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Paper Description


Development of a Geoinformatics Implementation Approach Using Wireless Noise Sensors for Unseen Leakage Detection in Water Distribution Network in the Kingdom of Bahrain


Authors: Suad A.S. Khalaf, Ali El Battay, Alaa El Sadek and Waleed K. Zubari
Abstract: Unseen Leakage problem is one of the most important causes of water loss in water distribution networks systems. This study covered broadly the problem of Non Revenue Water due to the unseen leakages in the water distribution networks in the kingdom of Bahrain. Most specifically, a simulation of where to install Water Noise Sensors (Premalog +) in water distribution network was studied. These type of loggers might be installed mainly on valves, fire hydrants or zone meters with a sensitivity distance of 200 meters. Using Electricity and Water Authority's geodatabase, maps of all potential logger locations was produced in the study area of Mahoz. 21 potential locations to install the used type of WNS were identified. The next step was to develop an approach to generate semi-automatically, using ArcGIS 10.2, a map of optimal logger’s locations and to determine the most critical location over study site. Two techniques were compared in the optimization phase; point distance vs. route distance. Therefore, in Mahoz site, three locations were retained as optimal locations with coverage of 98% of the water distribution network without any overlap with adjacent zones. The critical location was determined with coverage of 71% of the network using only one logger! It was revealed that the route distance method of optimization is more reliable than the point distance one; however the last one has the potential to be more easily implemented on large scale over the whole Water Distribution Network in the Kingdom of Bahrain with acceptable accuracy.

KEYWORDS: Geodatabase, water distribution network, Potential Loggers' Locations, Optimal Loggers' Locations, Critical Logger Location, point distance, network distance, ArcGIS 10.2

Published in: International Journal of Geosciences and Geomatics, ISSN 2052-5591;Vol 2 (Issue 2):Page 93 - 98
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