Chiefs Reg 4

Question 1

How often is a reg 4 required ?

Answer 1

Every 5 years or 1 year depending on what is getting checked

Question 2

How many reg 4’s are retained?

Answer 2

The last 2

Question 3

What is a class I system ?

Answer 3

Standpipe system primarily for FD use

Question 4

What is a class II system ?

Answer 4

Standpipe system for use of building occupant until FD arrives

Question 5

What is a Class III system ?

Answer 5

For use of either building occupant or FD (combination)

Question 6

What is a combined system?

Answer 6

Water piping serving both 21/2” outlets for FD use

Question 7

How often are central signaling systems , fire escape assemblies and automatic elevators tested ?

Answer 7

Annually

Question 8

How many PSI is the air test that is given to dry standpipes before hydrostatic tests?

Answer 8

25 PSI

Question 9

What is the max allowable pressure lost in dry standpipes due to friction loss ?

Answer 9

No > 15 PSI

Question 10

How much pressure for a hydrostatic test is required in a class I standpipe?

Answer 10

• at least 50 psi more than head pressure

- no less than 200 PSI

Question 11

When an automatic sprinkler system is activated , an outside bell will ring within how many seconds of activation ?

Answer 11

90 seconds