Diagnostic et réhabilitation du système d'assainissement de la commune du Chettia (w.Chlef)

Abstract

The commune of CHETTIA located in the city of CHLEF knows a considerable development of population which generates an increase of the quantity of the rejections as well as the problem of flood and overflow blocking all activity. The purpose of this study is to improve the sanitation system of the commune and find a solution against floods based on diagnosis to identify the dysfunction of waste water network its capacity and rainwater. In order to achieve the objectives of this study a physical and hydraulic diagnosis was made in order to know the behavior of the drainage network. Several negatives slopes and under estimated diameters were detected .finally, we proposed a renovation of sanitation system to ensure an adequate functioning.