osha 10 slides 11 - scaffolds.pdf

8/9/2019 OSHA 10 Slides 11 - Scaffolds.pdf

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Key TermsBearer (putlog): A horizontal transverse scaffold member (which may be support

runners) upon which the scaffold platform rests and which joins scaffold upripoles and similar members.

Boatswains' chair: A single-point adjustable suspension scaffold consisting of a se

designed to support one employee in a sitting position.

Body harness: A design of straps which may be secured about the employee in a

distribute the fall arrest forces over at least the thighs, pelvis, waist, chest, an

with means for attaching the harness to other components of a personal fall Brace: A rigid connection that holds one scaffold member in a fixed position with

another member or to a building or structure.

Chimney hoist: A multi-point adjustable suspension scaffold used to provide acce

inside chimneys.

Coupler: A device for locking together the tubes of a tube and coupler scaffold.


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Key TermsCrawling board (chicken ladder): A supported scaffold consisting of a plank with

and secured to provide footing; for use on sloped surfaces such as roofs.Lifeline: A component consisting of a flexible line for connection to an anchorage

hang vertically (vertical lifeline), or for connection to anchorage at both ends

horizontally (horizontal lifeline), and that serves as a means for connecting ot

of a personal fall arrest system to the anchorage.

Maximum intended load: The total load of all persons, equipment, tools, materia

loads and other loads reasonably anticipated to be applied to a scaffold or sccomponent at any one time.

Outrigger: The structural member of a supported scaffold used to increase the ba

scaffold in order to provide support for and increased stability to the scaffold

Outrigger beam (thrustout): The structural member of a suspension scaffold or o

which provides support for the scaffold by extending the scaffold point of att

point out and away from the structure or building.


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osha 10 slides 11 - scaffolds.pdf

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