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Figure 11-4.2.12 Silt Fence <br />Joints in filter fabric shall be spliced <br />at posts. Use staples, wire rings or <br />equivalent to attach fabric to posts <br />2"x2" by 14 Ga. wire or equivalent, <br />if standard strength fabric used <br />--—rr----------------------rr — <br />I <br />Minimum I I 6' max I I <br />4'W" trench I <br />u <br />Post spacing may be increased <br />to 8' if wire backing is used 2"x2" wood posts, steel <br />fence posts, or equivalent <br />2"x2" by 14 Ga. wire or equivalent, <br />if standard strength fabric used <br />Filter fabric <br />\! 2' min <br />Backfill trench with \� ' <br />native soil or 3/4" - 7\i / % <br />/ 75" washed gravel i1jm' <br />Minimum <br />4"x4" trench <br />2"x2" wood posts, steel <br />fence posts, or equivalent <br />800� <br />DEPARTMENT OF <br />ECOLOGY <br />State of Washington <br />Figure II-4.2.12 <br />Silt Fence <br />NOT TO SCALE <br />Revised October 2014 <br />Please see http://www.ecy.wa.gov/copyright.html for copyright notice including permissions. <br />limitation of liability, and disclaimer. <br />2014 Stormwater Management Manual for Western Washington <br />Volume 11 - Chapter 4 - Page 369 <br />