Each portion of the storm water system of drainage channels and ditches shall be capable of handling the peak flows as determined by the proper method previously described in §§ 154.035 through 154.038 of this chapter. Manning’s Equation is recommended to calculate the flow rates. Typical roughness coefficients may be found in the Louisville Metropolitan Sewer District Design Manual.
(Ord. 012-118, passed 10-8-2012)