A. Slope. The slope of the bank in an excavation shall not be steeper than two (2) horizontal to one (1) vertical unless the stability of a steeper slope is certified by a qualified person, except the officer granting the permit may require slopes to be flatter if soil conditions appear to be unfavorable, or if an adjacent foundation or structure may be endangered. Steeper slopes may be permitted if expressly so provided in the permit.

B. Height. The vertical height of any excavated slope shall not exceed thirty (30) feet, measured from the toe of the slope to the highest natural ground on such slope.

C. Setback. Neither the top nor the toe of any excavation slopes shall be closer than two (2) feet to the property line. (Ord. 696 § 1 (part), 1983; Ord. 288 § 6A, 1962)