2010-11-15_REVISION - M1980244 (140)

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Days S M T W T F S Work Shifts - D D D D D D D = Day Shift N = Night Shift ame 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: October 2, 2010 Reporting Period: 9/26/10 through 10/02/10 Project No.: 84201125E0 Contractor: Ames Construction Co., Inc. Shift: Day/Night Ambient Temperature Range (F): Low: 40 °F to 51°F ( + / -) High: 65 °F to 80 °F ( + / -) AMEC CQA: Personnel On -site through the Reporting Period (See Attachment A). AMES: No issues. CONSTRUCTION ACTIVITIES and PROGRESS: I) EARTHWORKS A) Subgrade Preparation 1) VLF Subgrade was inspected approved for soil liner fill placement by an AMEC field representative in the area shown on Figure 1. B) Slope Contouring 1) VLF Slope contouring was performed between stations A51 +00 ( + / -) and A62 +00 ( + / -), approximately 0 to 100 feet right and left of centerline, between stations J9 +00 ( + / -) and J16 +00 ( + / -), approximately 0 to 200 feet left of centerline and between stations K4 +00 ( + / -) and K7 +00 ( + / -), approximately 50 to 150 feet left of centerline using various CAT dozers and one Komatsu 300 excavator. 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 and 40 -ton articulating haul trucks and hauled between stations A60 +00 ( + / -) and A62 +00 ( + / -), approximately 20 feet left of centerline to 20 feet right of centerline. Structural fill was placed in 10" to 24" lifts using various CAT dozes. Each lift was moisture conditioned using a CAT 773 water truck (when necessary) and compacted VLF Weekly Report WE 10.02.10.D