2016-08-01_REPORT - M1980244 - Laserfiche WebLink

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Newmont Mining Corporation ■ Cripple Creek&Victor Gold Mine ■ Squaw Gulch VLF CCW NewFields Job No.475.0106.006 Week Ending Saturday,July 23,2016 Mike Smith - - - PE - - - PR—Project Resident; LS— Lead Soils Technician; ST—Soils Technician; PE—Principal Engineer LG—Lead Geosynthetics; GT—Geosynthetics Technician; PCE— Project Certifying Engineer 1.0 EARTHWORKS 1.1 Underground Working Remediation Blasting was performed at the Upper Anaconda Mine Complex (AMC). The shot was performed to collapse the crown pillar by loading previously drilled confirmatory boreholes. The shot was inspected post blast and found to have dropped down into the working, indicating a collapsed crown pillar. The shot rock at the Upper Anaconda Mine Complex was investigated using an excavator. A remediation plan will be developed for the area upon completion of the investigation. 1.2 Structural Fill Structural Fill placement continued within the Squaw Gulch VLF Phase 1 footprint. NewFields personnel inspected fill material and observed placement and compaction procedures to ensure that they were in accordance with the project technical specifications. Ambient temperatures remained above 32 degrees Fahrenheit throughout the shift. The following structural fill construction activities occurred during the shift: Slope contouring (cut to fill) in areas bounded by bench stations: o L5+00 to L10+00 and the Haul Road Compaction was achieved using a smooth drum roller. Material was cut from the Phase 1 slope near Station L10+00 and hauled to waste. 1.3 Subgrade No subgrade acceptance was performed during this reporting period. Figure 1 shows the previous subgrade acceptance areas. 1.4 Leak Detection Trench Approximately 100 feet of leak detection trench were constructed along the High Grade Mill slope in accordance with the project technical specifications. Page 2