Job Description:

• 1) Controls equipment that heats asphalt to specified temperature and viscosity for use in manufacture of roofing materials: Starts pumps that fill tanks with asphalt, and turns wheels and valves to regulate temperature and steam pressure.

• 2) Actuates air compressor to force air bubbles through liquid asphalt, creating chemical reaction that raises asphalt melting point.

• 3) Observes and adjusts dials and gauges to maintain specified temperature, pressure, and depth of asphalt in tanks.

• 4) Starts discharge pumps, and turns valves to direct flow of heated asphalt into plant and storage tanks.