Sinking No. 4 Shaft at Hartebeestfontein Gold Mining Company, Ltd
A brief description is given of the requirements which No. 4 Shaft has been designed to meet and of the methods by which two-stage winding of rock has been accommodated in a single shaft sunk to a depth of 7,421 ft. This is followed by a consideration of the factors which led to the decision to sink the shaft as rapidly as possible.
Air, calcium chloride, compressed air, concrete, dolomite, shaft, Capacity, Concrete, Operation, Pipe, Rope, Ropes, Shafts, Water, Waters