OMA Wins Competition for Rotterdam's City Hall Extension
By Bustler Editors|
Wednesday, Oct 21, 2009
The Office for Metropolitan Architecture, in collaboration with Werner Sobek and engineers ABT, has won the competition for Rotterdam’s Stadskantoor, a new building for the city hall that will accommodate municipal services, offices, and residential units. The winner was announced this morning by city alderman Hamit Karakus.
In early September, Bustler published the five finalists, including Claus en Kaan Architecten, Mecanoo Architecten, Meyer en van Schooten Architecten, and SeARCH.
Competition-winning design for the new Rotterdam Stadskantoor by OMA (Graphic: OMA)
The design, led by OMA partners Reinier de Graaf and Rem Koolhaas, was chosen from five submissions by Dutch architecture companies following a public consultation period and the deliberation of an expert jury, which commented: “OMA’s design was the perfect combination of innovation and suitability for the surrounding context.”
Rendering (Graphic: OMA)
Rendering (Graphic: OMA)
OMA conceived a modular building with repeated units gradually set back from the street as they rise into two irregular peaks. The building’s composition of smaller cells creates an impressive, complex form when viewed from Coolsingel, one of Rotterdamâ€™s main arteries, and allows for subtlety and adaptability as the Stadskantoor abuts the adjacent municipal building from the 1950s, the Stadstimmerhuis.
Model of the Building Volume (Graphic: OMA)
The Stadskantoor’s innovative structural system generates maximum efficiency and versatility both in construction and in program: units can be added or even dismounted from the structure as demands on the building change over time, and can adapt to either office space or residential parameters as desired. Green terraces on higher levels provide the possibility of an apartment with a garden in the heart of urban Rotterdam.
Section (Graphic: OMA)
Diagram (Graphic: OMA)
The building’s concept of flexibility â€“ together with a climate regulated by warm air stored in summer and released in winter, and vice versa, and the use of hi-tech translucent insulation in the building’s glass faÃ§ade â€“ allowed OMA to meet the design briefâ€™s requirement of making the Stadskantoor the most sustainable building in the Netherlands.
Isometric View Ground Level (Graphic: OMA)
Reinier de Graaf commented: “Rather than posing as the city’s next superlative, the design for the Stadskantoor is partly a building, partly an urban condition â€“ a skyline in its own right. The design attempts to mediate between the adjacent town hall, post office and Stadstimmerhuis. Through an intentional ambiguity, the mass immerses itself in the city’s diverse architectural periods, absorbing the scales and styles of its immediate context.”
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