New Secondary School Braunschweig

Andre Brockhaus: The concept originally came from Baumgarten GmbH in Ebersburg in Hesse. Here, a modular system was developed to provide an interim solution of the required size for school refurbishments with comparatively little effort. The system can be completely dismantled so that it can then be moved to the next site in the desired configuration. This enables municipalities to make the refurbishment of their school sites more flexible in the long term. Starting in 2016, we cooperated with Baumgarten, especially in terms of capacity utilization and assembly. Since then, we have modified the system on our own and further developed it according to our requirements.

Andre Brockhaus: The original plan was for an interim solution. But in the meantime, another building was added in 2022 to the one completed in 2020 in 2022. In the first phase, 11 classrooms, a staff room, the all-day area and one WC facility per floor were built on a total of 3 floors. The second phase of construction consists of 9 more classrooms.

Andre Brockhaus: The base is a strip foundation of concrete, on which we build the floor slab of the building with cement-bonded particleboard. Thus, the structure is protected from moisture. On top of it, the walls are erected in wooden panel construction, with external insulation board, insulation and curtain wall. The interior walls are constructed as two single-sided elements in timber frame construction, which are mirrored - i.e. back to back - to form the walls.

Andre Brockhaus:Construction is always time-critical - this is particularly true for school construction. Thanks to prefabrication, we were able to reduce the time from laying the foundation stone to occupying the building at the Braunschweig school to around 5 months. The topping-out time in operation was around 4 months. Added to this is the particularly sustainable construction method. By dispensing with adhesives and using appropriately suited materials, our system easily complies with the specified VOC guideline values. The quality of the materials used and the self-contained design of the elements also contribute to this. For example, we use LivingBoard P5 in 13 mm thickness for the top closure. The board combines excellent emission values with very good structural-physical properties that support the stability and stiffening of the structure. In addition, it is very useful for us that the final floor covering can be glued directly onto the even surface.

Andre Brockhaus: In any case, our solution can still be dismantled if necessary. I am not in a position to say what is the decisive factor for permanent use in a specific case. In any case, in addition to the deconstruction capability, the benefits are still time savings, outstanding quality and sustainability. In our experience, even the price is not a particularly critical aspect in view of these advantages - even with public-sector clients such as in school construction. This explains why we were able to convince with our offer in no less than two construction phases with changing architects.

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