Operation Properties Ī trailing suction hopper dredger is self-loading/unloading and sometimes equipped with a pressurized discharging system.įrom the side of the ship one or two suction pipes descend to the bottom of the seabed. This is made possible by large powerful pumps and engines able to suck sand, clay, silt and gravel. The British trailing suction hopper dredger Arco Avon (IMO 8508383) in the Boudewijn canal, heading from Zeebrugge to Bruges (Belgium) The dredge drag head of a suction dredge barge on the Vistula River, Warsaw, Poland Trailing suction hopper dredger in action in 1987, Beaufort Sea near TuktoyaktukĪ trailing suction hopper dredger is a ship that has a full sailing capacity used to maintain navigable waterways, deepening the maritime canals that are threatened to become silted, to construct new land elsewhere or to replace sand eroded by storms or wave action on the beaches.
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