3.3 Instrumentation Flashcards
3.3.1 Reactor Trip Instrumentation
The RTS Instrumentation for each function in Table 3.3.1-1 shall be OPERABLE
Modes of Applicability - According to the table.
A. One or more functions with one or more required channels or trains Inoperable
A.1 Enter the condition referenced in the table - Immediately.
F. Two IR Neutron Flux Channels Inop - Suspend ops involving positive reactivity adds - Immediately
G. One SR Neutron Flux channel inop - Suspend positive reactivity adds - Immediately.
H. Two SR Neutron Flux Channels Inop - Open Rx Trip Breakers - Immediately
L. One or more channels inop - Verify interlock is in required state for existing conditions - 1 Hr
R. Condition B not met in Modes 3,4,5 or Condition L not met in Mode 3,4,5 for Funct 18.a or Condition I not met - Intiate action to fully insert all rods - Immediately AND make rod incapable of being withdrawn - 1 Hr
3.3.2 ESFAS Instrumentation
The ESFAS instrumentation shall be Operable.
Modes of Applicability - Per Table 3.3.2-1
A. One or more functions with one or more required channels or trains inop - Enter condition referenced in Table 3.3.2-1 - Immediately
F. One channel per bus inoperable - Place channel in trip - 1 Hr
G. One or more channels inoperable - Verify interlock is in required state for existing unit condition - 1 Hr
L. Condition B not met for Function 4.a - Declare associated steam generator stop valve inop - Immediately.
3.3.3 Post Accident Monitoring Instrumentation (PAM)
PAM instrumentation shall be Operable
Modes - 1,2,3
B. Condition A not met - Initiate action in accordance with Spec 5.6.6. - Immediately
E. Condition C or D not met - Enter condition referenced in table 3.3.3-1 - Immediately
G. As required by E.1 and reference in table 3.3.3-1 - Initiate action in accordance with Spec 5.6.6 - Immediately
3.3.4 Remote Shutdown Monitoring Instrumentation
The remote shutdown monitoring instrumentation functions shall be operable
Modes 1,2,3
3.3.5 - Loss of Power (LOP) Diesel Generator Start Instrumentation
Three channels per bus of the Loss of Voltage Function and three channels per train of the Degraded Voltage Function shall be Operable.
Modes 1,2,3 and 4 and when associated DG is required to be Operable by LCO 3.8.2 for loss of voltage function only.
A. One or more functions with one channel per bus or train inoperable - Place channel in trip - 1 Hr
B. One or more functions with two or more channels per bus or train inoperable - Restore all but one channel per bus or train to Operable status - 1 Hr
C. Required action and associated completion time not met - Enter associated conditions for DG made inoperable - Immediatel
3.3.6 - Containment Purge Supply and Exhaust System Isolation Instrumentation
The Containment Purge Supply and Exhaust System Isolation Instrumentation for each function in Table 3.3.6-1 shall be Operable
Modes - According to table
D. One or more auto logic, relay, or SI input from ESFAS train inoperable or Two or more required monitoring channels inop or Condition A, B, or C not met - Isolate affected CPS and E system penetration flow paths by us of at least one closed auto valve - Immediately.
3.3.7 - Control Room Emergency Ventilation System Actuation Instrumentation
The CREV system actuation system for each function in Table 3.3.7-1 shall be Operable
Modes - Per table 3.3.7-1
B. One or more required functions with two trains inop - [Place one CREV train in pressure/cleanup mode AND enter spec for CREV train made inoperable by inop CREV instrumentation] OR place both CREV train in press/cleanup mode - Immediately
3.3.8 - Boron Dilution Monitoring Instrumentation
Two Source Range Neutron Flux monitoring channels shall be operable.
Modes - 3,4,5
B. Two SR Inop-
Suspend Ops involving positive reactivity - Immediately
AND
Restore one channel to oper - 1 Hr
Or
Close unborated water source isolation valves - 1 Hr
And
Perform SR 3.1.1.1 - 1 Hr and every 12 hrs
