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I <br /> Figure II-4.2.13 Silt Fence Installation by Slicing Method I <br /> I <br /> Ponding height max.24" <br /> POST SPACING: ' <br /> 7'max.on open runs <br /> Attach fabric to 4'max.on pooling areas Top of Fabric <br /> upstream side of post II ► all I <br /> / Belt <br /> FLOW- — ;J► \ <br /> POST DEPTH: top 8" <br /> Drive over each side of III As much below ground <br /> silt fence 2 to 4 times as fabric above ground <br /> with device exerting 60 <br /> p.s.i.or greater <br /> Diagonal doubles attachmentength I <br /> 100%compaction 100%compaction <br /> :.:Ill III: III lilt: ::::I :::I :::::: 1:.::::1 I :€ <br /> -1il-III=!1I-11' il—ii ••••str <br /> I I—: =1 1111=1 I I i 1-11 E1 <br /> II :! . 1...111-111 iif-{li::111: <br /> ::TI:::::_::', 1::iij1::111iiii1II..1I1:ill Attachment Details: <br /> 111=111=11T`1 11= — — ;.=I11.= • Gather fabric at posts,if needed. <br /> .._:::.... <br /> :11:::: :: .. � I;-;111: 1I)::i i l`;111:::::111 • Utilize three ties per post,all within top 8" <br /> . .. <br /> ::::��:,I I_-_�-�I II€ ; L�1 f l—I I I�I I--;I I h:I�� of fabric. 111 <br /> 1-„1.1.1-111-.;1.. Ii:---i._=; _ 111-- • Position each tie diagonally,puncturing <br /> F1-111; 1 I 1-11i.- 'J 1.=<:'I=.1 i=111—...1'• holes vertically a minimum of 1"apart. <br /> ;_-I iI l 1-i 1 aj l i 11-1�' • Hang each tie on a post nipple and tighten <br /> No more than 24"of a 36" securely.Use cable ties(50 lbs)or soft <br /> fabric is allowed above ground wire. <br /> — 1—Operation °AzyM. Roll of silt fence <br /> �� ,,,��� Post <br /> `�t installed <br /> 1. Fabric after <br /> �'--iv_ i above compaction ground <br /> Silt Fence <br /> • LL1=11=1 11=1 11=1!i=1 I= =` `` lir IIII�i',jlt'�tl,��l�ll I I`I I! 200- 11 V I I l I i I I II:I:�i <br /> :a 1:::::_:::::::I I::::_:::::I I lE I.::::11 �,\��ilhuu� —;300mm <br /> i1=111;.1I1 W111E1I I:-1I 1 ` `` I 11-111 1 lE l l l: <br /> :=1.1.1.-111-i.11-I1!.-1.1. .:...= 1. Na �[1-...._=..;_ :i-Ir .-1.1..1:.1 ;-- . <br /> Horizontal chisel point Slicing blade <br /> (76 mm width) (18 mm width) <br /> Completed Installation <br /> Vibratory plow is not acceptable because of horizontal compaction NOT TO SCALE I <br /> . 11111 MIAMI Figure 11-4.2.13 <br /> W1"""""""""""""'II Silt Fence Installation by Slicing Method I <br /> DEPARTMENT O F • Revised November 2015 <br /> ECOLOGY Please see http://www.ecy.wa.gov/copyright.htmt for copyright notice including permissions, I <br /> State of Washington limitation of liability,and disclaimer. <br /> I <br /> I <br /> 2014 Stormwater Management Manual for Western Washington <br /> Volume II- Chapter 4 -Page 374 1 <br />