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• Operations layer soil overlying the liner system components shall immediately follow the <br /> installation of the geomembrane and other geosynthetics overlying the GCL. If areas <br /> cannot be covered immediately due to steepness of slopes,visqueen or equivalent shall <br /> be placed over any exposed GCL. The GCL shall be removed and replaced if it becomes <br /> hydrated before the operations layer soil is placed. <br /> • All hydrated GCL will be removed and replaced by the Geosynthetics Contractor at no <br /> additional cost to the Owner. <br /> • On slopes steeper than 10 horizontal to 1 vertical,all GCLs shall be continuous down the <br /> slope;that is, no horizontal seam shall be allowed in the slope. <br /> • All GCLs will be overlapped. Along the length of the mat, the overlap will be 12 in. <br /> (150 mm). Along the width of the mat,the overlap will be 12 in.(3 00 mm). Additional <br /> manufacturers recommendations regarding overlaps will be adhered to. <br /> • The overlaps will not be nailed or stapled to the subgrade. <br /> The QA/QC Consultant will note any non-compliance and report it to the Construction Manager. <br /> 4.5.4 Repair <br /> Any holes or tears in the GCL will be repaired by placing a GCL patch over the hole;the patch will <br /> overlap the edges of the hole or tear-by 2 ft (0.6 m) in all directions. If deemed necessary by the <br /> Design Engineer, the patch will be secured with a water-based adhesive approved by the <br /> Geosynthetics Contractor. Care will be taken to remove any soil or other material that may have <br /> penetrated the torn GCL. All repairs will be made at no additional cost to the Owner. The patch will <br /> not be nailed or stapled. <br /> The QA/QC Consultant will observe any repair, note any non-compliance with the above <br /> requirements and report them to the Construction Manager. <br /> 4.5.5 Materials in Contact with GCL <br /> Equipment used for placing granular material will not be driven directly on the GCL or any overlying <br /> geosynthetics. Unless otherwise specified by the Design Engineer,all equipment operating on soil <br /> material overlying the GCL shall comply with the maximum allowable equipment ground pressures <br /> for the given cover soil thickness provided in the Specifications. <br /> Installation of the GCL in appurtenant areas, and connection of the GCL to appurtenances will be <br /> made according to the drawings. The Geosynthetics Contractor will ensure that the GCL is not <br /> • damaged while working around appurtenances. <br /> Page 45 <br />