Administration Building with Bus Parking Hall Appenzeller Bahnen, Herisau
An Appenzellerhaus as a bus shelter and administration building: OOS AG’s competition entry complements the development area at Herisau railway station with a simple and clear longitudinal building. Anchored in the local urban and architectural building culture, it combines tradition with future-orientated, climate-friendly construction.
The existing bus depot in Herisau has become too small and is to be replaced. Based on the development concept, the aim is to achieve urban densification. For this reason, Regiobus AG and Appenzeller Bahnen AG have decided to jointly construct an administration building with a bus depot on the ground floor.
The new building developed as part of the competition is a simple functional building, which nevertheless remains representative in its expression. The different longitudinal and transverse façades, the pitched roof and the colour scheme are analogous to the classic Appenzell houses. The bus garage and administration building are architecturally recognisable. The continuous window grid offers maximum flexibility for the division of the office space from single, double and quadruple to group offices and open space organisations.
The building structure and the building services concept are designed to minimise CO2 consumption during construction and operation. To this end, a lightweight timber construction is planned for the office floors above the concrete structure on the ground floor. The reduced width of the building means that all areas are optimally exposed to natural light. At the same time, ‘natural ventilation’ of the office areas is possible. The building services are adjusted for optimum comfort using building simulation. The green roof areas support the microclimate by counteracting the heat island effect and naturally supporting biodiversity.
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