- Client: Bergen Light Rail
- Main contractor: Veidekke ASA
- Contractor: Metrostav Norge AS
- Construction period: 11/2021 – 04/2022
- Price: 32 400 000 NOK w/o VAT
D18 Kronstad and Intrekks
The project contains 77,5 m of dead end Intrekks tunnel and the extension of the old 370 m Kronstad railway tunnel into a pedestrian and cycling tunnel in the inner city of Bergen.
Basic information
Project characteristics:
The project contains 77,5 m of dead end Intrekks tunnel and the extension of the old 370 m Kronstad railway tunnel into a pedestrian and cycling tunnel in the inner city of Bergen.
Prosjekt i data
2 pcs (370 m + 77,5 m)
Tunnel:
Utvidelse 27 m2 + 96 m2
Tunnel profile:
16 700 m3
Excavated volume:
70 000 kg
Cement grouting:
4 000 pcs
Rock bolts:
Chalenges / Specifics of the project
- strict noise and vibrations limits
- major restriction of blasting works
- limited working area
- site arrangement moving during excavation period
- excavations in dense urban area under the main hospital
- low overburden up to 30 m
- use of electronic detonators
