Diagnostic et réhabilitation du réseau d'assainissement de la ville Draa Ben Khelfa commune de Tibergent (w. Mila)

Abstract

The main objective of our thesis is the study of the sewerage network of the village of Draa Ben Khelfa in the wilaya of MILA in the context of accompanying the rapid increase in population of the region, which generates an increase in the quantity of water discharged and consequently the deterioration of the old pipes of the sewerage network. In addition to the existence of direct discharge points toward to the chaaba which flows into the wadi al-Maleh without any treatment which has a negative impact on the environment and public health. After collecting all the necessary data, we diagnosed the state of the existing sewerage network, estimated the volume of water flows to be drained, then calculated the new dimensions, and carried out a study to rehabilitate the existing network and eliminate the anarchic discharges is mandatory we designed also a simple waste water treatment system based on phytotechnics. In addition to evaluating the project from an economic point of view, estimating the total cost, while ensuring that the work is completed in the shortest possible time.