Läppstiftet (‘The Lipstick’) in Gothenburg was designed by Ralph Erskine and is one of Sweden’s most recognizable buildings from the 1980s. Officially named Lilla Bommen, the building received its nickname due to its characteristic appearance; high, white in the middle and red on top with beveled top stories, reminiscent of the shape of a lipstick.
Extending from the more famous high-rising part of the building is a wing that has been completely renovated and named Älvporten. Over 10,000 m2 of office space were turned into flexible and energy-efficient offices in a partnership project where all participants were involved in decisions and worked in cooperation. The engineering company Andersson & Hultmark AB designed the ventilation and piping system for Älvporten using MagiCAD for Revit.
“It’s a very special building, with a lot of angles and large glass-roofed spaces. You have to put some extra time into each decision, for example, you cannot simply fit all HVAC elements into the ceiling and keep the installation invisible. It’s been a fun challenge to create good-looking solutions without altering the feeling of the building”, says Niklas Heidenborn, HVAC engineer at Andersson & Hultmark AB.
There was also a continuous awareness of environmental considerations during the project.
“The ventilation system adapts to the needs of each room. It’s a smart system that keeps losses down as much as possible. An office should not be running at full capacity when it is empty. Now, the system is active during the daytime when everyone is on site,” says Niklas.
The project was among the nominees in 2018 for the Swedish building industry award Årets Bygge (‘Building of the Year’).
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