Laserfiche WebLink
Cripple Creek&Victor Gold Mining Company <br /> Squaw Gulch VLF Phase 2A Part 1 ■ <br /> Record of Construction Report <br /> 475.0106.032 <br /> July 22,2019 <br /> for concrete testing. A total of 55 samples were tested with results meeting the properties <br /> required by the project Technical Specifications. The concrete test results are summarized in <br /> Appendix D.4 and the individual concrete test results are presented in Appendix D.5. No testing <br /> was required for the cemented rockfill; however, the CQA Monitor verified that all batch tickets <br /> adhered to the approved mix design. <br /> 3.4. Geosynthetics Quality Control Submittals <br /> The CQA Monitor reviewed and approved all geosynthetic QC submittals, including <br /> geomembrane installation personnel resumes, geomembrane roll QC certificates, <br /> geomembrane resin QC certificates, welding rod QC certificates, geotextile QC certificates, and <br /> geogrid QC certificates. The CQA Monitor tracked all geomembrane delivered to site in the site <br /> inventory. The site inventory, for all geomembrane used within the Phase 2A Part 1 area, is <br /> presented in Appendix J.1. <br /> 3.4.1. Geomembrane Installation Personnel Resumes <br /> Tetra Tech submitted the resumes of all installation personnel prior to construction or <br /> repair activities within the Squaw Gulch VLF Phase 2A Part 1 area. The CQA Monitor <br /> verified that the Installation Superintendent, Master Seamer and QC Inspector <br /> possessed 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 1 area are presented in Appendix J.2. <br /> 3.4.2. Geomembrane Roll QC Certificates <br /> The Squaw Gulch VLF Phase 2A Part 1 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 <br /> met or exceeded the project Technical Specifications. The roll QC certificates for all <br /> geomembrane used within the Phase 2A Part 1 area are presented in Appendix J.3. <br /> Geomembrane roll QC Certificates were provided for all 40 mil and 80 mil rolls installed <br /> within Phase 2A Part 1. <br /> 3.4.3. Geomembrane Resin QC Certificates <br /> AGRU America manufactured the geomembrane for the Squaw Gulch Phase 2A Part 1 <br /> VLF 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 /> P:\Projects\0106.032 VLF2 Phase 2 COA\J-REPORTS\ROC Report 1\Cert Report-Phase 2A Part 1\475.0106.032 CCV PHASE 2A Part 1 <br /> ROC REPORT.docx <br /> Page 13 <br />