The procurement is for a horizontally raised-drilled tunnel with a vertically raised-drilled riser shaft and a cast-in-place connection to the underground riser shaft, which connects to the cast-in-place construction carried out in another contract.
Execution contract for tunnel boring, approximately 100 meters of horizontal tunnel, approximately 35 meters of riser shaft with a diameter of approximately 3.5 meters.
The work will be carried out in a protected object and will require a protective security agreement.
Timetable - Work completed Q3-2024.
In-situ cast-in-place structures and support structures according to FU.