Ch 5 Ground Ladders Flashcards
To ensure that ladders are safe to use when needed, firefighters must follow the maintenance procedures recommended by the ladder manufacture, as prescribed and department SOP ‘s, and as specified in NFPA _____, standard on use, maintenance, and service testing of in-service fire department and ground waters
1932
The____length of a ladder is always shorter and it’s actual length because of the safe climbing and working angle
Effective
The ideal climbing angle for ground ladders is ____ degrees from horizontal
75
It is important for firefighters to develop a sense of how far from a building the butt or base of the ladder must be placed to create the ideal climbing angle,. The proper distance can be determined by dividing the used length of the ladder by___
4
The ladder selected must not only be long enough to reach the objective at a safe climbing angle, but must also extend___to___rungs above any parapet or roof eve
3,5
Any fire fighter fitness program should meet the requirements of the Applicable NFPA standards. The most relevant fitness related standards are NFPA___, standard on fire department occupational safety and health program and NFPA___, standard on health related fitness programs for fire department members
1500, 1583
When only four firefighters are available to raise a pool ladder, the operation must be performed_____to the building
Perpendicular
If a ladder is to be used for positioning a fire fighter to break a window for ventilation, it should be placed along side the window to the____side
Windward
If the window opening is wide enough to permit the water tip to project into it and still allow room beside it to facilitate entry and exit and rescue, the ladder can be placed so that it extends___for___rungs into the window opening
Two, three
In the absence of an aerial device, ground ladders are the primary means of gaining access to the roof of structures up to___in height
Four stories
While ladders can be used to construct a variety of water removal contrivances, they are most often used to construct___
Water chutes
When drafting water from a static sources such as a pond or lake, it is important to maintain___inches between the intake strainer in the bottom of the water source
24
If the gap between the buildings is not more than____it’s length, a single ladder can be laid on the roof of one building and the tip simply slid over to the other building
One-third
When five or six firefighters are available to raise a pole ladder, it may be performed either perpendicular or_______ to the building
Parallel
If a ladder is to be used for entry or rescue through a window, a ladder tip is usually placed on the ________ of the window _________
Midline, slightly below the sill