ch 11 Flashcards
(37 cards)
A self-supporting, turntable-mounted, power-operated ladder of two or more sections permanently attached to a self-propelled automotive fire apparatus and designed to provide a continuous egress route from an elevated position to the ground. (NFPA 1901)
Aerial ladder
A ladder equipped with tormentor poles, or staypoles, that stabilize the ladder during raising and lowering operations.
Bangor ladder
The lowest or widest section of an extension ladder. (NFPA 1931)
Base section
The main structural side of a ground ladder. (NFPA 1931)
Beam
A ladder raise used to raise a ladder perpendicular to a building.
Beam raise
The end of the beam that is placed on the ground, or other lower support surface, when ground ladders are in the raised position. (NFPA 1931)
Butt
An alternative to a simple butt spur; a swiveling plate with both a spur and a cleat or pad that is attached to the butt of the ladder.
Butt plate
That component of ground ladder support that remains in contact with the lower support surface to reduce slippage. (NFPA 1931)
Butt spurs
The basic operating motor vehicle, including the engine, frame, and other essential structural and mechanical parts, but exclusive of the body and all appurtenances for the accommodation of driver, property, passengers, appliances, or equipment related to other than control. Common usage might, but need not, include a cab (or cowl).
Chassis
A ground ladder that is capable of being used both as a stepladder and as a single or extension ladder. (NFPA 1931)
Combination ladder
An apparatus that includes a passenger-carrying platform (bucket) attached to the tip of a boom or ladder.
Elevated platform
A non-self-supporting ground ladder that consists of two or more sections traveling in guides, brackets, or the equivalent arranged so as to allow length adjustment. (NFPA 1931)
Extension ladder
Any portable ladder specifically designed for fire department use in rescue, firefighting operations, or training. (NFPA 1931)
Fire department ground ladder
A ladder raise used to position a ladder parallel to a building.
Flat raise
Any section of an aerial telescoping device beyond the base section. (NFPA 1901) This definition applies to aerial ladder devices and ground ladders.
Fly section
A single-section ladder with rungs that can be folded or moved to allow the beams to be brought into a position touching or nearly touching each other. (NFPA 1931)
Folding ladder
A narrow, two-section extension ladder that has no halyard. Because of its limited length, it can be extended manually.
Fresno ladder
Strips of metal or wood that serve to align a fly section during extension. Channels or slots in the bed or fly section may also be used.
Guides
Rope used on extension ladders for the purpose of raising a fly section(s). (NFPA 1931)
Halyard
A label that changes color at a preset temperature to indicate a specific heat exposure. (NFPA 1931)
Heat sensor label
A ladder beam constructed of one continuous piece of I-shaped metal or fiberglass to which the rungs are attached.
I-beam
An A-shaped structure formed with two ladder sections. It can be used as a makeshift lift or hoist when raising a trapped person.
Ladder A-frame
A compliant equipment item that is intended for use as a positioning device for a person on a ladder. (NFPA 1983)
Ladder belt
Devices attached to a fly section(s) to engage ladder rungs near the beams of the section below for the purpose of anchoring the fly section(s). Also called locks or dogs. (NFPA 1931)
Pawls
