Water Mains & Services & Leakage
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Separation of Customers Night Use from Leakage in Night Flow Analysis
Price: £200
Ref: 08/WM/08/37
ISBN: 1 84057 472 0
There is an increasing expectation that the district metered area (DMA) will provide a reliable measure of leakage for operational purposes. However, issues with DMAs are becoming increasingly apparent as DMA sizes decrease, leakage reduces and analysis is attempted over shorter time intervals.
To meet these expectations greater understanding is required of the nature of the flow components in a DMA to improve the separation of leakage and night use. The project develops further this understanding and provides an alternative methodology which accounts for the characteristics of predominantly household DMAs while also exploiting the potential in using recording intervals shorter than the 15-minutes conventionally used.
The methodology provides a sound basis for further development to account for more complex DMA configuration and composition (including non-households) beyond those DMAs already accommodated. Implementation in practice requires only minor changes to data loggers and receiving systems.
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The Environmental Impact of Phosphorus from the Agricultural Disposal of Sewage Sludge - Stage 3
97/SL/02/4 - ISBN: 1 84057 013 XLaboratory, lysimeter and field studies continue to show wide variability the potential bioavailability of phosphorus in sewage sludge. Under operational rates of application, losses of phosphorus in run-off from plots recei... More...
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Capital Maintenance Planning: Failure Data and Analysis Methodology for Water Mains
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Acceptability of Water to Customers
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Estimating Legitimate Non- Household Night Use Allowances
99/WM/08/26 - ISBN: 1 84057 165 9This study has produced a robust and generalised methodology that can be used by individual companies to more accurately determine legitimate non-household metered use. This should improve the accuracy of regulatory reporting... More...
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