Unless otherwise recommended by the geotechnical engineer or the engineering geology reports (or both) and approved by the city engineer, cuts slopes shall be no steeper than two horizontal to one vertical (2:1). All cuts and excavations shall conform to the provisions of this title and the Engineering and Construction Manual.
Exception: in the absence of an approved geotechnical engineering report, these provisions may be waived by the city engineer for minor cuts not intended to support structures.
A.
1½:1 Slope. A cut surface may be at a slope of one and one-half horizontal to one vertical (1½:1) provided that all the following are met:
B.
1:1 Slope. A cut surface in bedrock shall be permitted to be at a slope of one horizontal and one vertical (1:1).
(Ord. 13-01 § 4)