Ground work, flushing boreholes, new road construction Duggeli - Stumpen (approx. 250m), works pipeline structures, excavation work Portal Stumpen, construction of installation site stumps, construction of connection shaft Städtlerwaldstollen
- Bodenabtrag: 14'250m³
- Excavation: 18'750m³
- Kiessand: 14'600m³
- Bituminous coverings: 2'900t
- Inlet shafts: 35pcs.
- Inspection shafts: 60pcs.
- Entwässerungsleitungen: 3'000m
- Rohrblöcke: 2'430m
- Spülbohrung: 200m
- Concrete: 150m3
- Armouring: 18t
- Benchmark of benefits: CHF 5.5 million
Ground work, flushing boreholes, new road construction Duggeli - Stumpen (approx. 250m), works pipeline structures, excavation work Portal Stumpen, construction of installation site stumps, construction of connection shaft Städtlerwaldstollen
- Bodenabtrag: 14'250m³
- Excavation: 18'750m³
- Kiessand: 14'600m³
- Bituminous coverings: 2'900t
- Inlet shafts: 35pcs.
- Inspection shafts: 60pcs.
- Entwässerungsleitungen: 3'000m
- Rohrblöcke: 2'430m
- Spülbohrung: 200m
- Concrete: 150m3
- Armouring: 18t
- Benchmark of benefits: CHF 5.5 million