Leak Detection and Water Loss Control（泄漏检测和水损失控制）.pdfVIP

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Leak Detection and Water Loss Control（泄漏检测和水损失控制）.pdf

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Leak Detection and Water Loss Control（泄漏检测和水损失控制）

A NATIONAL DRINKING WATER CLEARINGHOUSE FACT SHEET Leak Detection and Water Loss Control by Zacharia M. Lahlou, Ph.D. Civil and Environmental Engineer, Wiley and Wilson, Lynchburg, VA Summary Utilities can no longer tolerate inefficiencies in water distribution systems and the resulting loss of revenue associated with underground water system leakage. Increases in pumping, treatment and operational costs make these losses prohibitive. To combat water loss, many utilities are developing methods to detect, locate, and correct leaks. Old and poorly con- In general, a 10 to structed pipelines, 20 percent allowance inadequate corrosion for unaccounted-for- protection, poorly water is normal. But maintained valves a loss of more than and mechanical 20 percent requires damage are some of priority attention the factors contribut- and corrective ing to leakage. One actions. However effect of water leak- advances in tech- age, besides the loss nologies and expert- of water resources, is ise should make it reduced pressure in