P&Ls

Question 1

What is the precaution associated with heater cooldown prior to shutdown of an AEGTS fan?

Answer 1

Verify the heater has been deenergized for a minimum of 5 minutes to allow cooldown.

Question 2

What is the precaution associated with charcoal temperature?

Answer 2

Ensure charcoal temperature remains below 300F. This temperature is a potential indication of a charcoal fire.

Question 3

Where is it desirable to maintain Annulus pressure?

Answer 3

Normal band is 0.75”-1.0” H2O, and it’s desirable to maintain as close to 0.75” as possible to minimize leakage out of the Containment during post accident scenarios.