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Leakage Estimation from Night Flow Analysis
Price: £100
Ref: 99/WM/08/21
ISBN: 1 84057 158 6
Existing methods for providing leakage estimates for reporting purposes, using data from continuously monitored areas are reviewed. Analysis concentrated on night use allowances and 15 minutes flow sampling intervals using standard meters and loggers It is recommended that reported leakage is based on a rolling 7 day 20 percentile using the minimum rolling hour each night. The method will give a leakage estimate for each day. Monthly and annual estimates should be based on the average of available data for the relevant period.
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Cost Effective Leakage Survey Practice
04/WM/08/31 - ISBN: 1-84057-325-2A framework has been developed for processing and analysing cost and effectiveness data for DMA prioritisation and leak detection techniques. Initial guidance on suitable assessment criteria is also presented in the report. T... More...
Price: £280
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Leakage Index Curve and the Longer-Term Effects of Pressure Management
03/WM/08/29 - ISBN: 1-84057-280-9This project considers the various methods available of predicting both the short and long term effects of pressure management. The report concludes that there is little practical difference between the methods for the majori... More...
Price: £100
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A Manual of DMA Practice
99/WM/08/23 - ISBN: 1 84057 160 8The manual provides guidance to staff engaged in managing district meter areas (DMAs). It guides the practitioner through the stages of : 1. setting up and maintaining districts, 2 monitoring leakage, 3 se... More...
Price: £100
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The Natural Rate of Rise in Leakage
99/WM/08/22 - ISBN: 1 84057 159 4This research examines the theoretical and empirical determinants of the natural rate of rise in leakage (NRR) over time, in order to advance the development of an 'NRR Equation' which can be used to produce reliable estimate... More...
Price: £100
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Background Leakage
03/WM/08/30 - ISBN: 1-84057 283 3Background leakage is an important concept in leakage economics. This report assesses the methodologies available for investigating background leakage and recommends a best practice. The report also develops the understanding... More...
Price: £100
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