On October 7, nearly 50 people gathered in Mazingarbe to inaugurate the forest area, the seed orchard, and the greenway developed at the foot of slag heap 49. At the heart of the project is a seed orchard with 1,250 trees, surrounded by a forest and farmland. This transformation was made possible by the circular economy of construction and public works land. An inauguration attended by local stakeholders The ribbon was cut by Sandra Guthleben, subprefect of Lens; Laurent Poissant, mayor of Mazingarbe; Michel Marchyllie, executive director of Espaces naturels régionaux (ENRx); and Julien Golaszewski of ECT. The morning concluded

An accessible site for inert soil from the local construction industry Since December 8, the site in Harnes has been receiving inert soil from local construction sites. Located just 5 kilometers from the A21 motorway, this new site offers construction companies a comprehensive, local, and economical solution for the management and recovery of inert materials. Open for 12 months, it guarantees rigorous traceability of soil deliveries, which contributes directly to the development and financing of the Bellevue park. Consult access conditions for the Harnes site A redevelopment project for Bellevue Park in Harnes This project, carried out in partnership with

October 15, 2025 – The signing of the tender agreement between the City of Harnes (Pas de Calais – 62) and ECT formalizes the partnership for the redevelopment of Bellevue Park. All work on the new park will be at no cost to the municipality, with no public money being spent on the project. Signature of the tender for the creation of a park On October 15, 2025, Philippe Duquesnoy, Mayor of Harnes, and Julien Golaszewski, Director of ECT Haut-de-France, signed the agreement to build Bellevue Park. The signing marks the launch of the project. Sébastien Lysik, deputy for sport and

Today, we shine the spotlight on Thomas Pollet, Building and Civil Engineering Account Manager at the ECT Hauts-de-France branch. His career path is as rich as it is atypical. With his attachment to his region, he fully embodies ECT’s values of commitment, proximity and service. An atypical career committed to the environment Originally from Lens, Thomas had a wide range of experiences before joining ECT. After a vocational baccalaureate in bodywork, he continued his studies with a BTS in customer relations negotiation. He then joined the French Navy for a year. On leaving, he resumed his studies with a BTS

ECT projects come to life thanks to the technical expertise and daily commitment of our teams in the field. In the Hauts-de-France region, Franck Hennere plays a central role as embankment manager. Working at several sites in the Hauts-de-France region, he coordinates, anticipates, and ensures the smooth running of the work. Portrait of a man in the field, passionate about transforming sites. A career forged by experience and a passion for the field Before joining ECT, Franck spent eight years as a machine operator for Legrand, a contractor for ECT. He was involved in numerous earthworks projects, including some iconic

In the Pas-de-Calais town of Sallaumines, a temporary development project has been launched in the heart of the 13/18 housing estate, in anticipation of the neighborhood’s future redevelopment. A project carried out in partnership with Maisons&Cité and the City of Paris Supported by Maisons & Cités and the town of Sallaumines, and assisted by the ECT Hauts-de-France agency, this transitional management approach aims to enhance the value of sites that have been deconstructed and are no longer in use. The objective? Provide a more pleasant living environment for local residents, while preparing for future urban uses. This “temporary free garden”

In Bruay-la-Buissière, the deconstructed plots of land of the Cité des Musiciens are the subject of a landscape requalification project. Spearheaded by Maisons & Cités, in partnership with the towns of Bruay-la-Buissière and Divion, the project is being implemented by ECT Hauts-de-France. A new landscape linked to existing spaces From mid-June, the site will be receiving inert soil from local construction sites. Scheduled to last around three months, this material will be used to shape the soil and finance the creation of a planted area. The project is a continuation of the existing promenade along Rue de la République. It