Author: Arun K. Deb
Publisher: American Water Works Association
ISBN: 1613001665
Category : Technology & Engineering
Languages : en
Pages : 144

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Author: Arun K. Deb
Publisher: American Water Works Association
ISBN: 9780898678222
Category : Water
Languages : en
Pages : 0

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Author: Helena Alegre
Publisher: IWA Publishing
ISBN: 1780406320
Category : Science
Languages : en
Pages : 404

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Book Description
The IWA Performance Indicator System for water services is now recognized as a worldwide reference. Since it first appearance in 2000, the system has been widely quoted, adapted and used in a large number of projects both for internal performance assessment and metric benchmarking. Water professionals have benefited from a coherent and flexible system, with precise and detailed definitions that in many cases have become a standard. The system has proven to be adaptable and it has been used in very different contexts for diverse purposes. The Performance Indicators System can be used in any organization regardless of its size, nature (public, private, etc.) or degree of complexity and development. The third edition of Performance Indicators for Water Supply Services represents a further improvement of the original manual. It contains a reviewed and consolidated version of the indicators, resulting from the real needs of water companies worldwide that were expressed during the extensive field testing of the original system. The indicators now properly cover bulk distribution and the needs of developing countries, and all definitions have been thoroughly revised. The confidence grading scheme has been simplified and the procedure to assess the results- uncertainty has been significantly enhanced. In addition to the updated contents of the original edition, a large part of the manual is now devoted to the practical application of the system. Complete with simplified step-by-step implementation procedures and case studies, the manual provides guidelines on how to adapt the IWA concepts and indicators to specific contexts and objectives. This new edition of Performance Indicators for Water Supply Services is an invaluable reference source for all those concerned with managing the performance of the water supply industry, including those in the water utilities as well as regulators, policy-makers and financial agencies.

Author:
Publisher: IWMI
ISBN:
Category :
Languages : en
Pages : 123

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Author: Wan Syakirah Zainal Abidin
Publisher:
ISBN:
Category : Wireless communication systems
Languages : en
Pages :

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Author: Arun K. Deb
Publisher: American Water Works Association
ISBN: 1583210334
Category : Water
Languages : en
Pages : 214

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Author: Ashkan Memari
Publisher:
ISBN:
Category : Automobile industry and trade
Languages : en
Pages : 148

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Author: Mahdi Moradi Jalal
Publisher:
ISBN: 9780494588185
Category :
Languages : en
Pages : 314

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Water supply and distribution infrastructures are vital for current life. They have a significant role in public health, providing safe water for drinking and human consumption as well as for essential non-potable uses such as fire fighting. These diverse objectives create challenges for everyone who must address in some way the actual performance of the system.A new approach, called a Risk-based Performance Assessment, for hydraulic performance evaluation is tentatively proposed. It is based on integration of reliability, resiliency, and vulnerability as three basic operational indices in the operation of WDS. Furthermore, the Total Life-cycle Cost evaluation approach is tentatively proposed based on considering all major costs of a WDS.This research critically evaluates all common objectives of conventional design approaches and evaluates the advantages and drawbacks of various performance measures. New ideas for a more realistic and comprehensive approach to the design, operation assessment of WDS are proposed.

Author: National Research Council
Publisher: National Academies Press
ISBN: 0309133955
Category : Science
Languages : en
Pages : 404

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Book Description
Protecting and maintaining water distributions systems is crucial to ensuring high quality drinking water. Distribution systems-consisting of pipes, pumps, valves, storage tanks, reservoirs, meters, fittings, and other hydraulic appurtenances-carry drinking water from a centralized treatment plant or well supplies to consumers' taps. Spanning almost 1 million miles in the United States, distribution systems represent the vast majority of physical infrastructure for water supplies, and thus constitute the primary management challenge from both an operational and public health standpoint. Recent data on waterborne disease outbreaks suggest that distribution systems remain a source of contamination that has yet to be fully addressed. This report evaluates approaches for risk characterization and recent data, and it identifies a variety of strategies that could be considered to reduce the risks posed by water-quality deteriorating events in distribution systems. Particular attention is given to backflow events via cross connections, the potential for contamination of the distribution system during construction and repair activities, maintenance of storage facilities, and the role of premise plumbing in public health risk. The report also identifies advances in detection, monitoring and modeling, analytical methods, and research and development opportunities that will enable the water supply industry to further reduce risks associated with drinking water distribution systems.

Author:
Publisher: IWMI
ISBN:
Category :
Languages : en
Pages : 24

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