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Cripple Creek & Victor Gold Mining Company <br />Laboratory Liner Extension <br />Final Report <br />Quality Assurance Monitoring & Test Results <br />January 14, 2014 <br />ameO <br />• Observation and documentation of non - destructive vacuum testing of extrusion <br />seams and repairs. <br />5.2.1 Conformance Testing <br />The geomembrane liner was manufactured by GSE. Samples were sent to <br />TRI /Environmental, Inc., a geosynthetic laboratory in Austin, Texas, for conformance <br />testing. Geomembrane rolls were not used on the project unless approved by AMEC <br />based on conformance test results. <br />The geomembrane used was manufactured along with the Mill Site Earthworks <br />geomembrane. Prior to the geomembrane arrival to site, TRI performed conformance <br />tests on the shipment of liner of the rolls used for the Laboratory Liner Extension. All <br />80 -mil single -sided texture LLDPE geomembrane used to construct the Laboratory <br />Liner Extension composite liner system met specifications. Conformance test results <br />are presented in Appendix I. <br />5.2.2 Deployment Monitoring <br />Geomembrane panel deployment monitoring performed by AMEC included: <br />• Observation of panel surface condition and panel overlap <br />• Assignment of panel numbers <br />• Verification of factory roll number and receipt of complete certification prior to <br />allowing deployment <br />• Measurement of sheet thickness <br />• Documentation of deployed panel lengths <br />• Development of panel layout drawing <br />AMEC and Lone Star verified the subgrade and GCL surface and both were accepted <br />by AMEC and Lone Star. Lone Star provided written certification of subgrade <br />acceptance and GCL acceptance. The subgrade and GCL acceptance certificates are <br />presented in Appendix F and Appendix H.7. <br />AMEC assigned each geomembrane panel a number. Geomembrane panels <br />deployed in the Laboratory Liner Extension were numbered P -1 through P -3. <br />AMEC marked the panel designation directly on each panel after it was deployed. The <br />geomembrane panel layouts are presented in Appendix A. <br />During geomembrane deployment, AMEC measured sheet thickness with a digital <br />caliper. The liner thickness was measured at five random locations along one edge of <br />each geomembrane panel. The average thickness specified for the 80 -mil <br />geomembrane was 85 mils. Project specifications for 80 -mil geomembrane required <br />sAprojects \1125m -cc &v lab liner extension\h2 - design \lab liner extension \roc report\lab liner roc report.docx 10 <br />