Within the context of its fifty years of history, the Tabancura School invit- ed us to participate in a competition to give the school a definitive order, completing the infrastructure built in the late 90s with the incorporation of three new buildings: a classroom building for the elementary school, a library, and a sports volume. Each of the buildings is incorporated into the complex strategically, seeking to establish a new order in which the school's courtyards are the protagonists. The project builds a common ground for the entire complex. A large continuous mantle, from the natural slope of the old Mapocho River, crosses the corridors of the new buildings extending to the entrances of each classroom and interior enclosure. Located in the center of the school and detached from any other building, the library is the complex´s articulating piece. Two strongly contrasted floors make up its cubic volume: the first, transparent, opens to visitors as a real showcase of books that emerges as the students walk by; while the second, hermetic, appears to the visitor as a great suspended and silent mass. Inside, above the central space where the librarian's desk is located, a double-height void visually connects both floors, introducing natural light into the center of the floor plan. A system of laminated wood stairs configures the building's vertical circulation, connecting all the floors until reaching the roof, ending in an outdoor terrace lookout, from where the school, the surrounding hills, and the Andes Mountains can be seen. The building's structure is brought to the edge with a double function: to free the interior of the floors and shade the facades. The pillars are arranged at close and constant distances to mark the rhythm of the building, forming a porous facade that allows access to the pavilion from any direction. Finally, the building takes advantage of the terrain's slope to create a naturally lit subterranean floor, which provides versatility to the building. Only a bridge connects the new pavilion's second floor with the cir- culations of the old building. At night, the illuminated library functions as a lamp in the center of the school. ! 05_ Tabancura School Library Building Vitacura, Santiago The design details are luxurious, starting with the 2.80 m vaulted floor-to-ceiling height of the apartments and continuing with the incor- poration of simple, contemporary-inspired coverings and furnishings, while natural wood brings warmth to each space. A special concern is noted in the coherence and dialogue between the interior and exterior of the apartments, given by the continuity of materials, finishes, and colors. Thus, we can see the exposed concrete on the facades and then in the interior of some rooms; the same porcelain tile in the common spaces, bathrooms, and kitchens; and the black on the windows is repeated in the faucets and handles. ! There are 27 different apartments. Six have gardens, six have the use and enjoyment of the roof, several have double vaulted ceilings and all have a common denominator: the special emphasis in the design of each of their parts. The architects' office that designed them believes that they will mark “a before and after” in the building on Santiago's eastern sector, “possibly becoming an icon or a reference”. in Santiago. The DFL-2 status is a benefit since it allows the real estate company to deduct those areas destined for common spaces from the built area. In this way, the entire built area can be used for sale. The building's expression, its volumetry, conveys the diversity of the types of apartments it contains. Thus, the facade is very dynamic and changes according to the different orientations and floors. The predom- inant material, exposed reinforced concrete, combined with glass, gives it a contemporary expression that will last over time, given the highly durable nature of the material.
03_ The Curved Roof House Matanzas, Navidad
The commission consists of a house for a family located in Matanzas, Navidad. The site is presented with a flat platform that later transforms into a steep slope that ends in a dune field and the sea. The proposal consists of a series of pavilions that work with oppo- sites: between the pre-existing and the new, the flat and the curved, the elevated and the buried. The original pavilion is located on the upper part of the site, on a flat platform. The first decision was to keep the original architecture: a modernist cube built by LAND Arquitectos in 2007 together with local architect Felipe Wedeles. The second strategy was to incorporate a new pavilion for the bed- rooms, the most intimate space in the house. This is located on the hillside, buried as deep as possible so as not to block the view of the existing volume. Both pavilions are connected underground through a tunnel, without modifying the house's original geometry. A third pavilion for a barbecue and parking area with storage rooms was added. Both are located at the rear of the site, on the flat platform. The quincho (bbq area) is oriented to the north and is located towards the southern edge to protect it from the wind, creating a protected patio between the three volumes. The four volumes build the story of the project, where the experience of its route is radicalized when entering the tunnel and appearing in the middle of the slope. This is undoubtedly its most fundamental act. The volumes are supported by concrete plinths and structured with machined plywood skeletons. The curved roofs filter light and shadows, opening views toward new landscapes. Three large skylights were added to the original pavilion. The new pavilion has a curved, single-pitched roof that slopes to the west to protect it from the western sun. The project uses Passivhaus principles to optimize energy efficiency. Air infiltration is eliminated at all the joints with sealing tape and spacers. The floors are insulated with 200 mm XPS, 150 mm cellulose insulation in ventilated floors, 100 mm walls, and 150 mm roofs. Windows with thermal bridge breakage and no air infiltration were installed. A highly breathable, monolithic, UV-resistant film (weight 115 g/m ² , sd 0.08M, and ca. 270) is used for the ventilated facade and ventilated ceilings. Mechanical ventilation is implemented in the wet rooms. !
04_ The Candelaria Building Vitacura, Santiago
This is a luxury building, but with apartments with small surface areas, under 140 m2, a non-existent offer in this neighborhood and none other
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AOA / n°51
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