Radwasted Vent

Question 1

How does air flow in building? (radioactive areas)

Answer 1

flows from low to high potential radioactivity areas

Question 2

What will trip exhaust fans?

Answer 2

undervoltage (fans must be restarted on loss of power)

Question 3

What will trip the Hot Lab fan coil unit?

Answer 3

135 deg F fan discharge or return air duct

Question 4

What is the power supply for ALL radwaste vent equipment?

Answer 4

11DE

Question 5

Will dampers closing cause a fan to trip?

Answer 5

No, but supply fan will trip on low exhaust flow

Question 6

When is the storage tank vent filter train used?

Answer 6

When doing maintenance on the tank

Question 7

When is the Tunnel Exhaust fan used?

Answer 7

when personnel are entering the area, must be operated 30 minutes prior to entry

Question 8

What type of pressure is radwaste building maintained at?

Answer 8

Negative pressure

Question 9

What will trip supply fans?

Answer 9

Low flow on exhaust fans

smoke detected in the fan common discharge duct

Question 10

How many exhaust fans are required for 2 supply fans

Answer 10

1

Question 11

What cools Hot Lab fan coil unit?

Answer 11

PCW