CCW

Question 1

What are the auto starts of the CCW pumps?

Answer 1

Low header pressure @80psig.
SI.
Black out sequence.

Question 2

What happens to CCW on high rad signal?

Answer 2

The surge tank vent closes.

Question 3

What cools CCW?

Answer 3

ESW.

Question 4

What trips CCW pumps?

Answer 4

Load shed.
over load.
overcurrent.

Question 5

What are the loads on the CCW safeguard header?

Answer 5

RHR HX.
Charging Pump.
Safety Injection pump.
RHR mechanical seal HX.

Question 6

What are the loads on the CCW misc. header?

Answer 6

Sample HX.
Recip. charging pump.
SFP HX.
Waste Gas compressor.
RCP Seal water HX.
Letdown HX.
BA Evaporator.
RCP thermal barrier.
Containment penetration coolers.
Main steam penetration coolers.
CEQ fan.
Hydrogen monitor.

Question 7

What does the RHR heat exchanger CCW outlet valves throttle to on a SI?

Answer 7

3000gpm.