(2) TB-12 Automatic Sprinkler Systems

Question 1

“Junior Systems” are inexpensive protection for LIGHT HAZARD OCCUPANCIES where not over ___ to ___ sprinklers are likely to operate.

Answer 1

3-4

Question 2

Is there a fire department connection to a “JUNIOR sprinkler system”?

Answer 2

No.

The water supply is DOMESTIC ONLY

Question 3

Is there a drain valve to a “junior sprinkler system”?

Answer 3

No

Question 4

Junior sprinkler heads will discharge about ____ as much water as the standard ONE-HALF inch sprinkler, and are distinguished by a PINTLE extending beyond the center of the DEFLECTOR.

Answer 4

1/2

Question 5

Records show that ___% of all fires in sprinklered buildings are extinguished or satisfactorily held in check by a sprinkler system.

Answer 5

96

Question 6

What is the sprinkler head orifice of junior sprinkler?

Answer 6

1/4 to 3/8”

Question 7

The junior sprinkler system itself is a loop of ____ or ____ inch of copper tubing

Answer 7

3/4 to 1 inch

Question 8

A shut off to the sprinkler system should be made only after _________.

Answer 8

a thorough check reveals the fire is out.

Question 9

1. Pump operators should deliver _____ p.s.i. to the sprinkler system inlet if NO FIRE is showing.
2. If it is obvious that a FIRE is IN PROGRESS and a number of heads have opened, pump pressure should be increased to _____ p.s.i.

Answer 9

1. 100
2. 150

Question 10

Normally, what size firefighting lines are sufficient for sprinkler buildings?

Answer 10

1-1/2”

Question 11

Check List for Officers dealing with Automatic Sprinkler Systems:

Answer 11

1. Have a list of all sprinklered buildings in the area with sketches showing connection locations and main sizes.
2. Be aware of water supply and auxiliary sources in the area.
3. Inspect fire department connection and control valves PERIODICALLY.
4. Hook up and pump into sprinklers WHENEVER the NEED IS EVIDENT.
5. Exercise extreme caution when shutting down systems.
6. Be sure that all auxiliary fire fighting equipment is restored to service before leaving.
7. Hold PERIODIC drills on all of the above.

Question 12

The National Board of Fire Underwriters suggests that during a fire, __________ is responsible for ensuring that the sprinkler system is connected to and supplied with water by the Fire Department.

Answer 12

One of the FIRST ALARM engine companies

(States “should lay two 2 ½ “ lines into the FDC)

Question 13

The fireman who is ordered to close the sprinkler control valve must remain at the valve, so that it can be reopened without delay if needed. He should remain there until _________.

Answer 13

the system is put back into service.

Question 14

________ and _______ are fundamental to minimizing most fire losses.

Answer 14

EARLY DETECTION of FIRE

Effective APPLICATION of the available WATER SUPPLY