Traditional dredging methods also require travel back and forth to disposal sites, often several times a day. The ability to use a standard small workboat resolves some of the capacity and resource constraints that exist in the dredging market, and lowers fuel consumption compared to traditional methods. It utilises the power of the tide and currents, promoting self-replenishment in the estuarian system, through the natural re-suspension of sediment – thus, “Dredging with Nature”.īecause it places the sediment back into the water column at the appropriate depth, there has been no evidence of turbidity or the water quality being impacted. Tiamat consists of a frame carrying one pump to inject water into the sediment overlying the bed of the harbour, and a second pump to extract diluted silt, pump it up and release it into the water column.ĭesigned to be mounted onto a small workboat or multi-cat of between 25-27m that has an A frame, Tiamat is lowered into the water to the depth required.
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