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Mixed Use Rathausstrasse

Vienna (AT)
RAT
Vienna in one house
Mixed Use Rathausstrasse
Mixed Use Rathausstrasse
Mixed Use Rathausstrasse
Mixed Use Rathausstrasse
Mixed Use Rathausstrasse
Mixed Use Rathausstrasse
HOUSING / MIXED USE / OFFICE & ADMINISTRATION
Project dataView

Planning: AllesWirdGut

Project stages: 1

Client: Wien Holding GmbH

EU-wide open

Competition: 11.2013 – honorable mention

GFA: 22,900 m²

Team: Dennis Assáf, Guilherme Silva da Rosa, Ivana Valenkova, Lukas Morong, Mia Andrasevic

Landscape design: 3zu0 landschaftsarchitekten

Structural engineering: gmeiner & haferl Bauingenieure ZT GmbH

Building services: Allplan

Energy and Sustainability: Transsolar

Fire protection: IB Ivanov

The proposed design is informed by the Historicist house from the late 19th century Gründerzeit period, the predominant building type in the cityscape of downtown Vienna. Combined with characteristic public uses of everyday urban life, the design articulates a concentrated version of a seminal modern Viennese city life: the Smart City Center.

The required usable floor space is piled up into a tower at the south-west corner of the site (Auerspergstrasse / Dobblhoffgasse). This decision is based on the idea of necessary (additional) urban densification with simultaneous provision of adequate open public spaces. The non-built-up area thus gained along Stadiongasse can be used to expand the radial route between inner city and suburb into a usable public square. The tower development is a widely visible boundary marker at the transition from the inner city of Vienna to the suburbs (the Josefstadt district). The height of the building makes it a good orientation point with the potential of becoming a meaningful landmark. Together with other existing high-rises (City Hall, Ringturm tower, Sofitel hotel, City Tower Vienna), the tower marks the starting point of a medium-term development strategy for the fringe of Vienna’s inner city.

As part of a larger whole, it may, together with other possible high-rise projects on the area of the former glacis, be a projected reflection of the Vienna Ringstrasse. Subtle shifts of the stacked built volumes result in an adjustment of scale to the surrounding builtup area from the Gründerzeit period by establishing direct relationships with the neighboring buildings (e.g. corresponding eaves heights). The maximizing of ground-level areas and the idea of providing retreat from traffic noise prompts a gentle downward gradient of the outdoor area from Stadiongasse to the tower, facilitating an inner-city public square that offers quality urban space. The edges of the square and the tower facades mark out the original block perimeter. An adjoining direct connection to the “Rathaus” subway station appears logical and natural and warrants a lively urban site.

In a first step, the design stacks two Gründerzeit-style houses on top of each other. Different uses are assigned to individual building blocks and both the lower first floor (lowered square) and the (transparent) attic are used. Each building use (each building structure) has its own facade design. Viewed across the entire building, these facades in turn form a whole.

Visualization: vizarch.cz feat. AllesWirdGut, Illustrations: AllesWirdGut, Model: mattweiss

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