DRAINAGE GEOCOMPOSITES Transmissivity ASTM D4716-87 [5] Core/Net/Mesh [4] Thickness ASTM D5199 mm (mil) Compressive Strength ASTM D6364 kPa (psi)/% deflection at yield◆ m2/s (gal/min/ ft) m2/s (gal/min/ft) O/C PP Y nonwoven needle-punched 4 to 16 oz 3.98 (13.1)/75 (246) Pipes 3/4'' diam. on 80" centers NA 2.5 x 10-4 (1.21) [A] NP DRAINTUBE ST1 D20 O/C PP Y nonwoven needle-punched 4 to 16 oz 3.98 (13.1)/75 (246) Pipes 3/4'' diam. on 40" centers NA 5.0 x 10-4 (2.42) [A] NP DRAINTUBE ST1 D25 O/C PP Y nonwoven needle-punched 4 to 16 oz 3.98 (13.1)/75 (246) Pipes 1'' diam. on 40" centers NA 1.0 x 10-3 (4.83) [A] NP DRAINTUBE ST2 D25 O/C PP Y nonwoven needle-punched 4 to 16 oz 3.98 (13.1)/75 (246) Pipes 1'' diam. on 20" centers NA 2.0 x 10-3 (9.66) [A] NP DRAINTUBE ST4 D25 O/C PP Y nonwoven needle-punched 4 to 16 oz 3.98 (13.1)/75 (246) Pipes 1'' diam. on 10" centers NA 4.0 x 10-3 (19.32) [A] NP Geotextile Attached (Y/N) [3] DRAINTUBE ST0.5 D20 Structure [1] Gradient = 0.1 Pressure = 10kPa 209 lb/ft2 Product Name Width/Length m (ft) Core/Net/Mesh Polymer Composition [2] DRAINAGE Gradient = 1.0 Pressure = 479kPa 10,000 lb/ft2 AFITEX-Texel Geosynthetics Inc. l www.draintube.net [A] Gradient 0.1; Between sealed sand and geomembrane; Seating Time 100 hours; Pressure 50 000 psf [1] [2] [3] [4] [5] GN = Geonet O/C = Other or combination HDPE = High Density polyethylene PE PP = Polypropylene PS NP = Not provided by manufacturer O/C If "Y", specify woven or nonwoven. Thickness includes attached geotextile, when applicable Seating time is 15 min. and flat-plate environment. = Polyethylene = Polystyrene = Other or combination NP = Data not provided by manufacturer NA = Not applicable, per manufacturer ◆ Specification Change- this specification (D1621) changed in the 2017 Specifier's Guide. From: Compressive Strength at yield ASTM D1621 kPa (psi) To: Compressive Strength at yield per ASTM D6364 units kPa (psi) « Geosynthetics recommends you contact the manufacturers before making any specifying/purchasing decisions » 98 Geosynthetics | December 2019 January 2020http://www.draintube.net