Accueil » Our projects

Arc de Dierrey (lot 1) – Crossing SNCF tracks (60)Tunnels and underground structures
Arc de Dierrey (lot 1) – Crossing SNCF tracks (60)
Cities of Cuvilly & Betz (60)

Covered trench – Customs roadTunnels and underground structures
Covered trench – Customs road
Geneva Airport (Switzerland)

Covered trench – Tranchée CouverteTunnels and underground structures
Covered trench – Tranchée Couverte
Meyrin Village (Switzerland)

Underground car parkTunnels and underground structures
Underground car park
World Trade Organization (WTO) - Switzerland

Semi-buried car parkTunnels and underground structures
Semi-buried car park
Commune de Russin (Switzerland)

Microtunnel Le Corbusier / Ø1500 EC pipelineTunnels and underground structures
Microtunnel Le Corbusier / Ø1500 EC pipeline
(Suisse)


Line 15 of the “Grand Paris Express” metro system – Villejuif Louis Aragon – Pont de Sèvres sectionTunnels and underground structures
Line 15 of the “Grand Paris Express” metro system – Villejuif Louis Aragon – Pont de Sèvres section

Mont Sion tunnel – A41 North motorway – Geneva – Annecy section (74)Tunnels and underground structures
Mont Sion tunnel – A41 North motorway – Geneva – Annecy section (74)


Creation of a new high-speed line – LGV BPLGeotechnical engineering
Creation of a new high-speed line – LGV BPL
Bretagne – Pays de la Loire


Wastewater disposal tunnel from St Genis Pouilly to ChoullyGeotechnical engineeringTunnels and underground structures
Wastewater disposal tunnel from St Genis Pouilly to Choully
Choully (01)

Second bridge over the Wouri – Access to the bridgeGeotechnical engineering
Second bridge over the Wouri – Access to the bridge
Douala (Cameroun)


Kérino under-river crossingGeotechnical engineeringTunnels and underground structures
Kérino under-river crossing
Vannes (56)

Ruisseau le Gobé – Micro-tunneling work under the highwayGeotechnical engineering
Ruisseau le Gobé – Micro-tunneling work under the highway
Pregny - Chambésy (Switzerland)
