| Yard | Underground works |
|---|---|
| Location | Switzerland |
| Subcategory | TUNNEL |
| Built in | 2017 |
| Opened in | 2020 |
| Application | Renovation works of 3 RhB's tunnels |
| Application Type | Underground constructions |
| Contractor company | Rhätische Bahn (RhB), Chur |
| Installer companies | ARGE Mistail; ARGE Walo/Costa (Giarsun); ARGE IMA (Magnacun) |
| Specialists involved | Fanger Kies + Beton AG, Sachseln (Mistail) |
| Credits | Riccardo Götz |
| MAPEI Coordination | Thomas Liniger, Urs Wirth, Marco Jungi |