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Responds to 860702 ltr re questions concerning results of control sys single failure study.Concludes that any single power supply line failure would not result in consequences outside bounds of FSAR Chapter 15.W/12 oversize drawings.
Accession Number: ML20209F748
Date Released: Tuesday, October 6, 2020
Package Contents
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- ML20209F743 - Responds to 860702 ltr re questions concerning results of control sys single failure study.Concludes that any single power supply line failure would not result in consequences outside bounds of FSAR Chapter 15.W/12 oversize drawings. (14 page(s), 4/28/1987)
- ML20266F945 - "PRESSURIZER PRESS CONTROL SYSTEM PROPORTIONAL HEATERS FAIL TO TURN ON/MODULATE TOO LOW." Sheet 1 of 2. (1 page(s), 1/31/1986)
- ML20266F952 - "PRESSURIZER PRESS CONTROL SYS BACK UP HEATERS FAIL TO TURN ON." Sheet 1 of 1. (1 page(s), 12/31/1985)
- ML20266F956 - "PRESSURIZER PRESS CONTROL SYSTEM NORMAL SPRAY VALVES." Sheet 1 of 1. (1 page(s), 12/31/1985)
- ML20266F960 - "PRESSURIZER PRESS CONTROL SYSTEM BACK UP HEATERS FAIL TO TRIP." Sheet 1 of 1. (1 page(s), 4/30/1986)
- ML20266F965 - "REACTOR REGULATING SYSTEM CEDMCS RECEIVES CEA WITHDRAW SIGNAL FROM RRS." Sheet 1 of 2. (1 page(s), 4/30/1986)
- ML20266F971 - "TURBINE CONTROL SYSTEM MALFUNCTION." Sheet 1 of 1. (1 page(s), 1/31/1986)
- ML20266F976 - "TURBINE CONTROL SYSTEM LOSS OF TURBINE TRIP CAPABILITY." Sheet 1 of 1. (1 page(s), 4/30/1986)
- ML20266F981 - "MAIN STEAM ATMOSPHERIC DUMP VALVE CONTROL SYSTEM MALFUNCTION." Sheet 1 of 1. (1 page(s), 4/30/1986)
- ML20266F986 - "BORON CONTROL SYSTEM CHARGING PUMP A & B RUNNING." Sheet 2 of 2. (1 page(s), 4/30/1986)
- ML20266F991 - "PLANT PROTECTION SYSTEM SAFETY INJECTION ACTUATION SIGNAL NOT PRESENT." Sheet 1 of 2. (1 page(s), 1/31/1986)
- ML20266F995 - "PLANT PROTECTION SYSTEM CONTAINMENT ISOLATION ACTUATION SIGNAL PRESENT." Sheet 1 of 1. (1 page(s), 1/31/1986)
- ML20266G000 - "PLANT PROTECTION SYSTEM MAIN STEAM ISOLATION SIGNAL NOT PRESENT." Sheet 1 of 2. (1 page(s), 1/31/1986)
