What will become of the excavated soil from the Grand Paris Express? asks Clémence Barral
Long-term management? What is to be done with the excavated soil from the stations and the tunnel boring machines?
Public authorities directly support certain projects. Others, such as “Les Yeux du Ciel”, are the brainchild of Antoine Grumbach and ECT.
In Carrières-sur-Seine (78), ECT is securing a hazardous site and rehabilitating vegetable-growing land—all without spending any public funds. ECT leads and implements this projectin partnership with the City of Carrières-sur-Seine,
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ECT has opened a new site in Fontenay-Trésigny (77). As of July 20, the site is open for the delivery of inert soil, subject to prior reservation with the sales
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On June 11, 2026, at the Villeneuve-sous-Dammartin site (Seine-et-Marne), Laurent Mogno, president of ECT, and Ovarith Troeung, CEO of Hyliko, officially unveiled Europe’s first hydrogen-powered truck designed for transporting construction
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