1173.09 GRADES, ELEVATION DIFFERENTIALS, AND RETAINING WALLS.
   (a)   The grading of all building lots shall be such as to divert water away from buildings and to prevent standing water and soil saturation detrimental to structures, lot use, and surrounding property.
   (b)   All retaining walls shall be designed and built so as to safely resist lateral pressures of soil behind them and be safely supported by soil beneath them. Additionally, retaining walls shall be maintained in structurally sound, good and safe repair and shall not impair drainage or create negative impacts on any other lot. (Ord. 1166. Passed 9-24-01.)