Abstract
Leakage control is one of the most important issues in water networks. This paper presents leakage management and how to organize and analyze a water distribution system for leakage purposes. Also various aspects of management of water supply networks are depicted in order to provide integrated hydraulic model in (Geographical Information System) GIS. These consist on determination of required data structures and, how to supply and reintegrate the information in GIS. The specification and applicability of the hydraulic model, in GIS for leakage management in urban water system, is studied with practical project in Saveh city of Iran. These are accomplished using Arcview as GIS base and EPANET software for hydraulic modeling and link between the above programs is DC water extension. Based on the analyses carried out and using the relationship between hydraulic and physical characteristics of distribution system, leakage indices have been calculated. The results can provide valuable management guidelines to identify leakage location in the system. Also a flowchart of data management and analyzing hydraulic systems in GIS environment has been obtained that can be useful in any other process of such analysis.
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