360 squaremeter ceiling construction on two levels.The upper level allows daylight to intrude through a glass roof. This is controlled by a full area louver system. The especially developed aluminium profile system houses 3-circuit tracks for the additional spotlights. A smoke detecting pipe system is also incorporated into the profiles. For maintenance it is possible to walk inside the ceiling. The light management consists of two separately dimmable circuits with neutral white and daylight fluorescent tubes. 7 daylight sensors on the roof control the artificial light in the building: