2015-04-02_REPORT - M1980244

• Permit No: M1980244
• IBM Index Class Name: REPORT
• Doc Date: 4/2/2015
• Doc Name: CQA Report - Weeks ending 3/7/15, 3/14/15, 3/21/15
• From: Cripple Creek & Victor Gold Mining Company
• To: DRMS
• Email Name: TC1
• Media Type: D
• Archive: No

CRIPPLE CREEK & VICTOR GOLD MINING Co. Y,
ANGLOGOLD ASHANTI (COLORADO) amec
SQUAW GULCH (VLF) WEEKLY REPORT foster
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Spent Ore:
The majority of the week's construction activities focused on the placement of Spent Ore /Low
Volume Solution Collection Fill (SO /LVSCF) material on the PSSA ADR pad. This activity was
substantially completed by the end of the reporting period. LVSCF material was hauled from the
stockpile to the PSSA with Cat 777 haul trucks. The LVSCF was blended with SO in an
approximately 50/50 mix and placed as an engineered fill on the ADR pad. The blending of the
material tokk place within the PSSA footprint. CQA monitoring was conducted by New Fields.
Cameron Site: SLF processing continued periodically at the Cameron Site.
Underdrain System:
Primary Underdrain: Complete.
Secondary Underdrain: No work was performed during this reporting period.
Tertiary Underdrain: No work was performed during this reporting period.
Leak Detection: No work was performed during this reporting period.
Miscellaneous:
• Temporary electrical panel and generator were set for the Low Volume Solution
Collection System;
• Labor crew with mini excavator and skid steer loader cleared the A and C benches of
rock and debris in preparation of sub -grade approval and subsequent SLF placement;
• Set a power pole at the ADR security pad,
• Constructed safety berms around the ADR security pad,
Performed fusion welding of 10" HDPE Class 20OFM fire line pipe in the PSSA;
• Low Volume Solution Collection System (LVSCS) — Two submersible pumps were
installed in the LVSCS riser pipes.
B) Underground Workings:
Workings UG 6631 was prepared for geogrid placement. Further remediation is required.
The subgrade at workings UG 6010 and UG 6269 was approved for geogrid placement — geog °id
was placed at both workings during the reporting period. Further remediation required.
Production Drilling: Anaconda Mine complex (west)
Production Blasting: UG 6639
11) Storm Water Management
Best Management Practices (BMPs) continued to be performed.
CQA ACTIVITIES:
1) Field Activities:
Field activities and observation during this reporting period included: Slope grading and structural f 11
placement; SO, SLF, and SF sampling; underground working remediation; and monitoring SO /LVSCF
placement in the PSSA.