TB 149 Residential Sprinklers

Question 1

As of what date the state of California requires installation of residential fire sprinklers in new homes?

Answer 1

January 1, 2011

Question 2

The mandate uses what NFPA standard for residential sprinklers.

Answer 2

NFPA 13D

Question 3

What new construction needs sprinklers

Answer 3

New construction of garages, Patios extending 4’ from house and unattached structures greater that 200sq.ft

Question 4

Sprinklers are only required

Answer 4

In livable areas

Question 5

What areas are exempt from sprinklers

Answer 5

Attics or other combustible sealed spaces are exempt

Question 6

What are residential sprinklers primarily used for

Answer 6

Life safety system

Question 7

What’s the purpose Residential sprinklers

Answer 7

Prevent flashover and improving chances of occupants escape

Question 8

According to NIST a home fire can reach deadly proportions in?

Answer 8

3 minutes

Question 9

How long does NIST say it takes first responders to arrive at house fire

Answer 9

7 to 10 minutes

Question 10

Residential sprinklers

Answer 10

Are more heat sensitive than traditional heads

Question 11

What’s the range of sprinkler heads temperature

Answer 11

135 to 175 degrees

Question 12

How much space a sprinkler head cover

Answer 12

12’x12’

Question 13

How much does extended heads cover

Answer 13

20’x20’

Question 14

LADBS requires a minimum water demand capable of flowing how many heads

Answer 14

2 heads for a period of 10 minutes

Question 15

Residential sprinklers in City of LA uses what type of system

Answer 15

Wet

Question 16

What type of fire NFPA 13D does not defend against

Answer 16

Attic fire

Question 17

Residential sprinklers are not subject to what type of inspection

Answer 17

Chiefs regulation No.4

Question 18

Where are the shutoff/control valve located for residential sprinklers

Answer 18

Located on side of house or garage with in line ball valves near riser