Cadia New South Wales
Newcrest Mining Limited
Orange, New South Wales
The project involves the provision of a range of services to the Cadia and Ridgeway operations. The development contract included: 5 x development Jumbos; 2 x loaders; 5 x trucks. The project employed 118 wages employees and 31 staff.
Scope of work: ■ Cablebolting ■ Decline development ■ Production drilling ■ Rehabilitation ■ Shotcreting
Ridgeway Halo: Ridgeway Halo included 3750 metres of level and decline development off the side of the Ridgeway Sub Level Cave. Macmahon was engaged to supply labour for production drilling and removal of ore. In addition Macmahon completed a decline bypass earlier in the works as well as various rehabilitation work in the mine. Cadia Hill Intake Portal: Developed 1:6 decline (face at +1500m). The contract was awarded for 1.7km of development on Fixed & Variable in November 2010. Cadia Hill Underground Access Portal: The development of the remaining ore at the bottom of the open pit as a variation to main contract Cadia East Copper Mine (CECu): Development out to the Crusher chamber for CECu and incline access to the Vent Intake. Macmahon was a member of the Orange Business Chamber and worked with other businesses in the community.