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Reviews status of Generic Item B-24 & TMI Action Item II.E.4.2.5 re containment isolation valves in purge sys.Util requested to provide Tech Spec change request within 60 days of receipt of ltr.

Accession Number: ML17194A983

Date Released: Saturday, November 7, 2020

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• ML17319B089 - Reviews status of Generic Item B-24 & TMI Action Item II.E.4.2.5 re containment isolation valves in purge sys.Util requested to provide Tech Spec change request within 60 days of receipt of ltr. (12 page(s), 10/30/1981)
• ML17319B090 - Safety evaluation of valve operability.Upper compartment purge valve test,coupled w/licensee analyses,constitute acceptable demonstration of ability of lower compartment & instrument room purge sys isolation valves to close in LOCA. (6 page(s), 10/30/1981)
• ML17194A982 - Model Tech Specs re containment purge isolation valve operability. (3 page(s), 10/30/1981)
• ML17319B091 - Safety evaluation of override of containment purge isolation & other ESF actuation signals.Electrical,instrumentation & control designs aspects of override of containment purge valve isolation & other ESFs acceptable. (2 page(s), 10/30/1981)
• ML20132C554 - "Technical Evaluation of Response to Position 5 of Item II.E.4.2 of NUREG-0737,Containment Isolation Setpoint for DC Cook Nuclear Power Plant Units 1 & 2." (3 page(s), 5/31/1981)