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City of Arden Hills Chapter 15 Erosion and Sediment Control Ordinance <br />stream corridors to manage storm water at its source. Other practices include <br />clustering and concentrating development, minimizing disturbed areas, and reducing <br />the size of impervious areas. <br />B. Structural BMP: a physical device that is typically designed and constructed to trap <br />or filter pollutants from runoff, or reduce runoff velocities. <br />Subd. 2 Bluff. A topographic feature such as a hill, cliff, or embankment having the <br />following characteristics (an area with an average slope of less than 18 percent over a <br />distance for 50 feet or more shall not be considered part of the bluf�: <br />A. Part or all of the topographic feature is located in a shoreland area; <br />B. The slope rises at least twenty five (25) feet above the ordinary high water level of <br />the waterbody; <br />C. The grade of the slope from the toe, or bottom, of the bluff to a point twenty five (25) <br />feet or more above the ordinary high water level averages thirty percent (30%) or <br />greater; and <br />D. The slope must drain toward the waterbody. <br />Subd. 3 Certificate of Completion. The certificate issued after the final inspection of the <br />site has been completed, temporary erosion control has been removed and the site has been <br />fully restored. <br />Subd. 4 Clearing and grubbing. The cutting and removal of trees, shrubs, bushes, <br />windfalls and other vegetation including removal of stumps, roots, and other remains in the <br />designated areas. <br />Subd. 5 Erosion. Any process that wears away the surface of the land by the action of <br />water, wind, ice, gravity and/or land disturbance activities. Erosion can be accelerated by the <br />activities of man and nature. <br />Subd. 6 Erosion and Sediment Control Plan (Plan) is a plan which includes a set of best <br />management practices or equivalent measures designed to control surface runoff and erosion <br />and to retain sediment on a particular site during the period in which pre-construction and <br />construction related land disturbances, fills, and soil storage occur, and before final <br />improvements are completed, all in accordance with the specific requirements set forth in <br />Section 1520. This Plan shall also include permanent measures and Best Management <br />Practices to control post-construction surface runoff and sediment. <br />Subd. 7 Erosion and sediment control practice specifications and erosion and sediment <br />control practices. The management procedures, techniques, and methods to control soil <br />erosion and sedimentation as officially adopted by the City. <br />1500 - 2 <br />