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Pawls (dogs or ladder locks)
Devices attached to the inside of the beams on fly sections used to hold the fly section in place after it has been extended. pg 475
Cross members that provide the foothold for climbing.
Extreme top of a ladder. pg 475
Scaling ladder with a single beam and a large curved metal hook that can be put over windowsills for climbing. pg 475
Single Ladders (straight or single ladders)
Consist of only one section of a fixed length.
Single ladders equipped with folding hooks that provide a means of anchoring the ladder over the ridge of a pitched roof. pg 476
Folding ladders (Attic ladders)
They have hinged rungs allowing them to be folded so that one beam rests against the other. pg 476
Consists of a base or bed section and one or more fly sections that travel in guides to permit length adjustment. pg 476
Are designed so that they may be used as a self-supporting step-ladder (A-frame) and as a single or extension ladder. pg 478
Metal ladder characteristics
good conductor of heat, cold, electricity
easy to repair
can suddenly fail when exposed to heat or flame
wides range of sizes pg 478
Wood ladder characteristics
highest cost of all ladders
heaviest per unit of length
retains strength when exposed to heat or flame
very durable pg 478
Fiberglass ladder characteristics
generally a poor conductor of electricity
can suddenly crack and fail when overloaded
can burn when exposed to flame pg 478
kepping ladders in a state of usefulness or readiness. pg 478
means to either restore or replace that which is damaged or worn out.
Portion of the exterior walls of a building that extends about the roof. A low wall at the edge of a roof. pg 484
How many rungs should be extended beyond the roof edge to provide footing and handholding for stepping on or off?
3-5 rungs pg 484
Placement for Ventilation
Place the tip of the ladder about even with the tip of the window and to the windward (upward) side. pg 484
Ladder placement for Rescue
Place the tip of the ladder just below the windowsill.pg 484
When multiple firefighters carry a ladder which firefighter gives the commands (491)?
Firefighter at the butt.
Name two ladder placement guidelines (491-493).
-ladder at least two points on different sides of the buildings-avoid windows or doors-take advantage of strong points of the building such as corners-avoid overhead obstructions-avoid fire
The desired climbing angle (494).
what is one proper method for checking the climbing angle of a ladder (495)?
stand on bottom rung and reach for the rung directly at shoulder level
Per OSHA ladders must be at least ___ feet away from energized electrical lines or equipment (496).
Wooden ladders are designed and intened to be used with the fly __. (497)
When performing a one-firefighter extension ladder raise, what is used to heel the ladder when it is brought to the vertical position (498)?
A four person ______ raise is used for larger extension ladders due to increased weight and length (500).
Heeling a ladder
One method for preventing a ladder from moving.A firefighter stands beneath the ladder with feet about shoulder width apart and grasps the ladder beams at eye level and pulls backward to press the ladder against the building.
Rope Hose Tool (503)
Piece of rope spliced to form a loop through the eye of a metal hook; used to secure hose to ladders or other objects.
Proper hand and foot movement while climbing ladders (503).
Coordingate hand and food movement so that the right hand and left foot are in contact with the ladder as you move the opposite hand and foot to the next rungs.
What needs to be in place before a firefighter can safely work with both hands off of a ladder (504).
Either a ladder belt or a leg lock.
Lowering an extraordinarily heavy victim down a ladder (507)
It may be necessary to use two ladders and two rescuers side by side.