Fresh/Domestic Water - .5

Question 1

How much water in the FWSTs are reserved for fire fighting?

Answer 1

Each tank maintained at 328,000 gal per tank reserved for fire fighting. (350,000 gal capacity)

Height of the fresh water withdrawal line makes it impossible to lower tank level below 328,000 gallons.

Question 2

How quickly can a deep well pump fill the fire water portion of either fire water storage tank?

Answer 2

8 hrs

Question 3

Under what conditions will the lead deepwell pump auto start?

Answer 3

Fire water storage tank low level (38’ 3”) AND Either Fire water storage tank makeup valve 100% open.
OR
Domestic water storage tank makeup valve 100% open.

Question 4

Under what conditions does the lead deepwell pump auto stop?

Answer 4

Fire water storage tank hi level (38’ 10”) OR Both fire water storage tank makeup valves <100% open
AND
Both domestic water storage tank makeup valves <100% open.

Question 5

what is the purpose of the Emergency Storage Tanks?

Answer 5

Provides a 10 day supply of domestic water for personnel manning the Control Room and Technical Support Center after an accident.