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<br />the issuance of construction permits, grading and filling permits, <br />conditional use permits, variances and subdivision approvals: <br /> <br />(I) Grading or fIlling in any wetland must have apermit from the Rice <br />Creek Watershed District. <br /> <br />(2) Alterations must be designed and conducted in a manner that <br />ensures only the smallest amount of bare ground is exposed for <br />the shortest time possible; <br /> <br />(3) Mulches or similar materials must be used, where necessary, for <br />temporary bare soil coverage, and a permanent vegetation cover <br />must be established as soon as possible; <br /> <br />(4) Methods to minimize soil erosion and to trap sediments before <br />they reach any surface water feature must be used; <br /> <br />(5) Altered areas must be stabilized to acceptable erosion control <br />standards consistent with the fIeld office technical guides of the <br />local soil and water conservation districts and the United States <br />Soil Conservation Service; <br /> <br />(6) Fill or excavated material must not be placed in a manner that <br />creates an unstable slope; <br /> <br />(7) Plans to place fIll or excavated material on steep slopes must be <br />reviewed by qualifIed professionals for continued slope stability <br />and must not create fInished slopes of 30 percent or greater; <br /> <br />(8) Fill or excavated material must not be placed in bluff impact <br />zones; <br /> <br />(9) Any alterations below the ordinary high water level of public <br />waters must fIrst be authorized by the commissioner under <br />Minnesota Statutes, 103G.245; <br /> <br />(10) Alterations of topography must only be allowed if they are <br />accessory to permitted or conditional uses and do not adversely <br />affect adjacent or nearby properties; and <br /> <br />(II) Placement of natural rock riprap, including associated grading of <br />the shoreline and placement of a fIlter blanket, is permitted if the <br />fInished slope does not exceed three feet horizontal to one foot <br />vertical, the landward extent of the riprap is within ten feet of the <br />ordinary high water level, and the height of the riprap above the <br />ordinary high water level does not exceed three feet. <br /> <br />- 15 - <br />