Location:Secunda, South Africa
Duration:4 Months, Ongoing
Scope of Work:
Impumelelo is one of the largest diameter holes reamed in Africa.
The Impumelelo Colliery Raiseboring program consists of the directional drilling, reaming, and remote shaft lining of two 186 m x 7.3 m diameter ventilation shafts. The Redbore 90EX is used for this project.
ONE OF THE LARGEST DIAMETER HOLES IN AFRICA
AT 7.3 m DIAMETER