![]() In addition to meeting the requirements of.Note that the worker is wearing a safety belt, whereas the new standard requires a full body harness. An example of a lanyard attached to a vertical lifeline. Uniform tread depth, within ¼-inch, for each flight of stairs.Greater variations in riser height are allowed for the top and bottom steps of the entire system (not for each flight of stairs). Uniform riser height, within ¼-inch, for each flight of stairs.Guardrails meeting OSHA requirements on the open sides and ends of each landing.Stairways installed between 40 degrees and 60 degrees from the horizontal.Slip-resistant surfaces on treads and landings. ![]() A scaffold stairway width of at least 18 inches between stair rails.A landing platform at least 18 inches wide by 18 inches long at each level. ![]()
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