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Dredging can be done to recover materials of commercial value; these may be high value minerals or sediments such as sand and gravel that are used by the construction industry. [2] Dredging is a four-part process: loosening the material, bringing the material to the surface (together extraction), transportation and disposal. [1]
Hydrographic survey is the science of measurement and description of features which affect maritime navigation, marine construction, dredging, offshore wind farms, offshore oil exploration and drilling and related activities. Surveys may also be conducted to determine the route of subsea cables such as telecommunications cables, cables ...
The company was founded in 1890 as the partnership of William A. Lydon & Fred C. Drews and was named Lydon & Drews dredging company. Early projects included the shoreline structures for the Chicago's Columbian Exposition. The company soon had satellite operations throughout the Great Lakes. It was renamed the Great Lakes Dredge and Dock Company ...
The dredge could process over 10,000 short tons (9,100 t) of sand per day, and had a 141-foot (43 m) suction pipe that could work in 115 feet (35 m) of water. [2] The dredge is currently sunk into shallow water, and canted over to one side. [4] Most of the superstructure and the large boom are visible above the waterline. [4]
Structural flood management (i.e: flood control) is the reduction of the effects of a flood using physical solutions, such as reservoirs, levees, dredging and diversions. Non-structural flood management includes land-use planning, advanced warning systems and flood insurance.
Pumps being used to dewater a spillway at Baldhill Dam. Dewatering / d iː ˈ w ɔː t ər ɪ ŋ / is the removal of water from a location. This may be done by wet classification, centrifugation, filtration, or similar solid-liquid separation processes, such as removal of residual liquid from a filter cake by a filter press as part of various industrial processes.
Archirodon Group NV is a Greek company with headquarters in Dordrecht, Netherlands and Athens, Greece, that provides services relating to the construction and maintenance of maritime infrastructure and other construction works on an international basis. The main fields of construction work are marine, dredging and land reclamation contractors ...
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