BORÉAL \ Tetrarc architects

• April 17, 2012

BOREALTetrarc 01 600x449 BORÉAL \ Tetrarc architects

BORÉAL, image courtesy Tetrarc architects | Photo by Stephane Chalmeau

Tétrarc proposal for those 39 social housing shapes as 11 “Houses” gathered side by side. The resultant continuous volume describes a light 21 degrees inflexion on its half, creating two distinct households.

As the first one contains 6 rental houses, the second one is dedicated to the 5 sold houses.

BOREALTetrarc 04 600x424 BORÉAL \ Tetrarc architects

BORÉAL, image courtesy Tetrarc architects | Photo by Stephane Chalmeau

In order to optimize the space for living rooms without increasing reference surface areas each housing is organized around a nucleus made of a kitchen, a bathroom, toilets, and a staircase for duplex apartments.

BOREALTetrarc 02.Chalmeau non libre de droits 600x900 BORÉAL \ Tetrarc architects

BORÉAL, image courtesy Tetrarc architects | Photo by Stephane Chalmeau

In the same purpose, accesses to the housings are located outside the building as an unexpected & playful iconic element.

BOREALTetrarc 04.Chalmeau non libre de droits 600x641 BORÉAL \ Tetrarc architects

BORÉAL, image courtesy Tetrarc architects | Photo by Stephane Chalmeau

Households are characterized by a greenhouse in front of their façade. They are the continuum of the spaces inside the housing, provide more surface areas, and even are a great living volume in the duplexes.

BOREAL Tetrarc 13 3D 600x450 BORÉAL \ Tetrarc architects

BORÉAL, drawing courtesy Tetrarc architects

Finally, private gardens take place at the foot of each household, extending them and offering an innovative way to practice gardening in order to promote neighbourhood relationships.

Thus, Tétrarc plays on different tunes. It sets the project in modern history of individual social housing which began in 1925-1930’.

BOREALTetrarc 10.Chalmeau non libre de droits 600x848 BORÉAL \ Tetrarc architects

BORÉAL, image courtesy Tetrarc architects | Photo by Stephane Chalmeau

It provides an innovative answer to the sustainable social housing question with new forms and use of materials. It also provides a recalled quality of life to its inhabitants with its innovative performances of indoor spaces extended on the outside.

+ Project facts

BORÉAL

Competition: July_2007
Study: 2008/09
Completion: 2011
Gross internal floor area in m2: Building surface 3525 m2 SHON
Ramp surface: 380 m2 SHON
Greenhouse surface: 590 m2 SHON
Housing surface: T2 (50m2), T3 (60m2), T4 (85 à 89m2)
Architect: Tetrarc architects
Project manager: Michel Bertreux
Project director: Daniel Caud
Client: HABITAT 44

Structural engineer:

BET Structure_ IBA
BET Fluides: HAYS INGENIERIE

Quantity surveyor:

21 (rental houses) social housing (3 T2, 9 T3, 9 T4)
18 ( social houses) social housing ( 3 T2, 8 T3, 7 T4)

Main contractor:

Excavation, outdoor planning_ BLANLOEIL
Shell: LEGENDRE
Wood framework: CAILLAUD BOIS
Cladding: GALIFRET
Thermal insulation: ANVOLIT
Ramp, woodwork: MCO
Dry walls: MARTIN
Covering: ROSSI
Paintwork: DEBUSCHERE
Parking insulation: PROSECO
Cleanup: NICKEL KROM
Lift: ARVOR
Heating, ventilation; OCE
Electricity: AES

SUPPLIERS:

Wire facade: ARVAL
Coats: STO
Outside joinery: TECHNAL
Joinery, double skin frame: ETERNIT
Lights: AIRFOIL
PVC flooring: FORBO NOVIBAT
Rubber flooring: MONDO SPORTFLEX
Landing doors: MALEBA
Greehouse, Roof: polycarbonate DANTALON
Sanitary facilities: Jacob DELAFON
Electrical distribution: ALOMBARD

Program: Implant 39 social housing, either for rent or for sale below a housing estate built during the thirties.

Translator: Matthieu Blanche

+ All images and drawings courtesy Tetrarc architects | Photo by Stephane Chalmeau

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Category: Architecture, Residential

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