No earth disturbance permit shall be issued for excavation, cutting, filling or grading to be made with a face steeper than three to one, except that the City Engineer may permit excavation, cut, fill or grading to be made with steeper face if an applicant demonstrates satisfactorily by means of appropriate soil exploration and analysis and the written certification of a professional engineer that the materials are capable of standing on a steeper slope without creating any of the hazards described in Sections 1339.02 and 1339.04.
(Ord. 2011-69. Passed 9-13-11.)