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~. <br />`ICII~ <br />October 29, 2002 <br />Mr. Ron Roberts <br />Cripple Creek & Victor Gold Mining Company <br />P.O. Box 191 <br />2755 State Highway 67 <br />Victor, CO 80860 <br />Golder Associates Inc. <br />44 Union Boulevazd, Suite 300 <br />Lakewood, CO 80228 <br />(303) 980-0450 <br />(303) 985-2080 <br />Golder Project No.: 003-2203 <br />RE: Summary No. 4: October 13 through October 26, 2002 <br />Cresson Project Phase IVb, c Construction Quality Assurance <br />Deaz Mr. Roberts, <br />Golder Associates Inc. (Golder) is pleased to submit this summary of Phase IVb and c Construction <br />Quality Assurance (CQA) services performed for the Cresson Project during the period of October 13's <br />through October 26m, 2002. <br />The weather during this reporting period was cleaz to cloudy. Approximate daytime low <br />temperatures ranged from 22° F to 36° F, and 1-,ighs ranged from 4S° F to 6S° F. Srow was recorded <br />on October 22"d, 23`x, 24a', and 26a', 2002. Weather observations were made on twelve days of this <br />fourteen day reporting period. <br />Construction Synopsis <br />Ames Constuction Inc. (Ames) of Aurora, Colorado is the earthworks contractor for the Phase IVb and <br />c construction. Ames conducted Phase IVb and c construction activities on twelve days of this fourteen <br />day reporting period (October 14s' through October 19's and October 21~` through October 26's). <br />Phase IVb <br />Ames continued to haul and place Soil Liner Fill (SLF) in the Phase IVb PSSA and at the PSSA west <br />end berm. Ames conducted five Depth Verification Tests on placed SLF. <br />Poly-Flex continued deployment of 80.mi1 single-sided textured (SST) LLDPE geomembrane, 100-mil <br />SST LLDPE geomembrane, 100-mil smooth LLDPE geomembrane, and began placement of 100-mil <br />double-sided textured (DST) LLDPE geomembrane in Phase IVb. Poly-Flex deployed 80-mil SST <br />LLDPE geomembrane over an azea of 38,906 squaze feet, deployed 100-mil SST LLDPE <br />geomembrane over an area of 134,421 squaze feet, deployed 100-mil smooth LLDPE geomembrane <br />