QUESTION $2[18$ Marks$]$

ELO QUESTION

The folowing information $($Table $1)$ is available for a proposed new dam site in Durban Area.

When the reservoir level was at $432\mathrm{.}5$ m $,$ the following flood hydrograph entered the reservoir:

$2\mathrm{.}1($a$)$ Determine the bathymetric constants $\backslash ($ a $\backslash )$ and $\backslash ($ b $\backslash ).$

$($b$)$ how much water stored between $546$ m and $550$ m contours

Hydraulics HMG$3$B $($Summer$)$

$2\mathrm{.}2($a$)$ Route the flood using Level Pool Method.

$($Assume reservoir was empty initially$)$

$($b$)$ Estimate the flood attenuation and lag times