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Fuel Pool Cooling & Cleanup (Fuel Pool)
BWR Systems
9
Other
Not Applicable
07/31/2012

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Cards

Term
Fuel Pool

Describe the normal/required temps of fuel pool.
Definition
-Max temp is 140F.
-Normally maintained <125F and cool entire pool every 12 hours.
-Done for work environment, demin sysem, and clarity of the pool.
Term
Fuel Pool

Describe heat load assumptions for fuel pool.
Definition
-Noraml outage is 5600,000 btu/hr by 141 bundles every 18 months.
-Emergency cooling is 19,000,000 btu/hr (full core).
Term
Fuel Pool

Describe significant levels in the skimmer surge tanks.
Definition
-Normally 5-8 feet.
-High alarm at 8'.
-Low alarm at 4'.
-Trip pump at 2'6".
Term
Fuel Pool

Describe pump trips alarms and capacity.
Definition
-450gpm capacity.
-Trip on 2'6" level in first skimmer surge tank.
-Trip on 6.5# suction pressure.
-Alarm on 50# discharge pressure.
Term
Fuel Pool

Describe the heat exchanger cooling.
Definition
-Shell side has RBCCW flow.
Term
Fuel Pool

Describe the pump power supplies.
Definition
-11/12 pumps MCC-133/143.
-Holding pumps, precoat pump, and agitators are MCC-141.
Term
Fuel Pool

Describe when the holding pumps start.
Definition
-Auto start at 150gpm.
Term
Fuel Pool

Describe the leak alarms.
Definition
-Refuel bellows seal leak alarm: .75gpm.
-Fuel pool gate leak alarm: 1.0gpm.
-Rx well seal leak alarm: 3.0gpm.
Term
Fuel Pool

Describe heat exchanger alarms.
Definition
-120F inlet.
-100F outlet.
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