Tyréns is planning the Centralen section of the West Link

2018-04-30 15:45

Building a commuter train station underground is technically complex

On behalf of the Swedish Transport Administration, NCC, with Tyréns as sub-consultant, will build the Centralen section of the West Link's double-track railway under central Gothenburg. The assignment includes a new bridge of the E6 in the east, a new underground station and around 1.8 kilometre rail tunnel. The contract totals approximately SEK 4.7 billion.

On behalf of the Swedish Transport Administration, NCC, with Tyréns as sub-consultant, will build the Centralen section of the West Link's double-track railway under central Gothenburg. The assignment includes a new bridge of the E6 in the east, a new underground station and around 1.8 kilometre rail tunnel. The contract totals approximately SEK 4.7 billion.

Since 2016, Tyréns, together with NCC and several other actors, has been responsible for planning the civil engineering that will now form the basis for the detailed planning, design and construction of the Centralen section.

"We have already worked on the first phase of the project for one and a half years, so we feel well equipped to take on the assignment. Thanks to our interdisciplinary cooperation with other actors, we have the opportunity to take in competencies from a wide spectrum of services," Jessica Ekberg, Contract Manager at Tyréns, says.

The order that has now been signed means that Tyréns will be responsible for the detailed planning is the technology areas rock, hydrogeology, ground/roads and traffic. Tyréns will also supply support with resources for geotechnology and environment/cultural environment.

"Taking care of this exciting challenge will demand innovative methods from us. Centralen, the central commuter station, is a technically complex area, where we need to handle deep, wide excavations in clay. At the same time, we need to consider the heavy traffic and the effect on the surroundings," Jessica Ekberg says.

The Centralen Station will be built with four tracks and three entrances, north of Gothenburg's central station, adjoining the current Nils Ericson Terminal. Presently, preparatory works are underway to build temporary roads and divert mains. It is estimated that the construction of the tunnel sections will start at the beginning of autumn, 2018.

"A great deal is happening in the area at the moment, which means that this work will also create many opportunities for Gothenburg's urban development. With the right coordination of all of the stakeholders, this is going to be just fine," Jessica Ekberg says.

Illustrations: Kanozi/Tomorrow AB 

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