Operate dredge to remove sand, gravel, or other materials in order to excavate and maintain navigable channels in waterways.
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- Direct or assist workers placing shore anchors and cables, laying additional pipes from dredges to shore, and pumping water from pontoons.
- Lower anchor poles to verify depths of excavations, using winches, or scan depth gauges to determine depths of excavations.
- Move levers to position dredges for excavation, to engage hydraulic pumps, to raise and lower suction booms, and to control rotation of cutterheads.
- Pump water to clear machinery pipelines.
- Start and stop engines to operate equipment.
- Start power winches that draw in or let out cables to change positions of dredges, or pull in and let out cables manually.
- Control pumps or pumping equipment.
- Direct material handling or moving activities.
- Operate cranes, hoists, or other moving or lifting equipment.
- Operate excavation equipment.
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