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Chapter 4 - Best Management Practices for Erosion and Sediment Control <br /> r► <br /> 1 <br /> � trzked arra Yrcr+ r�,�d - •• <br /> cyilt Fencc MOO Reuifvrced <br /> Staked Brief Trenched <br /> mitt Fence <br /> +rr <br /> c�ur�aGc 3�i�n �f� <br /> .. .�-- .�- - ¢ ek <br /> n lf! lfti rrr <br /> � r ^ �� <br /> 4� Tijr ff ;l t1 <br /> L411 arr4 r. <br /> Rf <br /> s <br /> rr. <br /> Plate 4. 06c Double Row Staked Silt Fence <br /> Source : Reedy Creek Improvement District <br /> f <br /> 3 . Posts shall be spaced a maximum of 10 feet (3 m ) apart at the barrier location and <br /> driven securely into the ground a minimum of 12 inches (30 cm ) . When extra <br /> strength fabric is used without the wire support fence , post spacing shall not exceed •� <br /> 6 feet ( 1 . 8 m ) . <br /> 4 . A trench shall be excavated approximately 4 inches ( 10 cm ) wide and 4 inches ( 10 •• <br /> cm ) deep along the line of posts and upslope from the barrier. <br /> 5 . When standard strength filter fabric is used , a wire mesh support fence shall be <br /> fastened securely to the upslope side of the posts using heavy duty wire staples <br /> at least 1 inch (25 mm) long , tie wires , or hog rings . The wire shall extend into the <br /> trench a minimum of 2 inches (5 cm ) and shall not extend more than 36 inches <br /> (90 cm) above the original ground surface . <br /> 6 . The standard strength filter fabric shall be stapled or wired to the fence, and 8 <br /> inches (20 cm ) of the fabric shall be extended into the trench . The fabric shall not <br /> extend more than 36 inches (90 cm ) above the original ground surface . <br /> 7 . When extra strength filter fabric and closer post spacing are used , the wire mesh <br /> support fence may be eliminated . In such a case , the filter fabric is stapled or <br /> r <br /> 4-27 <br />