Specifies general requirements, design loads and specific requirements for structures of mobile equipment for continuous handling of bulk materials, including appliances and machines that are intended to carry out similar functions (e.g. excavators, stackers, reclaimers, ship loaders, ship unloaders). It is not intended that This Standard be applied to feeders, fixed conveyors, bucket elevators, storage structures with through flow of materials or intermittent operation bulk handling equipment (i.e. equipment that handles or excavates material on a cyclic basis, such as draglines and power shovels). However, it may be applied to parts of such equipment.