In the Department of Transportation and the Connecticut Airport Authority this class is accountable for performing a variety of highly skilled tasks in the construction, maintenance and repair of state roadways, roadsides, bridges, airports and other departmental facilities; operates and maintains highly complex mechanical equipment; may serve as trainer. Incumbents in this class are exposed to extremes of weather conditions, to frequent lifting of heavy weights, to highly dangerous road and traffic conditions, including exposure to heights when working on bridges, to poison ivy, insect bites and allergy irritants during summer months, and to loud and potentially dangerous machinery.