FCC Construcción

Communications City, also known as District C, is located in the new residential area of La Tablas, in the triangle formed by the intersection of the A-1, the M-40 and the M-607 north of Madrid.

The complex, which was designed by architect Rafael de la Hoz, is the home office of Telefónica. It sits on a 200,000-m² lot and can hold 14,000 employees.

The "city" is divided into four zones, in each of which there are two four-storey buildings and one ten-storey building. In addition to these twelve buildings there is a corporate building where the company management is located, a building to hold all the restaurant services and a third building for the company employees' crèche, gym and health centre.

The buildings are arranged around a central plaza that contains a park and a large lake. One unique element of the complex is the vast awning that provides protection from the sun and collects solar rays for power use. This awning ties the whole project together. It is 50,388 m² in area, 25,000 m² of that being occupied by solar panels, making one of the largest expanses of solar panels in Europe.

This shelter provides heat insulation and protection from the weather, so it has reduced CO₂ emissions by 1,600 tons per year, in line with the objectives set in the Kyoto Protocol, and at the same time it protects the buildings and grounds from solar radiation.

The buildings' façade is a double skin of glass with ribs sandwiched between the inner and outer skins.

District C won the 2005 Architectural Concept and Development Project Award given by the newspaper La Gaceta de los Negocios.

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• Communications City