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Page 2/2 <br />Pond Identification <br />Type of Pond <br />Status During Inspection: <br />Design Depth <br />Design Max Water Depth <br />Design Max Sed. Depth <br />Sediment Level <br />Water Level <br />res <br />Erosional <br />Rills & 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 />purtenant Structures <br />Defective Spillways <br />Dewatering Devices Clogged <br />Faulty Gates, Etc. <br />Other <br />ditional Comments <br />IlMaintenance Required <br />QUARTERLY POND INSPECTION REPORT <br />Snowca coal company Quarter: First 2011 <br />C-1981-041 Inspection Date: 16-Mar-11 <br />9 RSRDA 10 CRDA-2 11-CBA-2 13-North Portal SAE N Decl CBA-1 <br />Sediment Sediment Sediment Sediment E/W Sums Sum <br />Desian and Actual Depth from Spillway Invert <br />9.0 9.0 8.0 6.0 n/a 4.4 <br />n/a n/a n/a n/a n/a n/a <br />4.3 5.3 n/a 2.0 n/a 4.0 <br />6.4 5.6/6.1 3.4/3.5 5.8 n/a 3.8 <br />D D D D D D <br />0 0 0 0 0 0 <br /> <br />Problem Problem Problem Problem Problem Problem <br />Yes/No Yes/No Yes/No Yes/No Yes/No Yes/No <br /> <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No N/A N/A <br />No No No No N/A N/A <br />No No No No N/A N/A <br />No No No No No No <br /> <br />Sediment level in pond 11 is about 3.5 feet below the top of the sediment poles. <br />Pond 11 has adequate capacity within the 3.5 feet to contain 25-yea;?e9enf ` 'a <br />te <br /> <br />tP <br />: <br />?`! <br />` <br />None o <br /> <br /> f l <br />!> r <br />c Ji <br />`4W <br />P ? <br />, <br />J <br /> ' f[' <br />G <br />J. E. Stover <br />Colorado P. E. 19230 Date <br />1IName of Inspector: Jim Stover <br />t <br />I