Laserfiche WebLink
COLORADO <br /> a Division of Reclamation, <br /> Mining and Safety <br /> Department of Natural Resources <br /> Tonia M. Perkins, P.E. <br /> Trapper Mining, Inc <br /> P.O. BOX 187 <br /> Craig, CO 81626 <br /> 15 October 2021 <br /> Re: Trapper Mining, Inc., Permit C1981010 <br /> 2021 Quarter 4 Horse Gulch Fill Inspection Report <br /> Dear Ms. Perkins: <br /> The Colorado Division of Reclamation, Mining, and Safety (CDRMS) has reviewed and <br /> found the above referenced report to be in general compliance with the following CDRMS <br /> regulations: <br /> 4.09.1(11(a) Inspected at least quarterly by a registered engineer, or other qualified <br /> professional specialist in construction of earth and rockfall embankments under the direction <br /> of a qualified engineer throughout the construction. <br /> The certified report covers the fourth quarter monitoring period from October through <br /> December of 2021, and the inspection was conducted by yourself, a certified engineer on 7 <br /> October 2021. <br /> 4.09.1(11)(b) Provide to the Division a certified report within 2 weeks after each inspection <br /> that the fill has been constructed as specified in the design approved by the Division. The <br /> report shall include a description of any appearances of instability, structural weakness, and <br /> other hazardous conditions. <br /> The Division received the report via electronic transmission on 13 October 2021. No <br /> instability, structural weakness, or other hazardous conditions were noted during this <br /> inspection of the fill. The area where cracks were detected on the top south portion of the fill <br /> during the first quarter of 2013 was inspected and no additional cracking was observed. Other <br /> areas where differential settling has been observed in the past were also inspected. The spots <br /> above the 7350' elevation on the south side, where in 2013 some settling occurred, were <br /> flF'�010 <br /> 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 https://drms.colorado.gov I * o <br /> Jared S. Polis, Governor I Dan Gibbs, Executive Director I Virginia Brannon, Director * 1876 * <br />