$5-22$ Design a circular radial$-$flow sedimentation tank for a town with a projected population of $45,000.$ Assume that the wastewater flowrate is $400\frac{L}{?}$ capita $*d.$ Design for $2h$ detention at the average flow. Determine the tank depth and diameter to produce an overflow rate of $36\frac{m^3}{m^2}*d$ for average flow. Assume standard tank dimensions to fit mechanisms made in diameters with increments of $1\mathrm{.}0m$ and in depth increments of $0\mathrm{.}5$

$5-22$ Design a circular radial$-$flow sedimentation tank for a town with a projected population of $45,000.$ Assume that the wastewater flowrate is $400\frac{L}{?}$ capita $*d.$ Design for $2h$ detention at the average flow. Determine the tank depth and diameter to produce an overflow rate of $36\frac{m^3}{m^2}*d$ for average flow. Assume standard tank dimensions to fit mechanisms made in diameters with increments of $1\mathrm{.}0m$ and in depth increments of $0\mathrm{.}5m.m.$

$-23$

A rectangular settling