scope:

Equipment Covered. This standard applies to special multipurpose vehicle-mounted machines, commonly known as digger derricks. These machines are primarily designed to accommodate components that dig holes, set poles and position materials and apparatus.

Equipment Excluded. Excluded from this standard are general-purpose cranes, designed only for lifting service and machines primarily designed for digging holes.

Uniform Specification Data. This standard establishes uniform requirements for design, specifications and dimensions.

Responsibilities. This standard defines the respective responsibilities of the manufacturer, dealer, installer, owner, renter, lessor or lessee, user and operator of the digger derrick.

Purpose. This standard applies to the establishment of criteria for design, manufacture, testing, inspection, installation, maintenance, use, training and operation of vehicle mounted digger derricks to achieve the following objectives:

(1) Prevention of personal injuries and accidents.

(2) Uniformity in ratings.

(3) Understanding by manufacturers, dealers, installers, maintenance personnel, operators, owners, renters, lessors or lessees and users of their respective responsibilities.