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Figure 3, on the following page, shows the 25-percent slope as a one unit rise over <br /> a four unit run. <br /> r; \ 100% (43•) <br /> T . 75% (36.87 °) <br /> 50% (26.57 ') <br /> 1 40% (21.80°) <br /> 30% (16,70') 25% Slope <br /> 20% (11.31 ') (14.00) <br /> _�-- i- 10% (5.71 °) <br /> �� ----~ 1 unit rise <br /> 1-0% (0°) <br /> — grade — angle 4 unit run <br /> Figure 3: 25-percent slope. <br /> 18.70.060 Required Information. <br /> Any commercial development or residential development of 11 units or greater for <br /> properties which have land areas containing 25-percent or steeper slopes shall be accompanied <br /> by data prepared by a registered Civil Engineer, or by a registered Land Surveyor at the <br /> discretion of the Community Development Director, or his or her designated representative. <br /> The following data shall be in addition to the information required by this title for <br /> applications for Design Review, Planned Unit Development, and Major Modifications of Planned <br /> Unit Developments: <br /> A. Contour map/topographic map drawn to the following scale based on property size with <br /> the following information clearly shown on the map: <br /> Property Size: Scale: <br /> Less than 2.0 acres 1-inch = 20 feet. <br /> 2.01 acres to 20 acres 1-inch = 50 feet. <br /> Over 20 acres 1-inch = 100 feet. <br /> 1. Existing contour lines prior to grading at an interval of not more than two feet; <br /> 2. Slope classifications in contrasting colors of all land that has a slope less than 10 <br /> percent, land that has a slope between 10 percent and 20 percent, land that has a <br /> slope between 20 percent and 25 percent, and land that has a slope greater than <br /> 25 percent; <br /> 3. Location of all ridgelines as defined under Section 18.70.05043. on the property <br /> and the 100-foot ridgeline setback as described in Section 18.70.070A.; <br /> 7 <br />