This research was aimed at determining the meter accuracy degradation profiles and rates and testing them with the optimal consumption patterns using the comparative billing analysis methodology for 2 meter models (Model 1 and Model 2) of volumetric type and one model (Model 3) of velocity type of size 15 mm which are the most dominant in the Kampala water distribution system (KWDS), Uganda, by applying statistics. The meter accuracy degradation rates were determined as 6.67% per year for Model 1, 4.68% per year for Model 2, and 1.45% per year for Model 3 meters. Annual water losses due to meter inaccuracies were 24.1 m3 for Model 1, 16.9 m3 for Model 2, and 5.3 m3 for Model 3, totaling to US$1.5 million every year. This study recommends that degradation rates are used to determine the optimal meter replacement period, and Model 3 meters are the most suitable meters for the KWDS.
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June 2015
This article was originally published in
Journal of Water Supply: Research and Technology-Aqua
Article Contents
Research Article|
April 11 2015
Determination of domestic water meter accuracy degradation rates in Uganda
Deanroy Mbabazi;
Deanroy Mbabazi
1Department of Agricultural and BioSystems Engineering, Makerere University, P.O. Box 7062, Kampala, Uganda
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Noble Banadda;
Noble Banadda
1Department of Agricultural and BioSystems Engineering, Makerere University, P.O. Box 7062, Kampala, Uganda
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Nicholas Kiggundu;
1Department of Agricultural and BioSystems Engineering, Makerere University, P.O. Box 7062, Kampala, Uganda
E-mail: [email protected]
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Harrison Mutikanga;
Harrison Mutikanga
2National Water and Sewerage Corporation, P.O. Box 70255, Kampala, Uganda
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Mohammed Babu
Mohammed Babu
2National Water and Sewerage Corporation, P.O. Box 70255, Kampala, Uganda
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Journal of Water Supply: Research and Technology-Aqua (2015) 64 (4): 486–492.
Article history
Received:
June 25 2014
Accepted:
March 03 2015
Citation
Deanroy Mbabazi, Noble Banadda, Nicholas Kiggundu, Harrison Mutikanga, Mohammed Babu; Determination of domestic water meter accuracy degradation rates in Uganda. Journal of Water Supply: Research and Technology-Aqua 1 June 2015; 64 (4): 486–492. doi: https://doi.org/10.2166/aqua.2015.083
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