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C. Site "Suitable Area" Evaluations: Proposed new or <br />expansions to existing planned unit developments must be <br />evaluated using the following procedures and standards to <br />determine the suitable area for the dwelling <br />unit /dwelling site density evaluation in Section <br />917.110.F of this Ordinance. <br />1. The project parcel must be divided into tiers by <br />locating one or more lines approximately parallel <br />to a line that identifies the ordinary high water <br />level at the following intervals, proceeding <br />landward. <br />Shoreland Tier Dimensions <br />General Development Lakes - <br />First Tier <br />Second and Additional Tiers <br />Recreational Development Lakes <br />Sewered <br />(feet) <br />200 <br />200 <br />267 <br />2. The suitable area within each tier is next <br />calculated by excluding from the tier area all <br />wetlands, bluffs, or land below the ordinary high <br />water level of public waters. This suitable area <br />and the proposed project are then subject to either <br />the residential or commercial planned unit <br />development density evaluation steps to arrive at <br />an allowable number of dwelling units or sites. <br />D. Residential and Commercial PUD Density Evaluation: The <br />procedures for determining the "base" density of a PUD <br />and a density increase multipliers as follows. Allowable <br />densities may be transferred from any tier to any other <br />tier further from the waterbody, but must not be <br />transferred to any other tier closer. <br />1. Residential PUD "Base" Density Evaluation. <br />a) The suitable area within each tier is divided <br />by the single residential lot size standard <br />for lakes, unless the local unit of government <br />has specified an alternative minimum lot size <br />for rivers which shall then be used to yield a <br />base density of dwelling units or sites for <br />each tier. Proposed locations and numbers of <br />dwelling units or sites for the residential <br />planned until developments are then compared <br />with the tier, density, and suitability <br />analysis herein and the design criteria in <br />Section 917.110.F of this Ordinance. <br />42 <br />Page 69 <br />