The World’s largest undeveloped copper-gold project

A joint venture between Rio Tinto, Ivanhoe Mines and the Mongolian Government. Spaceframe were engaged by Ivanhoe as designers for the pre-engineered building, supplier of the cladding systems, QC managers of the steel fabrication in China and QC surveillance services on site during construction.

The tallest column is 45 meters in height and weighs in excess of 30 tonnes with the entire structure having a total weight of 7,500 tonnes. With a roof area of 38,000m2 this building is the largest by floor area and volume in Mongolia and the largest copper concentrator building in the world.


Client: Ivanhoe - RioTinto - Oyu Tolgoi
Location: Mongolia
Roof Area 38,000m2
Exported Tonnes 7500T
Scope: Export – Pre-Engineered Structures