A steel structure for conveyor longer than 120m. A tunnel under factory road. Cantilever part longer than 33m and height 28m. Tension tower for conveyor belt. All these structures well balanced by wise design.

Underground tunnels below ore stockpile. One used for escape corridor, another for ore transportation conveyor. Tunnels walls and roof designed for weight of up 25m high stack of heavy rocks. Supporting steel structure of the mechanical parts included in design. Challenge was penetration in existing building as a column was on the way of the