DESIGN OF IMPROVED STORMWATER MANAGEMENT SYSTEM FOR THE FEDERAL UNIVERSITY OF TECHNOLOGY AKURE
DOI:
https://doi.org/10.4314/njt.334.847Abstract
Stormwater management is becoming a problem in many cities due to rapid urbanization and poor infrastructure. Proper drainage system conveys stormwater from the road to a suitable disposal area. FUTA is well planned with good networks of roads. However, many of them are without functioning drains. The paper presents a pragmatic approach to the design of an improved stormwater management in FUTA. The entire catchment area was divided into subcatchments that form the designated units for data collection. The result of the field work showed that over half (57.31%) of the drainage area are grass land and the paved road covered 10.96%. the unpaved road and built up area covered 10.29% and 9.76% respectively. Others areas are thick forest (7.66%) and rock area (4.02%). The design of stormwater collection systems were based on the principles of hydraulics as explained by Manning. The drain size was based on the maximum discharge from each subcatchment and the time of concentration computed with Kirpich’s formula. If this design is implemented, common flash flood and siltation along roads in FUTA will be completely eliminated.
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