Project in Detail
Siège de l'Opac de Paris
Paris, France
CunoBrullmannJean-LucCrochon+Associés, Paris, France
2008
Gaston Bergeret
***The architectural concept of OPAC de Paris headquarters (Local Authority Tenant)
The new headquarters of OPAC de Paris offer a full set of services, which include office areas, a restaurant and a conference room. The architectural concept, which is both ecological and experimental, matches the requests of the client while adapting to the specific features of the original building.
Formerly a parking lot, later the seat of the editorial office of “Le Monde”, the headquarters of OPAC de Paris are set into of a complex concrete structure superposing several meshes.
Minor demolition works have released a great architectural potential, thereby creating an experimental space around the large hall.
*A new experience of the working place
Open mezzanine floors overlooking the main hall host neutral spaces which constitute the very heart of the building. Flanked by the main aisles, the atrium offers several areas for informal communication and visual exchanges.
The perfect readability of the building furthers a straightforward and pleasant appropriation of spaces.
**An eco-sustainable building
*Natural ventilation
The concrete skeleton is used as a thermal reservoir. Natural convection takes place under the glass panels which cover the hall.
The upward air flow thereby generated provides an efficient cooling of the working area.
The new external facades can be opened to let the fresh air in, whereas hot air flow is ensured by the chimney effect in the hall.
On summer nights, fresh air cools down the structure. In the morning the openings are closed and the building takes advantage of the cold stored in its mass during the night.
*Natural lighting
The absence of false floors allows for maximal natural lighting.
In order to fully optimize the thermal capacity of the building and make the best use of the space between floors, high and low power lines are embedded in the structural beams.
**Technical data
Client:
OPAC de Paris (Local Authority Tenant)
Architect:
CunoBrullmannJean-LucCrochon+Associés
Cuno Brullmann, Jean-Luc Crochon, Daniel Durassier, Giovanna Boffa-Huertas
Engineering:
Technip TPS
Facades & glass panels:
ARCORA
BOQ engineer:
DAL
Acoustics:
Commins Acoustics Workshop
Lighting designer:
Light Cibles
Environmental engineer:
RFR Eléments
Contractor:
BATEG
Program:
Renovation
Offices, restaurant, conference room
Area:
15 000 m²
Schedule:
competition: March 2005
design: May 2005 – July 2007
construction: August 2006 – April 2008
Photographers:
Gaston François Bergeret
Lead Architect »
CunoBrullmannJean-LucCrochon+Associés
Paris
France
Professional Credits »
Civil Engineer
TECHNIP TPS
France
0033144085400
tps@techniptps.com
Facade Engineer
ARCORA
France
0033141986633
arcora@arcora.com