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About the Company Bioengineering   Erosion Control Blankets & Composite TRM Installation Guidelines Installation on Slopes Installation in Channels Blanket Selection Chart Technical Specifications   Nedia Enterprises offers a complete line of erosion control, sediment control, and bioengineering products made primarily from natural fibers. We provide innovative quality products and excellent service to our customers in the erosion control and bioengineering industry.   Products - Erosion Control Blankets & Composite TRM - Technical Specifications Erosion Control Blankets & Composite TRM Technical Specifications   Technical Specifications for erosion Control Blankets & Composite TRM PRODUCT NAME S 300 S300 B S 400 S 400 B SC 400 SC 400 B C 400 C400 B CTRM 800 Fiber type Straw Straw Straw Straw Straw/Coir Straw/Coir Coir Coir Coir Functional Longetivity (years) 1 1 1 1 1 to 2 1 to 2 2 to 3 2 to 3 >3   Top Netting Type None None Light PP Natural Heavy PP Natural Heavy PP Natural   Bottom Netting Type Light PP Natural Light PP Natural Light PP Natural Heavy PP Natural Heavy PP Top Netting Mesh Size (Inch x Inch) N/A N/A 5/8 x 5/8 1/2 x 1/2 5/8 x 5/8 1/2 x 1/2 5/8 x 5/8 1/2 x 1/2 N/A Bottom Netting Mesh Size (Inch x Inch) 5/8 x 5/8 1/2 x 1/2 5/8 x 5/8 1/2 x 1/2 5/8 x 5/8 1/2 x 1/2 5/8 x 5/8 1/2 x 1/2 5/8 x 5/8 Top Netting Wt. (lbs/1000 sq.ft.) N/A N/A 1.6 9.3 3.0 9.3 3.0 10.9 40+3 Biaxial Geogrid HeavyPP Bottom Netting Wt. (lbs/1000 sq.ft.) 1.6 10.9 1.69.3 1.6 9.3 3.0 10.9 3.0     ASTM STANDARD   D 5261 Mass per unit area minimum (oz/sy) 8 8 11.2 11.2 11.2 11.2 11.2 11.2 14.2   D 5199 Thickness Minimum (Inches) 0.25 0.25 0.35 0.35 0.35 0.35 0.35 0.35 0.45   D 4595 Tensile Strength - Dry (lb/ft.) 108x100 76x56 180x73 103x89 144x114 144x112 300x180 293x185 788x1248 D4595 Elongation - Dry (%) 22x23 8x4 25x16 9x11 5x11 5x12 27x20 14x15 12x11 D4595 Tensile Strength - Wet (lb/ft.) 188x92 76x44 156x82 156x120 228x180 156x144 312x156 308x186 1740x1320 D4595 Elongation - Wet (%) 23x18 5x5 20x17 5x6 19x26 6x6 25x20 27x19 12x11 D 1117 Water Absorption (%) 331 267 272444 236 356251 136 137     D 4491 Flow Velocities, Short Term (fps) 6 6 9910 10 14 14 20       Recommended Slope 4:1 to 3:1 4:1 to 3:1 3:1 to 2:1 3:1 to 2:1 2:1 to 1:1 2:1 to 1:1 1:1 or > 1:1 or > 1:1 or > Maximum Permissible Shear Stress ( lbs/sq.ft.) 1.55 1.55 1.7 1.7 1.85 1.85 2.25 2.25 8.00   “n” values Roughness Coefficient 0.021 0.021 0.019 0.019 0.018 0.018 0.014 0.014 0.026 Coconut Fiber Jute Fiber

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