Réhabilitation de réseau d'alimentation en eau potable de la commune de Rebaia (w. Medea)

Abstract

The purpose of our study is to establish a diagnosis of the drinking water supply network of REBAIA town (Wilaya of MEDEA). Through this study, we will firstly give a general overview of the actual situation of thvarious available hydraulic resources, water supply network and various storage structures, then estimated thwater needs of the population of REBAIA until the year 2050, regarding the situation of the existing reservowe planned two new ones. The physical and hydraulic diagnosis of the water supply network enabled us to deall anomalies and the main failure causes recorded in the network, resulting in a lack of water in several zoneand a high rate of leaks revealed by the large number of interventions on the network. The next step was the rehabilitation of the water supply network where we renew all the pipes other than (HDPE) because highly deteriorated we changed it with (HDPE) and project other parts to reach areas not yet served. We also discussed project management; the execution of the works, the choice of engines, the volume of earthworks ,work planning and cost estimation; in order to guarantee a good execution of the project.