This Standard applies to the design, construction, inspection, and operation of conveyors and conveying systems in relation to hazards. The conveyors may be of the bulk material, package, or unit handling types where the installation is designed for permanent, temporary, or portable operation. This Standard shall apply, with the exceptions noted below, to all conveyor installations. This Standard specifically excludes any conveyor designed for, installed for, or used primarily for the movement of human beings, under- ground mine conveyors, automatic guided vehicles, tiering machines (except pallet tierers), pneumatic conveyors, robots or integral machine transfer devices.