There are basically two approaches to dredging, mechanical and hydraulic. Mechanical dredging involves removing sediment with machinery usually with a bucket of some type. Hydraulic Dredges versus Mechanical Dredges Over the past 3 decades River Sand has built and acquired a fleet of equipment and trucks to allow us to specialize in dredging. Projects involve different approaches to limit impact and associated costs. The dredging method and equipment are never exactly the same on projects. We have multiple long-term projects and always an array of short-term projects but regardless each project has various factors. Having the right piece of equipment is key to being effective and efficient in our industry. River Sand’s toolbox is full of options for dredging. Amphibious excavators can travel and dig on land, mud, and water.Hydraulic dredge sizes are determined by the inside diameter of the discharge side of the pump.There are 2 basic methods of dredging – hydraulic dredging and mechanical dredging.
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