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CRIPPLE CREEK &VICTOR GOLD MINING Co. <br /> ANGLOGOLD ASHANTI (COLORADO) amec <br /> SQUAW GULCH (VLF) WEEKLY REPORT foster <br /> wheeler <br /> Geomembrane: <br /> Geomembrane installation within Phase 1 continued this week performing deployment, seaming, <br /> repair, and QA/QC activities. Approximately 167,102 square feet of 80mil LLDPE geomembrane <br /> was deployed. Soil Liner Fill was inspected and approved by AMEC, Ames and ECA <br /> representatives prior to geomembrane deployment. Approximately 9,556 linear feet of seam was <br /> fusion welded during deployment using one or two fusion welding machines for each day of <br /> deployment. Approximately 263 linear feet of seam was extrusion welded during deployment. <br /> Destructive and non-destructive testing was completed in compliance with project technical <br /> specifications. <br /> Ames continuously excavated anchor trench ahead of geomembrane installation. After <br /> geomembrane testing was completed, the anchor trench above finished panels was backfilled <br /> and compacted per project specifications. <br /> See attached figure for approved geomembrane. <br /> Underdrain Pond Rehabilitation: <br /> ECA installed four new rolls of Geosynthetic Clay Liner(GCL) and four partial rolls of 80-mil <br /> LLDPE textured geomembrane at the underdrain ponds. GCL Panels, P1 — P30 were deployed <br /> (10,380 sq.ft.). LLDPE Panels, P1 — P9 were deployed (7,753 sq.ft.). Approximately 377 linear <br /> feet of seam was fusion welded during deployment. No extrusion welds were performed. <br /> Destructive and non-destructive testing was completed in compliance with project technical <br /> specifications.Ames completed excavation and backfill of anchor trench. <br /> II) Storm Water Management <br /> Best Management Practices (BMPs) continued to be performed. <br />