Little giant A-frame setting
4’ to 7’
Little giant extension setting
9’ to 15’
SCFD extension ladder sizes
24’, 30’, 35’
Which ladders are longer and heavier
Alco-lite
Max ladder size to do single firefighter high-shoulder method?
24’ ext
Ladder rule-of-thumb for height per floor?
Residential = 9’ + 4’ for floor to window sill
Commercial = 12’ +4’
Working lengths of ladders
14’ roof = 13’
16’ roof = 15’
24’ ext = 22’
30’ ext = 28’
35’ ext = 32’
Working angle is?
70 degrees
Rescue lengths of ladders
14’ roof = 12’
16’ roof = 14’
24’ ext = 21’
30’ ext = 26’
35’ ext = 30’
Rescue angle is?
60 degrees
Bailout working length
14’ roof = ‘10
16’ roof = 11’
24’ ext = 17’
30’ ext = 21’
35’ ext = 24’
How many clicks on a 24’ ext give you a rescue length
3 clicks
how far away from building should the base of ladder be to obtain rescue angle?
1/2 the vertical height
how far away from building should the base of ladder be to obtain working angle?
1/4 the vertical height to achieve optimal climbing angle of 75 degrees
Two angles SCFD uses
Working of 60 degrees and everything else rescue of 45 tp 60
How many rungs above roof line should a ladder be for roof access
3-5 rungs
When should a thorough ppe inspection be done?
Every Friday you work
Which level of cleaning is the gear extractor utilized
Level 2
Minimum and Maximum number of sets of gear to washed in Extractor
3 and 5
Buddy breathing uses which pack?
The highest pressure
How much does the scot Air-Pak X3 pro SCBA weight
31 pounds
Vibralert end of service indicator alarm at what bottle percentage
33% 1500 psi
What happens if the primary air path of the pressure reducer become blocked or fails closed?
Secondary air path automatically begins supplying air
How many cubic feet of air is in a 45 minute bottle
66 cubic feet