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Forwards Inquiry Rept 50-220/72-08 on 720914 re insulation fire in turbine bldg on feedwater supply line beneath feedwater pump.

Accession Number: ML20090D471

Date Released: Saturday, November 7, 2020

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• ML20090D468 - Forwards Inquiry Rept 50-220/72-08 on 720914 re insulation fire in turbine bldg on feedwater supply line beneath feedwater pump. (1 page(s), 12/12/1972)
• ML20090D473 - Inquiry Rept 50-220/72-08 on 720914 re 720913 insulation fire in turbine bldg on feedwater supply line beneath feedwater pump. (2 page(s), 9/20/1972)
• ML20090D476 - Forwards "Torus Insp & Analysis of Effect on Relief Valve Blowdown Forces on Torus Baffles." Rept addresses complete removal of all suppression chamber baffles as recommended by GE. (4 page(s), 4/6/1973)
• ML20090D479 - "Torus Insp & Analysis of Effect on Relief Valves Blowdown Forces on Torus Baffles." (14 page(s), 5/10/1972)
• ML20090D482 - Forwards ROs re failures of electromatic relief valves at Nine Mile Point & Oyster Creek.Dresden & Quad Cities mgt should be notified about problem. (1 page(s), 2/21/1973)
• ML20090D487 - RO:on 721229,turbine trip & anticipatory reactor scram initiated when operator opened cabinet door carrying protective fuses for generator monitoring relays.Caused by open pilot valve for electromatic relief valve D. (10 page(s), 1/17/1973)
• ML20090D491 - Notifies that electromatic valve 112 sustained damage to disc retainer threads & valve body threads.Testing of valve revealed leakage into Chambers A & C resulting in further damage to valve body threads.Joint seal welded. (1 page(s), 8/16/1972)
• ML20090D494 - Discusses problem w/electromatic relief valves.Locking screw became unscrewed allowing lock retainer plate 7 to fall free.Tie-wires broken on valves.Disc retainer & valve body insert stick welded together. (3 page(s), 6/2/1972)