2003-01-13_REVISION - M1980244 - Laserfiche WebLink

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1~.SSOC12-teS January 7, 2003 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.: 003-2203 RE: Summary No. 7: December Ol through December 21, 2002 Cresson Project Phase TVb, c Construction Quality Assurance Deaz Mr. Roberts, Golder Associates Inc. (Golder) is pleased to submit this summary of Phase ]Vb and c Construction Quality Assurance (CQA) services performed for the Cresson Project during the period of December 1~ through December 21~, 2002. The weather during this reporting period was cleaz to cloudy. Approximate daytime low temperatures ranged from 12° F to 21° F, and highs ranged from 28° F to 51° F. Snow was recorded on December 3'~, 4a', 17's and 18a', 2002. Weather observations were made on sixteen days of this three week reporting period. Construction Synopsis Ames Construction Inc. (Ames) of Aurora, Colorado is the earthworks contractor for the Phase IVb and c construction. Ames conducted Phase IVb and c construction activities on twenty days of this twenty- one day reporting period (December la through December 21a ). Phase IVb Polyflex had completed geomembrane construction for the yeaz and demobilized from site on November 30"'. On the 5"' of December, a 2-foot rock rolled down the south side of the 2:1 riser slope, creating puncture and scratch penetration damage to the liner. On or around the 10"' of December, a 2- foot frozen fragment of ore material rolled down the northern side of the 2:1 riser slope. Golder inspected the geomembrane and identified all damage prior to the remobilization of PolyIlex on December 13's. PolyIlex performed repairs of the damage on December 13's, followed by vacuum testing on Saturday, December 14'x. Documentation of the repairs and tests will be reported in the Phase N b certification report.