ML20247A250

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Notice of Violation from Insp on 890601-20.Violation Noted: Recirculation Isolation Valve 2CV8479B for Centrifugal Charging Pump 2B Shut,Rendering Charging Pump 2B Inoperable for More than 7 Days from 890322-0601
ML20247A250
Person / Time
Site: Braidwood  Constellation icon.png
Issue date: 07/11/1989
From: Greenman E
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
Shared Package
ML20247A238 List:
References
50-457-89-20, NUDOCS 8907210188
Download: ML20247A250 (1)


Text

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NOTICE OF VIOLATION Commonwealth Edison Company Docket No. 50-457 As a result of the inspection conducted from June I through June 20, 1989, and in accordance with 10 CFR Part 2, Appendix C - General Statement of Policy and Procedure for NRC Enforcement Actions (1988), the following violation was identified:

Braidwood Technical Specification 3.5.2 requires that two independent emergency core cooling system (ECCS) subsystems be operable, with each subsystem including an operable centrifugal charging pump, during Modes 1, 2, or 3 operation. Action statement a. requires that an inoperable subsystem be restored to operable status with seven days, or that the unit be shut down to at least hot standby (Mode 3) within the next six hours and to hot shutdown (Mode 4) within the following six hours.

Contrary to the above, from March 22 through June 1,1989, recirculation -

isolation valve 2CV8479B for centrifugal charging pump 2B was shut, thaieby rendering the 2B centrifugal charging pump inoperable. One Unit : ECCS subsystem was thus inoperable for more than seven days with th's unit in Mode 3 or higher without action to place the unit in a mode in which Technical Specification 3.5.2 does not apply.

This is a Severity Level IV violation (Supplement I). (50-456/89017-01(DRP);

50-457/89017-01(DRP))

Pursuant to the provisions of 10 CFR 2.201, you are required to submit to 'his office within thirty days of the date of this Notice a written statement or explanation in reply, including for each violation: (1) the corrective actions that have been taken and the results achieved; (2) the corrective actions that will be taken to avoid further violations; and (3) the Jate when full compliance will be achieved. Consideration may be given to extending your response time for good cause shown.

D ec LjT1989 ON AM_ -

M Edward G. GreenmaTC Direct %

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