Determination of the Topography and Draining of the Site for the Benin City Bus Rapid Transit (BRT) Station
S. O. Eteje, Okpeahior Akugbe Cyril
Asian Journal of Advanced Research and Reports · pp. 48–63 · Published 9 Nov 2021
10.9734/ajarr/2021/v15i830418Abstract
The reconciliation of engineering designs that do not have survey information, that involve accurate configuration of the proposed constructions at their respective locations on-site requires first a topographic survey to obtain the perimeter survey plan, which in turn, shows the area, shape, perimeter and orientation of the site; spot heights plan showing the existing ground levels thereby used to decide on suitable gradients and determine appropriate finished ground surface, coordinates of the turning points of outlines of the proposed constructions and their respective elevations. For that reason, this study determines the topography and drains the site for the Benin City Bus Rapid Transit (BRT) station in Oredo Local Government Area of Edo State. A topographic survey was carried out to produce topographic plans. The accuracy of the survey was computed to determine its reliability. The perimeter survey plan was plotted using AutoCAD Civil 3D Land Desktop Companion 2009 to present the area, shape, perimeter and orientation of the site. The TIN method was used for the computation of the volume of earthworks. The existing and the finished ground surfaces, vector, as well as the flow direction plans, contour plans and the 3D surface maps were plotted using Surfer 11 to show graphically the existing and the proposed topography of the site. A network of drainages was established to drain the site. The study has shown that the site can be drained in two ways, into the moat behind it and existing drainage along Obakhavbaye.
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Cited by 2
Oraefo C. P., Ono M. N., Eteje S. O. · Journal of Geography, Environment and Earth Science International · 2024
Showing 1 of 2 known citations — external sources report more than can currently be individually listed.
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