Passive solar community in Brazil combines social justice and sustainability

January 15, 2020 by  
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To empower a marginalized community in Brazil’s Maranhão state, São Paulo-based architecture firm  Estudio Flume  has completed Castanha de Caju, a new headquarters for a women’s agricultural cooperative that doubles as a welcoming community hub. Constructed on a limited budget and a tight timeline, the inspiring project included the refurbishment and extension of a small house as well as the inclusion of traditional construction techniques and materials to reduce costs. Low-cost passive thermal control strategies and considerable community input helped shape the project, which also includes permaculture principles, a biodigester, and rainwater harvesting. Located in Nova Vida, a small impoverished community in Bom Jesus das Selvas, the new agricultural co-op headquarters was primarily built to serve a group of women who make their living by collecting and processing a type of oil-rich Brazilian nut. As a result, the layout of the building was informed by the co-op’s workflows and includes nut cooking and breaking areas as well as an internal courtyard for drying foods. In light of the lack of  public spaces in the town, the architects also added facilities to the project, such as the sun-room and concrete bunch, to encourage community cohesion and knowledge sharing. In addition to  reusing  as much of the original building as possible, the new headquarters is constructed with perforated bricks and ‘brise-soleil’ pivot doors made with traditional techniques to allow for cross ventilation, natural light, and views. Since the area lacks a sewage system and a constant supply of potable water, the architects added a rainwater harvesting system and a septic tank biodigester for sewage treatment as well as a banana circle to filter gray water. The architects hope that through continued use and maintenance, the community will gradually begin to adapt these systems into other buildings in the town. Related: This beekeepers workshop uses sustainable design to minimize its footprint “This project is part of a wider plan for renovation works for small cooperatives and associations in the interior Maranhão and Pará states, in the north and northeast of Brazil ,” the architects said. “In a country with enormous continental diversity and cultural richness, it represents the opportunity to defend some sense of social justice, to ensure job security, comfort in the routine of a group of women. This was an opportunity to work with those who produce food on a small scale and with respect for the environment and, in the end, these products are eaten in the big cities.” + Estudio Flume Images via Estudio Flume

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Passive solar community in Brazil combines social justice and sustainability

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