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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 />(3) <br />a. Structures and facilities must comply with the following standards unless identified as <br />exempt in section 117-148(I) (exemptions): <br />1. ROS District: 35 feet. <br />2. RN District: 35 feet. <br />3. SR District: Height is determined by underlying zoning, provided the allowed <br />height is consistent with that of the mature treeline, where present, and existing <br />surrounding development, as viewed from the OWHL of the opposite shore. <br />b. Height is measured on the side of the structure facing the Mississippi River. <br />C. In addition to the conditional use permit requirements of section 117-148(c)(4), <br />(conditional and interim use permits) criteria for considering whether to grant a <br />conditional use permit for structures exceeding the height limits must include: <br />1. Assessment of the visual impact of the proposed structure on public river corridor <br />views, including views from other communities; <br />2. Determination that the proposed structure meets the required bluff and OHWL <br />setbacks; <br />3. Identification and application of techniques to minimize the perceived bulk of the <br />proposed structure, such as: <br />(i) Placing the long axis of the building perpendicular to the river; <br />(ii) Stepping back of portions of the facade; <br />(iii) Lowering the roof pitch or use of a flat roof; <br />(iv) Using building materials or mitigation techniques that will blend in with the <br />natural surroundings such as green roofs, green walls, or other green and <br />brown building materials; <br />(v) Narrowing the profile of upper floors of the building; <br />(vi) Increasing the setbacks of the building from the Mississippi River or <br />blufflines; <br />(vii) Identification of techniques for preservation of those view corridors <br />identified in the MRCCA plan; and <br />(viii) Opportunities for creation or enhancement of public river corridor views. <br />Structure and impervious surface placement. <br />a. Structures and impervious surface must not be placed in the shore or bluff impact zones <br />unless identified as an exemption in section 117-148(I) (exemptions). <br />b. Structures and facilities must comply with the following OHWL setback provisions <br />unless identified as exempt in section 117-148(I) (exemptions): <br />1. ROS District: 200 feet from the Mississippi River. <br />2. RN District: 100 feet from the Mississippi River and :75 I eetfeet I ,Ireng the Rum RiveF <br />C. Structures and facilities must comply with the following bluffline setback provisions <br />unless identified as exempt in section 117-148(I) (exemptions): <br />1. ROS District: 100 feet. <br />2. RN District: 40 feet. <br />3. SR District: 40 feet. <br />d. Where principal structures exist on the adjoining lots on both sides of a proposed <br />building site, the minimum setback may be altered to conform to the average of the <br />adjoining setbacks, provided that the new structure's scale and bulk riverward or <br />bluffward of the setbacks required under section 117-148(f)(3) (Structure and <br />impervious surface placement) consistent with adjoining development. See Figure 6. <br />Page 99 of 147 <br />