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Cripple Creek & Victor Gold Mining Company <br />Squaw Gulch VLF Phase 1 <br />(9,550-foot Elevation Bench to Geomembrane Panel P1635) <br />Final Report <br />Quality Assurance Monitoring & Test Results <br />January 2016 <br />Project No.: 74201125N0 Page 20 <br />continuously inspected the geomembrane during DCF placement, marked areas for <br />repair, if required, and verified that all repairs were completed to project technical <br />specifications. After final grading, Amec Foster Wheeler monitored removal of PVC <br />grade markers. <br />Please note that placement of the DCF material within the Project boundary is on-going <br />at the time of the report submittal. The DCF quantities were estimated based on the area <br />of the three dimensional area of the footprint multiplied by a depth of 2 feet and adding <br />in a 10 percent overage. <br /> Temperature Monitoring <br />Amec Foster Wheeler monitored ambient air temperatures every hour when <br />temperatures were approaching freezing. The lowest and highest daily temperatures are <br />summarized in Table 1. <br />During placement of fill materials, when the ambient air temperature was less than 32°F <br />for longer than 1 hour in the previous 24 hours, Amec Foster Wheeler was required to <br />monitor the fill temperatures at depths of 3 inches and 6 inches, at a frequency of 6 tests <br />per acre, and calculate the average fill temperature from the lower temperature of the 3 <br />inch and 6 inch tests. Fill temperature monitoring is located on Table 2.