Farley M. Losses in Water Distribution Networks. A pactioner's giude...2003

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Farley M. Losses in Water Distribution Networks. A pactioner's giude...2003

Textbook in PDF format Water loss from distribution networks is a universal problem, requiring a management strategy which can be universally applied. Developing such a strategy requires a diagnostic approach – first identify the problem and its causes, and then use appropriate tools to address the problem, and to reduce or remove it. To support the development of a universal strategy, the authors draw on first-hand knowledge of managing audits of water networks and water loss reduction projects for UK water companies, research and consultancy organisations, and international non-government organisations (NGOs). The book will be of special interest to water network operators, consultants, and other industry practitioners who are about to embark on a water loss management programme, or who wish to review their existing procedures. The aim of the book is to allow water network operators to: understand the significance and scale of water loss components quantify the volume of losses by measurement or estimation become aware of the various techniques to monitor and control leakage select the appropriate network management practices and equipment to support the techniques develop a strategy for a particular network by considering the economic and other factors relevant to the local conditions and infrastructure design a leakage management and control system appropriate to local conditions and constraints be aware of the operation and maintenance and training requirements to sustain the policies and practices once in place The book includes case study material from the authors’ own experience and from that of colleagues in the international water industry. Introduction Assessing losses International comparisons Developing a strategy Upgrading the network Leakage monitoring and control Pressure management Changing policies 183 Ensuring sustainability 206 Case study 1: An evaluation of the water distribution system for system losses in Sarina Shire Council, Australia Case study 2: Leakage control in southern Europe (Italy) Case Study 3: Leakage control and unaccounted-for water analysis – Water Works Corporation, Malta Appendix A: Potential savings from leakage management Appendix B: Meter installation design and schedule of materials for a zone/DMA meter Appendix C: Network records Appendix D: Conducting a water use audit Appendix E: Example training programmes