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HYDRO21698
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HYDRO21698
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Last modified
8/24/2016 8:43:01 PM
Creation date
11/20/2007 2:27:23 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981038
IBM Index Class Name
Hydrology
Doc Date
4/19/2002
Doc Name
2002 Annual Impoundment Inspection
From
J. E. Stover & Associates
To
DMG
Permit Index Doc Type
Prof Pond Certifications
Media Type
D
Archive
No
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k.- . y i <br />BOWIE RESOURCES LIMITED <br />BOWIE NO. 1 MINE <br />IMPOUNDMENT YEARLY INSPECTION <br />i <br />In accordance with Rule 4.05.9(14), all impoundments shall be inspected at least yearly <br />to determine if the impoundment has been maintained as designed, and in accordance <br />with the approved plan and the applicable regulations. This yearly inspection is for the <br />impoundments located at the Bowie No. 1 Mine. <br />On March 29, 2002 I performed the required yearly inspection. I, J. E. Stover, have a <br />wide variety of experience in the design and construction of earth fill embankments. <br />Nothirig was observed during the inspection that would indicate the pond has a <br />potential for failure. There was no appearance of erosion, instability, structural <br />weakness or other hazardous conditions. There are no required monitoring procedures <br />or instrumentation. There are no aspects which might affect stability and there is no <br />required maintenance. Ponds 1 through 4 were damp to dry with snow on shaded north <br />facing slopes. The timber, refuse, coal stockpile and loadout ponds were dry. The <br />west mine sediment pond and the two impoundments at the west mine each contained <br />6 to 12 inches of water. There was no discharge from any of the impoundments. <br />The impoundments have the following estimated capacities: <br />IMPOUNDMENT CAPACITIES -ACRE FEET <br /> Water Sediment Total <br />Pond 1 N/A N/A 0.70 <br />Pond 2 N/A N/A 0.51 <br />Pond 3 N/A N/A 0.52 <br />Pond 4 N/A N/A 0.60 <br />Refuse N/A N/A 0.67 <br />Timber 0.27 0.37 0.64 <br />West Mine 1.0 0.3 1.30 <br />West Mine Impoundment-1 N/A N/A 0.6 <br />West Mine Impoundment-2 N/A N/A 0.9 <br />Coal Stockpile SH-133 0.16 0.19 0.35 <br />Loadout N/A N/A 1.8 <br />-1- <br />
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