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HYDRO27879
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HYDRO27879
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Entry Properties
Last modified
8/24/2016 8:47:14 PM
Creation date
11/20/2007 8:35:03 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981012
IBM Index Class Name
Hydrology
Doc Date
2/9/2005
Doc Name
2004 Annual Sedimentation Pond Inspections
From
Peak Project Management
To
DMG
Permit Index Doc Type
Prof Pond Certifications
Media Type
D
Archive
No
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ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine: New Elk <br />NPDES ID. No.: None (Plant Overtlow -Pond 6) <br />Inspection Period: Fourth Quarter 2004 <br />Inspection Date: 11126/04 <br />General Description or Reference to Site Plan: <br />This pond receives overflow from the Preparatibn Plant and is a polishing pond for the sewage <br />treatment plant. This facilities are currently out of service. Pond 6 is occasionally used to dewater <br />other ponds .. facilitate cleanout. ' <br />EMBANKMENT <br />1). Adequacy of the vegetative cover: Excellent Moderate ~) Poor <br />2).. Erosion forming Gullies: Extensive ome Few None <br />3). Is wave action causing erosion: <br />On the Upstream embankment? Yes No v <br />4). Erosion of the downstream toe of the embankment? Yes No r/ <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes No v <br />Could this seepage cause potential instability? <br /> <br />SEDIMENT STORAGE CAPACITY <br />1). Has the design storage capacity of the reservoir been surpassed? <br />Yes No !/ <br />Elevation @ top of: <br />Elevation of Water Surtace: <br />Elevation to top of Sediment: <br />OTHER OBSERVATIONS <br />,,// ~~-- ~ <br />_~it/~ rs cQr.~ a•..vt YIUf- 1/I SfPr//~ u,~ liryr~ .~/iticDC'G('/Oy/ <br /> <br /> ~ <br /> -~,_'~^ , <br />-~ ~ <br />/fin ~Q i, <br />X 'i <br />MSHA Qualified Impoundm t Inspector Pr essional ngineer ~; <br />i ecting Ins , ciion <br />~. <br />ll ~zG~oy ~/l ~~~ ,, <br />~ <br />Date. Date ~-` ` <br /> <br />
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