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RERR COAL COMPANY <br />RERR MINE <br />QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />Pond B <br />Date 12-15-97 <br />1. Water Level (above or below dewatering orifice) Above_ Below X <br />2. Sediment Level [below dewatering orifice (designed sediment level)] <br />3. Sediment Removal Required Yes <br />4. Outflow (depth of flow in weir) <br />5. Outflow <br />1.0 Ft <br />3.0 Ft <br />No <br />0 Ft <br />0 CFS <br /> <br />RE PROBLEM <br />FEATU <br />S <br />YES <br />BO COMMENTS <br />EROSION: <br />Rills b Gullies on Embankments <br />X <br />Snow S ice covered. <br />Wave Erosion X <br />Spillway Erosion X <br />Burrows X <br />Others X <br /> <br />STRUCTURAL: <br />Differential Settling <br />X <br />Snow b ice covered. <br />Cracks or Slides X <br />Seepage X <br />Other X <br /> <br />STRUCTURES: <br />Principal Spillway <br />Clogged Orifice <br /> <br />X <br />Snow S ice covered. <br />Clogged or Damaged Culvert X <br />Weir X <br />Emergency Spillway <br />Erosion <br />X <br />Riprap x <br /> <br />MAINTENANCE REQUIRED: None. <br />MAINTENANCE PERFORMED: None. <br />ADDITIONAL COMMENTS: Snow b ice covered. <br />Pond oversized due to previous sediment removal. <br />~.~`~~~\p00 I R EG/Sr'''o <br />~~ Q~ ~ <br />D ~~ <br />NAME OF INSPECTOR ~' <br />0 r~yr <br />U : I <br /> <br />