Given: Nwanedi Dam Catchment $($Example $3\mathrm{.}2$ on Textbook$)($Use MAP $=621$ mm $).$

Required: Calculate the Peak flood for a return period of $10,30,50,80$ and $100$ using:

a$)$ Dimensionless UH Method

$($b$)$ Hydrograph Analysis for $0\mathrm{.}5$ hr and $3$ hr duration

$($c$)$ SDF Method

$($d$)$ Franco$-$Rodier Equation

$($e$)$ Compare the results