ML16340A370
ML16340A370 | |
Person / Time | |
---|---|
Site: | Diablo Canyon ![]() |
Issue date: | 10/06/1978 |
From: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
To: | |
Shared Package | |
ML16340A368 | List: |
References | |
50-275-78-12, 50-323-78-12, NUDOCS 7902260611 | |
Download: ML16340A370 (2) | |
Text
APPENDIX A Pacific Gas and Electric Company 77 Beale Street San Francisco, California 94106 Docket Nos.
50-275 and 50-323 Construction Permit Nos.
CPPR-39 and CPPR-69 Notice of Violation Based on the results of an NRC inspections conducted during the period of August 24-September 22, 1978, it appears that one of your activities was not conducted in full compliance with NRC requirements as indicated below.
This item is an infraction.
10 CFR 50, Appendix B, Criterion III, as implemented by FSAR Section 17.1.3, requires that measures shall be established to assure that applicable regulatory requirements specified in the license application for those structures,
- systems, and compo-nents to which Appendix B applies are correctly translated into specifications,
- drawings, procedures, and instructions.
FSAR Paragraph 8.3.3 of the license application requires separation of mutually redundant Class I electrical circuits in boards and panels.
Contrary to the above, on September 19, 1978, the measures established did not assure separation of mutually redundant Class I circuits in the control room panels of Units 1 and 2.
Three circuits in Unit 1 panels and five circuits in Unit 2 panels did not have the required separation.