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19 Cards in this Set
- Front
- Back
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What are the power supplies for the Spent Fuel Pool and Refueling Water Purification Pumps? |
North Spent Fuel Pool Pump - 11C Sout Spent Fuel Pool Pump - 21C RWPP - 11D |
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Spent Fuel Pool Pump Trips
RWPP Trip |
1. Load shed 2. Load conservation 3. Overload/Overcurrent
1. Load Conservation |
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U1 is in a refueling outage in Mode 6 during core offload. SFP Boron concentration is 2300 ppm. What is required? |
TS 3.7.15 - with SFP boron concentration less than 2400 ppm, suspend fuel movement and restore boron IMMEDIATELY OR performa a SFP verification IMMEDIATELY. |
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Design requirements in TS 4.3.2 ensure what SFP parameters are being maintained? |
1. keff less than/equal to 0.95 2. Drainage of the SFP does not exceed 629'4" |
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How many trains of Fuel Handling Air Exhaust Ventilation is required to be in service during fuel movement? |
TS 3.7.13 - 1 train shall be operable and in operation. If inoperable, suspend fuel movement IMMEDIATELY. |
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TS 3.7.14 ensure there is > 23 feet over irradiated fuel in the SFP at all times. What is the bases for this TS? |
Min water level meets the assumptions of iodine DF following a fuel handling accident. 2 hour thyroid dose per person at the site boundary is < 10 CFR 100 limits. |
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Match the following: Region 1 High burnup fuel Region 2 Intermediate burn up fuel Region 3 New fuel |
Region 1 - New fuel Region 2 - High burnup fuel Region 3 - Intermediate burn up fuel |
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Following a U1 entire core offload, it was determined that enrichment of a fuel assembly stored in a Region 2 (or Region 3) rack is not within limits of Table 3.7.16-1. What actions are required? |
Move offending fuel out of region 2 (or 3) IMMEDIATELY. |
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What is the limit of ppm boron during refueling canal activity while connected to the RCS? |
TS 3.9.1 > 2400 ppm - if less than 2400 ppm, suspend canal activity and restore boron concentration IMMEDIATELY. |
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One loop of SFP cooling can maintain ________ assemblies at < ________ degrees F with a max time to boil of ________ hours. |
3420 assemblies (3613 with core offload) 160 (180) 5.8 hours |
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The Refueling Water Purification Pump can take suction on what three sources? |
1. Spent fuel pool. 2. Either unit RWST. 3. Either unit's refueling cavity. |
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What is the major difference between the units to ensure RWST Temperatures are maintained within limits? |
U1 has heat trace. U2 has two heaters and a recirc pump. |
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U1 has just received a Phase A signal. What automatic actions will follow? |
CCW to the SFP Hx isolates via CCR-445. |
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Helium provides what three advantages for dry cask storage? |
1. Cooling via natural circulation 2. Inert - prevents chemical reactions. 3. Leak testing. |
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The MPC base plate, shell, lid, and closure ring are all components of what? |
Confinement barrier |
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10 CFR 72.75 report ability requirements for a damage to a confinement boundary is: |
Emergency declaration per the Emergency Plan within 1 hour. |
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COC ISFSI Modes of Operation include: |
1. Loading 2. Transport 3. Storage 4. Unloading |
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COC LCO requires cask duct temperatures to be less than or equal to 155 deg F. What action(s) are required if this is exceeded? |
If inoperable, measure dose rates IMMEDIATELY. |
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ISFSI Dose limits are: |
25 mRem/yr for ISFSI operations.
5 Rem/yr (1 cask) - DBA |
