DRIEAIF  (Île-de-France Regional Department for Equipment and Planning - France)
Carrying out, within the framework of an All-Trades contract with Eiffage TP, the complete refurbishing, while in operation, of the operating and safety equipment in the Champigny Tunnel (France). Built in 1976, this tunnel, which is one of the longest in the Île-de-France region (1,029 metres), is comprised of two tubes each with three lanes.
Our transport infrastructure specialists carried out the work of upgrading the safety and operating equipment to standards: the power & lighting, communications, advanced traffic control system, the CTM, ventilation and the metalwork.

APRR (France)
Maurice Lemaire Tunnel (7 Km).
Building all the electricity distribution and lighting equipment in the longest French tunnel.
The equipment built is the following: HV substations, LV distribution, power supply for all the tunnel equipment, ventilation, lighting, and equipment in the evacuation and ventilation tunnel.

APRR (France)
Carrying out the migration, while in operation, of the traffic supervision and the centralised technical management of the tunnels on the A40 motorway (100,000 points – 250 PLCs)

DRIEAIF  (Île-de-France Regional Department for Equipment and Planning - France)
Building the automatic incident detection systems for the 22 tunnels in the d'Ile de France region. Within the framework of this project we designed and installed the following:

• 1,500 video surveillance cameras linked to intelligent image analysis systems
• the electricity supply infrastructure and the high-speed communication networks