Stair rail code dimensions
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#STAIR RAIL CODE DIMENSIONS CODE#
Revised OSHA Code 1910.29(f)(1)(ii) The height of stair rail systems meets the following: 1910. Need more clarification, contact Wagner with any additional questions. Handrails serving stepped aisles or ramped aisles are permitted to be discontinuous in accordance with Section 1029.16.1. Revised OSHA Code 1910.28(b)(11)(ii) Each flight of stairs having at least 3 treads and at least 4 risers are equipped with stair rail systems and handrails. For each 1/ 2 inch (12.7 mm) of additional handrail perimeter dimension above 4 inches (102 mm), the vertical clearance dimension of 1 1/ 2 inches (38 mm) shall be permitted to be reduced by 1/ 8 inch (3.2 mm).Ĥ.Where handrails are provided along walking surfaces with slopes not steeper than 1:20, the bottoms of the handrail gripping surfaces shall be permitted to be obstructed along their entire length where they are integral to crash rails or bumper guards.ĥ. 1910.29(b)(9) - Top rails and mid-rails must be at least 1/4 inch (0.6 cm) in diameter or thickness. Handrails within dwelling units are permitted to be interrupted by a newel post at a turn or landing.Ģ.Within a dwelling unit, the use of a volute, turnout, starting easing or starting newel is allowed over the lowest tread.ģ.Handrail brackets or balusters attached to the bottom surface of the handrail that do not project horizontally beyond the sides of the handrail within 1 1/ 2 inches (38 mm) of the bottom of the handrail shall not be considered obstructions. Handrails and stair rail systems are smooth-surfaced to protect employees from injury, such as punctures or lacerations, and to prevent catching or snagging of clothing.