Building information modelling

3D view of the La Folie elevated section on the SEA Tours-Bordeaux HSL near Poitiers
3D view of the La Folie elevated section on the SEA Tours-Bordeaux HSL near Poitiers - © VINCI and subsidiaries

Building information modelling (BIM), or 3D, software facilitates collaboration among project participants – architects, design offices, general contractors, and subcontractors – at all stages of design and construction.

Special systems for major projects 

For the SEA HSL, the COSEA construction joint venture rolled out IT infrastructure enabling all project participants to use the same databases and drawings in their work. The software includes a geographic information system and supports digital access to all 3D drawings. Computer-generated images notably facilitated the work of the ""consultation managers"" giving presentations to local authorities to describe the many structures that will reconnect utility networks and roads affected by the project.

Data sharing and project optimisation

In the BIM process, a database comprising the project specifications is set up at the outset and the project manager, design offices and companies add information to it as the project proceeds to ensure that all data is available to all participants through the main interface, the 3D image. This collaborative process fosters project optimisation and helps keep schedules and costs under control by supporting a shared understanding of the overall project from the design phase onwards and better interface management throughout the project.

Multiple applications 

Group companies are increasingly using BIM on their projects in France and abroad. Tools of this type were employed by VINCI Construction France on the Louis Vuitton Foundation for Creation project in the Paris Rive Gauche development zone (island T8) in Paris; by VINCI Construction UK in the renovation and extension of the Tottenham Court Road underground station in London; and by VINCI Construction Grands Projets on the new airport terminal in Dushanbe, Tajikistan.