2011-11-19_REPORT - M1980244 (4)

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TI dwr I I 1� me VLF EARTHWORKS FIELD MONITORING SUMMARY (WEEKLY REPORT) Project Title: CC &V/ Phase 5 Owner: Cripple Creek & Victor Gold Mining Co Location: Cripple Creek & Victor Gold Mine Work Element: Phase 5 CQA/ VLF Date: September 11, 2010 Reporting Period: 9/5/10 through 9/11/10 Days S M T W T F S Work Shifts - - D D ID D D D= Day Shift N= Night Shift Project No.: 84201125EO Contractor: Ames Construction Co., Inc. Shift: Day/Night Ambient Temperature Range (F): Low: 40 °F to 53 °F ( + / -) High: 62 °F to 77°F AMEC CQA: Personnel On -site through the Reporting Period (See Attachment A). AMES: Work activities were suspended on 9/5/2010- 9/6/2010 and will resume at the beginning of shift Tuesday, 9/7/2010. This was performed in observance of the Labor Day holiday. CONSTRUCTION ACTIVITIES and PROGRESS: I) EARTHWORKS A) Subgrade Preparation 1) VLF No work performed during the week (see Figure 1 for previous subgrade acceptance). B) Slope Contouring 1) VLF Slope contouring performed between stations K5 +00 ( + / -) and K9 +00 ( + / -), approximately 0 to 175 feet right of centerline. Slope contouring was performed using various dozers. A CAT smooth drum roller was used to compact finished slopes. C) Cut to Fill 1) VLF A CAT 385 excavator was used to excavate material from a designated area in the Cresson pit. The material was loaded into CAT 777 haul trucks and hauled between stations A54 +00 ( + / -) and A57 +00 ( + / -), approximately 0 to 50 feet left of centerline and between stations K8 +00 ( + / -) and K11 +00 ( + / -), approximately 200 to 220 feet left of centerline. Structural fill was placed in 18" to 24" lifts using various CAT dozes. Each lift was moisture conditioned using a CAT 773 water truck (when necessary) and compacted using a 10 -ton vibratory smooth drum VLF Weekly Report WE 09.11.10.1)