CC BY-NC-ND 4.0 ECHOES.PARIS, Sébastien Perrault+

PARAGIS

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  • A new geo-design spatial mapping tool connects waste streams to circular business opportunities
  • REPAiR project, funded by the European Union’s Horizon 2020
  • interactive map of waste streams and shows how they could be usefully redirected
  • Another untapped resource is the building materials that get wasted when buildings are disassembled or demolished. To transform this into an opportunity for urban mining, we used a model developed in a separate urban mining project for building inspection company SGS Search as the backbone for spatially modelling the available resources in the MRA for REPAiR
  • We classified six building classes in the MRA-region based on BAG-data and calculated the occurrence and quantity of approximately 500 building elements.
  • These building elements were then aggregated into 14 main material types: sand and soil, concrete, bricks, ceramics, glass, gypsum, steel and iron, copper, other metals, wood, paper, plastics, bitumen, and isolation material.
  • this method provides an overview of the material stock in the built environment. “When cross-referencing this stock with municipal demolition plans, valuable insights are obtained on the materials that will be available in the near future,”
  • These materials should be matched to nearby construction projects to effectively close the material cycle. Other research suggests that especially wood, isolation material and gypsum provide feasible business cases in the MRA-region.”

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