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Li t NIG 7100 NOLOGIIES <br /> TEC4­00 STHNICAL <br /> L <br /> 1 <br /> TOMATO ST <br /> GEOSYNTHETIC CLAY LINER SPECIFICATION GUIDELINES <br /> This specification is intended for use as a GENERAL GUIDELINE for developing a <br /> specification for a specific project. It is NOT intended as a substitute for a detailed <br /> specification, which must be written to address site-specific conditions. <br /> 1.0 GENERAL <br /> 1.1 Scope <br /> This specification covers the technical requirements for the furnishing and installation of the <br /> geosynthetic clay liner described herein. All materials used shall meet the requirements of this <br /> specification, and all work shall be performed in accordance with the procedures provided <br /> herein and the contract drawings. <br /> 1.2 Definitions <br /> For the purposes of this specification guideline, the following terms are defined below: <br /> Geosynthetic Clay Liner (GCL). A manufactured hydraulic barrier consisting of clay bonded to a <br /> layer or layers of geosynthetics. <br /> Geomembrane. An essentially impermeable geosynthetic composed of one or more <br /> geosynthetic sheets. <br /> Geotextile. Any permeable geosynthetic comprised solely of textiles. <br /> Minimum Average Roll Value. For geosynthetics, the value calculated as the typical value <br /> minus two (2) standard deviations from documented quality control test results for a defined <br /> population from one specific test method associated with one specific property. <br /> Overlap. Where two adjacent GCL panels contact, the distance measuring perpendicular from <br /> the overlying edge of one panel to the underlying edge of the other. <br /> 1.3 Unit Prices <br /> Measurement will be made of the total surface area in square feet covered by the GCL as <br /> shown on the contract drawings. Final quantities will be based on as-built conditions. <br /> Allowance will be made for GCL in anchor and drainage trenches but no allowance will be made <br /> for waste, overlap, or materials used for the convenience of the Contractor. GCL installed and <br /> accepted will be paid for at the respective contract unit price in the bidding schedule. <br /> 2870 Forbs Avenue Hoffman Estates, IL 60192 <br /> 847.852.1800 1 800.527.9948 <br /> www.CETCO.com <br />