- Longest tunnel in the world 2 x 57 km (Combined tunnels 153 km)
- 2000 m coverage, up to 50° C rock temperature
- High water pressures and abrasive conveyed material
Equipment by A.S.T. Bochum :
- Supply of all building lots with material
- Development of special solutions for pipelines, Hose systems, formwork equipment, cooling and ventilation.