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Attachment C Section 1510 - Definitions 1510.01 Definitions. For the purposes of this ordinance, the following terms have the meanings given them in this section: • Best Management Practices (BMP). Schedules of activities, prohibitions of practices, general good housekeeping practices, pollution prevention and educational practices, maintenance procedures, and other management practices to prevent or reduce the discharge of pollutants directly or indirectly to stormwater, receiving waters, or stormwater conveyance systems. BMPs also include treatment practices, operating procedures, and practices to control site runoff, spillage or leaks, sludge or water disposal, or drainage from raw materials storage. • Non-structural BMP: Practices that focus on preserving open space, protecting natural systems, and incorporating existing landscape features such as wetlands and stream corridors to manage storm water at its source. Other practices include clustering and concentrating development, minimizing disturbed areas, and reducing the size of impervious areas. • Structural BMP: a physical device that is typically designed and constructed to trap or filter pollutants from runoff, or reduce runoff velocities. • Bluff. A topographic feature such as a hill, cliff, or embankment having the following characteristics (an area with an average slope of less than 18 percent over a distance for 50 feet or more shall not be considered part of the bluff): • Part or all of the topographic feature is located in a shoreland area; • The slope rises at least twenty five (25) feet above the ordinary high water level of the waterbody; • The grade of the slope from the toe, or bottom, of the bluff to a point twenty five (25) feet or more above the ordinary high water level averages thirty percent (30%) or greater; and • The slope must drain toward the waterbody. • Certificate of Completion. The certificate issued after the final inspection of the site has been completed, temporary erosion control has been removed and the site has been fully restored. • Clearing and grubbing. The cutting and removal of trees, shrubs, bushes, windfalls and other vegetation including removal of stumps, roots, and other remains in the designated areas.