Túnel Gastau | Túnel Gastau The dead-end tunnel, located close to the city of Caraguatatuba between São Paulo and Rio de Janeiro, will be used for pipelines by Client Petrobras to past through an environmentally sensitive area at the coastal mountain range. Recently the Tunnel has received the "ASME Global Pipeline Award" for the "Best Innovative Technology for the World´s Pipeline Industry". Together with its JV partner Babendererde Engineers delivered construction management services and had personnel on site. | | ||
| Key data of the project: | |||
| Total tunnel length: | 5.200 m | ||
| TBM tunnel length: | 4.900 m | ||
| Excavation diameter: | 6,18 m | ||
| TBM: | Wirth Hardrock Double Shield TBM with electric main drives | ||
| Lining: | Nonsealed single-pass lining with reinforced concrete segments | ||
| Rock type: | Granit, Gneiss | ||