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1 <br /> • Anydamage shall be repaired immediately. <br /> g P Y <br /> Maintenance • If concentrated flows,are evident uphill of the fence,they must be <br /> 1 Standards intercepted and conveyed to a sediment pond. <br /> • It is important to check the uphill side of the fence for signs of the <br /> I fence clogging and acting as a barrier to flow and then causing <br /> channelization of flows parallel to the fence. If this occurs,replace the <br /> fence or remove the trapped sediment. <br /> I • Sediment deposits shall either be removed when the deposit reaches <br /> approximately one-third the height of the silt fence, or a second silt <br /> fence shall be installed. <br /> Ia If the filter fabric (geotextile)has deteriorated due to ultraviolet <br /> breakdown, it shall be replaced. <br /> Pending height POST SPACING: . i <br /> max 24" T'max.an open runs <br /> • l 4•max.on pooling areas Top Of Fabric <br /> I <br /> i.r.r.r.e. i.-i om ., ,r Beg <br /> Attach labile to r <br /> upatreate side of peat ,,• 8. <br /> FLOW—.- i i <br /> lithe aver each side of • POST DEPTH: <br /> I <br /> silt fence ate 4 theses As much below ground <br /> With device exerting ,¢' as fabric abova ground <br /> ea p.aJ or_ greater X <br /> t. Diagonal atlanhroant <br /> t00%compact!, aoo4.compactlen doublesstangth. <br /> f\�\ \'Z' Nei,. i Gi'i , ila, <br /> ii iii P_m:._z .. <br /> ASACHMENT MARS: <br /> / %/Nis ,,,,,,,,,I;../ % i/ <br /> ,/, �� /',��� a Gather fabric et posts,rmo:Jed. <br /> �� \�\�.•'\ \ a these three lies per past an within top 8-of fabric, <br /> I `~l %� \�� �� *Position each tie diagonally,puncturing htslesvertically <br /> %i �i it�y�i a minimum of r aped. . <br /> •Hang each lie on a post nipple and tighten sectrel i. <br /> No more than War a 36"fa brio Use cable ties(501b4 or sort wire. <br /> is allowed above ground. <br /> IRoll of silt fence <br /> 4...a. Opgration - . <br /> hists„ on <br /> - installed <br /> I <br /> ,,� ompaction <br /> 1181.1111111.111181111.1811. 1 FabsiC <br /> abatis Slit Fencl[after <br /> ground <br /> ' m* ya��o`"i r <br /> '!il/ire/l�/�llf!! ��'v; +m <br /> ar�•�i`. �,.#. a 4' l+%Ii <f. ,;�. rn .a�a �iI /'� `�'• \..vi '�iw.� v. , o•Iitv 0\ , a�/�' 4� /,�.v/��/� �tiii� in%• te'. '�:�'`' o.,`. • <br /> Horizontal chisel point Slicing blade <br /> (76 mm +) (18 mm width) Completed Instal/Won <br /> IVibratory plow Is not acceptable because of horizontal compaction <br /> Figure 4.20-Silt Fence Installation by Slicing Method <br /> I <br /> I4-98 Volume I!-Construction Stormwater Pollution Prevention February 2005 <br />