c$)$ A circular sedimentation tanks to bedesigned using following data. $[6]$ Sewage flow $=10$ MLD$,$ design size of suspended particles to be removed $=0\mathrm{.}06mm,$ specific gravity of solids $=1\mathrm{.}2,$ kinematic viscosity of sewage at $10C=1\mathrm{.}14{10}^{-6}\frac{m}{s},$ desired efficiency for removal of the particles of given size and above ~~$65\%,$ constant for performance of basin, $n=\frac{1}{4},$ detention time $=2\mathrm{.}4hrs.$ Determine i$)$ Required surface overflow rate ii$)$ Dimensions of sedimentation tank, weir overflow rate.