International Journal of Innovative Engineering, Technology & Science

Decision Support Framework Development for Flood Plains in Nigeria: A Risk Based Approach

Decision Support Framework Development for Flood Plains in Nigeria: A Risk Based Approach

Publication Date : 01/04/2016

Author(s) :

Ulasi, C. C, Ulasi, A. J.

Volume/Issue :
Volume 1
Issue 1
(04 - 2016)

Abstract :

Water we all know is the most vital and prominent need of man. However, its unbelievable effect in 2012 across the whole of West Africa showed that it can also cause untimely death, havoc, disaster and poverty when in excess. The Nigerian Hydrological Service Agency (NIHSA) prediction of flooding being the number one natural disaster if global temperature and climate changes continues on the rise came to reality in 2012 where over 23 states of the nation was ravaged by horrendous flooding. This was the worst in the history of the country’s existence. This was an eye opener to the African continent towards there planning applications for development of their various cities in flood zones and its degree of practice and effectiveness. SUDS (sustainable drainage system) and rainwater harvesting were aspects that couldn’t find its grip in the country’s flood management plan. Therefore, this work is focused on addressing those precarious situations by carrying out a risk assessment on Nigerian states sited on flood plains and producing a feasible flood management strategy and guideline to planners and developers using the Wales technical guideline planning policy for development and flooding (TAN 15) and NPPF (technical guidance to help local planning authorities implement national planning policy and framework superseded PPS 25) as guidelines to providing a standard guide for the developers and planners in the African continent. Good design principles and more sustainable drainage systems which are much suitable for the African environment is to be encouraged and adopted into practise by this work and total abolishment of the gutter and tunnel system.

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