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KERB COAL COMPANY <br />KERR MINE <br />Quarterly Sedimentation Pond Inspection Report <br />Pond B <br />Date July 6, 1992 <br />OPERATIONAL STATUS <br />1. Water Level (Staff Gauge Reading - Water) <br />2. Sediment Level (Staff Gauge Reading - Sediment) <br />3. Outflow (Depth of Water in Weir) <br />4. Actual Water Level: <br />3.3 - 10 + Item 1 <br />5. Percent of Total Sediment Storage: <br />10 - Item 2 <br />100 - x 100 <br />3.3 <br />6. Outflow CCFS): 2.49 x (Item 3z.s) <br />FEATURES PROBLEMS <br />est 5.0 Ft. <br />< 5.0 Ft. <br />0 Ft. <br />-1.7 Ft. <br />n 7: <br />n CFS <br />COMMENTS <br />EROSIONAL: <br />Rills ~ Gullies on Embanloneat YES NO <br />X <br />Inadequate Vegetation ~ <br />Outlet Channel Erosion X <br />Burrows ~_ <br />Other ~ <br />STRUCTURAL: <br />Differential Settling YES NO <br />~_ <br />Cracks or Slides g <br />Seepage g <br />Other <br />APPURTENANT STRUCTURES: <br />Def ective Spillways YES NO <br />~_ <br />Dewatering Device Clogged % <br />Faulty Weir Installation ~ <br />Other C <br />ADDITIONAL COMMENTS: pond oversized due to sediment removal <br />MAINTENANCE REQUIRID: <br />NAME OF INSPECTOR : ~-iU.l r~7it~ <br />