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Shaft Construction In the 90 plus years we have been in business, we have sunk several hundred miles of shafts conventionally. Finished diameters have varied from a ...

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Although we are able to undertake any type of underground development work, we uniquely specialise in the sinking and equipping of ultradeep and wide vertical shafts ...

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These vertical motion control and machine safety applications are often the only way to move staff and equipment up and down shafts. ... kilometers underground, ...

Shaft #2 will provide service access to the underground mine for crews, equipment, installed materials and. ... Equipment Part 4: Conveyances for Vertical Shafts."

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Shaft mining is a form of underground mining where shafts are pushed vertically ... most modern shafts are vertical .To excavate the ore from the depths and with ...

Excavation Methods. Vertical Shafts. There are 4 methods in general use: Conventional drill, blast remove stone ("muck out") to surface with a winder.