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Goltler Associafes Inc. <br />44 UMon Boulevard, Sulte 300 <br />Lakewootl, CO USA 80228 <br />telephone (303) 980-0540 <br />Faz (303) 985-2080 <br />July 26, 2002 <br />Cripple Creek & Victor Gold Mining Company <br />P.O. Box 191 <br />1280 State Highway 67 <br />Victor, Colorado 80860 <br />Attention: Mr. Ron Roberts <br />~_ Golder <br />~S <br />Our Ref: 003-2203 <br />RECEIVED <br />AUG 0 6 2002 <br />Division of Minerals and Geology <br />RE: EXTERNAL STORAGE POND GEOMEMBRANE REPAIR <br />Deaz Ron: <br />Golder Associates Inc. (Golder) has prepared this letter report summarizing the Construction <br />Quality Assurance (CQA) monitoring conducted for the repair of the External Storage Pond <br />(ESP) geomembrane. Attached to this letter report are the detailed CQA reporting and data <br />sheets for the ESP geomembrane repair work. <br />The repair work the ESP was initiated on June 22"d and was completed on June 25°i. <br />Poly-Flex Inc. (Poly-Flex) of Grand Prairie, Texas conducted the repair work and <br />manufactured and installed the 80-mil LLDPE geomembrane. Golder provided the following <br />CQA monitoring: <br />- Golder observed and documented repairs in the pond 80-mil HDPE <br />geomembrane; <br />- Golder observed and documented 80-mil LLDPE geomembrane <br />deployment, trial seams, seaming, destructive testing, and non-destructive <br />testing (pressure tests and vacuum tests); <br />- Golder performed conformance testing of 80-mil LDPE geomembrane; <br />- Golder measured geomembrane panel thickness and confirmed adequate <br />panel overlap; <br />- Golder visually inspected geomembrane sheet quality, sheet grinding, <br />seam alignment, and continuity; and <br />- Golder retained archive samples of geomembrane destructive tests and <br />trial seams. <br />OFFICES ACROSS ASIA, AUSTRALASIA, EUROPE, NORTH AMERICA. SOUTH AMERICA <br />