LOT 201.01 RCB Flashcards
- LOT 201.01 RCB*
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What is the containment average air temperature limit as required in LCO 3.6.1.5 Contaiment Air Temperature?
≤ 110 ˚F
Determined by looking at running RCFC inlet temperatures.
- LOT 201.01 RCB*
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How are the RCB airlock doors interlocked?
- Personnel Airlock:*
- *Electronically AND Mechanically Interlocked**
- Aux Airlock:*
- *Mechanically Interlocked**
Prevents both doors from being opened at once.
Note:
Interlocks can be defeated when conditions permit
- LOT 201.01 RCB*
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What must IA header pressure to the airlock seals be in order to make the personnel airlock OPERABLE?
≥ 90 psig
Cannot decay more than 0.5 psig in 8hrs.
Cannot decay more than 1.5 psig in 24 hrs.
- Note:*
- LCO 3.6.1.3 Containment Airlocks is APPLICABLE in MODES 1 - 4.*
- LOT 201.01 RCB*
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Which containment radiation monitor(s) are/is covered by tech specs?
RCB Atmosphere Monitor RE-8011A (Particulate)
LCO 3.4.6.1 RCS Leak detection
Applicable in MODES 1 - 4
- Note:*
- RE-8011B (Iodine) and RE-8011C (Noble Gas) are non-safety related.*
- LOT 201.01 RCB*
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What will a containment pressure of ≥ 3.0 psig cause?
Containment Pressure - High (3.0 psig) [2/3]
Safety Injection
Reactor Trip
Containment Isolation Phase A
Containment Ventilation Isolation
FW Isolation
- Containment Pressure - High 2 (3.0 psig) [2/3]*
- *SL Isolation**
Uses PT-934, 935, 936 ONLY
- Note:*
- Containment Pressure - High and High 2 are the exact same setpoint….*
- LOT 201.01 RCB*
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What will a containment pressure of ≥ 9.5 psig cause?
- Containment Pressure - High 3 (9.5 psig) [2/4]:*
- *Containment Spray Actuation**
- *Containment Isolation Phase B**
Uses PT-934, 935, 936, AND 937
- Note:*
- Containment Pressure - High and High 2 use PT-934, 935, and 936 ONLY*
- LOT 201.01 RCB*
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How many emergency sumps are in the RCB?
Three
Supplies LHSI, HHSI, and Containment Spray (CS)
- Note:*
- Located on RCB -11’ 3”*
- LOT 201.01 RCB*
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What is the design pressure of containment?
- Internal:*
- *56.5 psig**
- Between -0.1 and +0.3 psig*
- CNMT PRESS HI / LOW (CP002)*
- (LCO 3.6.1.4 Containment Internal Pressure)*
- External:*
- *3.5 psig**
Max expected for DBA is 41.2 psig
CNMT PRESS HI/LOW on CP002 will put you in LCO 3.6.1.4 Containment Internal Pressure.
- Note:*
- Design temperature is 286 ˚F*
- LOT 201.01 RCB*
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Where are the RCB airlocks physically located?
- Personnel Airlock:*
- *RCB 68’ SE Quadrant**
- Aux Airlock:*
- *RCB 37’ NW Quadrant**
- LOT 201.01 RCB*
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What containment parameters are monitored in the MCR?
CP002:
Temperature
Humidity
- CP004:*
- *Normal / Secondary Sumps**
- CP005:*
- *Personnel Airlock Seals OCIVs**
- *Airlock Alarms**
- *Contaiment Pressure Alarms (High / High 3)**
- *Normal / Secondary Sumps (Alarms)**
CP018:
Pressure Recorder
Hydrogen Recorder
Normal / Secondary Sump Recorder
QDPS / ICS:
Pressure
Radiation (ICS / RM-11 / RM-23)
Normal / Secondary Sumps (QDPS ONLY)
- LOT 201.01 RCB*
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How is the fuel transfer tube sealed for containment purposes?
- RCB Side:*
- *Double-gasketed blind flange**
- FHB Side:*
- *Gate Valve**
- LOT 201.01 RCB*
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Containment is designed to withstand a safe shutdown earthquake (SSE). During such an event, what is the max expected offsite exposure for whole body and the thyroid?
- Whole Body:*
- *25 Rem**
- Thyroid:*
- *300 Rem**
10CFR100
- LOT 201.01 RCB*
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The normal and secondary RCB sumps have how many pumps?
- Secondary Sump:*
- *1 Pump**
- Pumps to Normal Sump*
- Normal Sump:*
- *2 Pumps w/ alternator**
- Pumps to Floor Drain Tank (FDT)*
- LOT 201.01 RCB*
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Which radiation monitors feed into PAMS?
- *RE-8050 AND RE-8051**
- RCB High Range Radiation*
