GEOTEXTILE FOR STABILIZATION. Geotextiles must meet the following minimum requirements for strength and property qualities, and must be designed by the manufacturer to be used for stabilization or reinforcement, and filtration. Material must be free of defects, cuts, and tears. ASTM Test Requirements Type -- Woven Apparent opening size D 4751 No. 40 max Water permittivity D 4491 0.10 sec-1 Grab tensile strength D 4632 315 lb Grab tensile elongation D 4632 50% Puncture strength D 6241 620 lb Tear strength D 4533 112 lb Ultraviolet stability D 4355 50% retained after 500 hours of exposure Purchaser shall provide 3 unused roll of fabric, at the completion of the sale any unused materials will become the property of the state.
GEOTEXTILE FOR STABILIZATION. Geotextiles must meet the following minimum requirements for strength and property qualities, and must be designed by the manufacturer to be used for stabilization or reinforcement, and filtration. Material must be free of defects, cuts, and tears. ASTM Test Requirements Type -- Woven Apparent opening size D 4751 No. 40 max Water permittivity D 4491 0.10 sec-1 Grab tensile strength D 4632 315 lb Grab tensile elongation D 4632 50% Puncture strength D 6241 620 lb Tear strength D 4533 112 lb Ultraviolet stability D 4355 50% retained after 500 hours of exposure Metallic coated steel culverts shall meet AASHTO M-36 (ASTM A-760) specifications. Culverts must be galvanized (zinc coated meeting AASHTO M-218).
GEOTEXTILE FOR STABILIZATION. Geotextiles must meet the following minimum requirements for strength and property qualities, and must be designed by the manufacturer to be used for stabilization or reinforcement, and filtration. Material must be free of defects, cuts, and tears. ASTM Test Requirements Type -- Woven Apparent opening size D 4751 No. 40 max Water permittivity D 4491 0.10 sec-1 Grab tensile strength D 4632 315 lb Grab tensile elongation D 4632 <50% Puncture strength D 6241 620 lb Tear strength D 4533 112 lb Ultraviolet stability D 4355 50% retained after 500 hours of exposure Metallic coated steel culverts must meet AASHTO M-36 (ASTM A-760) specifications. Culverts must be galvanized (zinc coated meeting AASHTO M-218) or aluminized aluminum type 2 coated meeting AASHTO M-274. Polyethylene culverts must meet AASHTO M-294 specifications, or ASTM F-2648 specifications for recycled polyethylene. Culverts must be Type S – double walled with a corrugated exterior and smooth interior.
