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January 24, 2000 -2 993-2011 <br /> amount of geomembrane being anchored (approximately 1000 square feet), Golder found <br /> this solution to be acceptable. <br /> Golder observed the deployment, seaming, defect repair, and testing (Destructive and Non- <br /> Destructive) of approximately 1,063 square feet of 80-mil single sided textured LLDPE <br /> geomembrane deployed by Poly-flex for the LOB liner extension. Geomembrane was <br /> supplied and tested in accordance with the 1999 Phase III VLF specifications and was <br /> placed to complete the composite liner system. CQA observation records and test results <br /> for the installation of geomembrane are presented in Attachment B. <br /> Golder visually monitored the placement of approximately 80 cubic yards of Drain Cover <br /> Fill placed over geomembrane installed at the LOB area. Golder observed that DCF was <br /> placed a minimum of two feet thick, that no geomembrane wrinkles were folded, and no <br /> unsuitable material was present in the fill. <br /> Relevant information required by the Phase III VLF Construction Specifications for the <br /> placement of SLF and geomembrane that is not presented in the attachments such as <br /> ambient air temperature, geomembrane installer qualifications, etc., can be found in the <br /> 1999 Phase III CQA Certification Report prepared by Golder titled, "Cresson Project <br /> Quality Assurance Monitoring and Test Results, 1999 Phase III Valley Leach Facility <br /> Teller County, Colorado". <br /> Other than the geomembrane anchor trench, the earthworks and geosynthetics observed by <br /> Golder for the LOB area construction performed by Ames and Poly-flex was in accordance <br /> with the applicable 1999 Phase III VLF Construction Specifications for the Cresson <br /> Project. Golder considers the anchor trench configuration constructed in this area suitable. <br /> Golder appreciates the ongoing opportunity to provide engineering and CQA services for <br /> the Cresson Project. Please contact the undersigned with any questions. <br /> Sincerely, <br /> GOLDER ASSOCIATES INC. <br /> ohn F. Lupo, Ph.D., P.E. <br /> Senior Project Manager - Mining <br /> JFL/llr <br /> 8 Copies Cripple Creek & Victor Gold Mining Company <br /> 5 Copies Berhan Keffelew - Office of Mined Land Reclamation <br /> 2 Copies Golder Associates Inc. <br /> I:\99\2011\1260\LOB\2011LOB.DOC Golder Associates <br />