Glossary of Terms


Glossary vocabulary

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A

AERIAL LADDER

An aerial device consisting of a single or multiple-section rung ladder with a platform at the top.

Entry link: AERIAL LADDER

AERIAL PLATFORM

A mobile device that has an adjustable position platform, supported from ground level by a structure.

Entry link: AERIAL PLATFORM

ALIGNER

See Wale.

Entry link: ALIGNER

ALLOWABLE LOAD

The load limit at which the item is to be used. The maximum allowable load is usually the duty rating of the scaffold: Light Duty, Medium Duty or Heavy Duty. For loads that are in excess of the Heavy Duty rating the scaffold needs to be engineered.

Entry link: ALLOWABLE LOAD

ANCHOR

A device to secure any item of form work or scaffold to a rigid point.

Entry link: ANCHOR

ANCHORAGE

A secure means of attachment to which the personal fall arrest system is connected.

Entry link: ANCHORAGE

ANGELWING

A small specialized light duty man basket especially adapted to use on or with structural I-Beams or other structural members.

Entry link: ANGELWING

ANGULATED ROPING

A method of stage suspension in which the upper wire rope sheaves or suspension points are closer to the plane of the building face than the corresponding attachment points on the stage, thus causing the platform to press against the face of the building during its vertical travel.

Entry link: ANGULATED ROPING

ANSI

AMERICAN NATIONAL STANDARDS INSTITUTE

An organization which develops standard safety specifications and procedures for a wide range of industrial equipment, including ladders and scaffolds. Many regulations are based on these standards.

Entry link: ANSI

APPROVED

Accepted by the authority having jurisdiction.

Entry link: APPROVED


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