Design of A Water Transmission and Storage System for Sustainable Reuse of Wastewater Within A University Community

Adeyinka, M.O and Araoye, O and Akpan, V.E and Omole, D. O. and Elemile, Olugbenga O. Design of A Water Transmission and Storage System for Sustainable Reuse of Wastewater Within A University Community. IOP Conf. Series: Materials Science and Engineering.

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Abstract

This research is aimed at designing a wastewater transmission system from storage to treatment and, eventually to storage in an elevated steel tank. The work includes the design of a 750,000-litre capacity underground concrete reservoir and a 125,000-litre capacity elevated steel tank. For the transmission design, field activities involved the use of Magellan eXplorist 350H North America G.P.S. and Google Earth to determine coordinates of different points in a selected private university campus, southwest Nigeria as well as the lowest and the highest elevation points. The highest point in the university was located at the postgraduate hall of residence, and the lowest point was located at the schools constructed wetland within the campus. WaterCAD was used to design the flow path network, while the water storage design software used for this project are StaadPro.V8i, Orion 18, and AutoCAD 2013. StaadPro.V8i was employed for the analysis and design of the underground storage facility and the elevated steel tank, while the Orion software was utilized for concrete design and detailing of the underground storage facility. The results from all the design applications were exported to the AutoCAD environment for editing and proper scaling. This study has revealed that the construction of a 750 m³ underground storage tank would be highly efficient and economical when compared to a smaller tank. Also, both the hydrostatic forces acting internally within the underground tank and active and passive pressure acting externally toward the wall has shown to possess zero impact on the shear wall

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