| | The retention and drainage of rain water has become a matter of utmost importance, especially in areas with high risk of flooding. The drainage pipes systems prevent the saturation facilitating the return of water that remains of the natural ecological cycle. | | The purification of wastewater systems offer innovative solutions for the management of such waters and are thought especially for isolated houses, with shortages of water distribution network. With these clearance systems, these waters can be treated on the spot and subsequently led to a stream of water or a drainage installation. | |