Common use of GEOTEXTILE REQUIREMENTS Clause in Contracts

GEOTEXTILE REQUIREMENTS. Property Requirement Test Method Type 1 Type 2 Type 3A Type 4 Type 5B Typical Application Shoulder Drains Under Rip Rap Silt Fence Fabric Soil Stabilization Temporary Walls Elongation (MD & CD) ≥ 50% ≥ 50% ≤ 25% < 50% < 50% ASTM D4632 Grab Strength (MD & CD) Table 1D, Class 3 Table 1D, Class 1 100 lbC Table 1D, Class 3 – ASTM D4632 Tear Strength (MD & CD) – ASTM D4533 Puncture Strength – ASTM D6241 Ultimate Tensile Strength (MD & CD) – – – – 2,400 lb/ftC (unless required otherwise in the contract) ASTM D4595 Permittivity Table 2D, 15% to 50% in Situ Soil Passing 0.075 mm Table 6D, 15% to 50% in Situ Soil Passing 0.075mm Table 7D Table 5D 0.20 sec-1,C ASTM D4491 Apparent Opening Size 0.60 mmE ASTM D4751 UV Stability (Retained Strength) 70%C (after 500 hr of exposure) ASTM D4355