| Yard | Underground works | 
|---|---|
| Location | Switzerland | 
| Subcategory | TUNNEL | 
| Built in | 2017 | 
| Opened in | 2020 | 
| Application | Renovation works of 3 RhB's tunnels | 
| Application Type | Products for underground construction (utt) | 
| Contractor company | Rhätische Bahn (RhB), Chur | 
| Installer companies | ARGE Mistail; ARGE Walo/Costa (Giarsun); ARGE IMA (Magnacun) | 
| Credits | Riccardo Götz | 
| MAPEI Coordination | Thomas Liniger, Urs Wirth, Marco Jungi |