Tb Tools 7 Cockloft Nozzle Flashcards
What is reach of stream
Excess of 60 feet
Do not remove 1/2 OST tips
Facilities generation of steam that enables more rapid extinguishment of fire in confined space of cockloft
Cockloft nozzle description
6' 3" length 1 1/2 aluminum pipe Weighs ~ 10lbs 1 1/2 female end connects to shut off Two 1/2 OST tips ( not removed )
What is discharge rate of cockloft nozzle
Approximately 125 GPM
Supply cockloft nozzle with
1 3/4 handline
Operates with same pressure normally supplied with handline
Where can use cockloft nozzle
Any building with cockloft
Where do you get the cockloft nozzle
Division vehicle
Can the cockloft nozzle be the primary attack line
No never
And only be used when supported and protected by additional conventional hand line
Cockloft nozzle can be attached to any co tolling nozzle simply by
Removing MST of controlling nozzle and then connecting the 1 1/2 female coupling of the cockloft nozzle shut off
When using cockloft nozzle in NFP must you cut vent hole first
Not a must but should be given consideration
What is preferred location of operation of cockloft nozzle in NFP MD
Immediately inside the apartment door
What size hole should be cut in ceiling to operate the nozzle
3’x3’ hole
A minimum space of how much must be present between the top of the ceiling joists and the bottom of the roof joists
Min of 4”
How shall the nozzle be operated
Insert into cockloft between the joists
Alternate direction of stream by rotating nozzle 90 degrees and returning nozzle to original position
Do not operate in continuos counter-clockwise direction .this may cause nozzle to become unscrewed
Use of cockloft nozzle will eliminate the need to pull ceilings for final extinguishment and wash down
No does not eliminate still must pull ceiling
Cockloft can be put to operation by whom
Only chief officer
