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Geotecanlcal I En+ironmental Engineering • Materials <br />Subject: Quarterly Inspection Report, Waste Coal <br />Area, Foidel Creek Mine, Routt County, Colorado. <br />Ladies & Gentlemen, <br />iiiiiiiiiiiiiiiiiii <br />7CCE1`~r .. <br />SEP 2 3 1991 <br />uw~,.~,• ......... ...... ~t,elogY - <br />September 21, 1997 <br />Bower Bros. Construction <br />595 Taylor Street <br />Craig, CO 81625 <br />Attn: Mr. Bud Bower ~ <br />Job No. 95-2296 <br />As requested, Northwest Colorado Consultants, Inc. has prepazed this letter outlining our inspections <br />made during the third quarter of 1997 a[ the Wazte Coal Area, which is located a[ [he Foidel Creek <br />Mine in Routt County, Colorado. <br />Our fnm visited the project site on July 2 and 11, August 7 and 20, and September 9, 1997 to inspect <br />the waste coal azea and test the compaction of the waste coal materials beittg placed. The contractor <br />has placed the majority of the materials in the central portion of Area #1. A number of compaction <br />and moisture content tests have been taken on the materials being placed. Based on the compaction <br />tests taken and our observations made at the project site, it appears [hat the waste coal materials have <br />been placed and compacted in general accordance with the project plans and specifications. Copies of <br />our compaction test results and daily reports aze attached. <br />Based on the increased production of [he waste coal materials and the high moisture content of these <br />materials, [he contractor has had [o stockpile aad place [he waste coal materials in a manner which is <br />somewhat different than the suggested methods outlined in the original design report prepared by <br />CTL/Thompson. Our firm is in the process of preparing a supplemental design report which will <br />address these issues and [his report will be used to amend [he current permit. <br />This report [he quarterly inspection requuemen[s as specified by Rules 4.09.1(11)(a) and <br />4.10.2(2)(a). If u have~y questions regarding this report or our observations, please contact this <br />office. <br />Sincerely, <br />Brian D. l.en, _' ~e 25 50 <br />.~ <br />cc: Rick M' wen ~, ~ i <br />Jaaet B' ivisi of .8t; Geol~A~.~~~ <br />~"SOON A1. E~~\~: <br />~,,.,.. <br />(970) 879.7888 • Fax (970) 879-7891 <br />29585 U.S. 40 West, Box 775226 • Steamboat Springs, CO 80477 <br />