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work authorized by the permit shall be denied a grading, grubbing, or stockpiling permit <br />for such work until the permittee has complied and initiated action satisfactory to the <br />director of public works to comply with the provisions of this chapter. <br />Article 3. Conditions and Specifications. <br />Section 10-18. Conditions of permit. <br />(a) The requirements of this section may be waived by the director of public works after the <br />permittee submits an engineer's soils report substantiating data regarding the stability of <br />the cut or fill slopes without complying with any of the requirements therein. <br />(1) Height. Where a cut or fill is greater than fifteen feet in height, terraces or <br />benches shall be constructed at vertical intervals of fifteen feet except that where <br />only one bench is required, it shall be at the midpoint. The minimum width of <br />such terraces or benches shall be eight feet or as determined by the director of <br />public works, based upon the type of material encountered and shall have suitable <br />drainage provisions to control erosion on the slope face. <br />(2) Cut slopes. Under the following soil conditions, no cut may be steeper in slope <br />than the ratio of its horizontal to its vertical distance as shown below: <br />horizontal to 1 vertical in unweathered rock; <br />1% horizontal to 1 vertical in decomposed rocks or rock and soil <br />mixture; <br />2 horizontal to 1 vertical in low plasticity soils; <br />3 horizontal to 1 vertical in high plasticity soils for cuts up to five feet <br />in vertical depths. <br />Slopes for cuts exceeding this depth shall be as recommended in the engineer's <br />soils report. <br />(3) Fill slopes. Under the following soil conditions, no fill may be steeper in slope <br />than the ratio of its horizontal to its vertical distance as shown below: <br />1'/z horizontal to 1 vertical in rock and soil mixture; <br />2 horizontal to 1 vertical in low plasticity soils; <br />3 horizontal to 1 vertical in high plasticity soils for fills up to five feet <br />in vertical height. <br />Slopes for fills exceeding this height shall be as recommended in the engineer's <br />soils report. <br />Section 10-19. Distance from property line of cut or fill slope. <br />(a) The horizontal distance from the top of a cut slope or the bottom of a fill slope to the <br />adjoining property line shall be as follows: <br />Height of Cut or Fill Distance from Property Line <br />(in feet) <br />Zero feet to 4 feet 2 <br />More than 4 feet to 8 feet 4 <br />More than 8 feet to 15 feet 6 <br />More than 15 feet 8 <br />-13- <br />