R 408.10506 Definitions; P, R.

Rule 506. (1) “Platform rated load” means the combined weight of workers, tools, equipment, and other material which is permitted to be carried by the working platform at the installation, as stated on the load rating plate. (2) “Poured socket” means the method of providing wire rope terminations in which the ends of the rope are held in a tapered socket by means of poured spelter or resins. (3) "Powered platform" means scaffolding equipment that consists of a permanently installed, power-operated working platform and a roof car or other suspension means. (4) “Primary brake” means a brake designed to be applied automatically whenever power to the prime mover is interrupted or discontinued. (5) “Prime mover” means the source of mechanical power for a machine. (6) “Rated load” means the manufacturer's recommended maximum load. (7) “Rated strength” means the strength of wire rope, as designated by its manufacturer or vendor, based on standard testing procedures or acceptable engineering design practices. (8) “Rated working load” means the combined static weight of persons, materials, and suspended or supported equipment. (9) "Registered professional engineer" means a person who has been duly and currently registered and who is licensed by an authority within the United States or its territories to practice the profession of engineering. (10) "Roof car" means a structure that is for suspending a working platform and that provides for the platform's horizontal movement to work positions. (11) “Roof powered platform” means a working platform where the hoist or hoists used to raise or lower the platform is located on the roof. (12) “Roof rigged davit” means a davit used to raise the suspended working platform above the building face being serviced. This type of davit can also be used to raise a suspended working platform that has been ground-rigged. (13) “Rope” means the equipment used to suspend a component of an equipment installation, such as wire rope.