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M92026GE <br />-• <br />1.0 INTRODUCTION <br />This report presents the results of the supplemental <br />geotechnicai engineering study we conducted for the Low Grade Coal <br />Haul Road Project for the Orchard Valley Mine near Paonia, <br />Colorado. The supplemental study was conducted at the request of <br />Mr. Karl Koehler, Cyprus Orchard Valley Mine. <br />The conclusions, suggestions and recommendations presented in <br />this report are based on the data gathered during our site and <br />laboratory study for the original study dated August 27, 1990 and <br />on our experience with similar soil conditions. Factual data <br />• gathered during the original July 1990 field and laboratory work <br />are summarized in Appendices A and B for ease of reference. <br />1.1 Proposed Construction <br />It is our understanding that the e <br />be upgraded by the addition of aggregate <br />anticipated truck traffic. <br />1.2 Scope of Services <br />Our services included a review of <br />engineering field and laboratory studies <br />analysis and report preparation for the <br />• <br />xisting road is planned to <br />base course to support the <br />our existing geotechnical <br />dated August 27, 1990, and <br />proposed site. <br />~Lam6ert ana ~,o,~oeiateo <br />CONSULTwG GEOTEGH MICAL EN GiN EENS AND <br />MATERIAL TESTING <br />