2012-12-27_REPORT - M1980244 (16)

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ameO PHASE 5 BERM RAISE FIELD MONITORING SUMMARY (WEEKLY REPORT) Project Title: CC &V/ Phase 5 Berm Raise Owner: Cripple Creek & Victor Gold Mining Co Location: Cripple Creek & Victor Gold Mine Work Element: Phase 5 Berm Raise Date: June 16, 2012 Reporting Period: 6/10/2012 through 6/16/2012 Days S M T W T F S Work Shifts D D D - D - D = Day Shift N = Night Shift Project No.: 74201125KO Contractor: Ames Construction Co., Inc. Shift: Day Ambient Temperature Range (F): Low: 38 °F to 51 OF ( + / -) High: 63 °F to 74 °F AMEC CQA: Personnel On -site through the Reporting Period (See Attachment A). AMES: None CONSTRUCTION ACTIVITIES and PROGRESS: I) Earthworks A) Subgrade Preparation Subgrade preparation was performed prior to structural fill placement. A CAT D -6 dozer was used to rip the existing surface to a depth of at least 6- inches. Moisture conditioning of the subgrade was performed (when necessary) using a tandem axle water truck. Compaction was performed using a 10 -ton vibratory smooth drum compactor passing over the entire subgrade surface at least four times. The subgrade was inspected and approved by an AMEC field representative, prior to fill placement. B) Select Structural Fill Placement Select Structural fill was placed in 12" to 15" loose lifts using a CAT D -6 dozer and a CAT 375 excavator. Each lift was moisture conditioned using a tandem axle water truck (when necessary) and compacted using a 10 -ton vibratory smooth drum compactor, passing over the entire fill surface at least 4 times (method compaction technique was applicable). C) Slope Contouring Slope contouring was performed CAT 330 excavator. Material generated during slope contouring was stockpile at the top of the slope. D) Site Grading A CAT D -6 LGP dozer and a John Deere 35D excavator were used to perform site grading level the ore surface in the area. E) Soil Liner Fill (SLF) No work performed during the week. P513R.Weekly Report WE 06.16.2012