PRIMARY FUNCTION: Operate one or several types of power construction equipment including but not limited to motor-graders, bulldozers, rubber tire backhoes or trackhoes, rollers, articulated dump truck drivers, front-end loaders or hydraulic excavators to excavate, move, and grade earth, erect structures, or pour concrete, asphalt, or other hard surface pavement on road beds, parking lots, airport runways and taxiways. Start machine, engage clutch, and push and move levers, switches, and pedals to guide machine along forms or guidelines and to control the operation of machine attachments, such as blades, buckets, scrapers, or swing booms.