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ameO <br />PROCESS SOLUTION ENHANCEMENT SYSTEM FIELD MONITORING SUMMARY <br />(WEEKLY REPORT) <br />Project Title: CC &V/ PSES <br />Owner: Cripple Creek & Victor Gold Mining Co. <br />Location: Cripple Creek & Victor Gold Mine <br />Work Element: Process Solution Enhancement System <br />Date: April 28, 2012 <br />Reporting Period: 4/22/2012 through 4/28/2012 <br />Days <br />S <br />M <br />T <br />W <br />T <br />F <br />S <br />Work Shifts <br />D <br />D <br />D <br />D <br />D <br />- <br />D = Day Shift N = Night Shift <br />Project No.: 74201125KO <br />Contractor: Ames Construction Co., Inc. <br />Shift: Day <br />Ambient Temperature Range (F): Low: 36 °F to 43 °F ( + / -) High: 61'F to 68 °F <br />AMEC CQA: Personnel On -site through the Reporting Period (See Attachment A). <br />AMES /Lonestar: None <br />CONSTRUCTION ACTIVITIES and PROGRESS: <br />I) Process Solution Enhancement System (PSES) <br />A) Subgrade Preparation <br />Subgrade preparation was performed preparing for soil liner fill placement A CAT D6 dozer was used <br />to rip the existing surface to a depth of at least 6- inches. <br />Moisture conditioning of the subgrade was performed (when necessary) using a tandem -axle water <br />truck. Compaction was performed using a 10 -ton vibratory smooth drum compactor passing over the <br />entire subgrade surface at least four times <br />Anchor cables that were protruding from the subgrade, were cut three feet below the surface of the <br />subgrade to ensure they did not migrate to the surface. <br />B) Slope Contouring <br />Slope contouring of previously placed structural fill was performed using a CAT D -6 dozer. <br />PSES Weekly Report WE 04.28.2012 <br />