The tendered construction work includes the following objects:

- Excavation, securing and cladding of access tunnels:

Length approx. 670 m, excavation cross-section approx. 24 m2

- Excavation, securing and cladding as well as interior fittings of the power plant headquarters:

Ausbruchkubatur ca. 3'000 m3

- Excavation, securing and cladding pressure tunnels Ärlen – Handeckfluh:

Length approx. 990 m, excavation cross-section approx. 14 m2

- Excavation, securing and cladding underwater tunnels:

Length approx. 110 m, excavation cross-section approx. 8 m2

- Rear concreting of steel armor

The tendered construction work includes the following objects:

- Excavation, securing and cladding of access tunnels:

Length approx. 670 m, excavation cross-section approx. 24 m2

- Excavation, securing and cladding as well as interior fittings of the power plant headquarters:

Ausbruchkubatur ca. 3'000 m3

- Excavation, securing and cladding pressure tunnels Ärlen – Handeckfluh:

Length approx. 990 m, excavation cross-section approx. 14 m2

- Excavation, securing and cladding underwater tunnels:

Length approx. 110 m, excavation cross-section approx. 8 m2

- Rear concreting of steel armor