have been approved by the Station Nuclear Safety and Operating Committee. If you have questions concerning these requests, please contact us.
Very truly yours, L. N. Hartz Vice President - Nuclear Engineering and Services Attachment i
fr /
hY Commitments made in this letter: None 9906290133 990622 PDR ADOCK 05000338 G
t cc:
U. S. Nuclear Regulatory Commission Region ll Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303 Mr. M. J. Morgan NRC Senior Resident inspector North Anna Power Station Mr. M. Grace Authorized Nuclear inspector North Anna Power Station Mr. J. A. Reasor Old Dominion Electric Cooperative innsbrook Corporate Center 4210 Dominion Blvd.
Glen Allen, Virginia 23260
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Attachment Relief Requests NDE-47 and 48 Virginia Electric and Power Company North Anna Power Station Unit 1
1.
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RELIEF REOUEST NDE-47 I. IDENTIFICATION OF COMPONENTS 3
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- 11. IMPRACTICABLE CODE REQUIREMENTS The 1983 edition, Summer 983 Addenda (inclusive) of ASME Section XI in Table IWB-2500-1 does not allow any limitations to the required volumetric and surface examinations.
Code Case N-460,' Alternative Examination Coverage for Class 1 and Class 2 Welds, allows a reduction in coverage, ifit is less than 10%.
III. BASIS FOR RELIEF -
The components listed above have been examined to the extent practical as required by the l
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