Construction of a district heating network of about 20 km and the construction of a biomass boiler (with 2 wood boilers and 3 gas boilers) - Mayenne 2 and the modernization of the existing boiler room - Mayenne 1.

On Mayenne 1: All equipment related to storage and fuel supply / The supply of the biomass boiler process of 2 biomass boilers :P unit useful wear of 5,000 kW dimensioned at 45% humidity and installed by biomass boiler based on a 300 kW economizer coupled to each biomass boiler / Flue gas treatment equipment (multi-cyclone and bag filters) / Wet process of ash bins for biomass boilers / The installation of nozzles for the treatment of NOx / The production, distribution and complete connections in compressed air, On Mayenne 1: The installation of nozzles for the treatment of NOx / The recovery of conveyor equipment with modification of the orientation of the skips