The Kestrel Mine Extension Project was at the time the largest underground coal project since the construction of the Gordonstone Mine in 1990, providing access to the 400/500 series longwall coal panels in the German Creek Seam, with an expected mine life of 25 tears. Mastermyne’s involvement incorporated three separate parts.

• Drift development
• Pit bottom development
• Mains and gate road development for first longwall coal

CC03 contract work scope included:

• Excavation of portal entries
• Installation of steel sets
• Supply and installation of temporary development drift conveyors
• Supply and installation of temporary development drift conveyors
• Supply and installation of development ventilation fans for both drifts and pit bottom development
• Construction of a surface training facility including bolting platform and wheeling roads
• Construction and completion of a 1 in 8 transport drift 1877m long with concrete segment paving
• Construction and completion of a 1 in 6 conveyor drift 1577m long with concrete segment paving
• Construction and completion of 2.5km pit bottom Drivage, which included the linking of the drifts
• Intersection of the main ventilation shaft
• Installation of development belts, pit bottom belt and TG401
• Installation of pit bottom pumping station
• Several overpasses/underpasses

AA02 Contract work scope included:

• Temporary drift conveyor replacement
• ‘Life-of-mine’ drift conveyor installation
• Mains trunk belt installation
• LW401 conveyor installation
• Pit bottom pumps and mine dewatering
• Underground electrical infrastructure installation
• Real time monitoring installation