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Sand Supply, Reclamation & Recycling

Cutter Suction Dredgers

Stationery CSDs are equipped with a rotating cutter head, which is able to cut hard soil or rock into fragments. The cutter head is a rotating mechanical device, mounted in front of the suction head and rotating along the axis of the suction pipe. The cut soil is then sucked in by dredge pumps. CSDs cut the soil according to a pre-set profile. The dredged material is then pumped ashore using pumps and a floating pipeline or loaded into a split hopper barge moored alongside, which in turn can transfer the dredged material via a pipeline and booter pump to further bring in the material up to a maximum of 2.2km distance.