Institute of Flight Guidance, DLR Braunschweig

The Institute for Flight Guidance’s building #117 had to be renovated due to fire safety and energy conservation.
The design of the new façade derives from the old design. Vertical colored elements that act as a guidance for the external sun shading elements give the building a new appearance.
Additionally, the interior was renovated to meet today’s standards.

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Industrial plant for Frerichs Glas, Verden

The production plant for Frerichs Glas is a continuation of the kind of minimised constructions we had already designed for trade fair halls 8/9 and 27 in Hanover. Here, too, the aim was the integral development of concepts for construction, lighting, ventilation, and energy technology. Over a design period of several years, involving many changes to the floor plans and production technology, the concept showed itself to be flexible and sustainable. The column grid and the line of the crane track in an existing building determined the width of the new building and the position of the columns in it. Despite these constraints, we achieved a consistent overall structural concept

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Vallourec & Mannesmann office building, Düsseldorf

While it augments the form of the massive existing building, the new building also demonstrates its individuality by seeking to engage in a dialogue between heavy and light materials and old and new concepts. In addition, the new building, which uses a skeletal frame system, meets the corporate identity goals of the Vallourec & Mannesmann company by demonstrating the potential and possible uses of their steel hollow sections.

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Antenna reception mast, Leipzig

To find an innovative concept and appealing appearance for the new antenna reception mast in Leipzig that is over 50 metres high, an invited entry competition was set up, from which our design emerged as the winner. The tower, which has three platforms at heights of 39, 45, and 50 metres, serves to position and operate wave control and surveillance antennas. It supports the largest platform at a height of 39 metres, on a three-chord mast in a Vierendeel form. One of the three chords continues as the main chord to the tip of the mast and supports the two other platforms. This creates the structurally clear tapering silhouette of the tower. From bottom to top, the distance between the struts connecting the three chords
of the mast increases, in response to their loading, from 1.25 to 5.0 metres. Seen in perspective from below, this creates an optical illusion, making the tower seem lower than it actually is. The entire structure is designed in such a way that all parts are dimensioned for the standard galvanising baths and fortransport by road. The chords are welded together with their struts in the works and then bolted together on site to form the sections of the Vierendeel structure, which are then hoisted in into the final position by crane. As the final part of this procedure, a prefabricated 5-metre-high telescoping antenna is placed on the highest platform, which increases the overall height of the mast and the effect it makes.

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Sewage treatment plant, Salzgitter

To blend in with the farms of the region, the sewage treatment plant is made up of individual sheds grouped around a yard, and, like a farm, is inserted as a kind of island into the landscape. In spite of this the technical function of the cluster of sheds is still recognizable. All of the shed buildings are designed as simple volumes with a coherent appearance. Yet they serve different functions and vary in terms of the number of storeys and even in their structural material. The intake building is made of concrete, whereas all the other sheds are built of steel. All the buildings use frame systems to ensure flexibility for the various functions and to equip them for changes of function in the future. A two-storey section of the operations building houses functions such as staff rooms, cafeteria, laboratories, controls, and administration; a one-and-a-half storey section holds the sludge dehydration and sludge-drying operations.
Reflecting the technical character of this complex, all the sheds are, despite their different functions, clad in coated aluminium, as well as enamelled metal and glass panels, and form an ensemble with the processing towers and silos.

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