ML20206R635
| ML20206R635 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 06/20/1986 |
| From: | Miller L NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | |
| Shared Package | |
| ML20206R623 | List: |
| References | |
| 50-312-86-18, NUDOCS 8607070193 | |
| Download: ML20206R635 (2) | |
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APPENDIX A NOTICE OF VIOLATION Sacramento Municipal Utility District Docket No. 50-312 P. O. Box 15830 License No. DPR-54 As a result of the inspection conducted between April 22 and May 31, 1986, and in accordance with NRC Enforcement Policy, 10 CFR Part 2, Appendix C, the following violations were identified:
A.
Rancho Seco Technical Specification 6.5.1.6(d) states that the Plant Review Committee shall be responsible for review of all proposed' changes or modifications to plant systems or equipment that affect nuclear safety.
Quality Control Instruction QCI-5 defines " systems or equipment that affect nuclear safety" as those structures, systems or components necessary to assure:
(1) The integrity of the reactor coolant. pressure boundary (2) The capability to shutdown the reactor and maintain it in a safe shutdown condition, or (3) The capability to prevent or mitigate the consequences of accidents which could result in potential offsite exposures, comparable to the guideline exposures of 10CFR100.
On December 9, 1985, reactor coolant pressure boundary valve SFV-22006 was modified to repair a body-to-bonnet leak.
Contrary to the above, the PRC did not review this modification performed under Nonconformance Report No. 5218.
This is a Severity Level IV violation.(Supplement I).
B.
Rancho Seco Technical Specification 6.8.1 states, in part, " Written procedures should be established, implemented and maintained covering the activities referenced below:
a.
The applicable procedures recoumended in Appendix "A" of Regulatory Guide 1.33, November 1972..."
Regulatory Guide 1.33, November 1972, Appendix A, Paragraph A.3 1
recommends administrative prccedures for equipment control (e.g. lor. king and tagging).
Rancho Seco Administrative Procedure AP-26, Abnormal -Tag Procedure, Paragraph 5.2, states, in part "In general, an Abnormal Tag.is required' anytime an electrical, mechanical, structural or pneumatic system is modified and placed in service without an approved DCN.per NEP 4109 to document the change.
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.s Contrary to the above, on December 9, 1986, an abnormal tag was not hung on valve SFV-22006 after being temporarily modified and returned to service under NCR #5218.
This is a Severity Level V violation (Supplement I).
Pursuant to the provisions of 10 CFR 2.201, the Sacramento Municipal Utility District is required to submit to this office within thirty days of the date of this Notice a written. statement or explanation in reply, including: (1) corrective steps which have been taken and the results achieved; (2) corrective steps which will be taken to avoid further items of noncompliance; and, (3) the date when full compliance will be achieved. Consideration may be given to extending your response ting for good ause shown.
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