California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 4 - General Mobile Equipment and Auxiliaries › Article 23 - Mobile Ladder Stands and Scaffolds (Towers) › Section 3621 - Definitions

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Brace. A tie that holds one scaffold member in a fixed
						  position with respect to another member.
Climbing Ladder. A separate ladder with equally spaced
						  rungs usually attached to the scaffold structure for climbing and
						  descending.
Coupler. A device for locking together the components
						  of a tubular metal scaffold which shall be designed and used to safely support
						  the maximum intended loads.
Design Working Load. The maximum intended load, that
						  is, the total of all loads including the weight of the workers, materials, and
						  equipment.
Elevated Work Level. The elevated platform, used for
						  supporting workers and their materials, comprising the necessary vertical,
						  horizontal, and diagonal braces, guardrails and ladder for access to the work
						  platform.
Ladder Stand. A mobile fixed size self-supporting
						  ladder consisting of a wide flat tread ladder in the form of stairs. The
						  assembly may include handrails but does not include a platform.
Ledger. A horizontal member of a scaffold upon which
						  the platform rests and which may be supported by ribbons.
Mobile. In connection with this Article, the term
						  "mobile" shall mean "manually propelled."
Mobile Scaffold (Tower). A light, medium, or heavy duty
						  scaffold mounted on casters or wheels.
Mobile Work Platform. A fixed work level on casters or
						  wheels, with bracing diagonally from platform to vertical frame.
Ribbon. A horizontal scaffold member which extends from
						  post to post and which supports the ledger forming a tie between the
						  posts.
Scaffold. Any temporary elevated platform and its
						  necessary vertical, diagonal, and horizontal members used to support workers
						  and materials. (Also known as a scaffold tower.)
Tube and Coupler Scaffold. An assembly consisting of
						  tubing which serves as posts, ledgers, braces, ties, and ribbons, a base
						  supporting the posts, and special couplers which serve to connect the uprights
						  and to join the various members.
Tubular Welded Frame Scaffold. A sectional, panel or
						  frame metal scaffold substantially built up of prefabricated welded sections,
						  which consist of posts and ledgers with intermediate connecting members and
						  braced with diagonal or cross braces.
Tubular Welded Sectional Folding Scaffold. A sectional,
						  folding metal scaffold either of ladder frame or inside stairway design,
						  substantially built of prefabricated welded sections, which consist of end
						  frames, platform frame, inside inclined stairway frame and braces, or
						  hinge-connected diagonal and horizontal braces, capable of being folded into a
						  flat package when the scaffold is not in use.
1.
						  Amendment filed 10-12-84; effective thirtieth day thereafter (Register 84, No.
						  41).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Section
							 142.3, Labor
							 Code.