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DocuSign Envelope ID: F52521 E7-10C1-43F9-B62F-C1 E599A5D572 <br /> Practice Standards and Specifications <br /> Figure 6.17e Channel Installation and Slope Installation; Washington State Ecology Department <br /> Longitudinal anchor Terminal slope and <br /> trench iL <br /> channel anchor trench <br /> 6" <br /> Stake at T-5' < <br /> intervals <br /> 41 <br /> rq ra <br /> b° <br /> r° slot at 25' <br /> r° intervals <br /> r9 � <br /> Initial channel Intermittent <br /> anchor trench check slot <br /> NOTE: <br /> 1. Check slots to be constructed per manufacturers specifications. <br /> 2. Staking or stapling layout per manufacturers specifications. <br /> Slope surface shall be smooth before If there is a berm at the top of <br /> placement for proper soil contact. slope,anchor upslope of the berm. <br /> Stapling pattern as Min. 2" " 1 overla Anchor in 6"x6" min. Trench <br /> per manufacturers p r� f • and staple at 12" intervals. <br /> recommendations. <br /> Min. 6"overlap. <br /> Staple overlaps <br /> max. 5"spacing. <br /> tight-allow Bring material down to a level area, <br /> Do not stretch blankets/matting g turn the end under 4 and staple at 12 <br /> the rolls to conform to any irregularities. intervals. <br /> For slopes less than 3H:iV, rolls Lime,fertilize,and seed before installation. Planting <br /> may be placed in horizontal strips. of shrubs,trees,etc. should occur after installation. <br /> Rev.6/06 6.17.11 <br />