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2019-10-09_REPORT - C1981010
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2019-10-09_REPORT - C1981010
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Entry Properties
Last modified
12/18/2024 9:32:52 AM
Creation date
10/10/2019 12:51:30 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981010
IBM Index Class Name
Report
Doc Date
10/9/2019
Doc Name
Quarterly Fill Inspection Report
From
Trapper Mining, Inc
To
DRMS
Annual Report Year
2019
Report Quarter_Month
3
Permit Index Doc Type
Waste Pile/Fill Report
Email Name
RAR
JLE
Media Type
D
Archive
No
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COLORADO <br /> m Division of RecLmInation, <br /> Miming and Safety <br /> 1313 Sherman Street, Room 215 <br /> Denver, CO 80203 <br /> Tonia M. Perkins, P.E. <br /> Trapper Mining, Inc <br /> P.O. Box 187 <br /> Craig, CO 81626 <br /> 9 October 2019 <br /> Re: Trapper Mining, Inc., Permit C 1981010 <br /> Quarter 3 2019 Horse Gulch Fill Inspection Report <br /> Dear Ms. Perkins: <br /> The Colorado Division of Reclamation, Mining, and Safety (CDRMS) has reviewed and found <br /> the above referenced report to be in general compliance with the following CDRMS 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 rockfill embankments under the direction of a <br /> qualified engineer throughout the construction. <br /> The certified report covers the third quarter monitoring period from July through September of 2019, <br /> and the inspection was conducted by yourself, a certified engineer on 18 September 2019. <br /> 4.09.1(11)(b) Provide to the Division a certified report within 2 weeks after each inspection that <br /> the fill has been constructed as specified in the design approved by the Division. The report shall <br /> include a description of any appearances of instability, structural weakness, and other hazardous <br /> conditions. <br /> The inspection was conducted on 18 September 2019. The Division received the report on 25 <br /> September 2019. No instability, structural weakness, or other hazardous conditions were noted <br /> during this inspection of the fill. The area where cracks were detected on the top south portion of the <br /> fill 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 above <br /> the 7350' elevation on the south side, where in 2013 some settling occurred, were inspected and showed <br /> cn <br /> 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 htt ://minin .state.co.us <br /> Jared S. Polis, Governor I Dan Gibbs, Executive Director Virginia Brannon, Director <br />
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