![National Cities Confederation / Mira Arquitetos - Image 1 of 27](https://images.adsttc.com/media/images/57f1/eca7/e58e/ce3d/8200/0599/newsletter/86801_160517-075D.jpg?1475472546)
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Architects: Mira Arquitetos
- Area: 10488 m²
- Year: 2016
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Photographs:Leonardo Finotti
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Manufacturers: Saint-Gobain, CPC Estruturas metálicas, Deca, Grademax, Hunter Douglas, Indusparket, InterLight, Itaim Iluminação, Itaim, Reka , Mopa, Lumini, Reeme, Interlight, Philips, Knauf, Lumini, Mopa, Plaka, Reeme, Reka Iluminação, Safra, Snaldi, Total Piso, Vidrotil, reka iluminacao
![National Cities Confederation / Mira Arquitetos - Image 4 of 27](https://images.adsttc.com/media/images/57f1/ecc6/e58e/ce4f/a800/0389/newsletter/86801_160517-089D.jpg?1475472578)
Text description provided by the architects. The primary condition for the design of thenew headquarters of Confederação Nacional dos Municípios (CNM) is the creation of a metropolitan area in line with the urban context of the city of Brasilia. The action plan adopted for the design of the new building is based in some fundamental assumptions:
- The land use gives emphasis on integration of users with the built landscape;
- The organization / hierarchy of the ground floor should strengthen its function as the main local of convergence;
![National Cities Confederation / Mira Arquitetos - Beam, Windows](https://images.adsttc.com/media/images/57f1/ecd2/e58e/ce3d/8200/059b/medium_jpg/86801_160517-096D.jpg?1475472588)
- Preference for a clear and rational structural system that will guarantee speed and economy in construction;
- A sustainable building;
The project is embodied along an axis in the form of a white metallic volume floating gently on a concrete basement. The transparency of the volume creates a special relation with their surroundings.
![National Cities Confederation / Mira Arquitetos - Facade, Concrete, Beam](https://images.adsttc.com/media/images/57f1/ec7d/e58e/ce3d/8200/0597/newsletter/86801_160517-047D.jpg?1475472504)
![](https://images.adsttc.com/media/images/57f1/ee7e/e58e/ce4f/a800/038f/newsletter/09-CORTE_BB.jpg?1475473015)
![National Cities Confederation / Mira Arquitetos - Facade, Windows](https://images.adsttc.com/media/images/57f1/ecdb/e58e/ce4f/a800/038a/newsletter/featured_image.jpg?1475472598)
The arrangement of the built elements is a direct response to the distribution of the program in the site:
- The base contains all the public functions, spaces to house the external audience (the auditorium, foyer, support rooms) as well as living spaces (coffee and restaurant);
- The foil has the administrative areas;
- In the roof terrace there is the meeting rooms;
- Finally, in the basement, is the garage and an annex to the technical areas, service and maintenance areas.
![](https://images.adsttc.com/media/images/57f1/ee38/e58e/ce3d/8200/059f/newsletter/05-planta_terreo.jpg?1475472936)
![](https://images.adsttc.com/media/images/57f1/ee4b/e58e/ce4f/a800/038d/newsletter/06-planta_pav_tipo.jpg?1475472955)
![](https://images.adsttc.com/media/images/57f1/ee61/e58e/ce4f/a800/038e/newsletter/07-planta_3%C2%BA_pav.jpg?1475472977)
The design of the ground floor was the guiding principle of the proposal. We have created a square, slightly sunken in relation to the midlevel of the terrain, which unfolds on two levels and results in a new topography for the lot. On the ground floor a reflecting pool guides the pedestrian towards the reception, giving access into the administrative areas. In a lower level, in the base, is the civic square from where you can access the auditorium. A staircase connects the two levels allowing the realization of events autonomously, without affecting the functioning of the administrative areas. The ground floor has two purposes: it is both support for the settlement of the new set and an interface with the city.
![National Cities Confederation / Mira Arquitetos - Image 6 of 27](https://images.adsttc.com/media/images/57f1/ecbb/e58e/ce3d/8200/059a/newsletter/86801_160517-084D.jpg?1475472567)