ML20151S944

Notice of Violation from Insp on 880627-0701.Violation Noted:Train a & B Cables in Panel CR59 Were in Direct Contact W/Each Other at Bottom of Cabinet

ML20151S944
Person / Time
Site:	San Onofre
Issue date:	07/29/1988
From:	Pate R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
To:
Shared Package
ML20151S942	List: ML20151S938 ML20151S944 ML20151S951
References
50-361-88-18, NUDOCS 8808160176
Download: ML20151S944 (2)

Text

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APPENDIX A NOTICE OF VIOLATION Southern California Edison Company Docket No. 50-361 San Onofre Nuclear Generating Station Unit 2 License No. NPF-10 As a result of the inspection conducted during the period of June 27- through July 1, 1988, and in accordance with the "General Statement of Policy and Procedure for NRC Enforcement Actions," 10 CFR Part 2, Appendix C (1987), the ,

following violation was identified.

10 CFR 50, Appendix B, Criterion V, states, "Activities affecting '

quality shall be prescribed by documented instructions, procedures, or drawings, of a type appropriate to the circumstances and shall be accomplished in accordance with these instructions, procedures or drawings. Instructions, procedures, or drawings shall include appropriate quantitative or qualitative acceptance criteria for determining that important activities have been satisfactorily accomplished."

San Onofre Nuclear Generating Station Construction Specification, CS-E03, Revision 17, entitled "Safety Related and Non-Safety Related Electrical .

Construction Specification for Cable Splicing, Termination and Supports",

Chapter 11.1, states in part:

"Safety Related power, control and instrumentation field cables, of different safety related separation groups, entering a control switchboard, equipment-cabinet, panel or termination box shall maintain a 6 inch minimum physical separation between field cables of redundant Safety Related groups...."

i and Units 2 and 3 separation groups are defined as follows:

Separation Group A: Channel A or Train A Separation Group B: Channel B or Train B.

Contrary to the above, at the time of the inspection, the Unit 2 Train A and Train B cables in Panel CR59 (Post-Accident Monitoring) were in direct contact with one another at the bottom of the cabinet. I This is a Severity Level IV Violation.

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Pursuant to the provisions of 10CFR 2.201, Southern California Edison Company is hereby required to submit a written statement of explanation to the U.S.

Nuclear Regulatory Commission, ATTN: Document Control Desk, Washington DC.-

20555, with a copy to the Regional Administrator, Region V, and a copy to the NRC Resident Inspector, San Onofre, within 30 days of ti:e date of letter transmitting this Notice. This reply should be clearly marked as a "Reply to a Notice of Violation" and should include: (1) the reason for the violation if admitted, (2) the corrective steps which have been takeri, and the results achieved, (3) the corrective steps which will be taken to avoid further violations, and (4) the date when full compliance will be achieved. If an adequate reply is not received within the time specified in this Notice, an order may be , issued to show cause why the license should not be modified, suspended, or revoked or why such other actions as may be proper should not be taken. Consideration may be given to extending you response time for good cause shown.

FOR THE NUCLEAR REGULATORY COPF.ISSION Robert J. P&te', Chief  :

Reactor Safety Branch '

Dated this h th day of d [L 1 1988 at Walnut Creek, California. { ,

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