Stations of deep biological treatment of wastewater <STRONG>UBAS GRAND </STRONG>are made to 400 m3 of capacity. Designed for wastewater treatment of cottage settlements, outlying districts, townships and towns they organically fit into their modern architecture. They have a minimum of sanitary protection zones, maximum reliability and the quality of cleaning. Sewage treatment plants are in the polymer and concrete frame that allows to solve the problem of bio-corrosion and tightness at maximum strength. Above the <STRONG>UBAS GRAND </STRONG>it's possible to build administrative buildings or parking lots. <br>