über das Planen,
die Zeit
und die Erwartungen

Dieses Buch ist dem Prozess des Bauens gewidmet. Es dokumentiert in Plänen und eindrucksvollen Fotografien die Konkretisierung des architektonischen Entwurfs – von der Referenz über die Planung und Ausführung bis zur Fertigstellung eines Gebäudes. Anlässlich der Eröffnung des neuen Zentrums «Derendingen Mitte» von ern+ heinzl Architekten wird auf den sieben Jahre dauernden Prozess zurückgeblickt. Im Gespräch der Architekten mit den beiden Fachjuroren Evelyn Enzmann und Rolf Mühlethaler werden die Erwartungen an das Projekt aus der Zeit des Wettbewerbs diskutiert. Der Schriftsteller Peter Stamm macht sich während eines Besuchs des fertigen Hauses in Derendingen seine Gedanken über das Bauen und reflektiert auch darüber, wie die Architektur den Weg in seine eigenen Geschichten findet.

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SAF

d | e

2025

The proposed concept responds sensitively to the site’s topographical and functional conditions. The distinctive sloping terrain, descending towards the north, and the single-sided access from below determine the urban placement of the new building. The existing ensemble of three structures from different periods and with varying uses forms the point of departure. The project sees itself as a contemporary continuation of the existing fabric – aiming not only to meet functional requirements but also to enhance the site as a spatial, ecological, and architectural environment for learning and living. • The proposed new building adds a fourth component to the ensemble, completing and defining the spatial composition of the site. Its position closes the area towards the north-west and establishes a clear spatial edge that gives the terrain both structure and orientation. • The siting and volumetric articulation of the new building are deliberately compact. With a small footprint and the maximum permissible building height (+10.80 m), the design ensures resource-efficient land use. The resulting open space allows for a generous sports field, which provides significant functional and social value to the school complex. • A key design feature is the large, terraced outdoor staircase, which mediates the height difference between the playground and the new building. It serves as a link between levels, as a social gathering space, and as an identity-defining element with a strong visual presence. The staircase transforms the topographical conditions into both an architectural and pedagogical asset. • Sustainability is an integral part of the design. The compact building form minimises the external surface area and thus energy demand. Construction relies on pure, recyclable materials. The robust and restrained façade design conveys a sense of permanence and integrates naturally into the existing ensemble without competing with it. The use of durable materials and a modest architectural language ensure long-term aesthetic and functional resilience.