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2016-02-01_HYDROLOGY - C1981012
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2016-02-01_HYDROLOGY - C1981012
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Last modified
8/24/2016 6:15:59 PM
Creation date
2/3/2016 8:39:58 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981012
IBM Index Class Name
Hydrology
Doc Date
2/1/2016
Doc Name
Annual Impoundment Report and Certificaton
From
New Elk Coal Company
To
DRMS
Annual Report Year
2015
Permit Index Doc Type
Sediment Pond Inspections
Email Name
RDZ
JRS
Media Type
D
Archive
No
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New Elk Preparation Plant <br />Annual report and Certification <br />MSHA Ponds <br />Reporting Period: 2015 <br />Inspection Date: 12/21/2015 <br />MSHA Mine ID#: 05-04461 <br />Impoundment ID: 1211 -CO -09-0296-04 <br />1. Descibe any changes in the geometry of the inpounding structure. <br />None <br />Sediment <br />Elevation <br />2. Describe the location and type of installed instruments and the maximum and minimum readings of each instrument. <br />Periodic Differential level Surveys <br />Minimum: 7436.00 <br />1.00 <br />7435.00 <br />3. Embankment Elevations: Toe: <br />7428.00 <br />Crest: <br />7459.00 <br />Primary: <br />7451.75 <br />Emergency: <br />7452.75 <br />Water Levels as Surveyed: Minimum: <br />7436.00 <br />Maximum: <br />7449.75 <br />Minimum: <br />1.0 <br />Maximum: <br />13.75 <br />As required by 30 CFR 77.216-4(a)(3) the minimum, maximum and present depths of water and sediment as <br />determined by level surveys are: <br />Water <br />Sediment <br />Elevation <br />Depth <br />Elevation <br />Minimum: 7436.00 <br />1.00 <br />7435.00 <br />Maximum: 7439.00 <br />4.00 <br />7435.00 <br />Current: 7449.75 <br />13.75 <br />Unknown <br />4. The storage capacity for the impoudment is apprpximately: 16.75 Ac. Ft. <br />S. Current volume of impoundment water: 12 Ac. Ft. <br />6. Describe any other change which may have affected the stability or operation othe the impounding structure that <br />has occurred: <br />None: With vary sporadic amounts of percipitation in 2015 the pond water level has changed. Pond was only <br />holding run-off coming from winter's snowfalls and fall's rain storms. Sediment levels remains unchanged as well <br />from 2012 with the infrequent amount of precipitation. <br />I certify that the impoundment is being operated and maintained in accordance with the approved Plan. To the best of my <br />knowledge, this report is correct and complete. <br />,d� <br />A Ce ' led mpoundment Inspector <br />14, <br />Supervising P.E. `� <br />
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