Abstract
Water loss is a common phenomenon observed in all water distribution systems. The process of water loss reduction is a basic part to increase the performance of a water supply system. The means presented in this study is aimed at evaluating water distribution pressure for the minimizing leakages in Dilla town water supply system network. Water CAD software was used to evaluate water distribution system, fixed pressure reducing valves (PRV) were installed at the most effective set of water distribution systems to reduced pressure as well as leakage quantities of water. An average water distribution pressure in the existing water distribution system was 58 m. Then, after the pressure reduced by pressure reducing valves (PRVs) average pressure dropped to 44 m, therefore, leakage in average reduced by 24%. The study concluded that the application of PRVs in the water distribution system as a promising solution for leakage minimization by reducing pressure in the water distribution networks, such as Dilla town.
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