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Cripple Creek & Victor Gold Mining Company <br />Cresson Project <br />Quality Assurance Monitoring and Test Results <br />Load Out Bin Relocation <br />July 7, 2009 <br />ameO <br />removal of deleterious materials, and verification that care was exercised in fill <br />placement to avoid geomembrane damage. AMEC performed CQA laboratory testing of <br />grain size and Atterberg limits. <br />AMEC monitored the ambient air temperatures and the temperatures of all fills, including <br />SLF, in accordance with project specifications. <br />1.2.2 CQA /CQC Monitoring of Geosynthetics Installation <br />AMEC provided CQA monitoring of geosynthetics used for the LOB relocation. CQC services <br />provided by AMEC consisted of performing geosynthetics inventory and checking quality control <br />certifications prior to geosynthetics deployment. AMEC performed geosynthetics CQA activities <br />in accordance with the CQA Plan. Geosynthetics CQA activities performed by AMEC included: <br />■ Observation and documentation of geomembrane deployment, trial seams, seaming, <br />destructive testing, and non - destructive testing (pressure tests and vacuum tests); <br />■ Performing conformance testing of geomembrane; <br />■ Measuring geomembrane panel thickness and confirming adequate panel overlap; <br />■ Visually inspecting geomembrane sheet quality, sheet grinding, seam alignment, and <br />continuity; and <br />■ Retaining archive samples of geomembrane destructive tests and trial seams. <br />1.3 Project Coordination <br />AMEC CQC and CQA activities were directed by the AMEC Resident Engineer. The AMEC <br />Resident Engineer for the period was Mr. Steve Rice. The Certifying Engineer, Mr. John F. <br />Lupo, Ph.D., P.E. or his representatives (Mr. Derek Wittwer, P.E., Project Manager) made <br />periodic site visits to resolve technical issues and to review AMEC activities. AMEC staffing <br />from the period of April 3rd 2009 through May 6th 2009 are presented in Appendix B. <br />Representatives of CC &V, Ames, Foresight West (QA Surveyor), and AMEC conducted daily, <br />weekly, and preconstruction coordination meetings throughout the construction period. <br />SIPROJECTS\1125E CCV CQA \H3 - CONSTRUCTION\LOB CERT REPORT\REPORT BODY\LOB CERT REPORT 2009.07.01.DOC 3 <br />