Holcim has selected the joint venture between BESIX and DENYS as the main contractor for the civil works of the upgrade at its Obour, Mons, plant. The GO4ZERO project will produce nearly 2.3Mt/yr of carbon-neutral cementitious materials by 2029. In a separate contract, BESIX’s subsidiary Franki Foundations is handling the deep foundations. Work began in August 2024 and will conclude in February 2025.