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Deconstruction Innovative Reconstruction for 3 Suisses and La Maillerie - Croix and Villeneuve d'Ascq


Reconversion project for the former historic site of 3 Suisses: La Maillerie. Mixed project, predominantly residential, with more than 700 housing units in a dense urban fabric.


  • Implement a unique circular economy approach from 2017. Deconstruction of an emblematic building by recovering 100% of the materials and products from the deconstruction locally.

  • Identification and inventory of materials that can be recovered through recovery, reuse and recycling.

  • Support in the award of deconstruction cleaning contracts

  • Identification and support of reuse and reuse sectors (concrete sector, collective of architects, resource centers, etc.)



30,000T of concrete recycled into aggregate for concrete, backfill, tiling (EtNISI)

10,000m² of parquet flooring,

4500 lights Andseveral km of reused or transformed shelving.

Economic optimization: approximately €100k

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