2015-10-23_REPORT - M1980244

• Permit No: M1980244
• IBM Index Class Name: REPORT
• Doc Date: 10/23/2015
• Doc Name: Weekly QA Report
• From: Newport
• To: DRMS
• Email Name: TC1
• Media Type: D
• Archive: No

CRIPPLE CREEK &VICTOR GOLD MINING Co. 1
I 4
ANGLOGOLD ASHANTI (COLORADO) amec
SQUAW GULCH (VLF) WEEKLY REPORT foster
wheeler
Subgrade:
Phase 1 areas dozed to finished grade were compacted per project plans and specifications.
See attached figure for approved subgrade.
Soil Liner Fill:
A Cat smooth drum roller, a Cat excavator and a water truck conditioned and compacted SLF
prior to geomembrane deployment.
Cat dozers placed SLF below stations HM14+00 to HM20+00.
Cat 740 haul trucks delivered SLF to station 177+00. Cat dozers placed SLF below stations
H2+00 to H5+00. A Cat smooth drum roller and a Cat 330 excavator with a smooth drum roller
attachment compacted the fill areas.
A GPS equipped Cat D7 dozer placed SLF below stations HM15+00. A Cat 330 excavator with a
smooth drum roller attachment compacted the fill area.
Cameron SLF processing continued.
All of the above Soil Liner Fill material was placed, graded, and compacted per the project plans
and specifications. Moisture content, density testing and depth verification were performed per
project specification prior to surface acceptance and geomembrane installation.
See attached figure for approved SLF.
Drain Cover Fill:
Cat 740 haul trucks transported DCF from the stockpile to Phase 1. Low ground pressure Cat
dozers placed DCF on approved geomembrane in Phase 1.
See attached figure for approved DCF.
Spent Ore Fill:
A Cat D8 dozer replaced eroded DCF with Spent Ore below stations A15+00 to A20+00 and
8+00 to 10+00 of the ADR haul road. Ongoing placement of Spent Ore to engulf the open water
in the PSSA prior to scheduled loading of Crushed Ore in the Fourth Quarter 2015.
Underdrain System:
Primary Underdrain: Complete.
Secondary Underdrain: None.
Tertiary Underdrain: None.
Leak Detection:
A Cat excavator prepared approximately 100 LF of Leak Detection trench. A Cat skidsteer
assisted with construction of Leak Detection between stations HM19+00 to HM20+00.
Installation was performed per project plans and specifications.
Miscellaneous:
Amec personnel continued LVSCS pump monitoring and observation.