– It is to produce high-voltage plastic-insulated submarine cable with high quality in an efficient way, says Helge Hovland. He is head of investments and maintenance at the Nexans factory in Halden. Helge Hovland in Nexans shows the view from the top Mainland Norway’s tallest building. In the background is the country’s second highest. Photo: Per Øyvind Fange / news Although it is an important milestone for the company that the tower has now been built, there is no violent celebration. It is true that there were some pieces of cake on the construction workers, but the project is by no means finished. The tower will now be furnished and prepared for cable production. A new factory will also be built outside. Everything is not finished until in almost a year and a half. The new Nexans tower towers high above the ground. Photo: Per Øyvind Fange / news Norway’s two tallest When Oslo Plaza was completed in 1989, it was the country’s tallest building with its 109.7 meters. It was then just under a meter higher than the fertilizer factory on Herøya in Porsgrunn. Already in 1992, the cable company Nexans built a 100 meter high tower at the entrance to Halden, and in 2010 it was expanded to shoot 120 meters up from ground level. Mainland Norway’s second tallest building is “only” 120 meters high. Photo: Per Øyvind Fange / news The company has now broken its own Norwegian record with another sky-high building. From the top of the new tower, Hovland looks down on the roof of what has until now been the country’s tallest building. Several platform structures in the North Sea are higher, as they both protrude deep below the sea surface and tower over the water crust. At the cable factory in Halden, they still call the new building Norway’s first real skyscraper, since it is over 150 meters. 17,000 tonnes of concrete Although the planning has been going on for several years, the construction process itself has been very fast. The contractor uses a technique that makes it possible to extend the height by 2.5 meters a day. The technique is called “slip casting”. The formwork is moved several times an hour using hydraulics. The contractor has had people at work around the clock in recent months. Photo: Per Øyvind Fange / news Thus, they can refill new cement continuously. 900 tonnes of reinforcing steel have been braided in, and 17,500 tonnes of concrete have been used. It has only been 69 days since the building began to “grow”. – We have not thought so much about having a very tall building, says Hovland. The price of the project will be over NOK 2 billion, and it will provide around 100 new jobs.
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This is how they have created Norway’s tallest building in 69 days – news Oslo and Viken – Local news, TV and radio
