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Brief Published: 19 Oct 2012

The World’s Tallest Prefab


Chinese construction company Broad Sustainable Building has just revealed its plans to construct the world’s tallest skyscraper – using only prefabricated parts.

Dubbed Sky City, the structure will be located in Changsha, south-east China. It will have 220 storeys (higher than the Burj Khalifa in Dubai) and the group estimates the tower will be erected in a just seven months.

According to the architect, Broad Sustainable Building CEO Zhang Yue, the prefabricated pieces – which have been designed to slot together in a manner that’s similar to the Meccano toy – use less concrete and steel than is usually required. This also makes it easier for parts of the structure to be produced off site.

Yue, who is a committed environmentalist, suggests that the pre-fab tower could set a precedent for a new wave of sustainability-focused Chinese building construction.

The building will accommodate residential apartments for over 30,000 people, and spaces for schools and a hospital. Some 17 helipads have also been incorporated into the design.

Construction is scheduled to start in November 2012, to be completed by late spring 2013.

For more information on prefabricated architecture, see the Stylus report Prime Time for Prefabs.

Broad Sustainable Building