H Arquitectes 1737 Gavà Social Housing

Source: HARQUITECTES (David Lorente, Josep Ricart, Xavier Ros, Roger Tudó)Location: Gavà, BarcelonaBuilt Area: 16.509 m2Year: 2022Collaborators: Néstor Morro, Montse Fornés, Guillem Canudas, Nicolás Ortiz, Maya Torres, Meri Mensa, María Espín, Eva Millán, Jorge Suárez, Anna BurgayaTeam: JFG Consultores (structure), Societat Orgànica (environmental consulting), i2A (acoustics), Oriol Vidal Enginyeria (installations), ADR Enginyeria (telecommunications), Carles Bou (quantity surveyor), Bimetrical (BIM)Photography: Adrià Goula
Date: April 13, 2023

The volumetric organization of this project encourages the biological and recreational continuity between the Serra de les Ferreres zone and the Llobregat Agricultural Park in Gavà, Catalonia, complementing the longitudinal circulation with new transversal links that facilitate access to the block. Opening the interior corners of the complex prevents potentially insecure dead zones, while the staggered buildings adapt to the natural slope of the plot. The entire parking zone is placed in the projection of the building to foster a landscaped garden with leafy trees. Only the paths leading to the stairs receive minimal paving; the rest of the land is used as a drainage area to manage the water cycle and consolidate the growth of native shrubs and almond, carob and olive trees. Wood and vegetation complement the materiality of the concrete outer walls.
As the plot provides good views and pleasant surroundings, an additive system generates the building and intensifies relations between the inhabited spaces and their environs. All rooms face outward, toward the landscape. At the same time, however, these rooms enclose a cloister-like central atrium where the services and circulations are concentrated, giving generous natural light and cross ventilation to all the spaces. The project shapes 3 continuous rings – terrace, program, and circulation – with the compact vertical communication cores placed inside the atrium to serve 4 dwellings per level. This layout yields 136 apartments. The central atrium, a sheltered and slightly tempered space, ventilates the stairwell, nuances the dwellings, and makes the residences more comfortable.
Each apartment is shaped by a series of identical non-hierarchical modules, each 10.6 m2, which can be used as living room, kitchen, or bedroom, with outward-facing transition spaces surrounding each room. Along the outer wall, a continuous 1.5-meter-wide balcony runs toward the atrium while an almost symmetric corridor space acts like a glazed porch and converts bathrooms, storage space, or lounge room annexes. Designed as a denser plinth, the ground floor does not use the atrium directly. More conventional, compact typologies are employed to resolve the vestibules, following the same spatial matrix.
A hybrid structure with screens and concrete slabs separates the dwellings, combined with structural concrete slim pillars that permit short, efficient spans and characterize the space in each room.

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