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Dredging

The excavation and extraction of solid materials that make up the sea bed using dredges or when necessary dragline excavators, whose main objective is: to increase the draught or depth in docks (inner port areas) or navigation channels, where boats move; to carry out the work necessary for the construction of marine structures obtaining competent foundation surfaces; and finally to carry out works whose purpose is to obtain borrowed material for filling ports or coastal areas and beach regeneration. They can be general, specific or trenched (as with pipelines) depending on the area that they cover.