![]() Net Present Value/Internal Rate of Return It is proposed that Image employees undertake dredge operations and wet concentrator plant processing, and that a mining contractor perform the dry mining under a fixed and variable schedule of rates contract. All ore dredge material is proposed to be processed through a floating wet concentrator plant to produce heavy mineral concentrate at a design feed rate of 1 477 t/h to the rougher spirals. The ore and mineralised waste below the overburden are proposed to be mined with a jet suction dredge with capability to mine down to more than 60 m from the surface of the water. ![]() Within the top 15 m to 25 m of the dredging material, those materials designated as overburden or waste material are proposed to be mined using a Beaver cutter suction dredge with a 25 m reach.
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