An Underground Based Municipal Water Supply System for a Rural Community

Aiyelokun Oluwatobi, Akintunde Ojelabi, Abiola Olaniyi


Efforts at enhancing efficient public water supply is never complete until every citizen or inhabitants of a particular place have unhindered access to potable and safe water. This study was concerned with the design of a rural water supply system in Oke-Eri community, Ogun State, Nigeria. Based on recommendation from water quality evaluation of the different sources in the study area, boreholes were deem fit for the supply of potable water for the inhabitant of the study area. Other functional components of the water supply system were estimated, while the dead end method oriented pipe network analysis was done with the use of WaterCAD. The result of the design shows that all the pipes had low velocity, all node expect node J-1 and J-2 had pressure value below 240 kPa. The water supply system was designed to meet the average per capital consumption of 100 l/s for the design life up to 2030. The system is supposed to run for 24 hours, which will be balanced by pumping twice a day. Since the demand pattern is expected to change due to future population growth it is necessary to periodically re-assess the operational control parameter of the system such pressure, flow and pipe diameter. A preliminary total cost of eighteen million, one hundred and four thousand, eight hundred and forty-nine Naira, eight Koko (18,104,849.8) would be required for the project, which will elapse at the end of the design period in the year 2030. In conclusion, the proposed system if implemented would provide solution to the problems of water supply and sanitation in the study area.

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