Explore our photo gallery dedicated to the manufacture and installation of the fertile substrate for the future Parc du Sempin in Chelles. These images illustrate every stage of this innovative process, from the preparation of green waste compost and inert soil from the construction industry to their mixing and application on site. Find out how our teams transform these recycled materials into fertile soil, ready to be planted in the park.
July 2024, production of fertile substrate at the Chelles site

Latest news

April 2025, finalization of the future dry grassland contours
Spectacular limestone models! Immerse yourself in the heart of the future Jacques Chirac Park in Chelles through our photo gallery. Over 6 hectares, ECT teams have created an ecological environment
Read more
Backfilling open-cast quarries : a technical challenge met
As part of its partnership with Placo Saint Gobain, ECT recycles excavated earth from the construction industry to backfill the open-cast quarry at Cormeilles-en-Parisis (95). This involves backfilling the quarry
Read more
Nicolas Martins, backfill foreman, a career in the field
Nicolas Martins, backfill team leader, joined ECT in 2013 on a four-week fixed-term contract. Since then, he has progressed from reception agent to backfill team leader, specializing in active backfill
Read more