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Fuel Pool

  1. List the sources of emergency makeup water to the Fuel Pool:
    • Condensate service stations
    • Demin water
    • Firehose straight to Fuel Pool
    • Filter demin backwash connection
    • RHRSW via RHR
    • Firewater via RHR
    • Precoat pump
    • RHR suction from Torus
  2. List the five Fuel Pool cooling modes:
    • Normal cooling/cleanup
    • Max normal cooling
    • Non-emergency core offload
    • Emergency cooling
    • Refueling well drain down
  3. What is the Fuel Pool cooling rate (btu/hr) in the normal cooling mode?
    5.6x106 btu/hr in normal
  4. What is the Fuel Pool cooling rate (btu/hr) in the emergency cooling mode?
    20x106 btu/hr
  5. What pressure is the Fuel Pool Cooling pump suction trip?
    6.5#
  6. What are the Fuel Pool Cooling pump power supplies?
    • FPCP 11 = MCC-133
    • FPCP 12 = MCC-143
  7. What is the name of the blue glowing effect in the fuel pool?
    Cherenkov Effect
  8. What are the assumptions for the Normal Refueling discharge heat load?
    • 141 assemblies discharged every 18 months w/ average exposure of 25,000 MWD/MTU with 96 hours of cooling time
    • Heat load per discharge batch is nominally 5.6x106 bty/hr
    • Heat load decays rapidly
  9. What are the assumptions for the Emergency Cooling Full Core Discharge?
    • Discharge required 30 days after last refueling and fills final 484 spaces in HDFSS
    • Full core discharge completed 150 hrs after shutdown
    • Heat load calculated is 19x106 btu/hr
  10. What fan is associated with the ventilation ducts on the Fuel Pool skimmer surge tanks?
    V-EF-28 is the FP exhaust fan
  11. What is the Fuel Pool temperature alarm setpoint, and where do they monitor temperature?
    • 120F
    • Monitored at suction of FPCP
  12. What is the Fuel Pool cooling pump low discharge pressure setpoint?
    50#
  13. What is the Fuel Pool Filter/Demin high inlet temperature alarm setpoint?
    100F
  14. What are the Fuel Pool skimmer surge tank level alarm setpoints?
    • 8 ft - high level alarm
    • 4 ft - low level alarm
    • 2 ft 6 in - FPCP trip
  15. What is the Refuel Floor ventilation supply fan?
    V-AH-4A/B
  16. During refueling, what system is always running and adding water to the Fuel Pool system (with gates removed)? How much water is added?
    • CRD cooling water flow
    • Adds approximately 50gpm
  17. What flowrate will start the Fuel Pool filter/demin holding pumps?
    150 gpm
  18. What is the primary power supply for the Fuel Pool filter/demin system?
    MCC-141
  19. What is the Fuel Pool heat exchanger outlet high temperature alarm?




    A. 100F

    • 120F is the Fuel Pool pump suction temp
    • 140F is the filter/demin high temp
    • 150F is a distractor
Author
jasonstone808
ID
100051
Card Set
Fuel Pool
Description
Cert Class. Fuel Pool Cooling and Cleanup system
Updated

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