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Category: Kalliorakentaminen ja kaivokset

Multilevel urban planning

Multilevel urban planning

Helsinki has been a pioneer of underground zoning, and its underground local master plan from 2011 was the first of its kind globally. However, in recent years, Helsinki has started very few underground projects — some operated by the private sector, some by the city.

At its April meeting, the City of Helsinki’s Urban Environment committee discussed the draft plan...

Site Manager Jari Paajanen went from Finnish tunnels to Swedish ones

Site Manager Jari Paajanen went from Finnish tunnels to Swedish ones

YIT Site Manager Jari Paajanen (32) had a hunger for adventure, mulled over the decision for quite a while and, finally, left for Stockholm to build the Henriksdal wastewater treatment plant expansion under the E2 tunnel project.

“I wanted to see places outside Finland...

Recycling and decontamination of soil are on the increase, but the work too often encounters zoning problems

Recycling and decontamination of soil are on the increase, but the work too often encounters zoning problems

Proper management of soil and construction aggregate masses brings economic and environmental benefits. However, there are too few suitable sites for the temporary storage of soil and aggregates.

For every construction project we need soil and aggregate, but very rarely can it be obtained on...

The proud builders of our peaks – slip forming is an efficient construction method and a tradition at risk of disappearing

The proud builders of our peaks – slip forming is an efficient construction method and a tradition at risk of disappearing

The traditional slip forming technique has kept its place as the best construction method in many high-rise projects for more than a hundred years now. As the people skilled in this technique near retirement, the risk is that there will be no-one to follow them.

Finland probably doesn’t have that many groups of professionals whose members can be counted...

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