MATERIAL FOR GEOMEMBRANES Griffolyn TX-1600 a 3-ply laminate combining two layers of U.V. stabilized coextruded polyethylene and a high-strength nylon cord grid which is a registered trademark of Reef Industries, Inc., of Houston, Texas, or a Dura-Skrim R12BV 4-layer reinforced extrusion laminate manufactured by Raven Industries of Sioux Falls, South Dakota.; MATERIAL PROPERTIES Geomembrane shall comply with Geosynthetic Research Institute (GRI) GM22 standard specification for test methods, Required Properties and Testing Frequencies for Scrim Reinforced Polyethylene Barriers Use in Exposed Temporary Applications.; COLOR, QUANTITY AND SIZE a. Black b. Geomembranes each with a dimension of 100 ft. x 200 ft. size.
