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DOT Code: 939.362-014

Industry: mine & quarry; smelt. & refin.
Alternate Titles: additive-plant operator; conveyor attendant; crusher operator; grinding-mill operator; mill attenda

Operates panelboard to control conveying, blending, washing, crushing, and sizing of coal, rock, sand, gravel, or ore to prepare it for commercial or industrial use or for further processing: Pushes levers and buttons to start plant machinery. Studies customer orders or work schedules and adjusts controls to draw specified amounts and proportions of different grades of materials from storage bins onto conveyors. Observes dials and gauges to route materials through series of screens, wash boxes, crushers, and driers. Reads ammeters to determine load on conveyors and regulates loads to adjust blends. Observes panel lights and meters for indication of overloads, malfunctions, or plugged chutes, and shuts down plant, reroutes materials, or adjusts controls to regulate feed. Notifies maintenance and loading personnel of delays or malfunctions. Observes operation to determine that refuse and tailings are removed as specified. May operate equipment to dump material from cars.

GOE: 06.02.18 STRENGTH: L GED: R4 M3 L3 SVP: 5 DLU: 77