operation and maintenance of heating installations, air and water treatment, realization of legionella services, on-call and troubleshooting of equipment, supply of treatment products and current equipment of the 2 swimming pools (Le Grand 9 and Aqua 9), total guarantee of the Grand 9
management and maintenance of swimming pools (P2) "Le Grand 9" in Saint Philbert de Grand Lieu and "L'Aqua 9" in Montbert, total guarantee of the "Grand 9" in Saint Philbert de Grand Lieu (P3)