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A. Slope shall be determined for each significant portion of a development parcel.

B. Procedure: The applicant shall map the location of the natural slope by using the following procedure:

1. Preparation of Contour Maps: The applicant shall submit an accurate, current contour map, prepared and certified by a licensed professional engineer or surveyor, which shows all land contours at intervals no greater than five feet (5'), drawn at a one inch equals one hundred feet (1" = 100') scale maximum.

2. Verification through Field Surveys: The city engineer or designee may require the applicant to submit a field survey to verify the accuracy of the contour map.

C. Determination of Slope Areas: Using the contour map, natural slopes shall be calculated using points identified as natural slopes of twenty percent (20%), thirty percent (30%), and forty percent (40%), and shall be located on the contour map and connected by a continuous line. That area bounded by said lines and intersecting property lines shall be used for determining project density. Small washes or outcrops, which have slopes distinctly different from surrounding property, and are not part of the contiguous topography, may be excluded from the slope determination. (Ord. 2019-10-002, 10-10-2019)