2004-10-18_REVISION - M1980244 (27)

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~_ = G 1d O ~ A.SSOC1c1teS July 23, 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. 10: July 11 through July 17, 2004 Cresson Project Phase TVc Construcfion Quality Assurance Deaz Mr. Roberts: Golder Associates Inc. (Golder) is pleased to submit this sununary of Phase IVc Construction Quality Assurance (CQA) services performed for the Cresson Project during the period of July 11 through July 17, 2004. • The weather during this reporting period was clear to cloudy. Approximate daytime low temperatures ranged from 45° F to 54° F, and highs ranged from 66° F to 87° F. Weather observations were made on seven days of this seven-day reporting period. Construction Svnopsis Ames Construction Tnc. (Ames) of Aurora, Colorado is the earthworks contractor for the Phase Nc construction. Ames conducted Phase IVc construction activities on five days of this seven-day reporting period (July 12 through July 16, 2004). Poly-Flex conducted Phase IVc construction activities on six days of this seven-day reporting period (July 12 through July 17, 2004). Phase IVc Ames continued limited Structural Fill (SF) cut to fill and slope re-contouring activities along the Phase FJb /Phase Nc tie-in azea above the LOB. Ames completed construction of the Secondary Underdrain (SU) within Phase Nc along the central section of the VLF, Raven Hill area. Ames constructed approximately SO lineaz feet of SU and tied into the Phase IVb SU. Ames placed and compacted Soil Liner Fill (SLF) material into the Phase PJc OSA, on the east section • of the VLF. SLF material was tested, conditioned, reworked, retested, and maintained prior to SLF Phase IVc 10 June 11-July 17 2004 043-2170