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32 Cards in this Set

  • Front
  • Back

Beam

Main structural member of the ladder supporting the rungs or rung blocks

Bed section

Lowest and widest section of the ladder, always remains in contact with the ground or other support surface

Butt

Bottom end of the ladder; the end that is placed on the ground or support surface

Butt spurs

Metal plates, spikes or cleats attached to the butt that prevent slippage

Fly section

Upper sections of extension ladder or some combination ladders. The section that moves

Footpads

Swivel plates attached to the butt of the ladder; usually have rubber or neoprene bottom surfaces

Guides

Wood or metal strips on an extension ladder that guide the fly

Halyard

Rope or cable used for hoisting and lowering the fly sections of an extension ladder; also called the fly rope

Heat sensor label

Label affixed to the inside of each beam of each ladder section: changes color when exposed to a sufficient degree of heat. When exposed it must be put out of service until it can be tested and replaced.

Hooks

Curved metal devices installed near the top end of the roof ladders to secure the ladder to the highest point on a peaked roof of a building

Pawls

Devices attached to the inside of the beams on the fly sections used to hold the fly section in place after it has been extended

Protection plates

Strips of metal attached to the ladders at chaffing points

Pulley

Small, grooved wheel through which the halyard is drawn on an extension ladder

Rails

The two lengthwise members of a trussed ladder beam that are separated by truss or separation blocks.

Rungs

Cross members that provide the foothold for climbing; the rungs extend from one beam to another

Stops

Wooden or metal pieces that prevent the fly section from being extended too far

Tie rods

Metal rods located beneath the rungs extending from one beam to the other of a wooden ladder

Tip

Extreme top of the ladder

Truss block

Spacers set between the rails of a trussed ladder; sometimes used to support rungs

Ladder type: Single wall ladder

6-32 ft tall


Common length of 12-20 ft

Roof ladders

12-24 ft and have hooks at the tip to hook into the peak of a roof. Used when completing vertical ventilation

Folding ladders

Footpads attached to the butts


8-16 ft


10 ft most common height


Most commonly used as attic ladders

Extension ladders

Made up of 2-4 sections (1 bed and remainder are flies)


12-39 ft


Commonly handled by 3 people at a time

Pole ladder (Bangor ladders)

All ladders 40 ft or more must have poles


Pole ladders do not exceed 50 ft


Poles are also known as tormentors

Combination ladders

Used as an A frame, extension ladder or folding ladder


8-14 ft


Must have positive locking devices in order to hold the ladder in position

Pompier ladders (scaling ladders)

Single beam with rungs projecting from both sides


Used to climb from floor to floor


10-16 ft

What's involved in ladder care?

1) Do not expose ladders to elements


2) keep free of moisture


3) do not store where subjected to exhaust or engine heat


4) do not paint except for 12" from tip of beams on top or bottom for identification

Each pumper (engine) must carry...

1) a 10 ft folding ladder


2) a 14 ft roof ladder


3) a 24 ft extension ladder

Positioning: Roof access

Must be placed 5 rungs above roofs edge

Positioning: Window ventilation

Upwind side of window with tip even with the top of the window frame

Positioning: Window access

Tip must be placed below the window sill

Reach is not the same as length. What rules are kept in mind with this?

1) for lengths of 35 ft or less, reach is 1 ft less than length


2) for lengths of 35 ft or more, reach is 2 ft less than length