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2/19/1999 DRAFT COPY OF PROPOSED NSA ORDINANCE <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />21 <br />22 <br />23 <br />24 <br />25 <br />26 <br />27 <br />28 <br />29 <br />30 <br />31 <br />32 <br />33 <br />34 <br />35 <br />36 <br />37 <br />38 <br />39 <br />40 <br />41 <br />42 <br />43 <br />44 <br />45 <br />46 <br />(1) Floodways: multiply the area within a floodway by a factor of 1.0. <br />(2) Wetlands: multiply the area of designated wetlands by a factor of 0.95. <br />(3) Major Rock Formations: multiply the area of major rock formations by a factor of <br />0.90. <br />(4) Steep Slopes: multiply the area of land with natural ground slopes exceeding 25 <br />percent by a factor of 0.80. <br />(5) Land traversed by high-tension electrical transmission lines (69kv or higher): <br />multiply the area within the power easement by a factor of 0.75. <br />(6) Floodplains: multiply the 100-year floodplain by a factor of 0.5. <br />(7) Moderately steep slopes: multiply the area with natural ground slopes of between 15 <br />and 25 percent by a factor of 0.4. <br />(8) Land traversed by underground utility lines (not within a street right of way): <br />multiply the area within the easement (or if no easement exists, the area within ten <br />feet on either side of the line) by a factor of 0.3. <br />(d) If the development is not to be served by OWASA owned water and sewer lines, then the <br />maximum number of dwelling units shall be determined in reference to an actual yield plan prepared by the <br />developer in accordance with the provisions of this- subsection. The yield plan shall be a conceptual layout <br />of a single family residential subdivision (containing proposed lots that meet the minimum lot size <br />requirements of the district where the property is located, streets, easements, and other pertinent features) <br />that could be developed within the tract in question in accordance with the provisions of this chapter. <br />Although the yield plan must be drawn to scale, it need not reflect any great. degree of site engineering. <br />However, it must be a realistic layout reflecting a development pattern that could reasonably be expected to <br />be implemented, taking into account the topography of the land and natural constraints, existing easements <br />and encumbrances, and the applicable provisions of this chapter, particularly those relating to open space, <br />recreational facilities, and street rights of way. In addition, the yield plan shall be prepared under the <br />assumption that each lot will be served with an individual septic tank located on the same lot as the house it <br />serves. The applicant shall submit evidence (in the form of a preliminary soils evaluation from Orange <br />County or comparable information from a qualified source) that there appears to be sufficient suitable soil <br />within each of the proposed lots to support a septic tank system serving at least athree-bedroom house. <br />When a yield plan meeting the requirements of this subsection has been submitted, the zoning administrator <br />shall confirm this in a letter to the developer, which letter shall indicate the maximum number of dwelling <br />units that can be developed on the tract in accordance with this subsection. <br />SECr10N 3. Section 15-198 is amended by making the following changes: <br />(a) Subsection 15-198(b) is amended by adding two new subsections as follows: <br />. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />4'age 3 of 35 <br />