1117.09 STORM DRAINAGE.
    (a)    A storm drainage system, designed in accordance with the Hamilton County Stormwater Management requirements, shall be constructed in each new subdivision. Also, a flood routing plan, for times when the storm sewer system is inadequate, shall be incorporated into any new subdivision.
    (b)    The City may allow deletion of the retention pond provision, provided that an adequate drainage substitute is devised by the subdivider and is approved by the City Engineer.