 Herisau, Switzerland
                                
                                    Herisau, Switzerland
                                
                             
                            | Yard | Renovation of the Sturzenegg tunnel | 
|---|---|
| Location | Herisau, Switzerland | 
| Subcategory | TUNNEL | 
| Application | Renovation of the Sturzenegg tunnel built in 1910: supply of admixtures for shotcrete and of sealing products for joints | 
| Start and finish date | 2018/2019 | 
| Application Type | Products for underground construction (utt) | 
| Contractor company | Schweizerische Südostbahn AG, St. Gallen | 
| Installer companies | Fretus AG, Bad Zurzach; Holcim Kies und Beton AG, St. Gallen | 
| Project Manager | Fretus AG, Bad Zurzach | 
| MAPEI Coordination | Marco Jungi | 
 
                                 
                                 
                                 
                                 
                                