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MATERIAL SPECIFICATION ~ • <br />AME~RI~C.14N C35O <br />GREEN' <br />The composite turf reinforcement mat (C-TRM) shall be amachine-produced mat of 100% coconut fiber matrix <br />incorporated into a permanent three-dimensional turf reinforcement matting. <br />The matrix shall be evenly distributed across the entire width of the matting and stitch bonded between a super heavy <br />duty UV stabilized bottom net with 0.50 x 0.50 inch (1.27 x 1.27 cm) openings, anultra-heavy duty UV stabilized, <br />dramatically corrugated (crimped) intennediate netting with 0.50 x 0.50 inch (1.27 x 1.27 cm) openings, and covered <br />by a super heavy duty UV stabilized top net with 0.50 x 0.50 inch (1.27 x 1.27 cm) openings. The corrugated netting <br />shall form prominent closely spaced ridges across the entire width of the mat. The three nettings shall be stitched <br />together on 1.50 inch (3.81 cm) centers with UV stabilized polypropylene thread to form a permanent three- <br />dimensional turf reinforcement matting. <br />The C350 shall meet requirements established by the Erosion Control Technology Council (ECTC) Specification and <br />the U.S. Department of Transportation, Federal Highway Administration's (FHWA) Standard Specifications For <br />Construction of Roads and Bridges on Federal Highway Projects, FP-031003 Section 713.18 as a Type Sil, B, and C <br />Permanent Turf Reinforcement Mat. <br />Installation staple patterns shall be cleazly mazked on the twf reinforcement matting with environmentally safe paint. <br />All mats shall be manufactured with a colored thread stitched along both outer edges (approximately 2-5 inches [5-12.5 <br />cm] from the edge) as an overlap guide for adjacent mats. <br />The composite turf reinforcement mat shall be the North American Green C350, or equivalent. The C350 permanent. <br />composite turf reinforcement mat shall have the following physical properties: <br />Material Content <br />Matrix 100% Coconut Fiber <br />(0.50 lb/yd~) (0.27 kg/m~) <br />Nettings Top -Super Heavy Duty UV Stabilized Polypropylene <br />8.00 ]bs/1,000 frT (3.91 kg/100 m=) <br />Mid -Corrugated Ultra-Heavy Duty UV Stabilized Polypropylene <br />24 lb/1,000 fr' (11.7 kg/100 m') <br />Bottom -Super Heavy Duty UV Stabilized Polypropylene <br />8.00 lbs/1,000 fr~ (3.91 kg/100 m~) <br />Thread UV Stabilized Polypropylene <br />C350 is Available with the Following Physical Specifications Per Roll [English Units (Metric Units)] <br />Width 6.50 fr (2.00 m) <br />Length 55.50 ft (16.90 m) <br />Weight f 10% 37.00 Ibs (16.80 kg) <br />Area 40.00 ydZ (33.40 mz) • <br />Stitch Spacing for All Rolls = 1.50 inches (3.8 ] cm) <br />Updated 1/2004 <br />