Tech Spec 3.4 Reactor Coolant System

Question 1

LCO 3.4.1 RCS Pressure, Temperature, and Flow Departure from Nucleate Boiling Limits

Answer 1

RCS DNB parameters for PZR Pressure, RCS average temperature, and RCS total flow rate shall be within the limits specified below:
PZR Pressure: >2214 psig
RCS Average Temperature: <593.2 F
RCS Total Flow Rate: >380,000

Applicability: Mode 1

Question 2

LCO 3.4.2 RCS Minimum Temperature for Criticality

Answer 2

Each RCS loop average temperature (Tavg) shall be >551 F

Mode 1, Mode 2 with Keff >1.0