![]() ![]() Usually the main objectives of dredging is to recover material of value or use, or to create a greater depth of water. In all but a few situations the excavation is undertaken by a specialist floating plant, known as a dredger. ![]() Possible reasons for dredging include improving existing water features reshaping land and water features to alter drainage, navigability, and commercial use constructing dams, dikes, and other controls for streams and shorelines and recovering valuable mineral deposits or marine life having commercial value. For the fishing boat, see fishing trawler.ĭredging is the excavation of material from a water environment. ![]() Its domestic dredging fleet is positioned on the East and Gulf Coasts, with a smaller number of vessels positioned on the West Coast, and with many of the rivers and lakes dredges on inland rivers and lakes."Dragger" redirects here. It operates three principal types of dredging equipment: hopper dredges, hydraulic dredges and mechanical dredges. Its United States dredging market consists of four primary types of work: capital, coastal protection, maintenance and rivers and lakes. Domestically, its work generally is performed in coastal waterways and deep-water ports. Its dredging generally involves the enhancement or preservation of the navigability of waterways or the protection of shorelines through the removal or replenishment of soil, sand or rock. The Company operates three types of dredging equipment: hopper dredges, hydraulic dredges and mechanical dredges. The Company provides dredging services in the United States. Great Lakes Dredge & Dock Corporation is a provider of dredging services. 1 Day Comparison Chart Accessibility Table. ![]()
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