Construction lot R6, Zurich Airport
- Tunnel heading with earth pressure shield, Lovat TBM
- Steel concrete pipe diameters 2160/2680 mm, length 4.5 m
- Ground conditioning
The tunnel heading is through ground water in two different geological layers:
- Lake sediment (comprising sand and silt)
- Near-glacial lake sediment (clayey/silt gravel with sand)
Map
Specific figures
Contract valueCHF 4.5 million
Construction period2000 - 2001
Length480 m
Total excavated surface5.81 m2
