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Shore Impact Zone <br />The land along the water's edge is environmentally <br />sensitive and needs special protection from <br />development and vegetation removal. The shore <br />impact zone is a "buffer" area between the water's <br />edge and the area where development is permitted <br />(see Figure 11). Proposed Minn. R. 6106.0050, subp. <br />68. The shore impact zone is the focus of many of the <br />MRCCA rule standards for land alteration and <br />vegetation management. This definition establishes <br />defined boundaries for the shore impact zone, which <br />are derived from the state shoreland rules. Minn. R. <br />6120.2500, subp. 14.c. (2015). The term is used in the <br />proposed structure location standards, vegetation <br />management standards, and land alteration standards <br />in proposed Minn. R. 6106.0120, subp. 3, 6106.0150, <br />subp. 2, and 6106.0160, subp. 2.C., respectively. <br />OHWL <br />Structure <br />Setback <br />Ordinary <br />High Water <br />Level <br />(OI WL) <br />Shore Impact <br />Zone <br />(50% structure <br />setback) <br />Figure 11. Shore impact zone diagram. <br />Shoreline Facilities <br />The term shoreline facilities is used to clarify what types of facilities are river -dependent and require a <br />riverfront location, consistent with the economic purposes of the river corridor as described in <br />Minnesota Statutes, § 116G.15 (2015). The term is used in several parts of the draft rules, including the <br />proposed design standards for river -dependent uses in proposed Minn. R. 6106.0110, subp. 6, and the <br />proposed list of exceptions to the ordinary high water level (OHWL) setbacks in proposed Minn. R. <br />6106.0180. <br />Steep Slope <br />A steep slope is a natural topographic feature with an average slope of 12 -18 percent measured over 50 <br />feet or more. Proposed Minn. R. 6106.0050, subp. 72. This term has a specific definition because <br />protections afforded steep slopes differ from those established for bluffs. Executive Order 79-19 <br />includes performance standards that govern development on slopes between 12-18 percent, and similar <br />standards are proposed in proposed Minn. R. 6106.0160, subp. 8. The 50-foot horizontal measurement <br />is a commonly used standard and ensures that minor undulations in the landscape are not regulated as <br />steep slopes. The use of the term "natural" also ensures man-made features such as road <br />embankments are not treated as steep slopes for regulatory purposes under the proposed MRCCA rules. <br />Structure <br />The definition of structure is derived from the state wild and scenic river management rules. Minn. R. <br />6105.0040, subp. 23 (2015). A structure includes buildings, signs, and appurtenances with some limited <br />exceptions. Proposed Minn. R. 6106.0050, subp. 74. This definition is used to define buildings, signs and <br />appurtenances that will be subject to the proposed dimensional standards in proposed Minn. R. <br />6105.0120. <br />34 <br />