Olympic Dam, South Australia
Macmahon conducts underground mine development works for BHP at the Olympic Dam site located at Roxby Downs, 560 kilometres north of Adelaide in South Australia.
Olympic Dam is a large poly-metallic mine predominantly mining copper, uranium and gold.
Olympic Dam is the sixth largest known copper ore body, fifth largest gold ore body and largest uranium ore body in the world. It also contains significant quantities of silver and stands as the largest underground mine in Australia.
The Olympic Dam operations comprise a fully integrated underground mine and above ground metallurgical complex.
Macmahon’s initial contract involved 10,091 metres of underground development and associated works. An extension of this initial contract was awarded and to date, Macmahon has carried out 35,000 metres of lateral development and associated cable bolting and shotcreting including ground support.