Section R. 408.43204 - DefinitionsRule 3204.
(1) "Aerial device" or "aerial work platform" means an entire device that is designed and manufactured to raise personnel to an elevated work position on a platform supported by scissors, masts, or booms.(2) "Aerial ladder" means an aerial device that consists of a single- or multiple-section rung ladder.(3) "Articulating boom" means an aerial device that has two 2 or more hinged boom sections.(4) "Authorized person" means a person who is approved and assigned to perform specific types of duties by the employer and who is qualified to perform those duties because of his or her training or experience.(5) "Commercial chassis" means a vehicle that is built for over-the-road (roadway) travel.(6) "Exposed power line" means a power line that is not isolated or guarded.(7) "Extensible boom" means an aerial device, except for the aerial ladder-type, that has a telescopic boom.(8) "Insulated aerial device" means an aerial work platform that is designed with dielectric components to meet specific electrical insulating ratings.(9) "Mechanically positioned" means that the elevating assembly, whether a mechanical (cable or chain), hydraulic, pneumatic, electric or other powered mechanism, is used to raise or lower the platform.(10) "Platform" means the portion of an aerial work platform, such as a bucket, basket, stand, cage, or the equivalent, that is designed to be occupied by personnel.(11) "Power Line" means a distribution or transmission electrical line.(12) "Qualified person" means a person who possesses a recognized degree, certificate, professional standing, or skill and who, by knowledge, training, and experience, has demonstrated the ability to deal with problems relating to the subject matter, the work, or the project.(13) "Qualified telecommunications employee" means an employee trained to work on communication lines in the proximity of energized power transmission and distribution lines.(14) "Vehicle" means any carrier that is not manually propelled.(15) "Vehicle-mounted elevating and rotating work platform" means an aerial device or aerial work platform.(16) "Vertical tower" means an aerial device that is designed to operate vertically on a level surface.Mich. Admin. Code R. 408.43204