ML20054L760

Notice of Violation from Insp on 820410-0524

ML20054L760
Person / Time
Site:	San Onofre
Issue date:	06/15/1982
From:	Zwetzig G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
To:
Shared Package
ML20054L756	List: IR 05000361/1982020 ML20054L755 ML20054L760
References
50-361-82-20, NUDOCS 8207080443
Download: ML20054L760 (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 on April 10 to Aay 24, 1982, and in accordance with NRC Enforceraent Policy, (10 CFR Psrt 2, Appendix C),

47 FR 9987 (March 9,1982) the following violations dere identified:

A. Technical Specification 6.9.1.10 states:

" Routine reports of operating statistics and shutdown experience, including documentation of all challenges to the safety valves, shall be submitted on a monthly basis to the Director, Office of Manageaent and Progran Analysis, U. S. Nuclear Regulatory Commission, Washington, D. C. 20555, with a copy to the Regional Office of Inspection and Enforcement, no later than the 15th of each month following the calendar month covered by the report."

Contrary to the above, on April 19, 1982 the inspector was informed by the licensee, that the required report for the month of March, 1982 was not subaitted by April 15th,1982 as required but would be submitted shortly. Because of previous difficulties experienced by the licensee in this regard, the need for timely submittal, or the option of making a timely request for an extension of the submittal date for good cause, was discussed with the licensee's representatives by the inspector. Despite these earlier discussions, however, on this occasion no timely request for an extension of the submittal date was made.

This is a Severity Level V violation (Supplement I).

B. Technical Specification 3.0.2 states in part:

"Noncanpliance with a specification shall exist when the requirements of the Limiting Condition for Operation and/or associated ACTION requirements are not met within the specified time intervals...."

Technical Specification 3.8.3.1 states in part:

"The following electrical busses shall be energized in the specified manner:

c. 120 volt A.C. Vital Bus #2Y01 energized from its associated inverter connected to D.C. Bus #201.

d. 120 volt A.C. Vital Bus #2YO2 energized from its associated inverter connected to 0.C. Bus #2D2.

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l 8207080443 820615 DR ADOCK 05000361 PDR

e. 120 volt A.C. Vital Bus #2Y03 energized from its associated inverter connected to D.C. Bus #2D3.

f. 120 volt A.C. Vital Bus #2YO4 energized from its associated inverter connected to D.C. Bus #2D4.

APPLICABILITY: MODES 1, 2, 3, and 4.

' ACTION:

"b. With one A.C. Vital Bus either not energized from its associated inverter, or with the inverter not connected to its associated D.C. Bus: (1) reenergize the A.C. Vital Bus within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />; and (2) re-energize the A.C. Vital Bus from its associated inverter connected to its associated D.C. Bus within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or be in at least HOT STANDSY within the next 15 hours1.736111e-4 days <br />0.00417 hours <br />2.480159e-5 weeks <br />5.7075e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />."

Contrary to the above, on May 16, 1982 at approximately 6:00 P.M.,

while in tiode 4, two Vital Busses (2Y03 and 2404) were not energized from their associated inverters for a period of approximately 15 minutes for test purposes (alternate power sources were utilized). Such a configuration, however, is not permitted by the technical specifications.

This is a Severity Level IV violation (Supplement I).

Pursuant to the provisions of 10 CFR 2.201, Southern California Edison Company is hereby required to submit to this office within 30 days of the date of this Notice, a written statement or explanation in reply, including (1) the 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 l may be given to extending your response time for good cause shown.

Dated d G. B. Zwetzig, Chief Reactor Projects Section 1

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