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Austar Stage 3 Ventilation Shaft

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Title	Austar Stage 3 Ventilation Shaft
Division	Mining
Client	Austar Coal Mine Pty Ltd
Client Contact	Adrian Moodie Ph: 02 4993 7238

Current Status	0%
Project Start Date	November 2009
Construction Period	December 2010
Project Description	Abergeldie Mining has recently been awarded the contract to design and construct a 465m deep ventilation and people riding shaft for Austar Coal Mine. The shaft will be used to provide ventilation and access to Austar's Stage 3 underground workings. A composite steel and concrete lining will have a finished internal diameter of 4.5m. The liner will be fully water tight and maintenance free.
Complex Challenges	Construction requires a high level of accuracy as the challenge will be to maintain true verticality throughout the entire depth. The shaft will be constructed to within 250mm of it's centreline to eliminate complications when transporting workers and materials through the shaft. This represents an allowable tolerance of 0.05% for the entire shaft length. A directional pilot hole will be drilled for the drill head to follow.
Contract Type	Lump sum / Fixed
Value	$18 000 000
Consultants / Designers	Abergeldie Mining Pty Ltd


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