Ausenco provided Engineering, Procurement and Construction Management (EPCM) services to design, construct, and commission the 25 mt/y concentrator and associated infrastructure for this high-altitude project.
Constancia is a conventional surface-mining operation based on two deposits - Pampacancha and Constancia - with the processing facility located around 1km west of the Constancia pit. The project incorporates primary crushing, twin SAG/Ball mill grinding circuit, regrind, flotation, concentrate filtration and tailings pumping capacity, as well as stand-alone molybdenum separation plant and various ancillary systems. The Pampacancha deposit is 5km southeast of the Constancia deposit and exhibits higher grades of copper and gold.
During the first years of production, Constancia plant throughput averaged 80,000 metric tons per day (mt/d), and production of copper in concentrate averaged 82,000 mt/y. Mine life is planned at 22 years (view Hudbay video).
Ausenco previously delivered to Hudbay:
Ausenco undertook project management and engineering which was distributed across Australia, Canada and Peru. Project management commenced in Brisbane and progressively transferred to Lima as the project developed.
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