Decreasing Leakage and Operational Cost for BBLAWN
Publication: Journal of Water Resources Planning and Management
Volume 142, Issue 5
Abstract
The solution approach proposed in this paper is on the basis of trial-and-error methodology, using heuristic methods with simulation at the battle of background leakage assessment for water networks (BBLAWN). To achieve the optimal solution, customized researched tools were developed for water distribution system (WDS) optimization. These include subroutines for: optimization of water tanks levels to switch pumps on and off; estimation of the influence of the pressure-reducing valves (PRVs) on leakages, to make a decision whether there is a justification for adding a PRV to a pipe or not; calculation of leakages under different conditions; and replacing old pipes with new ones. For design decisions, commercially available tools were also used, carrying out comparison of various network structures (parallel pipe alternatives). The final result included the installation of 80 PRVs, the replacement of 370 pipes, and the change of 2 pump elements; the pumping schedule, on the basis of water tank levels, was also optimized.
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Acknowledgments
This work was supported by the institutional research funding IUT (IUT19-17) of the Estonian Ministry of Education and Research. The authors acknowledge the help provided by the late Professor Tiit Koppel in the preparation of this research study.
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Information & Authors
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Published In
Journal of Water Resources Planning and Management
Volume 142 • Issue 5 • May 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Jan 30, 2015
Accepted: Sep 1, 2015
Published online: Oct 12, 2015
Discussion open until: Mar 12, 2016
Published in print: May 1, 2016
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