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RERR COAL COMPANY <br />RERR MINE <br />QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />Pond D <br />Date 9-16-97 <br />1. Water Level (above or below dewatering orifice) Above Below X 1.6 Ft <br />2. Sediment Level [below dewatering orifice (designed sediment level)] 3.0 Ft <br />3. Sediment Removal Required Yes No <br />4. Outflow (depth of flow in weir) 0 Ft <br />5. Outflow 0 CFS <br /> PROBLEM <br />FEATURES <br />YES <br />NO COMMENTS <br />EROSION: <br />Rills b Gullies on Embankments <br />X <br />Wave Erosion X 18" wave cut. <br />Spillway Erosion X <br />Burrows X <br />Others X <br /> <br />STRUCTURAL: <br />Differential Settling <br />X <br />Cracks or Slides X <br />Seepage X <br />Other X <br /> <br />STRUCTURES: <br />Principal Spillway <br />Clogged Orifice <br /> <br />X <br />Clogged or Damaged Culvert X <br />Weir X <br />Emergency Spillway <br />Erosion <br />X <br />Riprap X <br /> <br />MAINTENANCE REQUIRED: Riprap wave erosion area. <br />Scheduled for this fall. <br />MAINTENANCE PERFORMED: None. <br />ADDITIONAL COMMENTS: Pond oversize due to previous sediment removal. <br />~~~`~~\\\\D~ I RED/ ~~~~''% <br />S <br />NAME OF INSPECTOR 1~~~ <br />. 0 <br />- ~ t <br />.= <br />` ~ <br />~.~ 39 3 <br /> <br />~' <br />~ <br />.'. o- <br />' ~~, - <br />~, <br />; <br />'•. ~ <br />,_ ~ <br />S <br />5~~ ~ <br />n,/~~ <br />r ~~ ~ <br />F~~., <br />` <br /> <br />~~~ a <br />u , <br />Y~.. <br />