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~ ~ z, S, <br />How is a Silt Prefabricated silt fence should be used whenever possible to minimize <br />Fence Installed? installation labor requirements. An 8 inch deep trench is dug along the <br />silt fence alignment. The silt fence is unrolled and stretched tight while <br />the posts are driven at least 16 inches below the ground surface. <br />Sections of silt fence shall be joined at a post by overlapping the <br />geotextile 6 inches and wrapping it around the post before the post is <br />driven. The wire shall be overlapped and wired to the post. After the <br />silt fence is erected, the trench is backfilled and the backfill is tamped <br />by wheel rolling with small equipment or foot traffic. <br />What Maintenance The silt fence must be inspected after every runoff event. Any <br />is Needed? damage must be repaired immediately. Sediment and other debris <br />must be removed from the upstream side of the fence when it <br />accumulates to the extent that visible bulges develop in the silt fence. <br />The silt fence shall be removed after vegetation or other permanent <br />erosion control measures are installed and functional. <br />Prr5~11'ft1Y~ VICWi <br />:FENCE (YIY li CAUCE M%. F' YEAIII <br />!6" YM. FENCE POSTS, <br />CgVEN YIN. 10' MTO GRDW D <br />SC[ti(m Vicwi <br />% / <br />WOVEN WIRE RNC <br />!" YGSM 9PiCMD] <br />EMBEO FILTER aOTFti~'I <br />Mlllf IMTO GNDIMC T~ <br />NOTE: After a fire many trees are weakened from burning around the base of the trunk. The trees can fall over or <br />blow down without warning. Shallow rooted trees can also fall. Therefore be extremely alert when around <br />burned trees. <br />