Tunnels et ouvrages souterrains
- Project Owner : Genève Aéroport (Suisse)
- Mission : Maîtrise d’œuvre complète
- Cost of the works : 35’000,– kCHF
- Cost of the mission : 4’000,– kCHF
- Mission date : 2013-2015
BRIEF DESCRIPTION AND CHARACTERISTICS OF THE PROJECT
The project involves burying the existing customs road and forms part of the Aile_EST project (construction of a new “Large Cargo” terminal) at Geneva International Airport. This structure will also form the foundation for the future Aile_EST terminal. The work involved creating :
- A 250-metre-long technical gallery,
- Two 250-metre-long taxiways,
- An area of technical premises (around 1,500m2) dedicated to the future terminal,
- A 2,500m2 storage platform above the traffic lanes,
The main constraints of the project were as follows
- Maintaining airport operations at all times despite the cramped nature of the site,
- Maintaining traffic flow on the existing customs road while work is being carried out,
- Maintaining the existing networks in the underground technical galleries.
- Mole excavation in the geothermal probe embankment.
Technical specifications :
- Moulded walls 60 cm and 80 cm thick (8,000m²),
- 60 cm and 80 cm diameter bored piles (2,000 ml), static pile tests,
- Concrete (12,500 m3), reinforcement (1,500 tonnes),
- Temporary support structures using nailed walls (1,400m²), Berliner walls (1,600m²),
- Top-down construction (45,000 m3 of earthworks),
- Concrete tarmac (6,500 m²), bituminous surfacing (6,200 m²),
- Installation of sewage and drainage networks (2,500 m),
- Demolition work.
MISSION
As a civil and geotechnical engineer within an international multidisciplinary consortium, GEOS carried out a complete project management mission including the following services:
- Preliminary design,
- Final design,
- Application for planning permission,
- Invitation to tender,
- Execution project,
- Construction management,
- Commissioning and completion.
