Date : 2015 – Client : Agence Nationale des Autoroutes
Services provided
Design-build contract.
For the Japanese consortium, Cojaal, responsible for the East section (four twin-tube tunnels with a total length of 10 km).
- Design and creation of all electromechanical systems.
- Supervision system.
Technical details
- HV/LV power (6 substations).
- Tunnel ventilation (50 booster fans) and inter-tube.
- Signage.
- Video (100 cameras).
- Automatic incident detection.
- Fire detection.
- Firefighting network (9 km).
- Emergency call network.
- Supervision system for the four tunnels (8,000 I/Os).
Strengths
The largest road project in Africa.