Technology and Application Center of Siemens Automation and Drives (A&D)

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Technology and Application Center of Siemens Automation and Drives (A&D)
The building with a machine hall and office accommodation was built in Germany, Bavaria, Erlangen, Frauenauracher Straße, on an area of around 7,000 square meters within only one year for the Siemens Company, A&D Division Motion Control Systems (MC). The five-storey office part gives room to 200 workstations and the annexed machine hall holds 1900 sqm. The new building houses machine tools and production machinery that is used in demonstrations and training courses for mechanical equipment manufacturers and end users. Since it was built with a high proportion of prefabricated elements the construction period could be reduced to only 10 months. The construction costs were approximately € 9 million. Difficulties during the construction period occurred because of the narrow plot, which is surrounded by a busy street with internal traffic. Therefore all the site facilities for the five-storey office part had to be placed within the future borders of the machine-hall. Important facts on the architecture: The system of the facade consists of prefabricated panels from exposed concrete with sandwiched insulation. These plates, staggered by level and laid out similar to a chessboard, generate a load-bearing wall only 16 centimetres thick. The chessboard walls together with the prefabricated concrete ceilings and the two circulation towers on the backside of the building form the primary structure of the house. The load of the projecting upper floors above the main entrance could be easily transferred to the ground because of the framework effect of the offsetting concrete panels. The repeating elements of windows made from extruded aluminium profiles were prefabricated including movable blinds and inserted between the facades concrete panels. Because of this the fitting of the elements on site could be optimized. The prefabricator of the elements was Kawneer (Alcoa). When planning the building services the energetic optimization was the main focus. The heat storage capacity of prefabricated ceilings is used for heating and cooling. As the pipelines were already cast into the concrete ceiling elements the whole floors can be heated or cooled. The room temperature can be varied by app. 2-3° Kelvin without affecting the comfort. The ventilation is split into small units, so that the users can adjust it according to their demands. Dropped baffle fields improve the acoustic situation and allow for free air circulation under the concrete ceilings. Electrical, heating, and data supply is realized horizontally in a circular double floor system along the façade and vertically in shafts in the staircase towers.

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