Paris 3rd arrondissement
 Exterior view of the construction  site, from the corner of rue Beaubourg and rue Grenier Saint Lazar (November 2010).
 The construction site is located on rue Grenier Saint Lazar, in the 3rd arrondissement of Paris, adjacent to metro line 11 station, Rambuteau. It is part of a citywide project to improve the ventilation system of lines 1, 4, 6 and 11 of the Paris metro.
 The ventilation tunnel is dug mostly underground, later to be reinforced by injection casting  of concrete on its walls (and ceiling). In order to acheive the desired ceiling shape, the workers use a wooden mold in the shape of a roman arch (catenary) which is  considered the best shape for vertical spans. 
 The RATP project deals with ventilation and breathing, which led to the association of lungs, or a system running through the human body. A unique resemblance between the representation of systems in a human body and the different maps of the Paris Metro was noticed. 
  The project was greatly inspired by the architect Jean Nouvel, who emphasizes transparency in many of his projects, as an integral part of his design concept.   Above: model shots of the Doha Tower in Qatar, In which the facade is built in a traditional Islamic pattern and serves as a ‘mashrabia’ providing shade, and images of Nouvel’s Louvre in Abu Dhabi, with its web-patterned dome allowing the sun to filter through. 
 The original idea was to create modular tiles that could be added or removed as the building process progresses. Each tile can carry certain information regarding the work taking place inside the site. 
 Experiments printing on cement
 Implementing the system for the construction site’s fence as an opportunity to convey a message. The tiles create a message, which creates the fence’s transparency. The fence reads “respirer profondement” which mean “breathe deeply” or “take a deep breath”, refering to the ventilation project taking place underground. However, this word game can change from site to site, according to the project. There are two levels of information: the main expression, spelled out of the tiles, seen from afar; and the smaller lettering, written in cement across the tiles for further information about the construction site, seen when looking close up. 
 Research book, produced to present the project's research and process
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