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<br />concentrate~1. Construction grading should be kept mindful of the areas where surface <br />drainage to the wetland will likely be concentrated and graded appropriately. <br /> <br />Subd. 5. Vohintary Buffer Creation. \Vetland buffer strips not required <br />, by this Section may be voluntarily created in conformance with the requirements of this <br />Section concurrent with approval of a site plan, or in the absence of a site plan, upon <br />approval of an administrative permit. <br /> <br />Subd.6. Wetland Buffer Widths and Setbacks. Wetland Buffer widths <br />arid setbacks for the various Wetland Management Classifications are as shown on the <br />following t.able: <br /> <br />Management Classification Preserve Manage Manage Manage <br /> 1 2 3 <br />Wetland Buffer Strip Min. Width 25' 20' . 15' 5' <br />Wetland Buffer Strip Max. Width* 50' 30' 25' 15' <br />Wetland Buffer Strip Average Width 30' 25' 20' 10' <br />Min. Structure Setback from Buffer 15' 15' 15' 15' <br />Strip * * <br /> <br />* Buffer widths in excess of the listed maximums shall not be used in calculating the <br />average buffer width. <br /> <br />** These setbacks shall take precedence over other setbacks required in this Chapter. <br /> <br />9.26.07. <br /> <br />Variances <br /> <br />- . <br />. Subd. 1. Variance Requirements. A variance will be required to install <br />and/or \maintain a narrower wetland buffer strip than required by this section. The <br />variance shall be processed in accordance with the procedures established in Section <br />9.03.07 of Chapter 9. Criteria governing consideration ofa variance requestto reduce the <br />minimum wetland buffer strip width requirements shall include, but not be limited, to the <br />following: <br /> <br />a. Whether the variance will have the effect of allowing a use that is <br />prohibited in the applicable zoning district. <br /> <br />b. Whether the variance will impair established property values <br />within the neighborhood. . <br /> <br />c. Whether the variance will violate the intent and purpose of the <br />Comprehensive Plan. . <br /> <br />-145- <br />