199 Project information Short project description Nemetschek Engineering User Contest 2011 - Category 5: Special Projects 5 Winner - Special Projects The Confluences Museum is located on an exceptional site at the junction of 2 rivers. From this particular scenery, architects have imagined two complexly connected architectural units. The first one, the crystal, is a steel and glass entrance structure. This rising crystal connects to the second unit, the cloud. The cloud is also a steel structure, which leans only on three major concrete supports, named “piles” and 12 concrete columns. Moreover, in contrast with the crystal, the cloud is covered by a stainless metal cladding. These two units are positioned on a structurally independent, two-storeyed building in reinforced concrete. Owner Département du Rhône Architect Coop Himmelblau General Contractor Vinci Engineering Office Tractebel Engineering France Construction Period From July 2010 to July 2013 Location Lyon, France The Confluences Museum Lyon, France Quote of the Jury “This very original structure with an extreme complicated shape is technically very challenging as no element has the same geometry: a concrete foundation with huge columns support the steel cloud and the crystal structure. Different materials, with dynamic calculations and difficult foundation conditions, make this project very demanding. A perfect presentation gave the finishing touch.”
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