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Mining Infrastructure

Ngezi Concentrator

Client: Zimplats

Sector: Mining Infrastructure


The project consisted of the construction of two 5 000 ton silos, a mill area, rougher and cleaner flotation, thickener area, process water tanks, reagents storage & mixing, pipe & cable racks, offloading bunkers and a number of conveyor bases & infrastructure buildings. This also included the sliding of the two silos at 34m in height by our specialist slip-forming team.   The 18-month project was successfully completed under extremely difficult conditions. The concentrator has been commissioned and is currently operational.  The Ngezi project achieved and exceeded their one million LTI free safety target.


Concrete – 20,226m3

Rebar – 1,806 ton

Excavation – 55,847m3

Filling – 52,362m3

Formwork – 33,933m2



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