ML20212B840

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Notice of Violation from Insp on 861020-24
ML20212B840
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 12/19/1986
From: Zech G
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:
Shared Package
ML20212B813 List:
References
50-327-86-59, 50-328-86-59, NUDOCS 8612290327
Download: ML20212B840 (2)


Text

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, ENCLOSURE 1 NOTICE OF VIOLATION l

, Tennessee Valley Authority Docket Nos. 50-327 and 50-328 i Sequoyah License Nos. DPR-77 and DPR-79 During the Nuclear Regulatory Commission (NRC) inspection conducted on October 20-24, 1986, a violation of NRC requirements was identified. The

< violation involved failure to perform stroke testing of Category "A" and "B" Class 1, 2, and 3 valves at the required frequency. In accordance with the

" General Statement of Policy and Procedure for NRC Enforcement Actions," 10 CFR Part 2, Appendix C (1986), the violation is listed below:

Sequoyah Technical Specification 4.0.5 requires inservice testing of ASME i Code Class 1, 2, and 3 valves in accordance with Section XI of the ASME Boiler and Pressure Vessel Code. Paragraph IWV-3411 of the 1977 Edition of Section XI, applicable to Unit 2, and paragraph IWV-3410 of the 1974 Edition of Section XI, applicable to Unit 1, require stroke testing of Category "A" i

and "B" valves every three months. The Technical Specification defines the i three months as 92 days and allows a 25% extension of the surveillance interval.

Contrary to the above, at various times during 1984 and 1985, a number of Category "A" and "B" valves were not stroke tested within the 92 day, plus 25% extension, surveillance interval. The following are examples:

l Dates Where Test l Valve No. Frequency Violated Requirements 1-FVC-62-92 2/29/84 - 7/25/84 1-FVC-70-206 4/23/85 - 12/17/85 2-FVC-62-90 6/28/84 - 11/26/84 2-FVC-67-352 6/28/85 - 2/3/86 2-FVC-67-346 6/27/84 - 11/26/84 This is a Severity Level IV violation (Supplement I).

Pursuant to the provisions of 10 CFR 2.201, Tennessee Valley Authority is hereby required to submit to this Office within 30 days of the date of the letter i

transmitting this Notice a written statement or explanation in reply including:

(1) admission or denial of the violation, (2) the reason for the violation if admitted, (3) the corrective steps which have been taken and the results 8612290327 861219 7 DR ADOCK 0500 l

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i Tennessee Valley Au'.hority Docket Nos. 50-327 and 50-328 Sequoyah 2 License Nos. DPR-77 and DPR-79 achieved, (4) the corrective steps which will be taken to avoid further violations, and (5) the date when full compliance will be achieved. Where good cause is shown, consideration will be given to extending the response time.

FOR THE NUCLEAR REGULATORY COMMISSION l

Q b &

l Gary G. Zech, Director Division of TVA Projects l Dated at Atlanta, Georgia this $ day of (b._L.r- 1986 l

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