(a)
Adequate provisions shall be made to prevent any surface waters from damaging the cut face of an excavation or sloping surface of a fill. Retaining walls or cribbing constructed in accordance with the requirements of the City Engineer shall be used wherever necessary to prevent the surface of any excavation or fill from exceeding at any point the maximum allowable slopes set forth herein.
(b)
All draining provisions shall be of such design as to carry surface waters to the nearest practical storm drain, natural watercourse, or street approved by the City Engineer as a safe place to deposit and receive such waters.
(Ord. 242 Div. 2 (part), 1986)