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Final contract awarded on Gothenburg West Link 14 Jun 2018

Patrick Reynolds for TunnelTalk

The last contract for the most geolocially complex Kvarnberget Lot on the 8km long West Link railway project in Gothenburg is awarded by the Swedish transport authority Trafikverket to a consortium of Astaldi/Gulermak/NRC, adding to the Italian/Turkish/Nordic JV’s existing and adjacent Haga Lot contract on the major rail project.

All four West Link construction lots now awarded
All four West Link construction lots now awarded
Official ground breaking gets Gothenburg West Link build underway
Official ground breaking gets Gothenburg West Link build underway

The Kvarnberget Lot contract is awarded for a tender price of SEK 820 million to build a 560m section of the main rail tunnels plus a 120m long service tunnel and associated shafts.

Award of the last contract comes after a re-bid process to allow more open competition, to undertake the geologically complex, yet relatively short, Kvarnberget Lot, close to the Gota River near the middle of the new urban tunnel route (Fig 1). Trafikverket ran the fresh competition without prequalification for the lot, after the initial procurement effort with four shortlisted JVs produced a single, over budget bid. The new contract was awarded at the beginning of June and construction is to get underway in Spring 2019.

Most West Link package contracts were awarded in 2017 ahead of final project clearance from the Swedish Land and Environment Court to start work on site in earnest. Official groundbreaking for the rail tunnel project took place at the end of May.

Trafikverket Project Manager, Bo Larsson, said: “It feels good that we have now assigned the fourth and last construction contract for the project and we now look forward to getting started with construction.”

Award of the Kvarnberget Lot to Astaldi/Gulermak/NRC adds to its adjacent, much larger, Haga Lot on the project, which was bid at SEK 3.5 billion. NRC, the Nordic Rail Construction group, including Swedish contractor Segermo is the group company in JV with Astaldi and Gulermak on the Haga Lot. The Haga Lot is immediately south of the Kvarnberget Lot (Fig 1) and is being constructed over a four year period from 2018 to 2022 to excavate a 1.5km long running tunnel, a 1.3km long parallel service tunnel and an underground station and associated shafts.

The other main contractor working on the West Link is NCC of Sweden, which is building the Centralen Central Station Lot in JV with COWI and Thyrens, and the Korsvagen Lot in JV with Wayss & Freytag of Germany. NCC is also to strengthen the existing Gota road tunnel that the West Link alignment crosses.

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