This standard applies to special multipurpose vehicle-mounted machines, commonly known as digger-derricks. These machines are primarily designed to accommodate components which did holes, set poles, and position materials and apparatus. Excluded from this standard are general-purpose cranes designed only for lifting service and machines primarily designed on for digging holes. This standard establishes requirements for specifications and dimensions. It defines the respective responsibilities of the manufacturer, distributor, installer, owner, user, and operator of the digger-derrick. The requirements this standard shall be met or exceeded.