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base, from which leachate will be pumped and removed. <br /> Side slope liners will be constructed on the northwestern slope.The side slope liner on the northwest <br /> slope consists of a geosynthetic clay liner(GCL)overlain by a 60-mil, single-sided textured,HDPE <br /> geomembrane, and a single-sided geocomposite drainage net (GDN). A portion of the northern <br /> WMU FU-17 slope is at an approximately 4.5:1 (horizontal to vertical)slope and is underlain by the <br /> former Austin Road Landfill. To provide support for the side slope liner,an approximately 1 to 2-ft <br /> thickness of subgrade fill will be placed and compacted over the portion of the former Austin Road <br /> Landfill that underlies WMU FU-17. <br /> 1.3 Reference Documents <br /> The following reference documents provide background information and support this CQA manual: <br /> WMU FU-17 Design and Construction Documents, Forward Landfill, Lewis Engineering, <br /> January 2017. <br /> American Society for Testing and Materials (ASTM) Annual Book of ASTM Standards. <br /> Section 4 Construction, Volume 04.02 Concrete and Aggregates. <br /> American Society for Testing and Materials (ASTM) Annual Book of ASTM Standards. <br /> Section 4 Construction, Volume 04.08 Soil and Rock; Dimension Stone; <br /> GEOSYNTHETICS. <br /> American Society for Testing and Materials (ASTM) Annual Book of ASTM Standards. <br /> Section 8 Plastics, Volumes 08.01 Plastics (I), 08.02 Plastics (II), and 08.03 Plastics <br /> (III). <br /> American Association of State Highway and Transportation Officials (AASHTO), <br /> Specifications and Volume II Tests. <br /> Page 2 <br />