Water Mains & Services & Leakage
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Evaluation of Welding & Jointing of Plastic Pressure Pipes
Price: £100
Ref: 01/WM/02/15
ISBN: 1 84057 240 X
Welding criteria for PE systems have been evaluated by analysis of thermal data to try to reduce heating/cooling cycles and thus speed up jointing where butt fusion is used. A new harmonised set of welding conditions have been evolved which should allow the same conditions to be used for both gas and water pipe installations. Also, the new ‘Fastweld’ process which allows for reduced has been thoroughly investigated and new conditions devised to allow reduced cycle welds to be made with the same physical conditions as standard joints. Welds made in a full range of PE80 and PE100 pipes from 90mm to 400mm diameter have been tested at both 20°C and –5°C. The toughness of welds has been found to be satisfactory for all wall thicknesses up to 30mm. A full assessment of the welding properties of ‘Profuse’ PE pipe with an external PP skin has been made. Jointing of the pipe has been found to be totally satisfactory by both butt fusion and electrofusion welding. With electrofusion fitti
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Understanding Burst Rate Patterns of Water Pipes
01/WM/02/16 - ISBN: 1 84057 242 6A range of different water companies have supplied UKWIR with their pipe burst data for the last few years and these have been combined into one �national� database. The level of detail in some of the data from smaller co... More...
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Performance of Electrofusion Joints for PE Pipes
99/WM/02/10 - ISBN: 1 84057 153 5The large number of service failures of electrofusion joints remains of prime concern to UK water industry. This investigation combines the findings of two year's work looking at the effects of site conditions, joint preparat... More...
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Towards Best Practice for the Assessment of Supply Pipe Leakage
05/WM/08/32 - ISBN: 1 84057 397 XA supply pipe leakage estimate is required for regulatory reporting. However, a more detailed understanding of proportion of total leakage that is associated with supply pipes will also improve operational allocation of le... More...
Price: £200
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Service Pipe Leakage
02/WM/08/28 - ISBN: 1-84057-278-7Leaks from services pipes account for a significant proportion of unaccounted for water in UK water distribution networks. This report covers various aspects of the subject looking principally at detection and location metho... More...
Price: £100
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The Environmental and Social Value of Leakage Reduction
99/WM/08/24 - ISBN: 1 84057 161 6This research develops a methodology for incorporating environmental and social costs and benefits into the evaluation of water management options. Approaches to valuing changes in external costs are developed. In addition, ... More...
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