ETP 0173L - Trucks and Excavation Equipment Lab ETP 0173L - Trucks and Excavation Equipment Lab 90 con. hrs. Occupational This lab applies knowledge of the proficiencies in computing, planning, and lifting loads; pole truck auger and winching operations; nonverbal hand signaling; winch cable maintenance and inspection and daily vehicle inspection of boom truck; and bucket truck, digger truck, back hoe, and trencher equipment. You will demonstrate boring equipment and aerial work platform operations. You will also demonstrate maintenance of gloving bucket booms, liners and dielectric testing, and equipment trailering safety. Course Designations: (CH)