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C~LB~ND <br />Enkamat° <br />General Installation for Slopes and Channels <br />Used for Enkamat 7000, 7200, 7900 Series <br />These suggestions represent generally accepted procedures for successful installation of Enkamat These instructions maybe <br />followed, modified, or rejected by the owner, engineer, contractor or their representative since they, not Colbond, Inc. are <br />responsible for planning and executing procedures appropriate to a specific application. <br />Enkamat is packaged in rolls that are easy to ship, store and install. No heavy equipment is needed for <br />installation of matting: a roll can be handled by one or two workers. <br />Site Preparation: Whether slope or channel, the site must be shaped to the design specifications <br />(grade, geometry, density of soil, etc.) and then dressed to be free of soil clods, clumps, rocks, or <br />vehicle imprints of any significant size that would prevent the Enkamat from lying flush to surface <br />contours. <br />Anchor Trench; Anchor trenches are required to securely fasten the Enkamat to the ground <br />surface. In channel applications, the initial anchor trench is installed at the beginning of the channel <br />and intermediate check slots are spaced at approximately 25 feet* intervals downstream depending <br />on flow conditions and whether you soil fill or not. The Enkamat is installed into the bottom of the <br />trench and fastened with pins spaced 3 feet apart. The anchor trench /intermediate check slots are <br />then backfilled and compacted in a manner as to not damage the Enkamat. <br />' In lieu of excavated check slots, a double row of pins [ or a number 1 or 2 rebar pinned across the mat ]may be used at <br />25-footrntervals. <br />Enkamat Installation: Roll the Enkamat down the slope or channel. The overlap between rolls is <br />3 to 4 inches. The splice between rolls is between 2 and 3 feet. Shingle the roll in the direction of <br />water flow. Install pins down the center of each mat (mat is 3,25 feet wide) <br />staggering them between the outside pins <br />with a spacing interval of 3 to 5 feet. Pins <br />patterns will vary depending upon <br />application, soil type, slope or channel <br />slope, geometry, etc. A rule of thumb for <br />estimating the amount of pins required for <br />a project is: <br />1:1 to 2:1 slopes <br />3-4 pins per sq. yd. <br />3:1 and lesser slopes <br />2.3 pins per sq. yd. <br />