Conventional Raise Bore

In 1994 Mancala commenced raise boring in the Australian market as an adjunct to its shaft construction techniques of Horadiam and Bench and Line.

These methods of shaft construction each require a small diameter pilot shaft, upon which the larger shaft is constructed. At the turn of the 21st century, Mancala recognised a need in the Australian market for a professional, innovative and above all else safe raise boring contractor.  Subsequently, Mancala's raise boring business unit has grown to encompass eight rigs with capabilities to ream holes from 200mm to 5.5m in diameter and nominally 600m in length.

Site based operations are supported by a comprehensive management system which aims to provide the safest, most reliable and productive raise boing service in Australia and the Australasian region.

Our current raise bore fleet consists of: