Laserfiche WebLink
OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />S1zblto, <br />THICKNER UNDERFLOW HOLDING POND <br />RISER CREST = 6827.0; DEWATER HOLE = 6823.0 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: - 6sil <br />Sediment level (% total storage) —So% . <br />Outflow (cfs): b Cs <br />FEATURES <br />PROBLEM COMMENTS <br />EROSIONAL: <br />YES NO <br />Rills & Gullies on Embankments <br />✓' <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />�y Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />✓ <br />Seepage <br />!� <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways 1/' <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: ?Qrr-� wctl be. ?r MP& QCJ <br />MAINTENANCE REOUIRED: <br />0 <br />i:: documendgttlypnd/Pondinsp.doc <br />