2015-05-27_REPORT - M1980244

• Permit No: M1980244
• IBM Index Class Name: REPORT
• Doc Date: 5/27/2015
• Doc Name: CQA Report
• From: CC&V
• To: DRMS
• Email Name: TC1
• Media Type: D
• Archive: No

I_
CRIPPLE CREEK & VICTOR GOLD MINING Co. 4
ANGLOGOLD ASHANTI (COLORADO) amec
SQUAW GULCH (VLF) WEEKLY REPORT foster
wheeler
Cat smooth drum rollers compacted subgrade between the FF bench and the perimeter road.
Cat dozers began finish grading the slope beneath the ball mill.
Cat excavators and dozers reworked the DD bench to repair the saturated subgrade with suitable
structural fill material.
All of the above Structural Fill material was placed, compacted, and graded per the project plans
and specifications.
Subgrade:
Subgrade was accepted in the areas shown on the attached figure.
Soil Liner Fill:
Cat 740 haul trucks hauled SLF from the Phase 1 stockpile. GPS equipped Cat dozers placed
SLF material between the C and E benches and the DD and FF benches on approved subgrade.
The above activities were performed per the project plans and specifications.
Drain Cover Fill:
None.
Underdrain System:
Primary Underdrain: Complete.
Secondary Underdrain: No activity.
Tertiary Underdrain: Construction of several tertiary underdrains began between
stations A14+00 and A18+00. Activity was in accordance with
project plans and specifications.
Leak Detection:
No activity.
Miscellaneous:
Amec personnel continued LVSCS pump monitoring and observation.
Rip rap was placed in the fabric lined Phase 2 Surface Water Diversion Channel between stations
S39+00 and S44+00 per project plans and specifications.
A Cat excavator excavated a trench for underground utilities near the security pad.
B) Underground Workings:
UG #6685: Excavated approximately 4 feet into native ground. No evidence of mining activity.
The site was backfilled per project specifications. Remediated.
UG #6686: Excavated approximately 25 feet into native ground. No evidence of mining activity.