Reactor Trip EOP

Question 1

SAFETY FUNCTION

1. REACTIVITY CONTROL

Answer 1

Acceptance Criteria:

a. RX Power dropping OR RX Power is < 2x10-4% and stable or lowering
b. ALL FSCEA’s are fully inserted OR Boration in progress > 40 GPM OR Adequate SDM as required by Tech Specs is established

Question 2

SFSC

2. MAINTENANCE OF VITAL AUXILIARIES

Answer 2

a. At least 1 vital 4.16kV AC bus energized
b. At least 1 non-vital 13.8kV AC bus energized
c. At least 1 non-vital 4.16kV AC bus energized
d. At least 1 of following trains of PK and PN is energized and is on same train as the powered vital 4.16kV AC bus:
* PKA-M41, PKC-M43, PNA-D25
* PKB-M42, PKD-M44, PNB-D26

Question 3

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3. RCS INVENTORY CONTROL

Answer 3

a. PZR Level 10-65%
b. PZR Level trend to 33-53%
c. RCS 24F or more subcooled
d. RVLMS indicates 100% RVUH (Head Full)

Question 4

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4. RCS PRESSURE CONTROL

Answer 4

a. PZR Pressure 1837-2285 PSIA

b. PZR Pressure trend to 2225-2275 PSIA

Question 5

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5. CORE HEAT REMOVAL

Answer 5

a. RCS DeltaT is < 10F

b. RCS is 24F or more subcooled

Question 6

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6. RCS HEAT REMOVAL

Answer 6

a. RCS Tcold is 560-570F

b. At least 1 SG level 45-60% (NR) and FW available OR FW restoring level in at least 1 SG to 45-60% (NR)

Question 7

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7. CONTAINMENT ISOLATION

Answer 7

a. CTMT Pressure < 2.5 PSIG
b. No valid CTMT area rad monitor alarms or unexplained rise in activity
c. No valid steam plant activity rad monitor alarms or unexplained rise in activity

Question 8

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8. CONTAINMENT TEMPERATURE AND PRESSURE CONTROL

Answer 8

a. CTMT temperature < 117F

b. CTMT pressure < 2.5 PSIG

Question 9

REACTOR TRIP

ENTRY CONDITIONS:

Answer 9

Enter RX Trip when BOTH conditions exist:

• SPTA’s have been performed
• Plant conditions indicate uncomplicated RX Trip occurred

Question 10

IF Main Spray is being used with less than 4 RCP’s running, OR Aux Spray is being used THEN PERFORM ___

Answer 10

Appendix 6, Spray Valve Actuation Data Sheet

• Less Bypass flow, impacts DeltaT, more fatigue to Valves

Question 11

IF steaming to atmosphere, THEN inform ___

Answer 11

RP and the RMS Technician

Question 12

IF at least 1 HPSI Pump is operating AND ALL of the following conditions are satisfied: ___

THEN close the HPSI Injection Valves and stop the HPSI Pump(s)

Answer 12

• RCS is 24 or more subcooled
• PZR Level > 10% and NOT lowering
• At least 1 SG available for RCS Heat Removal with level being maintained or restored to 45-60% NR
• RVLMS indicates RVUH level is 16% or more

Question 13

13. WHEN RX power is 2x10-6% or less, THEN PERFORM ___

Answer 13

Appendix 8, BDAS Check

Question 14

18. Monitor all of the following (SFP items):

Answer 14

• SFP Temp is < 125F
• SFP Cooling is in operation
• SFP Level is > 137’6”