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Water utilities and developers
Presentations and publications
Publications - Halcrow clean water specialists
Modern leak detection practices
This article outlines some theory with regards Leakage, Leak Detection/Localising, leak Location, and also Emerging Innovative Technology. The article outlines the importance of an active leakage control programme.
by Richard Pilcher; Principal Operations Engineer at Halcrow.
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A practical approach to developing a sustainable water loss reduction strategy in sandakan, sabah, malaysia.
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The combination of the increasing demand for water and diminishing resources means that the reduction of water loss through leakage control is vital in today's world. All water networks in the world suffer from water loss it is only the amount of loss that varies. The volume of water loss depends on the condition of the mains and service connections that make up the network, local factors such as the type of soil, the utility's operational practice, the level of trained manpower and standard of equipment applied to controlling the losses.
Richard Pilcher Principal Operations Engineer, Halcrow, UK
Click here for presentation given on the 13th September 2005 (3.3MB)
The sea shall quench (pt I) A matter of membranes (pt II)
Man’s first attempt at desalination – the conversion of saline water to fresh – is attributed to Aristotle who postulated that salt might be removed from seawater by a process of successive filtration.With water resources under pressure, it seems that Aristotle’s postulation has not only found its place in history but is very alive and relevant to the demands of the 21st Century, as Neil Campbell* highlights in the first of this two part article
on desalination.
www.ciwem.org
Neil Campbell MPhil CSci CChem FRSC FCIWEM, Halcrow, UK
click to view The Sea Shall Quench (pt I) pdf...
click to view A Matter of Membranes (pt II> pdf...
The benefits of effective maintenance and improvement of district meter areas
Richard Pilcher Principal Operations Engineer, Halcrow, UK
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Mid kent mains renovation £18.5m scheme with a customer focus
Justin Southwell CEng, MICE, MCIWEM
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Water and wastewater Europe 2004 - Improving performance of distribution
Anson Crouch, Mark Quested, Tom Sanders
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Component-based analysis for water loss – A toolkit for practitioners and auditors
Richard Pilcher Principal Operations Engineer, Halcrow, UK
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Quantification of benefits of leakage reduction through district metering
B. Janković-Nišić - Halcrow and N. J. D. Graham, C. Maksimovic, D. Butler - Department of Civil and Environmental Engineering, Imperial College London
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Using a monte-carlo method for active leakage control in water supply networks
at Hydroinformatics2000, Iowa , USA , 2000
B. Janković-Nišić, Č. Maksimović, N. Graham - Imperial College of Science, Technology and Medicine, Department of Civil and Environmental Engineering, London , UK
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Water charging options under water resale regulations
Bojana Jankovic-Nisic, BSc, PhD, DIC - Halcrow UK
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Effects of consumption uncertainty on positioning and sampling frequency of flowmeters for operational management.
IWA specialized conference System Approach to Leakage Control and Water Distribution Systems Management, Brno, Czech Republic, 2001
B. Janković-Nišić , Č. Maksimović , D. Butler , N.J.D. Graham - Department of Civil and Environmental Engineering, Imperial College of Science, Technology and Medicine, London, UK
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Implementation of a confidence grading system for clean water asset data
B. Jankovic-Nisic, I. Ledrappier, A. Bradshaw - Halcrow, UK
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