ML20198C194

Notice of Violation from Insp on 910401-0510.Violation Noted:Licensee Failed to Implement Adequate Corrective Action to Replace GE Type CR120A Relays Failing as Result of Higher Rated Voltage Applied to Relay Coils

ML20198C194
Person / Time
Site:	Quad Cities
Issue date:	06/24/1991
From:	Miller H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
Shared Package
ML20198C177	List: IR 05000254/1991011 ML20198C172 ML20198C194 ML20198C207
References
50-254-91-11, 50-265-91-07, 50-265-91-7, NUDOCS 9106280174
Download: ML20198C194 (2)

Text

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NOTICE OF VIOLATION Commonwealth Edison Company Docket Nos: 50-254; 50-265 Quad Cities Power Station Licenses Nos: DPR-29; DPR-30 Units 1 and 2 During an NRC inspection conducted on April 1 through May 10, 1991, 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 (1991), the violations are _ listed below:

A. 10 CFR 50, Appendix B, Criterion XVI, requires that measures be established to assure that conditions adverse to quality are promptly identified and corrected.

Contrary to the above, since May 1980 the licensee failed to implement adequate corrective action to replace General Electric (GE) type CR120A relays which were failing as a result of higher than rated voltage applied tc the relay coils.

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

B. 10 CFR 50.59 requires licensees that make changes to their facility without prior Commission approval to maintain a written safety "

evaluation which provides the bases for the determination that the change does not involve an unreviewed safety questior..

Contrary to the above, prior to May 10, 1991, the licensee made a change to the facility by connecting the integrated leak rate testing (ILRT) motor driven air compressors to Unit 2 safety bus No. 23, without providing a written safety evaluation for ILRT testing of Unit 1 containment with Unit 2 at 100% power.

This- is a Severity Level IV violation (Supplement 1).

Pursuant to the provisions of 10 CFR 2.201, Commonwealth Edison Company 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 III, and a copy to the NRC Resident Inspector at the facility that is the subject of this Notice, within 30 days of the date of the letter transmitting this Notice of Violation (Notice). This reply should be clearly 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 9106280174 910624 PDR ADOCK0500g4 a

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NOTICE OF VIOLATION 2 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 may be issued te show cause why the license should not be modified, suspended, or revoked, or why such other 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 G1 n Ellyn, Illinois this _2 day of June, 1991 Y@

H.Q. Hiller,6; rector Division of Reactor Safety

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