2004-10-18_REVISION - M1980244 (27)

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~ - c =Golder ~SOC121.teS • I • June 8, 2004 Mr. Ron Roberts Cripple Creek & Victor Gold Mining Company P.O. Box 191 2755 State Highway 67 Victor, CO 80860 Golder Associates Inc. 44 Union Boulevazd, Suite 300 Lakewood, CO 80228 (303)980-0450 (303) 985-2080 Golder Project No.: 043-2170 RE: Summary No. 4: May 23 through June 5, 2004 Cresson Project Phase IVc Construcfion Quality Assurance Dear Mr. Roberts: Golder Associates Inc. (Golder) is pleased to submit this summary of Phase IVc Construction Quality Assurance (CQA) services performed for the Cresson Project during the period of May 23 through June 5, 2004. The weather during this reporting period was clear to cloudy. Approximate daytime low temperatures ranged from 25° F to 47° F, and highs ranged from 43° F to 72° F. Weather observations were made on fourteen days of this fourteen-day reporting period. Construction Synopsis Ames Construction Inc. (Ames) of Aurora, Colorado is the earthworks contractor for the Phase IVc construction. Ames conducted Phase IVc construction activities on ten days of this fourteen-day reporting period (May 24 through May 28, and June 1 through June 5, 2004). Poly-Flex conducted Phase IVc construction activities on ten days of this fourteen-day reporting period (May 24 through May 28, and June 1 through June 5, 2004). Phase IVc Ames continued contouring and compaction of subgrade in preparaflon for soil liner fill (SLF) placement in the Phase IVc Ore Storage Area (OSA). Ames spread and placed structural fill (SF) within the Phase Nc area footprint during slope re-contouring. Ames continued construction of the Phase IVc Leak Detection Trench (LDT) within Phase Nc along the central section of the VLF on Saddle FIlI. Ames constructed approximately 680 feet of LDT. Phase IVc 04 May 23-June 5 2004 043-2170