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� <br /> � Slecl p��tils .h:Jl �on�i5 ot�cilhcr si�c\��. U rrh:u u; lar�cr. :1��1 '�1 .-A <br /> 120 stccl Pi�ic �+�ith a minimum di:nncicr oi 1-inch. U. '1. L. or C' tiha��c <br /> � stccl pu�lti �cith a minimunt ��cight of 1.35 IbsJ1t. or othcr strcl post; <br /> having cyui�alcn� surngth and bcnding resistancc to thc pnst si�cs <br /> listcd. l�hc spacing of thc suppo�t posts shall bc a maximwn ot'6 fcct. <br /> � Pcncc Uack-up supprn�t, if uscd, shall consist of stccl wirc �ti�ith a <br /> maximum mcsh spacing of Z inchcs,or a prefabricated polymcric <br /> � mcsh. Thc strcngth of thc w•irc or polyllllfll' I11C,1'Il SIl'JII VC CC�UI\';I�llll <br /> to or grcater Aian ISO Ibs. graU tcnsilc sucngth. "Chc polymcric mc,h <br /> must bc as resislant to ultraviolet radiation as thc geotcxtile it suppons. <br /> � • Silt fcnce instalintion using the slicing mcthod spccification dc�ails <br /> ibllow. Refer to Pigw•c 4.20 for slicing method dctails. <br /> '1'hc base of both end posts must be at Ieast 2 to 4 inchcs above the top <br /> � of thc silt f'cncc f'ubric on the middlc posts for ditch chccks to drain <br /> properly. Usc a hand Icvel or su•ing Icvcl, if necessa�y, tu mark basc <br /> points Ucfore installation. <br /> � Install posts 3 to 4 feet apart in critical retcntion areas and G to 7 feet <br /> apai�t in standard applications. <br /> � Install posts 24 inchcs dcep on the downsu'cam side oPthc silt fe�cc. <br /> and as close as possiblc to thc fabric, cnabling posts to suprort :nc <br /> fabric from upsu cam watcr pressure. <br /> � Install posis with the nipples f�cing away from the silt fence fahric. <br /> Attach the labric to each post with three lies, all spaced within the top <br /> � 8 inchcs of thc faUria Attach cach tic diabonally 45 dcgrecs through <br /> thc fabric, with cach puncturc at Icnst I inch venically apart. ln <br /> addition, cach tic should be positioned to hang on a post nipplc�vhen <br /> itigl�tcning to prcvent s.�oging. <br /> - \�'r,p approximatcly G inches of fabric around the end posts and sccurc <br /> with 3 tics. <br /> � No morc than 24 inchcs of a 3G-inch fabric is allowed abovc ground <br /> Y <br /> �l'VC�. <br /> � Thc ropc lock systcm nmst bc uscd in all ditch chcck applications. <br /> The inslallation shuuld bc checkcd und con'cctcd fiir any de��iatiun <br /> I belbrc compaction. Usc a 11at-bladed shovel to luck fabric dceper into <br /> the growid if necessary. <br /> Compaction is vitally important for effective results. Compact thc soil <br /> I immcdiatcly ncxt to the silt fence fabric with the frunt wheel of thc <br /> tractor, skid stcer, or rollcr exerting at Ieast ti0 puunds per syuare inch. <br /> Compact thc upsU•eam side first and then cuch side t�vice lor a total ol� <br /> Ifour trips. <br /> � February 20D5 Volume I!— Consvuction Storrnwater Pollufion Prevention 4-97 <br /> � � 3 <br />