MIOSHA: Summary: Part 12 Scaffolds and Scaffold Platforms Flashcards
(91 cards)
Cleat means X.
a structural block used at the end of a platform to prevent the platform from slipping off its supports.
Cleats are also used to
provide footing on sloped surfaces such as crawling boards
Competent person means
a person who is experienced and capable of identifying an existing or potential hazard in surroundings, or under working conditions, that are hazardous or dangerous to an employee and who has the authority and knowledge to take prompt corrective measures to eliminate the hazards.
Crawling board sometimes called a chicken ladder , means
a plank that has cleats, which are spaced and secured, at equal intervals for use by an employee on roofs.
Form Scaffold means
a supported scaffold that consists of a platform supported by brackets attached to the form work .
A crawling board is not designed to
carry any material.
Heavy-duty scaffold means
a scaffold that is designed and constructed to carry a working load of not more than 75 pounds per square foot.
Horse Scaffold means
a supported scaffold that consists of a platform supported by construction horses (sawhorses). Horse scaffolds constructed of metal are sometimes known as trestle scaffolds.
Ladder jack scaffold means
a scaffold that is supported by brackets attached to ladders.
Lean-to scaffold means
a supported scaffold that is kept erect by tilting it toward, and resting it against, a building or structure.
Mobile scaffold means
a powered or unpowered portable caster or wheel-mounted supported scaffold.
Pump-jack scaffold means
a scaffold for light-duty work that consists of vertical poles, platform planking, and movable brackets for raising or lowering the platform on the vertical poles by a manual pumping action.
Qualified person
means one who, by possession of a recognized degree, certificate, or professional standing, or who by extensive knowledge, training, and experience, has successfully demonstrated
his or her ability to solve or resolve problems related to the subject matter, the work, or the project.
Roof bracket scaffold means
a rooftop-supported scaffold that consists of a platform resting on angular-shaped supports.
Rough terrain forklift truck means
a wheeled-type truck which is designed primarily as a fork truck that has a vertical mast or pivoted boom, or both, and that is intended for operation on unimproved natural terrain as well as the disturbed terrain of construction sites.
Tubular welded frame scaffold or “fabricated frame scaffold” means
a scaffold platform that is supported by a metal sectional frame that consists of posts and a horizontal bearer that has intermediate members.
B. Training requirements
An employer shall have each employee who performs work on a scaffold trained by a person qualified in scaffold safety. The training shall enable an employee to recognize the hazards associated with the type of scaffold being used and to understand the procedures to control or minimize the hazards. The training shall include the following areas as applicable:
a.
b.
c.
a. Electrical hazards.
b. Fall protection.
c. Material loads
B. Training requirements
An employer shall have each employee who is involved in erecting, disassembling, moving, operating, repairing, maintaining, or inspecting a scaffold X
trained by a competent person to recognize any hazards associated with the work in question.
C. Construction and capacity generally.
A scaffold shall be designed, constructed, erected, and used in accordance with the provisions of this part. A scaffold shall be designed by X
a qualified person.
C. Construction and capacity generally.
A scaffold shall not be X, except under the supervision of a competent person.
erected, moved, dismantled, or altered
C. Construction and capacity generally.
A scaffold and its components shall be capable of supporting, without failure, not less than X times the maximum intended load.
4
C. Construction and capacity generally.
An employee on a scaffold who is exposed to an overhead hazard of falling material shall be protected with X
overhead protection that is sufficient to prevent injury.
C. Construction and capacity generally.
All load-carrying wood members of scaffold framing shall be a minimum of X psi fiber stress value.
1,500
C. Construction and capacity generally.
A X or Y shall not be used.
shore
lean-to scaffold