1
Q
The Rx plant gaseous drains system is in a normal lineup. The PRT, containment drains transfer tank, and primary drains transfer tank are at normal levels.
Which describes the expected lineup?
A
no transfer pumps running. One CTMT isol valves closed, the other isol valves open
2
Q
Where is the Rx vessel flange leakoff collected?
A
Containment drains transfer tank
3
Q
Where may the contents of the containment drains transfer tank be transferred?
A
boron recovery system or radioactive gaseous waste
4
Q
Why is nitrogen aligned to the primary drains transfer tank while pumping the contents of the tank?
A
to ensure the tank contents are inerted and an explosive H2/O2 concentration does not form
