Analyze rock and mud to detect the presence of oil.
Supervises and coordinates activities of workers engaged in spreading, rolling, and tamping asphalt or similar material to form surfaces of highways, streets, parking lots, and aircraft landing strips: Calculates number of trucks required to haul asphalt from mix plant according to capacity of vehicles, traffic conditions, distance from work site, and productivity of drivers. Tours work site to ascertain progress in meeting time schedules and to detect insufficient utilization of workers and equipment.Measures slope and thickness of paving to verify compliance with contract. Performs other duties as described under SUPERVISOR Master Title. May supervise workers engaged in patching asphalt paving and be designated Supervisor, Patching.