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Service Pipe Leakage
Price: £100
Ref: 02/WM/08/28
ISBN: 1-84057-278-7
Leaks from services pipes account for a significant proportion of unaccounted for water in UK water distribution networks. This report covers various aspects of the subject looking principally at detection and location methods. A comprehensive decision chart has been developed to aid the user in selecting the most likely lowest cost repair solution. A prototype twin wall insertion probe has been developed which enables the precise location of a service pipe leak to be determined. The bulk of the report is dedicated to the experiments conducted using neural networks to attempt to characterise service pipe leaks. The aim was to use the acoustic signals given off by a leaking pipe to determine the location and size of the leak as well as the material from which the pipe was made. Whilst some results are promising there is a considerable way to go before the recognition software would be of any commercial value.
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Leakage Estimation from Night Flow Analysis
99/WM/08/21 - ISBN: 1 84057 158 6Existing 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 s... More...
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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...
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The Environmental and Social Value of Leakage Reduction
99/WM/08/24 - ISBN: 1 84057 161 6This research develops a methodology for incorporating environmental and social costs and benefits into the evaluation of water management options. Approaches to valuing changes in external costs are developed. In addition, ... More...
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Best Practice for Unmeasured Per Capita Consumption Monitors
99/WM/08/25 - ISBN: 1 84057 162 4Within the annual water balance, water companies have to estimate unmeasured per capita consumption (PCC) for which various methods are available. The primary project objective was to develop best practice for estimating unme... More...
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