Lesotho – Projects

Commodity: Diamonds; Contract Type: EPCM

DemcoTECH designed and constructed a system to dispose of between 3 to 4 Mtpa of dry tailings. The system had to be re-routable, extendable and capable of withstanding the extreme weather conditions and mountainous terrain of Lesotho. The head/drive pulley of the existing conveyor was elevated above ground level with a discharge chute discharging material onto the tail end of the new DemcoTECH 320 m long extendable conveyor. Read more …

Commodity: Diamonds; Contract Type: Design, engineering, procurement, erection and commissioning

DemcoTECH supplied a tailings disposal system for the second diamond treatment plant at Letseng Mine. The project included a conveyor with fixed tripper and multiple discharge points, two 1 km long tail-driven downhill extendable conveyors with a rail-mounted tripper and spreader, and three transfer houses. The system was required to operate at ambient temperatures ranging from +35 °C to – 20 °C,  as Letseng is the highest diamond mine in the world. Read more …