Supply and installation of a prefabricated wastewater treatment plant for the Municipality of San Martino di Castrozza (TN). The prefabricated system uses MBR membrane technology for sludge treatment and can handle throughout of 42 m³/h (on two completely separate and autonomous lines of 21 m³/h each). All machinery is built in two sound-insulated and heated container boxes. The two stainless steel drainage tanks are portable.