Well known of the Ile-de-France, the hub of the black cow is a vast site spiky cranes and lined Palisades. The mutation redraws the contours of this important road node, the first encountered on the route of the RN 20 South of the door of Orléans, at the intersection of cross suburban routes. In fifty years, the road took its comfortable territory released at the foot of the fort of Montrouge. RN 20 trench is hollow Arcueil and Val-de-Marne to the East, Montrouge-Hauts-de-Seine border to the West. In the process of pacification, the crossing without a soul is called upon to take the form of a rectangular urban space, "close in its proportions and spirit of the place de la République in Paris", comments François Leclercq (Agency Dusapin-Leclercq), Coordinator of the ZAC of doors of Arcueil developer by Sadev 94. "The place creates a fact intermunicipal between communities who do not speak", observes wisely Architect-Planner.
Become a first milestone in this chaotic landscape, the seat of the operator Orange fixed on the small side of this place. His 40 metre-wide front stands on eight floors above a commercial premises reserved for the installation of a brewery in the scale the place. For now, Orange is a pioneer and it takes imagination to transposing the urban form in the landscape of the black cow, dominated by the thorny bar of social housing.

Developed by Icade Tertial and designed by François Leclercq in person, this building camping announced place with certainty. The front advanced on the public space is that the part to a large scale building: his sprocket. Etirée 200 m on the construction falls between green casting of the aqueduct of the valve which drinks Paris and shopping centre under construction which points its nose on the crossroads. The latter, directed by Dutch Multi Development (with ABN AMRO) is Singularity of a public garden returned to the city to stay on its roof.
Hall in transparency
The seat of Orange thus glides between two green spaces to a constant width of 40 metres. This linear is dug from sawtooth to break alignment and mark entries. François Leclercq said the composition of the frame in two parallel bands of 18 metres wide, "in the standard of the tertiary construction", separated by a space in hinge: "A simple device which produces open voids sometimes on water, sometimes on the planted roof of the shopping centre", commented on. The interest of this frieze Battlement on both sides and divided into three segments is to facilitate commercialization. This scenario preserves the future even if Orange is increased tenant of this program of 47.600 m2.
The immediate frame segmentation allows the operator to distinguish its different entities to facilitate their tracking in space. The central entrance is managed accordingly, with a hall opened in transparency between tree Court and planted roof, and an ad hoc furniture in the colours of the operator. These developments complete spaces delivered by the promoter, undercover. "Architectural value make to such a high density, the standard Office product program" queries François Leclercq. Free trays to floor price! So abstract, the program is taken literally by the designer who focused on a few points. In addition to the smart linear cutting, the diversity of marketing scenarios dictated the positioning of the nuclei of traffic and a dual corridor for partitioning virtual organization.
To do work of architecture, François Leclercq thus hung facades. Three treatments alternating break form and highlight the volumetry in sawtooth. Exposed on the site, the most noble features of metal shutters in a battery. The progressive tilt of blade preserves in part low views and filter sunlight in upper. The result is a gradient of the most beautiful effect, laminated on the height of the building.
These blinds aluminium, light, manipulate from a small latch. Wearing two positions, open or closed, they are a living screen reported before the facade. The depth of clearance gives facades an unusual domestic thickness for offices. Two other siding, shingles of black earthenware and embossed, aluminum panels are used to assert accusing contrasts. The first consistent volumes in sawtooth vertical arrays, the latter draw strip lighters on the linear frames.
The construction for the ordinary rest disappears under the changing shades of anodized aluminum from white bright light of summer to the ruffled tones of the evening. The longitudinal facade reflects the principle "of a post at constant load which the scope increases with the floors." Spacing passes and 2.70 to 5.40 metres, then 8.10 metres at the Summit, inducing a subtle lightening. High loggias cut on two levels complement the drawing, each adorned with a pot of giant flower and cable vertical to guide the plant. Slowly, the black cow turns asphalt to reach the city by reverting with the nature.