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• <br />• <br /> <br />SECTION 5.6; SEDIMENT CONTROL <br />SC 3; SILT FENCE <br />tO' ' x <br />SILT FABRIC - Ulm, <br />w <br />STAPLED W <br />POSTS .`.Y •...? <br />COMPACTED <br />EIACKFILL <br />SILT FENCE FABRIC } <br />ANCHORED <br />IN TRENCH <br />AND ATTACHED TRENCH <br />RRWY TO POST 6' z 6' <br />POST (2' Y 2' NOMINAL) WLT FENCE FABRIC <br />ANCHORED IN TRENCH <br />MD FIRMLY ATTACHED <br />TO POST ? <br />2 " ?! TRENCH <br />MIN. FLO1N <br />MIN. <br />I r <br />LIM,8 <br />SILT FENCE <br />FIGURE SC 3.2 <br />Silt Fence Installation (CDOT18) <br />• When used, the wire mesh support fence shall be fastened securely to <br />the upslope side of the posts using heavy-duty wire staples at least <br />3/4 inches long, tie wires, or hog rings. The wire shall extend into the <br />trench a minimum of 2 inches and shall not extend more than 36 <br />inches above the original ground surface. <br />• Along the toe of fills, install the silt fence along a level contour and <br />provide an area behind the fence for runoff to pond and sediment to <br />settle. A minimum distance of 3 feet from the toe of the fill is <br />recommended. <br />• The height of the silt fence from the ground surface shall be minimum <br />of 24 niches and shall not exceed 36 inches; higher fences may <br />impound volumes of water sufficient to cause failure of the structure. <br />5-50