The Pike River Coal Mining Company awarded McConnell Dowell the design and construct (D&C) contract for Pike River Coal Mine Project, which is located within the confines of the Paparoa National Park, 46 km east of Greymouth on New Zealand’s South Island.
The mine will produce 1 million tonnes of hard coking coal per annum for the next 20 years. McConnell Dowell's works included the construction of a 2.3 km mine access tunnel, associated passing bays and sumps for this landmark project.
The D profiled tunnel was excavated at various inclined grades to pass under located surface features. It measures 5.5 m wide by 4.5 m high. Ancillary works included construction of
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