Ausenco awarded Sepon Copper Expansion Project in Laos

20 December, 2007


Ausenco is pleased to announce that it has been notified by Oxiana Limited that the joint venture with Bateman Engineering known as the KDG JV is the preferred contractor for the planned expansion of the US$178 million Sepon Copper Project in Laos. The expansion will increase plant production to 80,000t/a.
The KDG joint venture was the recipient of an engineering design award in 2006 having completed the engineering and design of the original US$240 million Sepon Copper operation. The main additions to the Sepon Copper project under the approved expansion will be a larger new primary crusher, an additional 8 CCD tank train, commensurate leaching capacity additions and 24 new electro-winning cells.
The Sepon Copper project in the Lao PDR commenced production in 2005, and in 2007 will produce 60,000t to 63,000t of copper metal cathodes. The operation is based on mining from the high grade Khanong deposit, with the nature of the ore allowing processing - via whole-of-ore leach, solvent-extraction and electrowinning - to final copper cathode metal on site. By the end of 2007 more than 150,000t of copper cathodes will have been produced since commissioning.


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Ausenco Limited, provides multi-disciplined engineering, procurement, project and construction management services to the mining, minerals and metal processing industry. The company participates in all phases of a project’s progression, from project scoping studies, process option/technical review assessments, feasibility studies utilised for project financing, through to project design, construction and commissioning. Ausenco’s group of companies also services companies through their operation and maintenance division, supplying key asset management and operational support. These services are applied to projects in a broad range of processing areas, both nationally and internationally.