TB 63 Supplementing High Rise Fire Pumps

Question 1

Member responsibly for supplying the water system

Answer 1

first arriving 200 series engineer, or in 2nd arriving engineer

Question 2

What do to with all plugs?

Answer 2

Remove all plugs to prevent back pressure from leaking past the clapper valves and locking them in

Question 3

Connecting 2 1/2” lines… what is the maximum length?

Answer 3

100 feet.

Question 4

If pumping over 300 psi?

Answer 4

strap the lines together using ladder straps on each side of each coupling and midway between coupling. load the lines before strapping.

Question 5

If high rise is over 20 stories? or the system pressure at the FDC is over 250 PSI?

Answer 5

another apparatus shall spot to the 4 way, and pump half the system pressure to the apparatus supplying the FDCs

Question 6

If actual fire additional engines shall

Answer 6

duplicate the lay.

Question 7

What tool do we use to drain standpipes?

Answer 7

hydrator

Question 8

How to use hydrolator?

Answer 8

1. Open gate vale of highest outlet to admit air
2. Connect hose to outlet on 2nd floor. one gate valve
3. When water has drained, open clapper valve with hydrolator at ground level to complete drainage.