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Advises that,due to mods to safety injection actuation sys to prevent flow to steam generators caused by failure of Motor Operated Valve 852A or 852B,ECCS performance will not be adversely affected by single failure of valve to close.

Accession Number: ML20090B762

Date Released: Saturday, October 26, 2024

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• ML20090B760 - Advises that,due to mods to safety injection actuation sys to prevent flow to steam generators caused by failure of Motor Operated Valve 852A or 852B,ECCS performance will not be adversely affected by single failure of valve to close. (1 page(s), 5/2/1975)
• ML20090B763 - Informs that,due to mods so all valves downstream of Motor Operated Valves 852 A & B will close automatically upon safety injection actuation sys signal,ECCS performance will not be affected by single failure of valve to close. (3 page(s), 4/11/1975)