ML20215E388

Discusses Insp on 851230-860107 & Forwards Notice of Violation & Proposed Imposition of Civil Penalty in Amount of $50,000.Violation Caused by Wiring Error in Which Actuating Coil of MSIV Solenoid Valve Bypassed

ML20215E388
Person / Time
Site:	Diablo Canyon, 05000000
Issue date:	02/12/1986
From:	Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
To:	Shiffer J PACIFIC GAS & ELECTRIC CO.
Shared Package
ML20215E267	List: IA-86-197, Submits Revised Schedule for 1985-86 SALP Board Meetings for Region V IR 05000275/1985036 IR 05000725/2008031 ML20215E265 ML20215E278 ML20215E285 ML20215E291 ML20215E296 ML20215E306 ML20215E315 ML20215E319 ML20215E328 ML20215E335 ML20215E371 ML20215E381 ML20215E388 ML20215E409 ML20215E441
References
FOIA-86-197 EA-86-004, EA-86-4, NUDOCS 8610150269
Download: ML20215E388 (2)

Text

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" / o,t-UNITED STATES

! NUCLEAR REGULATORY COMMISSi C i 4

,E REGION V b {-r b b 1450 MARIA LANE. SUITE 210 o\ ,o# WALNUT CREEK. CALIFORNIA 94 h C

FEB 121986 Docket No. 50-323 -

License No. DPR-82 EA 86-04 Pacific Gas and Electric Company 77 Beale Street, Room 1451 San Francisco, California 94106 Attention: Mr. J. D. Shiffer, Vice President Nuclear Power Generation Gentlemen:

Subject:

Notice of Violation and Proposed Imposition of Civil Penalty This refers to a special inspection conducted by the NRC during the period of December 30, 1985 through January 7, 1986 of activities authorized by NRC License No. DPR-82. A copy of the associated Inspection Report (No. 50-323/85-45) was sent to you by letter dated January 8, 1986. An Enforcement Conference also was

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held at the Diablo Canyon site on January 10, 1986, with members of your staff.

Based on the results of this inspection and as discussed during the Enforcement Conference, it appears that one of your licensed activities was not conducted in full compliance with NRC requirements.

The violation described in the enclosed Notice of Violation and Propos'ed Imposition of Civil Penalty involved the inoperability of one channel of the automatic actuation logic of one main steam isolation valve (MSIV). The violation was caused by a wiring error in which the actuating coil of the MSIV solenoid valve was bypassed. Over a period of months, evaluations of events provided several opportunities to identify and correct the underlying problem yet you failed to do so. In determining the cause of this violation, additional defi.ciencies in your troubleshooting techniques and post-maintenance testing program were identified.

To emphasize the importance that the NRC attaches to the identification and correction of conditions adverse to quality and timely and proper resolution of plant problems, I have been authorized, after consultation with the Director,.0ffice of Inspection and Enforcement, to issue the enclosed Notice of Violation and Proposed Imposition of Civil Penalty in the amount of

Fifty Thousand Dollars ($50,000) for the violation described in the enclosed Notice. In accordance with the " General Statement of Policy and Procedure for NRC Enforcement Actions," 10 CFR Part 2, Appendix C (1985) (Enforcement Policy), the violation described in the enclosed Notice has been categorized

! as a Severity Level III violation. The base civil penalty for a Severity Level III Violation, $50,000, has been proposed because the factors supporting mitigation of the penalty in this case appear to be offset by the duration of the violation and the numerous missed opportunities for timely identification and correction.

CERTIFIED MAIL RETURN RECEIPT REQUESTED 8610150269 861003 PDR FOIA PDR HOLMES86-197 l

. l Pacific Gas and Electric Company FEB 121986 You are required to respond to this letter and should follow the instructions l specified in the enclosed Notice when preparing your response. In your i response, you should document the specific actions taken and any additional I actions you plan to prevent recurrence. After reviewing your response to this Notice, including your proposed corrective actions, the NRC will determine whether further NRC enforcement action is necessary to ensure compliance with NRC regulatory requirements. '

In accordance with Section 2.790 of the NRC's " Rules of Practice," Part 2, Title 10, Code of Federal Regulations, a copy of this letter and its enclosure will be placed in the NRC Public Document Room.

The responses directed by this letter and the enclosed Notice are not subject to the clearance procedures of the Office of Management and Budget as required by the Paperwork Reduction Act of 1980, PL 96-511.

S rely, k&

John B. Martin f

Regional Administrator

Enclosure:

1. Notice of Violation and Proposed Imposition of Civil Penalty cc w/ enclosure:

S. D. Skidmore, PG&E P. A. Crane, Jr. , PG&E .

R. C. Thornberry, PG&E (Diablo Canyon)

D. A. Taggert, PG&E (Diablo Canyon)

R. S. Weinberg, PG&E (Diablo Canyon)

State of California Sandra Silver

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