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Skanska wins $322m contract to blast under Oslo

Swedish construction giant Skanska has won a contract to blast around 5km of tunnels under Oslo, Norway as part of the municipality’s bid to ensure safe water supplies for the city.

The contract, worth some $322m (NOK 2.88 billion), was signed with Oslo’s Agency for Water and Wastewater Services for preparatory work in the project, called New Water Supply Oslo.

Skanska will blast rock chambers and three large tunnels with a total length of 5km.

A total of 1.2 million cubic meters of solid rock masses will be taken out and when production is at its peak, Skanska will have seven tunnel rigs active, the company said.

The project is in an area in central Oslo that has a geology that will require special preparations, for example systematic pre-injection.

The contract is the first sub-contract in a major development project, whose main goal is to ensure that Oslo’s water supply will provide enough drinking water even in the event of failure in vital parts of the water supply system.

Construction will start in September 2020 and will be completed in May 2024.

The contract win will be included in the Nordic order bookings the third quarter 2020.

Image: The "Angry Boy" statue at Frogner Park, Oslo (Janko Ferlič/Unsplash)

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Comments

  1. There must be another way surely

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