The client is involved throughout the life cycle of the built work, from design to operation. This is made possible by the use of Building Information Modeling (BIM Design) tools.

Multi-dimensional building models make it possible to simulate, through specific virtual reality software, all stages of construction, for example, of a workspace or infrastructure, up to and including use and maintenance. Unlike a simple CAD, which returns a three-dimensional model of a building’s geometry, a BIM Design information model includes much more information, such as geographic location, geometry, properties of materials, components, systems, networks, and technical elements, construction phases, maintenance operations, end-of-life disposal, and energy management of a building.

The European Union is also promoting the use of the BIM system in the design and implementation of public works.
In fact, the BIM system is recognized by Brussels as a tool to improve the transparency and effectiveness of procurement procedures.