Conference Proceedings
13th Australian Tunnelling Conference
Conference Proceedings
13th Australian Tunnelling Conference
Excavating a Tunnel in the Foothills of the Southern Alps of New Zealand
Pike River Coal Limited (PRCL) is opening a new underground coal mine in the Paparoa Ranges north-east of Greymouth. To access the coal reserves, PRCL have had to build a 13 km access road through regrowth and virgin forest, and appointed McConnell Dowell Constructors Limited, with URS New Zealand Limited as their consulting engineers, to construct the final access link: a 2.3 km long, 5.5 m wide and 4.5 m high incline tunnel._x000D_
This paper discusses the logistical issues of construction in an isolated pristine forest in mountain land and how they were addressed. It provides an overview of the 90 per cent complete tunnel and how challenging rock conditions have been mastered. It outlines briefly the remaining work which is construction of pit bottom workings where the mine infrastructure will be housed and construction of a 110 m deep, 4.0 m diameter, vertical ventilation shaft.
This paper discusses the logistical issues of construction in an isolated pristine forest in mountain land and how they were addressed. It provides an overview of the 90 per cent complete tunnel and how challenging rock conditions have been mastered. It outlines briefly the remaining work which is construction of pit bottom workings where the mine infrastructure will be housed and construction of a 110 m deep, 4.0 m diameter, vertical ventilation shaft.
Contributor(s):
J Edwards, E Giles
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- Published: 2008
- PDF Size: 0.915 Mb.
- Unique ID: P200803045