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              Books by S. Harrison

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              A Complete History of the Great Flood at Sheffield on March 11 & 12, 1864 ...: to Which Are Added Official Lists of the Dead and Missing ... Official Returns Showing the Number of Buildings and Houses Destroyed and Injured in Each Locality
                

              A Complete History of the Great Flood at Sheffield on March 11 & 12, 1864 ...: to Which Are Added Official Lists of the Dead and Missing ... Official Returns Showing the Number of Buildings and Houses Destroyed and Injured in Each Locality (Trade Paperback / Paperback)

              Created by Harrison, S.

              • RRP: $43.99
              • $43.99
              • In Stock US

              This is a reproduction of the original artefact. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way the author intended. Since the original versions are generally quite old, there may occa...sionally be certain imperfections within these reproductions. We're happy to make these classics available again for future generations to enjoy!
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              ISBN 9780461333183
              Released NZ 21 Aug 2019
              Publisher Hardpress Publishing
              Interest Age General Audience
              Availability
              Internationally sourced; ships 6-12 working days
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              Verification and Control of Pressure Transients and Intrusion in Distribution Systems
                

              Verification and Control of Pressure Transients and Intrusion in Distribution Systems (Trade Paperback / Paperback)

              By Friedman, Melinda J.; Britton, Mike; Radder, L.; Harrison, S.; Howie, D.

              • Imp. $634.99
              • $634.99
              • No availability locally

              Sudden valve closures can create rapid changes in water velocity that result in transient pressure conditions. Pressure transients can travel throughout a distribution system and cause low or negative pressures. Contamination may occur if a leak or air-vacuum valve is submerged a...nd a low pressure wave passes through the pipeline. Pressure transients may be initiated by regular water distribution system operations. Therefore, pressure transients may occur frequently in certain water distribution systems. The objectives of this project were to verify that low and negative pressure transients actually occur in real distribution systems (not just within large transmission mains) and that they can cause contaminants external to the pipe to be intruded into a drinking water main through a leak or orifice. The research strategy for this project was divided into five primary tasks: (1) an expert panel workshop; (2) design and construction of a pilot-scale test rig and associated testing to measure intrusion volumes under various operating conditions; (3) field studies including pressure monitoring in seven full-scale distribution systems plus comparison of mechanical pen and chart recorders, data collected by SCADA systems, and high-speed data loggers; (4) evaluation of the capabilities of full-scale hydraulic surge modeling; and (5) development of a surge control program and control strategy guidelines.
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              ISBN 9781843398967
              Released NZ 1 Feb 2005
              Publisher IWA Publishing
              Interest Age General Audience
              Series Water Research Foundation Report Series
              Availability
              Internationally sourced; usually ships 2-3 weeks
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