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Details

Standby Liquid Control (SBLC)
BWR Systems
8
Other
Not Applicable
05/28/2012

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Cards

Term
SBLC

Describe the level indicators.
Definition
-Float: 1300-1600 gallons.
-High level at 1575 gallons.
-Low level at 1407 gallons.
-Alarms on C-05.
-Bubbler: 0-1700 gallons.
-Alarm at 0 net (8.5" and 325 galls).
-Also secures heaters at 649.5 gallons (25").
Term
SBLC

Describe the heaters temperature band and power supply.
Definition
-Maintain 68-110F (75F optimal).
-Powered by MCC-132.
Term
SBLC

Describe the pumps, capacity and power supply.
Definition
-Positive displacement pumps and motors.
-28.5gpm (24 design).
-Pump A MCC-133.
-Pump B MCC-142.
Term
SBLC

Describe the squib valve continuity setpoint and panel location.
Definition
-Alarm on C-05.
-Set at <.7A.
Term
SBLC

Describe how to initiate and what happens upon SBLC initiation.
Definition
-Can only initiate 1 side.
-Blows squib valve.
-Squib valve only blows if initiated from C-05.
-Shuts RWCU MO-2397,2398, 2399.
-Shuts Recirc system sample valves CV-2790, 2791.
Term
SBLC

Describe the effects of a loss of instrument air.
Definition
-Low-low indication.
-Heaters shut off.
Term
SBLC

Describe the effects of a loss of Y-20.
Definition
-Lose red and green lights for both pumps.
-Lose the XP-8 indication light.
-Lose both squib valve ready lights.
Term
SBLC

Describe the effects of a loss of Y-30.
Definition
-Receive tank Hi/Lo alarm.
-C-05 SBLC tank level low.
-Pump discharge fails low on C-05.
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