Gotschna safety gallery, Klosters
Safety gallery with escape cross-over points every 300 m. Tunnel length 4,202 m, of which 4,022 m heading with tunnel boring machine. Portal construction in total 140 m using cut-and-cover method.
- Mechanical hard rock heading with 4.50 m diameter gripper machine.
- Atlas MK 15 with high-performance trailer.
- Conveyor belt waste disposal.
- Portal construction in total 140 m using cut-and-cover method.
- A pipe umbrella is first required at both portals.
- Total length 40 m.
Map
Specific figures
Contract valueCHF 24.2 million
Construction period2003 - 2005
Length4202 m
Total excavated surface16 m2
Contact for questions about the project | |
|---|---|
| Implenia Industrial Construction | |
| Telefon: +41 43 233 39 90 | |
| E-Mail: Sandra.Guetg@implenia.com | |
