![]() ![]() Performing the gargantuan task of maintaining America’s waterways are an array of dredge vessels, such as: Hydraulic Dredges (sucks a mixture of sediment and water to the surface) Hopper Dredges (sucks sediment into the dredge vessel itself for relocation) Cutter Suction Dredges (sucks sediment through a pipe into another target area) Mechanical Dredges (uses a large mechanical scoop to lift dredge material via dipper, backhoe, or clamshell) Risks of Injury on Dredge Vessels of Engineers under the General Survey Act of 1824 and the Rivers and Harbors Act of 1899. Chief among the administrative agencies involved in dredging is the United States Army Corps. west coast) Entrance channels into more restricted areas of navigation Ports and terminal channels Berth and other dock approaches in an area of safe harbor Inland waterways like navigable riversĭredge work can be performed by private companies but permitting-and often the dredge work itself-is intimately connected to the government. The most common areas where dredge vessels operate are: Main approaches from the ocean to protected waters Bar channels, usually protected by jetties (common on the U.S. While dredging is used for marine construction, it is most commonly associated with keeping shipping channels deep enough to support ships, tugs, barges, ferries, cruise ships and other vessels involved in maritime commerce. Thereafter, these areas must be intermittently dredged again to remove the natural accumulation of sediment in the bottom of the waterway. ![]() ![]() Most of the habitable areas sustaining the modern maritime industry were created by dredging at some point. Dredging is the act of removing and relocating sediment from the bottom of a channel, river, harbor, bay, port, bar, or other area of navigable waters. coastal areas that we know of today were not naturally deep enough for vessel traffic. ![]()
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