To add and subtract

In our research to create a new public space, we decided to opt for two different approaches: in the first we tried to dig inside the pre-existing concrete structure, to restore light and double-height spaces.

In the second there is still a search for lightness and space, while still building. As a matter of fact, the new spaces, namely the gym, the rooftop and the staircase, are all characterized by the present use of metal. For each of the three elements, we looked for a peculiar use of material, as a versatile and complex answer to precise needs.

Lightness

The gym presents itself as an addition, which alligns its end with the first part of the building, in order to create a continuous facade, connecting the different sides of the structure.

It is held by three H steel pillars, which dimension recall the same as the pre-existing ones in concrete. As the pillars touch the ground, they create three modern pedestals, namely four steps, which function as bleachers for the sports field in front.

The gym develops on three different floors. On the lower part there are changing rooms and storages, while on the middle floor there are a gallery overlooking the fields and simmetric bleachers.

The punctual trellis element, on the facade, cover the height three floors, with a 32 cm width. A second set of smaller trellis, 15 cm, unload the bearing loads on the sides.

Mass

As we decided to minimize the horizontal one, in order not to have any corridors to access the classes, we wanted the new functions of the Hero Building to be represented by a strong vertical connection, a landmark connecting the common public ground to the gym and especially the rooftop, accessibile 24 hours a day by the community.

The metal spiral staircase, with an elevator inside, is the only element that does not fit into the regular grid of the building and has a circular plan with a radius of four meters, recalling a large steel monolith. A metal mesh runs along the staircase.

Framing

The same metal mesh frames the end of the rooftop and marks inside the different playing fields. The interplay of different density of webs, creates situation of multiple visibility and layering, filtering light.

It follows the outlines and allows for the use of the roof as a new floor, optimizing the use of sqm in the Schulhaus Tuffenweis.