ML20125D302

Notice of Violation from Insp on 920927-1107.Violation Noted:Both Trains of Standby Gas Treatment Not Operable When Standby Gas Treatment Was in Containment Purge Mode

ML20125D302
Person / Time
Site:	River Bend
Issue date:	12/10/1992
From:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:
Shared Package
ML20125D293	List: ML20125D291 ML20125D302 ML20125D336
References
50-458-92-32, NUDOCS 9212150092
Download: ML20125D302 (3)

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APPENDIX A NOTICE OF VIOLATION Gulf States Utilities Docket: 50-458 River Bend Station License: NPF-47 St. Francisville, Louisiana During an NRC inspection conducted on September 27 through November 7, 1992, tnree violations of NRC requirements were identified. In accordance with the

" General Statement of Policy and Procedure for NRC Enforcement Actions,"

10 CFR Part 2, Appendix C, the violations are listed below:

A. Failure to Follow a System Operating Procedure Technical Specification 6.8.1 requires, in part, that written procedures shall be established, implemented, and maintained covering the applicable procedures recommended in Appendix A of Regulatory Guide 1.33, Revision 2, February 1978.

Regulatory Guide 1.33, Appendix A, recommends, in part, that instructions for startup, shutdown, and changing modes of operation should be prepared for tne containment ventilation system.

System Operating Procedure 50P-0059, which was issued to satisfy the above provisions of Regulatory Guide 1.33, Appendix A, requires, in Section 5.4, that both trains of standby gas treatment must be operable to use standby gas treatment in the containment purge mode.

Contrary to the above, on September 24, 1992, both trains of standby gas treatment were not operable when standby gas treatment was in the containment purge mode. Control room operators initiated a containment purge utilizing Standby Gas Treatment Train A in the containment purge mode for approximately 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, with Train B inoperable.

This is a Severity Level IV Violation. (Supplement I) (458/92032-1)

B. Failure to Verify Offsite Power Supply Operability Technical Specification 3.8.1.1, Action b, requires, with either Diesel Generator 1A or IB inoperable, that the operability of the required AC offsite sources to be demonstrated by performing Surveillance Requirement 4.8.1.1.1.a within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter.

Technical Specification Surveillance Requirement 4.8.1.1.1.a requires, in part, that each of the required independent circuits between the offsite transmission network and the onsite Class IE distribution system shall be determined operable by verifying correct breaker alignments and indicated power availability.

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%., ;4 Contrary.to the~above, on October 9, 1992, between the hours of 1:43 p.m. and 3:01 p.m., while Diesel Generator lA was inoperable  ;

(in the maintenance mode), each required independent circuit between the offsite transmission network and the onsite Class 1E  !

distribution system was not determined to be operable within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> by verifying correct breaker alignments and power availability. ,

This is a Severity Level IV Violation. (Supplement I) (458/92032-2)

C. Failure to Control Safety-Related Maintenance Technical Specification 6.8.1 requires, in part, that written procedures shall be established, implemented, and maintained covering the applicable procedures recommended in Appendix A of Regulatory Guide 1.33, Revision 2, February 1978.

Regulatory Guide 1.33, Appendix A, states " maintenance that can affect the performance of safety-related equipment should be properly preplanned and performed in accordance with written procedures, documented instructions, or drawings appropriate to the circumstances."

Contrary to the above, on July 8, 1992, maintenance that affected the performance of the Division I emergency diesel generator, safety-related equipment, was not properly preplanned and was not performed in accordance with procedures appropriate to the circumstances in that the work instructions did not specify backing down the adjusting screws when rocker valve arms were reinstalled. This resulted in major damage to the valve train of Cylinder 5 and in three additional bent push rods.

This is a Severity Level IV violation. (Supplement I)(458/92032-3)

Pursuant to the provisions of 10 CFR 2.201, Gulf States Utilities is hereby required to submit a written statement or explanation to the U. S. Nuclear Regulatory Commission, ATTN: Document Control Desk, Washington, D.C. 20555 with a copy to the Regional Administrator, Region IV, and a copy to the NRC Resident Inspector, within 30 days of the date of the letter transmitting this-Notice of Violation (Notice). This reply should clearly be marked as a " Reply to a Notice of Violation" and should include for each violation: (1).the reason for the violation, or, if contested, the basis for disputing the violation, (2) the corrective steps that have been taken and the results achieved, (3) the corrective steps that 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 or demand for information may be issued as to why the license should not

be modified, suspended, or revoked, or why such action as may be proper should not be taken. Where good cause is- shown, consideration will be given to extending the response time.

Dated at Ar ington, T xas, j this day of 7te c/L 1992 L

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