Laserfiche WebLink
QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: New Elk RDA Containment SW <br />NPDES ID. No.: None <br />Inspection Period: Third Quarter 2010 <br />Inspection Date: 08/15/10 <br />General Description or Reference to Site Plan: <br />This partially incised containment basin is a non-discharging facility designed to contain run-off <br />from the area west of the RDA belt conveyor and south of highway 12. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. <br />2). Erosion forming Gullies: <br />Excellent Moderat Eew) Poor <br />Extensive Some Few None <br />3). Is wave action causing erosion: <br />On the Upstream embankment? <br />Yes <br />4). Erosion of the downstream toe of the embankment? Yes <br />Cause of erosion can be attributed to: <br />No !-- <br />No G--"- <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage cause potential instability? <br />No C/ <br />SEDIMENT STORAGE CAPACITY <br />1). Has the design storage capacity of the reservoir been surpassed? <br />Yes <br />Explain: <br />411:T Z?I=?? plc L 1iE;? <br />-No 1 i <br />JA <br />MSHA Qualified Impoundment nspector <br />Date