Laserfiche WebLink
Figure II-4.2.13 Silt Fence Installation by Slicing Method <br /> Pending height max.24" <br /> ilil <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 i ����a��ewr�ow. Belt <br /> FLOW — i�r POST DEPTH: top 8" <br /> Drive over each side of imp 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 attachment <br /> 100%compaction 100%compaction doubles strength <br /> =111-1 I1=111=111 111=11-111=111=1 1 <br /> 1_I=111=111=111=1 1=111E111=111=111a11= <br /> -111111=111=11 111=111=111=1111111 •••' �� <br /> 1=111=111=111-1 1E111=-111=111=111=111: •••••' <br /> -111-111�111=11 n I I I-111a 1 B I El l e <br /> 1=111=111111— 5.1=111=III=III=III=111 <br /> _I I I-111EIII=11 -t 111=111=111=111=111— Attachment Details: <br /> =111E111-111 °a 1=111E111-111E111E111 <br /> I I I=1 11=1 11—.4 a I 11=1 I E 11=1 11E1 11= Gather fabric at posts,if needed. <br /> =1 —I 1—I I:•: y I-1 =1I I—III—III—I I' Utilize three ties per post,all within top 8" <br /> 11111=111— _ 111111-111E111=111= <br /> III—I 11=1 I I=111 1=111--111=111-111—I I of fabric. <br /> III I11 I III ETI in 111 II 1111=11 II II 1 II 11 • Position each tie diagonally,puncturing <br /> 'II 111=111E11 E ITI=111=111-111=1'' holes vertically a minimum of 1"apart. <br /> III111=111=1 111-1 E1 11-1' Hang each tie on a post nipple and tighten <br /> No more than 24"of a 36" securely.Use cable ties(50 Ibs)or soft <br /> fabric is allowed above ground wire. <br /> Roll of silt fence <br /> —�Operation <br /> — Post <br /> / installed <br /> Fabric after <br /> „Al, <br /> above <br /> compaction <br /> Ifi til ) ground Silt Fence <br /> I 1 hfl�f�1=1�1=i11=1�1— MIr1141111 11I-1 200E1'11'11111111111 1111111=11 <br /> 4=111-1 I I-1 1=111=1 1-111-1IIIIIII I_I I—III—III O III_ 11 III1_1 III—I <br /> I 1 i 1111111111111111111111 1111�111 — _ — ,„ j I I'�i 300mm ���I I I I I A I-III; <br /> -111-111=111,;,111,--r7;,III,;,111,,,11;,111,;111,,, ,,, Ill _11 III 11 , <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 <br /> Figure II-4.2.13 <br /> IlWai <br /> Silt Fence Installation by Slicing Method <br /> DEPARTMENT O F Revised November 2015 <br /> ECOLOGY Please see http://www.ecy.wa.gov/copyright.html for copyright notice including permissions, <br /> State of Washington limitation of liability,and disclaimer. <br /> 2014 Stormwater Management Manual for Western Washington <br /> Volume ll-Chapter 4 -Page 374 <br />