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INSTALLATION GUIDELINES <br />FOR LAN.DLOK® TRMs AND PYRAMAT41 HPTRMs <br />.. ,,? • 118?~'•; • „ . <br />(I O <br />//11J11f i(?? nt7s. . °QO?G?o IDA• <br />NOT TO SCALE <br />F16U RE Q Installation of TRMs & HPTRMs in storm water channels <br />.n. <br />o •? a <br />p 6¢ <br />Arid <br />and <br />' . a .• Q ?o <br />6?arj• , U compact <br />FIGURE 0 Initial anchor trench (downstream) detail <br />/ An alternate method to the intermittent check slot is the simulated <br />check slot This method includes placing two staggered rows of <br />anchors on 4 in (100 mm) centers at 30 ft (9.1 m) intervals (see <br />Figure 10). <br />/ Excavate terminal anchor trench 12 in wide x 12 in deep (300 x 300 <br />MM) minimum across the channel at the upstream end of the project <br />(see Figure 11)• Deeper terminal anchor trench Is needed in channels <br />that have the potential for scour. <br />Anchor, backfin and compact upstream end of mat in 12 x 12 in (300 <br />x 300 mm) minimum terminal anchor trench (see Figure 11). Unroll <br />mat in downstream direction over compacted trench with a minimum <br />2 ft (600 mm) lap. Secure with anchors in accordance with Figure 8. <br />? Secure mat using suggested ground anchoring devices (see Tables i <br />and 2 on page 71 for appropriate frequency and pattern (see Anchor <br />Pattern Guide on page 7). <br />? Seed and fill with soil for enhanced performance. See Soil Filling <br />Section on page 8. <br />/ When using Landiek• 1051, seed after installing mat and then <br />fill with soil. <br />? Irrigate as necessary to establish/maintain vegetation. Do not <br />over irrigate, <br />0 ?' MR Rog MORE' n <br />FIGURE Q Longitudinal anchor trench detail (trapezoidal channel) NOTE. If you encounter tuff with is*.ry overlap, in um factory seam such that <br />it shingles In the direction Of the flow Of water. Race anchoring derlus in <br />accowan a with Figtue 8'oved8p at lol! end" on page 5. <br />- <br />t_ <br />v,! <br />may