Client
Bundesamt für Strassen ASTRA, Wintenthur, Switzerland
General contractor
ARGE Tunnel Gubrist, Moosseedorf, Switzerland
Construction period
February 2018 – March 2021
Description of the objects:
Project 3rd Tube of the tunnel Gubrist is a part of the building of the north bypass of Zürich and consists of the following object:
Driven tunnel in the length of 3 km
- Cross section – ca 180 m2
- Diameter of the excavation – 15,44 m / 14,45 m
- Total volume of the excavation – ca 500 000 m3
- New escape corridors – 12 pcs
- Underground central service Sunnerain
- Engineering network collector under the pavement
- Suspended ceiling
External tunnel portal´s objects Affoltern in the length 77 m
External tunnel portal´s objects Weiningen in the length 223 m
Technology of construction: drill and blast driving works, supporting of the excavation
Executed works: driving and supporting