WAC 296-806-42048. Prevent hazardous motion on mobile conveyors

(1) You must make sure mobile conveyors have at least one of the following to prevent hazardous motion: (a) Brakes. (b) Rail clamps. (c) Other position-locking devices. (2) You must provide limit switches that will stop travel when exceeding the design limits of rail-mounted mobile conveyors. (3) You must provide rail stops to keep the conveyor from traveling past its designed end location.