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Foothill Sanitary Landfill—Module 1 December 2003 <br /> County of San Joaquin Job No.031602.00 02 <br /> 2.0 PROJECT DESCRIPTION <br /> 2.1 Project Components <br /> The project includes construction of a composite liner system for Module 1. Module 1 is <br /> approximately 36 acres. The elements that make up the liner system of Module 1 are as <br /> follows (bottom to top): <br /> FLOOR BOTTOM <br /> • Prepared 1-foot foundation layer <br /> • Geosynthetic clay liner(GCL) <br /> • 60-mil HDPE geomembrane (double-sided textured) <br /> • Leachate collection recovery system (LCRS) drain gravel and HDPE pipe <br /> • 0.75-foot granular drainage layer <br /> • 8-oz geotextile separator <br /> • 2-foot base operations soil layer <br /> SIDE SLOPE <br /> • Prepared subgrade <br /> • Geosynthetic clay liner(GCL) <br /> • 60-mil HDPE geomembrane (double-sided textured) <br /> • Geocomposite drain material <br /> • 2-foot side slope operations layer <br /> Vector Engineering, Inc. - 143E Spring Hill Drive-Grass Valley, CA 95945•(530)272-2448 <br /> 2 <br />