Chapter 5 Flashcards
Ground ladders may be needed for:
(4)
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- Gaining access to the outside of a burning building
- Reaching lock boxes
- Reaching windows for entry, vent, rescue.
- Accessing roofs for vertical ventilation
Unless the situation dictates otherwise, which ladder should be deployed first?
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the longest ladder
The most critical factors when selecting a ground ladder:
(3)
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- Primary objective (rescue, widow or roof acces)
- Fire size and location
- Current and expected fire behavior
The ideal climbing angle for ground ladders is:
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75 degrees
To calculated the propper distance to place the butt of the ladder from the building, you:
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Divide the USED length of the ladder by 4.
Ladder must be long enough to extend _____ to ____ rungs above any parapet or roof eave.
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3 to 5
Where to position a ladder to :
- ventilate a windown
- climb in or out of a narrow window
- direct a hose stream into window
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Along side the window to is windward (upwind) side.
The tip should be even with the upper portion of the window.
Where to position a ladder for:
Entry or resuce
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In the middle of the window
Slightly below the sill
If the sill projects out the ladder can be wedged for additional stability.
OR
If the window is wide enough, the tip can project into it 2 or 3 rungs.
To bridge a gap with a ladder, you may simply slide the ladder across. If the gap is greater than _____ the ladder lenth then you must raise the ladder and slowly lower it with ropes.
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