The institute building, built in 1963 according to plans by Franz Hart, was in great need of renovation in view of current energy and fire protection standards. Hild and K Architekten developed a new outer skin for the reinforced concrete building with a prefabricated façade, which takes up references both to the surrounding buildings of the TU main campus and to the existing building itself. House 0505 had been built from different reinforced concrete frame constructions "stacked on top of each other" on each floor. This resulted in different building lines between the hall at ground level and the floors above. The design by Andreas Hild and Dionys Ottl takes up this peculiarity of the previous building and develops it further.
The façade is now divided into parapets and pillars, which take up the alignment of the existing columns. From the second floor onwards, they swing back into the level of the parapets, thus reacting to the existing reinforced concrete structure. The maximum deflection of the piers is slightly varied in height. This creates a strong relief in the area close to the ground, which smoothes out towards the top. Installed completely flush with the façade, the windows integrate optimally into the interplay of protrusion and surface. The size and axles remain unchanged from the previous building. An inkan-gray facing brick brick mediates between the exposed bricks of the fifties and sixties buildings on the north campus and the aluminum facades of the technical new buildings on the south campus of the TU. At the same time, its shimmering metallic surface is ideal for the incidence of light differentiated by the bulges of the façade. All in all, this creates a lively, nuanced play of colours. In addition, the curtain brick shell with air layer and insulation guarantees a high thermal insulation standard that meets the current requirements for a new building.
Inside the building, the existing building in need of renovation was dismantled except for the striking reinforced concrete skeleton, and the existing building structure was visually worked out. The light yellow tones of the corridors, seminar rooms and offices pick up on the colours of the surrounding historic buildings and thus once again build a bridge to the architectural context of the site. Large-format windows underline the connections between the exterior and interior and ensure the optimal daylight supply to the workplaces. A comfortable indoor climate in the offices is ensured by natural window ventilation that can be regulated by the user himself, as well as integrated sun and glare protection. Lecture halls, laboratories and meeting rooms will receive air conditioning with heat recovery. In addition, a newly created district heating connection includes the energy-optimised building in the interests of renewable energies and also contributes to CO2 savings. In a second construction phase, another part of the building was renovated accordingly by 2013. The main entrance, which was set back in the existing building, was placed against the street space. It flows into a building-high airspace, which is impressively staged by coloured art windows taken from the existing building.
[Source: Hild und K Architekten] (http://www.hildundk.de/project/technische-universitat-munchen/2/)
Photos: Michael Heinrich
#gima
