SFSC's Flashcards
Reactor Trip
Reactivity control
- < 2x10-4% (↔ or ↓)
- CEA inserted OR
- 40 gpm boration OR
- SDM verified
Reactor Trip
Maintenance of Vital Auxiliaries
- 1 PB & 1 NA/NB bus
- 1 PK/PN same train as PB
Reactor Trip
RCS Inventory Control
- Lpzr 10-65% trending to 33-53%
- ≥ 24°F RCS SCM
- RVUH 100%
Reactor Trip
Pressure Control
- Ppzr 1837-2285 psia
- Trending to 2250 ± 25 psia
Reactor Trip
Core Heat Removal
- RCS ΔT < 10°F
- ≥ 24°F RCS SCM
Reactor Trip
RCS heat removal
- Tc 560 - 570°F
- One SG 45-60% NR
Reactor Trip
Containment Integrity
- <2.5 psig
- No CNTMT or 2° radiation
Reactor Trip
CNTMT Temp/Press Control
- <117*F
- <2.5 psig
LOCA
Reactivity control
- < 2x10-4% (↔ or ↓)
- CEA inserted OR
- 40 gpm boration OR
- SDM verified
LOCA
Maintenance of Vital Auxiliaries
- 1 PB Bus
- 1 PK/PN same train as PB
- Bus Plus
LOCA
RCS Inventory Control
Condition 1:
- Lpzr >10% [15]
- ≥ 24°F [44°F] RCS SCM
- RVUH ≥ 16%
Condition 2:
- SI flow adequate
- < 44°F [60°F] superheat and NOT rising
LOCA
Pressure Control
Condition 1:
- P/T limits
Condition 2:
- SI flow adequate
LOCA
Core Heat Removal
- <44*F [60] superheat AND not rising
LOCA
RCS heat removal
- 1 SG 45-60% NR
LOCA
Containment Integrity
Condition 1:
- <3 psig
- No CTMT or 2° radiation
Condition 2:
- CIAS Actuated
- No 2° radiation
LOCA
CNTMT Temp/Press Control
Condition 1:
- <235*F
- <8.5 psig
- H2 <1.1%
Condition 2:
- 1 CS flow > 4350 gpm
- <55 psig
- H2 < 4.9%
ESD
Reactivity control
- < 2x10-4% (↔ or ↓)
- CEA inserted OR
- 40 gpm boration OR
- SDM verified
ESD
Maintenance of Vital Auxiliaries
- 1 PB Bus
- 1 PK/PN same train as PB
- Bus Plus
ESD
RCS Inventory Control
Condition 1:
- Lpzr >10% [15]
- ≥ 24°F [44°F] RCS SCM
- RVUH ≥ 16%
- SI flow NOT needed for Lpzr after throttling
Condition 2:
- SI Flow adequate
- ≥ 21% plenum
ESD
Pressure Control
Condition 1:
- P/T limits
Condition 2:
- SI flow adequate
ESD
Core Heat Removal
- Th <650*F
- CET <650*F
- ≥ 24°F [44°F] RCS SCM
ESD
RCS heat removal
- Un-isolated SG 45-60% NR
- Tc (↔ or ↓)