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Leakage

Online Catalogue | Distribution and Underground Services | Leakage

	Estimating Unmeasured Water Delivered. (Report D)
	Order Code: NS84 ISBN Number: 1898920095 Publisher: WRC No. of Pages: 51 Date of Publication: 1994 Price: £30.00
This report in the series identifies that unmeasured household water use, consumption and water delivered are key factors in the estimation of annual losses by the total integrated flow method. The report provides an assessment of the reliability of alternative methods for estimating unmeasured per capita water use. The report also provides guidelines for companies wishing to improve estimates of these factors and assesses the significance of other unmeasured components of water delivered. The report addresses the issue of reliable estimation of the unmeasured components of water taken from the distribution system. Background Evaluating methods of determining unmeasured per capita consumption Unbiased estimates Selecting a SAMPLE Re-weighting the SAMPLE data Difficulties in obtaining average consumptions for Re-weighting Calculating the confidence interval.



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