ML20030B808

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Safety Evaluation Finding Electrical,Instrumentation & Control Design Aspects of Override of Containment Purge Valves Isolation & Other Actuation Signals Acceptable
ML20030B808
Person / Time
Site: Farley 
Issue date: 08/05/1981
From:
Office of Nuclear Reactor Regulation
To:
Shared Package
ML20030B802 List:
References
NUDOCS 8108240239
Download: ML20030B808 (1)


Text

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SAFETY EVALUATION BY THE OFFICE OF NUCLEAR REACTOR REGULATION RELATED TO OVERRI.DE OF CONTAINMENT PURGE ISOLATION AND OTHER ESF ACTUATION SIGNALS ALABAMA POWER COMPANY JOSEPH M. FARLEY NUCLEAR PLANT, UNIT N0. 1 DOCKET N0. 50-348 Introduction As a result of Abnomal Occurrence #78-05, the NRC issueti a generic letter requesting each licensee to take certain actions. Our review of the licensee's actions included a visit to the plant site and a re-view of licensee provided infomation.

Evaluation The enclosed report (EG&G 1183-4146) was prepared for us by the Lawrence Livemore Laboratory (LLL) and EG&G, San Ramon, as part of our technical assistance program. This report provides a technical evaluation of the electrical instrumentation and control design anects of the override of containment purge valves isolation and other engineered safety feature actuation signals and is based upon review _of.these design aspects against the six staff review criteria provided for the review. The 48-inch con-tainment purge valves at Joseph M. Farley are currently tagged shut and.

are not being used for purging or venting. All venting and purging is being perfomed through an 18-inch system. The isolation valves for this 18-inch system satisfy the staff review criteria cited above. The techni-cal evaluation concludes that the design confoms with our review criterial Conclusion Based unon our review of the consultant's technical evaluation, we conclude that the electrical, instrumentation and control design aspects of the over-ride of containment purge valves isolation and other engineered safety feature actuation signals are acceptable. -

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