Pipe 1 and 1.25" diameter are required to have hangers no further
than - ANSWERS-12ft apart
All other pipe diameters are required to have hangers no more than -
ANSWERS-15ft apart
Hanger must be at least x inches from upright sprinkler head -
ANSWERS-3 inches
Pipe diameter up to 4" needs rod x inches in diameter - ANSWERS-
3/8
Pipe 5,6,8 inches in diameter require rod to be - ANSWERS-1/2"
10-12 inch pipe require rod to be - ANSWERS-5/8"
Standard RTI sprinkler heads have a RTI of - ANSWERS-80
Quick response RTI sprinkler heads have RTI of - ANSWERS-50
, Sprinkler head with orange or red glass bulb - ANSWERS-135-170 deg
F temp rating Ordinary
Sprinkler head with purple glass red frame - ANSWERS-325-375 deg F
temp rating Extra High
Sprinkler head with yellow or green glass and white frame -
ANSWERS-175-225 deg F temp rating Intermediate
Sprinkler head with blue glass and blue frame - ANSWERS-250-300
deg F temp rating High
Booster pumps - ANSWERS-increases the water pressure in the
sprinkler system until it reaches acceptable levels.
Minimum clearance for sprinkler heads - ANSWERS-18 inches
Unlawful to be installed - ANSWERS-Devices that give the physical
appearance of fire protection equipment (ex. CCTV sprinkler head)
Minimum amount of time records must be kept - ANSWERS-3 years
Hydro static test must be performed - ANSWERS-Every 5 years