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following: <br />(1) <br />assessment of the visual impact of the proposed building on <br />public river corridor views, using the methodology set forth <br />in the Mississippi National River and Recreation Area Visual <br />Resources Protection Plan, incorporated by reference, <br />including public river corridor views from other <br />communities; <br />(2) identification of techniques to minimize the perceived bulk <br />of the proposed building, such as: <br />a) placing the long axis of the building perpendicular to <br />the river; <br />b) stepping back of portions of the fagade; <br />c) narrowing the profile of upper floors of the building; or <br />d) increasing the setbacks of the building from the <br />Mississippi River and /or blufflines. <br />identification of techniques for preservation of view <br />corridors identified in the local government's plan; and <br />(4) opportunities for creation or enhancement of public river <br />corridor views. <br />(3) <br />Subp. 3. Location of structures. <br />A. Structures and impervious surfaces must not be located in the <br />shore impact zone and must meet the following setback <br />requirement from the ordinary high water level of the <br />Mississippi River and other waters within the Mississippi River <br />Corridor Critical Area, as specified for each district: <br />(1) CA -ROS: 200 feet from the Mississippi River and 150 feet <br />from the Minnesota and Vermillion Rivers; <br />(2) CA -RN: 100 feet from the Mississippi River and 75 feet from <br />the Rum River; <br />(3) CA -RTC: 75 feet from the Mississippi River, Crow River and <br />Rum River; <br />(4) CASR: 75 feet from the Vermillion River; <br />(5) CA -UM: 50 feet from the Mississippi and Rum Rivers; <br />(6) CA -UC: underlying zoning; and <br />(7) all other public waters within the Mississippi River Corridor <br />Critical Area are subject to underlying zoning. <br />B. Structures and impervious surfaces must not be located in the <br />bluff impact zone or the slope preservation zone and must meet <br />the following setback requirements from the bluffline and the <br />top of very steep slopes as specified for each district: <br />(1) CA -ROS: 100 feet; <br />(2) CA -RN: 40 feet; <br />(3) CA -RTC: 40 feet; <br />(4) CA -SR: 40 feet; <br />This subpart describes the structure setbacks <br />in each district from the ordinary high water <br />level of the Mississippi River and other rivers <br />tributary to the Mississippi River in the <br />MRCCA. It also clarifies that no structures are <br />allowed in the shore impact zone — while this <br />may seem obvious, since the shore impact <br />zone is half the specified setback distance, <br />some LGUs requested clarity on what could <br />and could not be placed in the shore impact <br />zone since it is not explicitly stated anywhere <br />in the rules. Table 1 also helps to clarify. <br />Structure setbacks from the OHWL vary by <br />district and river. Specific standards were <br />derived from E079 -19, existing standards in <br />local government ordinances, and existing <br />development patterns. <br />Revision: setback for CA -UC not required. — no <br />setback was specified for the current Urban <br />Diversified district in EO 79 -19. <br />Item B lists the setbacks from bluffs in each <br />district, and also clarifies that no structures <br />are allowed in bluff impact zones or slope <br />preservation zones. <br />Working Draft Rules <br />MRCCA Working Draft Rules — DNR, June 2, 2014 <br />27 <br />Commentary /Rationale for Changes <br />