RPV Pressure, Setpoints and Actions Flashcards
(21 cards)
What is the setpoint for RCIC Isolation?
60 psig
RCIC stands for Reactor Core Isolation Cooling
What is the reason for the RHR SDC Isolates set at 135 psig?
Prevent RHR Pump Seal Damage (365 oF Tsat@135 psig)
RHR refers to Residual Heat Removal
What is the TS Safety Limit pressure?
686 psig
TS stands for Technical Specification
What is the setpoint for MSIV Isolation?
807 psig
MSIV refers to Main Steam Isolation Valve
What is the Lo Lo Set pressure for resetting F051D?
926 psig
F051D refers to a specific safety relief valve
What is the normal operating pressure at 100% power?
1025 psig
What does the Hi Pressure Alarm 1040 psig indicate?
Alerts Operator To Impending SRV Opening
What is the Tech Spec Limit for pressure?
1045 psig
Limit is applicable for 15 minutes
What pressure will the reactor scram to prevent exceeding ASME Max Design Pressure?
1065 psig
What is the pressure for opening 9 SRVs in Relief Mode?
1123 psig
What is the design pressure for the RPV?
1250 psig
What is the steam dome pressure safety limit?
1325 psig
What is the peak pressure at RCS bottom?
1375 psig
This pressure is 110% of design pressure, setting a safety limit per Technical Specification
Fill in the blank: The Low Low Set for F051D is _______.
1033 psig
Fill in the blank: The Low Low Set for F051C is _______.
936 psig
What happens at 1083 psig?
B33 Trip To Slow
Off - 25 Sec W/ APRM >4%
ARI Initiation
RFPT/MDFP Runback - 25Sec W/ APRM >4%
What is the pressure at which 5 SRVs open in Safety Mode?
1190 psig
What is the pressure that triggers opening 6 SRVs in Safety Mode?
1180 psig
What pressure indicates opening 8 SRVs in Safety Mode?
1165 psig
What is the pressure for initiating blowdown for F051D?
1103 psig
This involves blowdown at 926# F051D; 936# F051C
What is the pressure that triggers opening 9 SRVs?
1113 psig
This is for initiating Low Low Set for 4 and blowdown at 946#
