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^r--> Golder ~SOClc'iteS September 10, 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 Boulevard, Suite 300 Lakewood, CO 80228 (303) 980-0450 (303)985-2080 Golder Project No,: 043-2170 RE: Summary No. 17: August 29 through September 4, 2004 Cresson Project Phase IVc Construction Quality Assurance Dear Mr. Roberts: Golder Associates Inc. (Golder) is pleased to submit this summary of Phase Nc Construction Quality Assurance (CQA) services performed for the Cresson Project during the period of August 29 through September 4, 2004. The weather during this reporting period was clear to cloudy. Approximate daytime low temperatures ranged from 41° F to 49° F, and highs ranged from 59° F to 78° F. Weather observations were made on seven days of this seven-day reporting period. Construction Synopsis Ames Construction Inc. (Ames) of Aurora, Colorado is the earthworks contractor for the Phase Nc construction. Ames conducted Phase Nc construction activities on five days of this seven-day reporting period (August 30 through September 3, 2004). Poly-Flex conducted Phase Nc construction activities on five days of this seven-day reporting period (August 30 through September 3, 2004). Phase Nc Ames continued limited Structural Fill (SF) cut to fill and slope re-contouring activities along the Phase Nb /Phase Nc tie-in area above the LOB. Ames continued excavation and construction of two Leak Detection Trenches (LDT) in the eastern portion of the Phase Nc VLF. Ames constructed approximately 100 feet of LDT during this reporting period. Ames hauled, placed, and compacted Soil Liner Fill (SLF) material into the Phase Nc OSA, on the eastem portion of the VLF. SLF material was tested, conditioned, reworked, retested, and maintained Phase IVc 17 August 29-September 4, 2004 043-2170