Archives des Val-d'Oise

Turning an illegal landfill into an agricultural and ecological site

GPS coordinates : Download the brochure Types of layout Nature area, reforestation Agricultural vocation Issues : Farm rehabilitation Renaturation Status: In operation,soil inputs See the site in operation Project presentation The unauthorized dumping of waste in the municipalities of Boissy-l’Aillerie and Puiseux-Pontoise, one of the largest in the Ile-de-France region, has caused extensive damage and degradation of the site, which could become irreparable if no action is taken. The ECT project aims to “heal” this much-damaged landscape. The proposed approach takes into account all the site’s constraints: landscape, ecological and hydraulic issues. This approach is divided into 2 phases: financing

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Returning land to agriculture

Uncategorized / cdelagarde

GPS coordinates : Download the brochure Types of layout Farm rehabilitation Issues : Agricultural vocation Status: Landscaping completed Project presentation On the Louvres site, rehabilitation began in 2017, on agricultural land damaged during construction of the Francilienne motorway. After finalizing the inert soil input, ECT reconstituted the top layer of the agricultural horizon with topsoil or fertile substrate. In 2021, the farmer returned the land to cultivation. Key figures 0 metric tons of reused soil 0 oaks and trees planted 1 hectares to agriculture 1 month implementation of the construction site 1 solar panels installed The site had low agronomic

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Backfilling an open-pit quarry

Uncategorized / cdelagarde

GPS coordinates : Download the brochure Types of layout Career security Issues : Securing the site Status: In operation,soil inputs See the site in operation Project presentation Securing the Placo® quarry in Cormeilles-en-Parisis by recycling excavated soil. For several years now, ECT has been deploying its comprehensive expertise in the backfilling of open-cast quarries for : define the geotechnical stability of external embankments, modeling their shape and inclination so that they can be built in accordance with best practice, backfilling to very great heights (>100 metres), with successive level embankments, set up safe emptying zones on steep slopes. Project life

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Backfilling an active underground quarry

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GPS coordinates : Download the brochure Types of layout Securing the underground quarry Issues : Site security Status: In operation,soil inputs See the site in operation Project presentation Securing the Placo® quarry in Baillet-en-France by recycling excavated soil. The Baillet-en-France quarry has an outdoor platform for unloading excavated soil trucks. ECT is in charge of transportation and backfilling operations. ECT’s expertise enables it to offer the carrier : management of the backfill authorization process, with the dual aim of accommodating the largest possible volume of soil and optimizing the diversity of soil types used, management of all backfilling operations at

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Turning a quarry into a natural area

Uncategorized / cdelagarde

GPS coordinates : Types of layout Nature area, reforestation Issues : Renaturation Securing the site Status: Landscaping completed Project presentation The Andilly plateau lies around 10 km north of Paris. This plateau was mined for its clay deposits. Left uncultivated, the plots of land have been subject to illegal dumping. AEV acquires these plots. In partnership with AEV, the development project aims to rehabilitate neglected plots and open up this natural area to the public. Key figures 2008 start of work 2020 finishing touches 1 belvedere culminates at an altitude of 200 m 1 hectares converted into a natural area

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