Clough, as part of GCR Mongolia Joint Venture, completed a contract for the construction of the backbone services on the mine site to support all shafts for the Oyu Tolgoi Copper and Gold Proess Plant Project.

The project involved bulk and detailed earthworks, civil and concrete works for major concrete structures, buried services works including, 35kV, 10.5kV electrical cabling and multiple pipeline scope works consisting of HDPE and carbon steel, the decommissioning of 35kV overhead powerlines including the removal of 8 tower structures.

The project also involved the construction and commissioning of the blind sink and concrete line of Shaft No 3. and 4., and the construction of the underground Material Handling Systems for Stage 1.