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Cripple Creek&Victor Gold Mining Company <br /> Squaw Gulch VLF Phase 2A Part 3 <br /> Record of Construction Report ■ <br /> 475.0106.032 <br /> July 2,2020 <br /> the installation experience required by the project Technical Specifications. <br /> Geomembrane installation personnel resumes for all crews that performed work on the <br /> Squaw Gulch VLF Phase 2A Part 3 area are presented in Appendix 1.2. <br /> 3.3.2. Geomembrane Roll QC Certificates <br /> The Squaw Gulch VLF Phase 2A Part 3 geomembrane was manufactured by AGRU <br /> America. Manufacturing Roll QC certificates were submitted for every roll of <br /> geomembrane (approximately one every 9,000 square feet), exceeding the required <br /> minimum frequency of one per 50,000 square feet of geomembrane. The roll QC <br /> certificates were reviewed by the CQA Monitor, ensuring all geomembrane materials met <br /> or exceeded the project Technical Specifications. The roll QC certificates for all <br /> geomembrane used within the Phase 2A Part 3 area are presented in Appendix 1.3 and <br /> Appendix 1.3 of"Squaw Gulch Valley Leach Facility Phase 2A Part 2 Record of Construction <br /> Report". Geomembrane roll QC Certificates were provided for all 80 mil rolls installed <br /> within Phase 2A Part 3. <br /> 3.3.3. Geomembrane Resin QC Certificates <br /> AGRU America manufactured the geomembrane for the Squaw Gulch Phase 2A Part 3 VLF <br /> by using LLDPE polymer raw material (resin). Chevron Phillips Chemical Company <br /> provided resin QC certificates at a rate of one per rail car shipment. The resin QC <br /> certificates were reviewed by the CQA Monitor, ensuring all materials met or exceeded <br /> the project Technical Specifications. It is important to note that the Oven-Aging, UV- <br /> Aging, 2% Secant and Multi-Axial Tensile testing is considered formulation testing and is <br /> only completed when a resin formula has changed to ensure that the resin/additive <br /> formula is adequate.The resin QC certificates for all geomembrane used within the Phase <br /> 2A Part 3 area are presented in Appendix 1.4 and Appendix 1.4 of "Squaw Gulch Valley <br /> Leach Facility Phase 2A Part 2 Record of Construction Report". <br /> 3.3.4. Geomembrane Welding Rod QC Certificates <br /> AGRU America manufactured the extrusion welding rod for the Squaw Gulch Phase 2A <br /> Part 3 VLF from various resin lots.The CQA Monitor reviewed and verified that all welding <br /> rod QC certificates that were provided by Chevron Phillips Chemical Company met the <br /> project Technical Specifications and was manufactured using the same type of resin. The <br /> welding rod QC certificates are presented in Appendix 1.5 and Appendix 1.5 of "Squaw <br /> Gulch Valley Leach Facility Phase 2A Part 2 Record of Construction Report". <br /> P:\Projects\0106.032 VLF2 Phase 2 CQA\J-REPORTS\Cert Report-Phase 2A Part 3\475.0106.032 CCV PHASE 2A Part 3 ROC <br /> REPORT.docx <br /> Page 10 <br />