All scaffolds will be capable of supporting 4 times maximum their intended load and erected on sound, rigid footing, capable of carrying the maximum intended load without settling or displacement.
Guard rails and toeboards will be installed on all open sides and ends of platforms more than 6 ft. above ground or floor, except needle beam scaffolds and floats which require the use of safety harnesses. Scaffolds 4 ft. to 10 ft. in height, with a minimum dimension in either direction of less than 45 in., will have appropriate guard rails installed on all sides and ends.
Where persons are required to work or pass under scaffolds, there will be a screen with maximum 1/2” openings between toeboard and guard rail. Planking will be scaffold grade or equivalent as recognized by approved grading rules for the species of wood used in the planking. Scaffold planking is to be overlapped a minimum of 12 in. or otherwise be secured from movement.
Scaffold planks will extend over end supports not less than 6 in. nor more than 12 in. Scaffolding and accessories with defective parts will be immediately repaired or replaced.
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