Switzerland – Engineering services

The section runs between km 19.450 and km 29.500 and includes the Vaumarcus overpass, the Sauges Tunnel, the Gorgier Tunnel, the Treytel and Bevaix partial overpasses, and the Chanélaz overpass. The objectives of the contract are: • To conduct studies for the civil engineering works required under the APR BSA (General Project for Road Construction and Maintenance) for the maintenance and rehabilitation of the BSA (Road Construction and Maintenance) facilities of the Onnens overpass, the Concise Tunnel, and the La Lance Tunnel on the A5 motorway between the Grandson and Vaumarcus interchanges. This also includes participation in the implementation of smaller projects, considered individual measures (type MI), in collaboration with UT IX (Technical Authority IX) for the motorway section between the Vaumarcus and Bevaix interchanges. • To conduct studies and, depending on the results, construct seven anti-recirculation walls. These operations will take place between km 19.800 and km 31.000. The following anti-recirculation walls will be studied and implemented depending on the results: - Anti-recirculation wall of the west portal of the Sauges Tunnel - Anti-recirculation wall of the east portal of the Sauges Tunnel - Anti-recirculation wall of the west portal of the Gorgier Tunnel - Anti-recirculation wall of the west portal of the Chanélaz overpass - Anti-recirculation wall of the east portal of the Chanélaz overpass - Anti-recirculation wall of the west portal of the Areuse overpass - Anti-recirculation wall of the east portal of the Areuse overpass. The services of this contract (AP, MK, DP/MP, PP31, 32, 41, 51, 52, 53) correspond to the services of the project designer (PV), which include the following: · the preparation of a variant analysis based on the documents of state 0. · the civil engineering aspects of new infrastructure in connection with the BSA; • The civil engineering aspects of the new foundations and supports required for the signage renewal; •...