Tunnels and underground constructions
- Client: ADELAC (the concessionary for the A41 North)
- Assignment: Assistance to Project Management
- Total cost of work (total project): €187k excluding tax
- Completion date: 2006-2008
PROJECT DESCRIPTION AND CHARACTERISTICS
The study carried out by GEOS Ingénieurs Conseils constitutes a part of the construction of the highway A41 North, section Geneva (Switzerland) – Annecy (Haute-Savoie – France).
The characteristics of the project are as follows:
- Two-tube tunnel, 3,000 m long,
- Tunnel dug with cut-and cover tunneling technique Ø = 11.80 m in molasses.
ASSIGNMENT
GEOS acted as an Assistant to the Project Manager, which included:
- external control of design studies (EPOA, APOA);
- preparation of approval decisions;
- auditing of execution and work studies;
- an expertise mission to the Technical Department.
