806.2( a) 806.2(b) Long -Term Temporary RECP (36 month Functional Longevity) Type Product and Material Description Slope Applications Channel Applications Machine Direction Tensile Strength (lb/ft)(1) Transverse Direction Tensile Strength (lb/ft) Material Thickness
Coverage (%) Minimum Seed Germination Enhancement (%)(3) Minimum Weight Per Unit Area (oz /yd2)(4) Maximum Slope (H:V) Maximum Allowable C-Factor at Maximum Slope(5) Maximum Shear Stress (lb/ft2)(2) 4.A An open weave textile composed of processed slow degrading natural or polymer yarns or twines woven into a continuous matrix. 1:1 ≤ 0.05 ≥ 2.25 ≥ 100 ≥ 40 ≥ 0.20 ‐ ≤ 0.40 ≥ 50 200 ≥ 20.0 4.B An erosion control blanket composed of processed slow degrading natural or polymer fibers mechanically bound together between two slow degrading synthetic or natural fiber nettings to form a continuous matrix. 1:1 ≤ 0.05 ≥ 2.25 ≥ 100 ≥ 40 ≥ 0.20 ‐ ≤ 0.50 ≥ 50 ‐ ≤ 95 200 ≥ 8.0
event in large-scale testing. An acceptable large -scale test method is ASTM D6460 or equivalent approved by the Representative.
in conjunction with pre -applied mulch material.
permanently reinforcing vegetation in applications where vegetation alone cannot provide sufficient protection against erosiv e forces. Provide manufacturer’s RECP specifications, product data sheets, and drawings. Submit for local approval by the Representative (i.e., at the Distric t or project level) as specified in
TABLE E Permanent RECP(7) Type Product and Material Description Slope Applications Maximum Slope (H:V) Channel Applications Test Unvegetated Shear Stress (lb/ft2)(,2,3,4) Channel Applications Test Vegetated Shear Stress (lb/ft2)(3,4,5,6) Seeding Emergence Typical (%)(3) Machine Direction Tensile Strength (lb/ft)(4,6) Transverse Direction Tensile Strength (lb/ft)(4,6) Material Mass / Unit Area (oz /yd2)(4) Thickness Typical (in)(4) UV Stability Typical (%)(4,6,7) 5.A Turf Reinforcem