CIO MAISON OLYMPIQUE

Project

Construction of new IOC Headquarters

Work description

Monumental staircases: 

Construction of the supporting structure of ring-shaped staircases serving a total of 6 levels. Execution in welded composite boxes of constant width (1.50 m) with variable height (from 350 to 750 mm). External radius 12.80 m (ground floor) and 10.80 m (other floors). Floor height 3.90 to 4.95 m. Weight of the structure 17.5 tons per floor. 

Mixed radiant floor: 

At each level, creation of a composite floor of 350 m2, without internal pillars, bounded by an external ring of Ø 27.10 m and a central ring of Ø 17.10 m. 

The latter receives the landings of the circular stairs, ~60 tons of steel per level. 

Pillars in the façade: 

At all above ground levels, 800 columns, parallel to the building’s façade, all different from each other. 

Total weight of the structure: ~540 tons 

Awards: 

SNBS 2.0 High Building Platinum 

Minergie-P 

LEED v4 “Platinum”

2021 Nomination : BIM

Completion

2017 – 2018

Client

CIO Comité International Olympique

Client’s Representative

Irbis Consulting

Architects

Consortium 3XN (Denmark) & Itten+Brechbühl AG

Engineer

Ingeni SA