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Policies,Practices,Programs,Regulations and Activities Document Effectiveness Rationale for <br /> (Existing and potential) Reference for Mitigation Effectiveness <br /> (Include page (High/Medium <br /> numbers or /Low/Not <br /> Other Source) Effective) <br /> Notes:gaps, <br /> shortfalls, <br /> conflicts,or <br /> 0 ortunities <br /> RR districts is developed under circumstances requiring the density of within flood <br /> the issuance of a special or conditional use permit,the development in hazazd areas <br /> maximum number of dwelling units that may placed on relation to the <br /> that tract shall be deternuned in accordance with the land's ability to <br /> provisions of this section. support <br /> development. <br /> (b) ff the development is to be served by OWASA owned The need to <br /> water and sewer lines,then the maximum number of utilize less <br /> dwelling units for any type of residential development suitable areas is <br /> shall be determined by dividing the adjusted tract acreage reduced and the <br /> [calculated in accordance with the provisions of potential to <br /> subsection(c)below]by the"minimum square feet per preserve hazard <br /> dwelling unit"associated with the zoning district of the areas such as <br /> property to be developed as set forth in Section 15-182. flood ways and <br /> (AMENDED 06/22/99) flood plains is <br /> enhanced. <br /> (c) The adjusted tract acreage shall be calculated by <br /> deducting from the gross acreage of the tract the sum <br /> total of each of the following areas that may be located <br /> within the tract in question. If an azea within the tract <br /> qualifies under more than one of the following <br /> categories,then that area shall be included only within <br /> the one category that involves the most restrictive(i.e. <br /> the greatest)deduction. <br /> (1) Floodways: muldply the area within a floodway <br /> by a factor of 1.0. <br /> (2) Wetlands: multiply the azea of designated <br /> wetlands by a factor of 0.95. <br /> (3) Major Rock Formations:multiply the area of <br /> major rock formations by a factor of 0.90. <br /> (4) Steep Slopes:multiply the azea of land with <br /> natural ground slopes exceeding 25 percent by a <br /> factor of 0.80. <br /> (5) Land traversed by high-tension electrical <br /> transmission lines(69kv or higher):multiply the <br /> area within the power easement by a factor of <br /> 0.75. <br /> (6) Floodplains: multiply the 100-year floodplain by <br /> a factor of 0.5. <br /> (7) Moderately steep slopes:multiply the azea with <br /> natural ground slopes of between 15 and 25 <br /> rcent b a factor of 0.4. <br /> 107 <br />