Master Drilling Group rock boring services No blasting, mechanical excavation in a block cave mining скачать в хорошем качестве

Master Drilling Group rock boring services No blasting, mechanical excavation in a block cave mining

It is the vision of Master Drilling to provide a turnkey solution of a complete mechanical excavation of a mine. This is from creating a vertical shaft or a decline to access the ore body, developing the haulages with a Mobile Tunnel borer, as well as other horizontal raise boring to provide access and ventilation. Box Hole Boring is provided by Master Drilling for transfer pass or to assist with free breaking faces in Sub Level Caving methodology. Master Drilling have over 30 years’ experience in this field, and our raise boring fleet is the largest in the world. With over 140 rigs that operate quickly and efficiently in hard rock, we are able to drill up to a depth of 2 km and up to 11 diameters. Drilling solutions include raise boring, shaft boring, horizontal development drilling, slot and box hole drilling.