Section 408.10305. Definitions; A to F.

(1) "Allowable unit stress" means the maximum stress allowed to be applied as specified by recognized national codes and standards, such as the American national standards institute (ANSI), the American society of testing and materials (ASTM), and the national fire protection association (NFPA).

(2)   "Cage," "cage guard," or "basket guard" means an enclosure fastened to the side rails of a fixed ladder or to the structure to encircle the climbing space of the ladder for the safety of a climber.

(3)    "Cleats" means a ladder's crosspieces which are rectangular cross sections placed on edge and on which an employee may step.

(4)   "Design factor" means the ratio of the ultimate failure strength of a member or piece of material or equipment to the actual working stress or intended safe load.

(5)   "Fastenings" means a device including a fixed, hinged, bearing, or slide-type fastening, for attaching a ladder to a structure, building, or equipment.

(6)    "Fixed ladder" means a ladder, including individual rung ladders, that is permanently attached to a structure, building, or equipment. The term does not include a ship's stairs or manhole steps.

History: 1979 AC; 1994 AACS.