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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 12 <br />2.9 Drain Cover Fill <br />Ames began placing DCF in June 2015. DCF. The DCF was processed by Ames from <br />September 2013 through November 2014 by screening crushed overburden material <br />from the Cresson Project over a vibrating 1-½-inch screen to remove oversize material. <br />Ames placed approximately 236,810 cubic yards (neat line) of DCF per the project <br />technical specifications. The material was placed in a minimum 2-foot-thick lift over the <br />geomembrane and in a 4-foot-thick lift where Caterpillar 740 haul trucks travelled over <br />the geomembrane during construction. During fill placement, Polyvinyl Chloride (PVC) <br />grade markers with end caps to protect the geomembrane from damage were placed at <br />grade breaks and on a maximum 50 foot wide by 50 foot long grid. After DCF placement, <br />PVC grade markers were removed and Ames performed any additional final grading. <br />Ames placed DCF in an uphill direction on any slopes steeper than 4H:1V. <br />