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HYDRO20774
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HYDRO20774
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Entry Properties
Last modified
8/24/2016 8:42:38 PM
Creation date
11/20/2007 1:45:46 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1983059
IBM Index Class Name
Hydrology
Doc Date
4/21/1998
Doc Name
POND INSPECTION REPORT
From
OXBOW MINING INC
To
DMG
Permit Index Doc Type
SEDIMENT POND INSPECTIONS
Media Type
D
Archive
No
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(~ <br />QUARTERLY POND INSPECTION REPORT <br />Pond Inspection Date: March 23,1998 <br />OPERATOR: Terror Creek Company <br />MINE: Terror Creek Loadout <br />POND INDENTIFICATION P-1 Dugout <br />TYPE OF POND Sediment Sediment <br />STATUS DURING INSPECTION: <br />APPROXIMATE WATER LEVEL <br />SEDIMENT (% total storage) <br />OUTFLOW (cfs) <br />FEATURES <br />EROSIONAL <br />Rill & Gulleys <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />STRUCTURAL <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES <br />Defective Spillways <br />Dewatering Devices Clogged <br />Faulty Gates, Etc. <br />Other <br />MAINTENANCE REQUIRED <br />See Comments Dry <br />0 % N/A <br />0 0 <br />No No <br />No No <br />No No <br />No No <br />No No <br />No No <br />No See Comments <br />No No <br />No No <br />No No <br />No No <br />No No <br />No No <br />No No <br />ADDITIONAL COMMENTS: The design sediment level is 18" below the invert of the <br />primary' spillway. The water level in the sediment pond was about 16" below the invert <br />of the primary spillway. Dugout Pond requires some maintenance on the south side of <br />the spillway embankment, scheduled for spring of 1998. <br />REFERENCE DRAWINGS: Sediment Pond - Map 7; SWMP Controls -Map 14; <br />Dugout Pond - Exh 9, page 11. <br />S WMP CONTROLS: No significant amount of coal was spilled around the loadout. The <br />hydraulic oil dank at the loadout was sound. The sediment fences were in good repair. <br />The plant:rQads wefe..adequately watered. The paved haul road did not have excessive <br />
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