Section R. 408.41103 - Definitions; B to IRule 1103.
(1) "Brand" means marking by burning with a hot iron .(2) "Cage," "cage guard," or "basket guard" means an enclosure that is fastened to the side rails of a fixed ladder or to the structure to encircle the climbing space of a ladder for the safety of a climber .(3) "Cleats" means a ladder's crosspieces of rectangular cross section which are placed on edge and on which a person may step to ascend or descend .(4) "Double-cleat ladder" means a ladder that is similar to a single-cleat ladder, but is wider and has an additional rail in the center that allows simultaneous 2-way traffic(5) "Equivalent" means alternative designs, materials, or methods that will provide an equal or greater degree of safety for employees .(6) "Extension ladder" means a non-self-supporting portable ladder that is adjustable in length. An extension ladder consists of 2 or more sections traveling in guides or brackets arranged to permit adjustment of the ladder's length. An extension ladder's size is designated by the sum of the lengths of the sections measured along the side rails .(7) "Extension trestle ladder" means a self-supporting portable ladder which is adjustable in length, which consists of a trestle ladder base and a vertically adjustable single ladder, and which has suitable means for locking the ladders together. The size is designated by the length of the rail of the trestle ladder base .(8) "Fixed ladder" means a ladder that is permanently attached to a structure, building, or equipment .(9) "Grab bar" means a handhold that is placed adjacent to, or as an extension above, a ladder for the purpose of providing access beyond the limits of the ladder .(10) "Individual rung ladder" means a fixed ladder that has each rung individually attached to a structure, building, or equipment .Mich. Admin. Code R. 408.41103
1979 AC; 1990 AACS; 1993 AACS