Tag: Former projects

E4 at A6 in Jönköping. Microtunneling DN800.

A few years ago we at Johan Lundberg AB got the question from Sweco, who were designing a new main water pipe for the municipality of Jönköping, about how a 90 m crossing of the railway and a 190 m crossing of the E4 motorway could be solved. We joined forces with Sweco as sub-consultants...

Former projects

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New technology saved millions for Borlänge Energy

Floods have long been a problem in Borlänge. The stormwater network therefore needed expanding, but preconditions were problematic. With conventional trenching, 10,000 truckloads of soil material would have to cross the city center. Preliminary calculations gave indications of costs at 20-30 million...

Former projects

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Thinking outside the box sometimes truly pays off

When the energy company Fortum planned to install a high-voltage powerline under highway E4 in Stockholm, the idea was to use trenchless technology on six sections of the full distance. Johan Lundberg AB was asked to conduct a pre-study for the project. We could instantly see that drilling could...

Former projects

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