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12 Cards in this Set

  • Front
  • Back
How tall is a residential story?
Generally 8-10 feet per story with windows 3 feet from the floor.
How tall is a commercial story?
Average commercial story is 12 feet with the windows 4 feet from the floor.
Ladder placement for Roof access?
When using extension ladder for rooftop operations, they should be extended 3 to 5 rungs above the oofline.
Ladder placement for window ventilation?
To allow firefighter to breakout window for ventilation the ladder should be placed at the side of the window, tip slightly higher than top window line.

The ladder positioned this way gives the firefighter leg room for locking-in and working above the window.
Ladder placement for window entry?
For access into a window, the ladder should be positioned to one side within the window, with tip even with the sill. This will allow for easier access on and off the ladder.
Ladder placement for nozzle operations off a ladder?
When using a hoseline off a ladder, the ladder should be positioned to one side within the window, tip 3 rungs above the window sill.

This allows the firefighter to tie off the hoseline, on the top rung for stability and provides room for entry and hoisting of additional equipment.
What is the proper climbing angle?
75 degrees or 1/5 elevation plus 2 or

1. Stand erect on the ground at the bottom of ladder.

2. reach straight forward with arms parallel to ground.

3. Angle is correct when fingers are touching rungs without bending arms.
16ft -20ft ladder can reach__.
1 story Roof.
20ft - 28ft ladder can reach __.
2 story window.
28ft - 35ft ladder can reach __.
2 story roof and 3 story window.
35ft - 40ft ladder can reach__.
3 story roof.
50ft ladder can reach__.
4 story window and roof.