Estimation of storage tank capacities for different roofing areas for rainwater harvesting in Dodoma urban, Tanzania

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dc.contributor.authorMdee, Ombeni J.
dc.contributor.authorTembo, Malugu M.
dc.contributor.authorMwegoha, William J. S.
dc.date.accessioned2023-05-25T11:50:12Z
dc.date.available2023-05-25T11:50:12Z
dc.date.issued2022
dc.descriptionAbstract. Full text article available at https://doi.org/10.52339/tjet.v41i2.784en_US
dc.description.abstractThis study uses a mass balance model and economic analysis technique to present an estimation of roofing areas and storage tank capacity for Rainwater Harvesting (RWH) system. The water-saved benefits were estimated using the monthly rainfall of over 39 years from 1981 to 2020 and five roofing areas. The proposed roof-storage-ratio method presents the minimum requirement of roof area and storage tank size when the ratio value is closer to 1. The benefit-cost ratio and percentage of reliability indicated the optimal roofing areas ranging between 200 and 300 m2 for storage tank capacity between 20 and 25 m3, with a minimum discount rate of 5%. The increased capacity of storage tank and roofing area would also be a potential factor to increase the investment cost for installing the RWH system.en_US
dc.identifier.citationMdee, O. J., Tembo, M. M., & Mwegoha, W. J. (2022). Estimation of storage tank capacities for different roof catchment areas for rainwater harvesting in Dodoma Urban, Tanzania. Tanzania Journal of Engineering and Technology, 41(2).en_US
dc.identifier.otherDOI: https://doi.org/10.52339/tjet.v41i2.784
dc.identifier.urihttp://hdl.handle.net/20.500.12661/4000
dc.language.isoenen_US
dc.publisherUniversity of Dar es Salaamen_US
dc.subjectRainwater harvestingen_US
dc.subjectRoofing areaen_US
dc.subjectStorage tanken_US
dc.subjectRainwateren_US
dc.subjectRainwater harvesten_US
dc.subjectDodomaen_US
dc.subjectTanzaniaen_US
dc.titleEstimation of storage tank capacities for different roofing areas for rainwater harvesting in Dodoma urban, Tanzaniaen_US
dc.typeArticleen_US
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