On the night of November 9 to 10, 2024, at 1:30 a.m., a fire broke out at 11 rue de Bellevue, in the Haie des Cognets industrial zone in Saint-Jacques-de-la-Lande. The site concerned, belonging to the company Triadis, a subsidiary of the Séché Environnement group, is classified Seveso due to its sensitivity. The flames hit a waste storage pit measuring 3 meters high, 10 meters wide and 8 meters deep. Around 10 tonnes of materials were burned in this space, requiring rapid mobilization of firefighters to prevent any spread. The police forces have set up a security perimeter around the company, to allow rescue teams to intervene in secure conditions. The origin of the fire remains undetermined, although initial observations suggest a possible chemical incompatibility which caused a smoldering fire. The elected representative of the municipality of Saint-Jacques-de-la-Lande was informed of the situation. This morning, the Rennes prefecture wanted to communicate. “The two fireplaces were extinguished at 3 a.m. and the clearance was carried out. The absence of wind during the night limited the dispersion of the smoke which remained concentrated in the form of a vertical plume which did not reach the first homes 600m away from the site to the east. In accordance with regulations on ICPE Seveso classified sites, the firefighting water was stored in retention to be analyzed and treated. The operator, ensuring the grouping, transit, sorting and pre-treatment of industrial and community waste. also requested APAVE for additional measures. »
