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Forwards safety evaluation & technical evaluation rept of purge & vent valve operability & override of containment purge isolation.Action necessary to resolve purge & vent valve operability concerns listed.

Accession Number: ML20027E275

Date Released: Friday, November 6, 2020

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• ML20027E274 - Forwards safety evaluation & technical evaluation rept of purge & vent valve operability & override of containment purge isolation.Action necessary to resolve purge & vent valve operability concerns listed. (5 page(s), 11/2/1982)
• ML20027E277 - Safety evaluation re purge & vent operability.Forty 8-inch butterfly purge valve operability not demonstrated in event of LOCA. (5 page(s), 11/2/1982)
• ML20027E281 - Safety evaluation supporting electrical,instrumentation & control design aspects of override of containment purge valve isolation. (2 page(s), 11/2/1982)