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Schematic Only - °I�t to Scale <br />Newly graded or distud�ed <br />7 /sitesuAace <br />� <br />Geotextile fiRer fabnc matenal <br />60�inch wide rolls, use rir3s <br />to at�ach to wire fabric <br />2' x 2' x 14 \� <br />galvanized <br />WWF \ <br />r <br />12'I <br />�_ <br />B' <br />Geotexlile Staplesorwire <br />lilter fabric �{ngs (typical) <br />Supporting <br />post ,2,'6• <br />2" x 2' x 14 gauye galvanized <br />welded wire fabnc or equivalent <br />ii � ii \t ii � _ � slf <br />i � v I � V v � I '' 1� <br />I I I I �� I I t���,}.? ,�'-6' <br />Exi5ling � � v � � � � � �' i 't �R�;�''. <br />rade � " " " '� ' 'x <br />9 i i v i i v i i �✓> s�„i� ��� ;� <br />, i i i i i i � X�( ;. 2i''.; <br />,.. <br />—r+� i e i i �_:�.�--.-"'---�-�- —� � <br />i i .� _' _ i i_ _ �� t : . �� � <br />"i'._'_"__i.:"'___ ii� __ _if .__ _ I2�.6. <br />II I' II \ II t <br />' i�� _ _ <br />2" x 4" Douglas Fir at 6'-c� � o.c. � ' 6'-0' oc I 8ury bottom ol geote�ctile erosion <br />IJo. 1 grade or bet�er, or s'eel posl r maximum I lence material 12" x 8" irench <br />NOTES <br />' The Iiller should be purchased in a conlinuous roll cu� to the Iength ol the. Larricr to avoid use ot joints. When joinis are <br />necessary, lilter clo�h should be spliced togelher only al a support post, wilh a rr.inimum sia-inch overlap, and both enUs s�a•ely <br />lastened to Ihe post. <br />' l he filtor fabric lence shoi ��d c^ mstalled to follow tne site contours pvhero IeasiUle). The Ienco posts should bo spaced a maximum <br />of six Ieel apart and driven securely iNo Ihe ground Qninimum, ol 30 inches). <br />' A Irench st�o�ild be ezcavated, roughly eight inches wide and twelce inches deep, upslope and adjacent to the wood post to allow <br />the filtm �zoric to be buried. <br />' VJhen standard stren9th filtcr fabric is used, a wire mesh support should be lastened securely to Ihe upslope side of Ihe posts <br />usiny heavy-duty wire staples a� Ieasl one inch long, lia wires, of hog rings. The wiro should ezlend into Ihe lrench a minimum M <br />lour mches and should nol eztend more Ihan thirty�six inches above ihe onginal g:ounA sudace. <br />The standard strength litler fabnc should be stapled or wired ta Ihe lence, and a minimum ol twenty inchcs ol Ihe faL•ric should he <br />ex�ended into tlia irench. The labric sh�uld not ezlend more �han �hirry�six iisches above ihe original grour.d surlace. Filier tabnc <br />should nol be stapled to existing trees. <br />When exUa-strengih lilter labric and closer pos� spacin� are used, the •cim mesh supporl Ience may Le eliminaled. In such a case, <br />Ihe filter labric i=, stapled or wired dimclly �o Ihe posts. <br />The 12' z 8' Irench shoulU 6o backlilled with �/4 inch minimum diameler washed 9ravcl. <br />Filter fabiic fences should be removed •.vhen Ihey have servad their uselul purp�.'•e, but not before tl�e upslepe area has been <br />permanenlly sta6ilized. <br />Fitler labric lences should be insper,ted immEdialely aftcr each minfall and at lerst daity dcnnq piolonged rainfall. Any required <br />repairs should be made immediately by ihe centractor. <br />Creativc Engincering Options ��c. <br />s <br />�-r_ � ar�� <br />�.cv <br />nr� .,c . .. .n. � .cvn,�.,, <br />I Plate <br />TYPICAL FILTER FENCE pETAIL <br />� �l <br />