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UDKO2_Soil Tunnel Drammen

Project description

Bane NOR is building a 10 km double-track line from Drammen to Kobbervikdalen and from Drammen to Gulskogen as part of the ongoing modernization of the Vestfold line. The Drammen-Kobbervikdalen project includes a 320 m long tunnel in loose ground. The project is complex and includes extensive earthworks and foundation work, multidisciplinary railroad engineering work and a number of challenging construction phases.
Lot UDK- 02 includes the construction of a double-track railroad tunnel with a length of 300 m and a cross-section of 155 m². The excavation is being carried out in geotechnically and hydrologically very challenging soft ground. Before the excavation work could begin, the ground had to be improved using a jet grouting process.

Place: Province of Buskerud, Norway

Client: Bane NOR

Commissioned by: ÖSTU Stettin Norwegian Branch NUF

Performance period: 2021 – 2023

GEODATA services:

Our local branch Geodata ITMS AS in Oslo was commissioned to carry out the construction and heading survey and the optical 3D displacement measurements as well as tunnel scanner recordings in collaboration with Geodata Projekt d.o.o. from Croatia. Despite the numerous technical challenges and additional logistical problems during the corona pandemic, the project was successfully completed.

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