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2014WinShotcreteEMag

Project since June 2010 to the end of November 2013. This includes the following major excavations: • Main decline: Total linear distance of 5.6 miles (9.1 km) from surface at a gradient of 1 in 7; • Conveyor decline: Comprising five legs of conveyor drive with a total length of 4.7 miles (7.6 km); mined at a gradient of 1 in 5.3 from surface; • Crusher chambers: Three major underground excavations with approximate dimensions of 130 ft (40 m) in length by 85 ft (26 m) in height by 40 ft (12 m) in width, each; • Undercut level: Over 1.9 miles (3 km) of tunnels; Fig. 3: Cadia East long section Fig. 4: Shotcreted transfer chamber Shotcrete • Winter 2014 17


2014WinShotcreteEMag
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