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Cripple Creek & Victor Gold Mining Company <br />Mr. Ron Roberts -2- <br />January 9, 2003 <br />003-2203 <br />Golder visually monitored the placement of approximately 150 cubic yards of Drain Cover <br />Fill over the geomembrane installed at the ADR area. Golder observed that DCF was placed <br />a minimum of two feet thick, that no geomembrane wrinkles were folded, and that no <br />unsuitable material was present in the fill. <br />Other information required by the 2001 Phase N VLF Construction Specifications for the <br />placement of SLF and geomembrane, including soil surface acceptance certification, <br />geomembrane certification summaries, equipment calibration certificates, resumes of <br />Poly-flex personnel, and abbreviations for the 2002 ADR expansion construction aze <br />presented in Attachment C. <br />The observed earthworks and geosynthetics for the ADR area geomembrane expansion were <br />performed in general accordance with the applicable 2001 Phase IV VLF Construction <br />Specifications for the Cresson Project. <br />Golder appreciates the ongoing opportunity to provide engineering and CQA services for the <br />Cresson Project. Please contact the undersigned with any questions. <br />Sincerely, <br />GOLDER ASSOCIATES INC. <br />I , <br />' ohn F. Lupo, Ph.D., P.E. <br />Senior Project Manager <br />~~~~ ~~ <br />mbe inke Morrison, P.E., R.G. <br />Project Engineer <br />' Attachments: <br />Figure 1 - 2002 ADR Geomembrane As-Built Drawing <br />' Attachment A -Earthworks Testing Results <br />Attachment B -Geomembrane Installation Observation and Test Results <br />Attachment C -Geomembrane Certifications, Equipment Calibrations, <br />' Poly-flex Resumes and Abbreviations <br /> <br /> <br />~~ <br />1 <br />1 L 003?03'~0400wDR0103~003?203.000OA5925rcp.tloc GOlde~ A550C12te5 <br />