Current through Register Vol. 54, No. 50, December 14, 2024
(a) Steps or platforms shall be not less than 12 inches nor more than 14 inches deep, measured from the belt to the edge of the step or platform.(b) The width of a step or platform shall be not less than the width of the belt to which it is attached.(c) The distance between steps shall be equally spaced and not less than nine feet, measured from the upper surface of one step to the upper surface of the step above it.(d) The surface of a step shall approximately make a horizontal position with the up and down-run of the belt.(e) The upper or working surfaces of steps shall be of a material having inherent nonslip characteristics or be covered completely by a securely fastened nonslip tread.(f) When subjected to a load of 400 pounds applied at the approximate center of the step, step frames or supports and their guides shall be of adequate strength to prevent any of the following: (1) The disengagement of any step roller.(2) Any appreciable misalignment.(3) Any visible deformation of a step or its support.(g) No step shall be provided unless there is a corresponding handhold above or below it meeting the requirements of § 7.235 (relating to handholds). If a step is removed permanently for repairs, the handholds immediately above and below it shall be removed before the lift is again placed in service.