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Page 2/3 <br /> QUARTER LY POND INSPECTION REPORT <br />Operator: Snowca Coal Com an Quarter: First 2008 <br />Permit: C-81-041 Inspection Date : 18-Mar-08 <br />Pond Identification 9 RSRDA 10 CRDA-2 11-CBA-2 13-North Portal SAE N Decl CBA-1 <br />Type of Pond Sediment Sediment Sediment Sediment E/W Sums Sum <br />Status During Inspection: Desi nand Actual De th from S illwa Invert <br />Design Depth 9.0 9.0 8.0 6.0 Na 4.4 <br />Design Max Water Depth n/a n/a n/a n/a n/a Na <br />Design Max Sed. Depth 4.3 5.3 n/a 2.0 n/a 4.0 <br />Sediment Level 6.4 5.6/6.1 3.5 5.8 n/a 3.9 <br />Water Level D /Dam D D Dr Dr Dr <br />Outflow 0 0 0 0 0 0 <br />Features Problem Problem Problem Problem Problem Problem <br /> Yes/No Yes/No Yes/No Yes/No Yes/No Yes/No <br />Erosional <br />Rills & Gulleys No No No No No No <br />Inadequate Vegetation No No No No No No <br />Outlet Channel Erosion No No No No No No <br />Burrows No No No No No No <br />Other No No No No No No <br />Structural <br />Differential Settling No No No No No No <br />Cracks or Slides No No No No No No <br />Seepage No No No No No No <br />Other No No No No No No <br />Appurtenant Structures <br />Defective Spillways No No No No N/A N/A <br />Dewatering Devices Clogged No No No No N/A N/A <br />Faulty Gates, Etc. No No No No N/A N/A <br />Other No No No No No No <br />Additional Comments 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-year event. <br /> <br />uired: <br />Maintenance Re <br />None ®®P~~ REG~sId <br />a©~®®m <br />q ®~ Bo <br />®® ~~ <br />®®a° <br />~ S <br />,, <br />4' <br /> ~ <br />l <br />, <br /> <br /> ~ e- ~ o <br /> o~ <br />o ~r a E. ~ ~.:.: ~ a <br /> <br /> <br /> <br />ame of Inspector: Jirn Stover 0 <br />®-Q ao ~, j~ off' `~~ <br />Ei <br />+~° ~ ~ ~ <br />1 <br />~ <br />Rap3 <br />~ <br /> . <br />. <br />® k8ro 0 0 ©~ <br />~~~j <br />Colori~ft ~~9 ate <br /> <br />