1989-10-10_REVISION - M1988112 (16)

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80-mil HDPE • Thickness (nominal) mils 80 mil ASTM D1593 Thickness, mils, minimum 72 mil ASTM D1593 Density (g/cc), max 0.94 ASTM D1505 Carbon black content, % 2-3 ASTM D1603 Puncture resistance, lb 350 FTMS 1O1C2065 Tear strength, lb 40 ASTM D1004 Ultimate tensile strength, lb/in 240 ASTM D638 Ultimate elongation, X 500 ASTM D638 Modulus of elasticity, psi 80,000 ASTM D882 All values, except when specified as minimur~ or maximum, represent average lot property values. In the event of unspecified criteria for material properties, installation or testing the specification shall adopt the criteria of National Sanitation Foundation Publication No. 54. On-site storage is the responsibility of the Contractor. The rolls shall be stored on a smooth prepared surface (no wooden pallets) and shall not be stacked more than two rolls • , high. The geomembrane shall be stored in such a manner as to be protected from puncture, dirt, grease, water, moisture, mud, mechanical abrasions, excessive heat, or other damage. 7.3.2 Placement The liner shall be installed by crews experienced in the placement of the particular type of liner to be installed on projects of similar size and type, according to the manufacturer's recommendations. Experience records of the liner manufacturer and installer shall be submitted too the Engineer for review. Approval of the manufacturer and installer shall be obtained from the Engineer prior to purchase of material or mobilization of the installer. The Contractor shall visually inspect all delivered liner materials on arrival at the job site for damage and • identification. Any damage to the liner panels caused by 33