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7. Environmental and Erosion Control Measures <br /> 7.1 Advanced Erosion Control Technologies <br /> Biotechnical stabilization merges living plant materials with conventional engineering methods to enhance soil stability <br /> and manage erosion by incorporating mechanical,biological,and ecological principles.Techniques include live staking, <br /> where live woody cuttings are inserted into the soil to sprout roots and stabilize the area;vegetated geogrids,which involve <br /> installing grids that are then planted to hold the soil;and brush layering,which uses stacked branches interspersed with <br /> soil to boost stability and vegetation growth.Additionally,smart drainage systems are implemented to adaptively manage <br /> water and reduce erosion risks. This category includes permeable pavements that facilitate groundwater recharge while <br /> reducing runoff,and rain sensors that optimize irrigation based on real-time weather to minimize water waste and runoff. <br /> Biotechnical Stabilization <br /> Integrating living plant materials with traditional engineering techniques. This approach combines mechanical,biological, <br /> and ecological concepts to stabilize soil and manage erosion.Methods include: <br /> • Live Staking: Inserting live woody cuttings into the soil,which then sprout and root to stabilize the area. <br /> • Vegetated Geogrids:Installing layered grids that are then planted with vegetation to hold soil in place. <br /> • Brush Layering: Stacking cut branches between layers of soil to enhance stability and encourage vegetation growth. <br /> • Smart Drainage Systems: Implementing drainage solutions that adapt to changing conditions to optimize water man- <br /> agement and reduce erosion risk. <br /> 7.2 Sediment Control Techniques <br /> To mitigate the environmental impacts of construction and mining activities,several effective strategies are implemented. <br /> Silt fences and sediment basins are essential structures used to capture sediment-laden runoff at these sites,preventing <br /> sediment from contaminating nearby water bodies and maintaining water quality.Additionally,vegetative buffers—strips <br /> of vegetation planted along waterways—play a crucial role in trapping pollutants,providing habitat,and stabilizing banks. <br /> These buffers efficiently filter out sediments and other contaminants before they can reach and affect the water quality of <br /> adjacent bodies of water <br /> • Silt Fences and Sediment Basins:Using barriers to trap sediment-laden runoff from construction and mining sites. <br /> These structures are critical in preventing sediment from entering water bodies and affecting water quality. <br /> • Vegetative Buffers: Strips of vegetation planted along waterways to trap pollutants,provide habitat,and stabilize <br /> banks. These buffers effectively filter out sediments and other contaminants before they reach bodies of water. <br /> 7.3 Restoration Technologies <br /> To effectively combat soil erosion and enhance vegetation growth on disturbed sites,several innovative techniques are <br /> utilized. Hydroseeding involves spraying a mixture of seeds,mulch,and fertilizers onto the soil,rapidly establishing veg- <br /> etation and preventing erosion.Erosion control blankets,which are fibrous mats rolled out over sensitive areas,protect <br /> 14 <br /> HARDROCK/METAL MINING REGULAR(112)APPLICATION Au Pt Industries LLC I PO Box 1424-Edwards,Colorado 81632 1970 306 1 784 <br />