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POND INSPECTION FORMS <br />OPERATOR: <br />PEABODY SAGE CREEK MINING, I.I.C. <br />MINE: <br />PEABODY SAGE CREEK MINE <br />DATE OF INSPECTION: <br />7/18/2013 <br />SEDIMENT POND ID: <br />Lower Sump <br />REFERENCE ELEVATIONS <br />(ft) <br />Riser Crest <br />Outlet <br />Top of Enbankment <br />Emergency Spillway <br />N/A <br />6,654 (Invert elev) <br />6,656 <br />6,655 <br />COMMENTS: Elevations per as -built report /map <br />OPERATIONAL STATUS AT <br />TIM OF INSPECTION: <br />Approkimate <br />Water Level <br />P"d Cepecity /Requiredtapaslty (acre -ft) <br />COMMENT <br />1 7.75/474 <br />COMMENTS: Water level approx. lit below top of riser. <br />STRUCTURAL: <br />Differential <br />Settling <br />Inadequate <br />Vegetation <br />Outlet Channel <br />Erosion <br />Bumovrs <br />Other <br />NONE <br />NO <br />NONE <br />NONE <br />NO <br />COMMENTS: <br />APPUR'IEMW <br />STIMICTURES: <br />Defective <br />SPNiwaya <br />Dewatering Device <br />Clogged <br />Faulty Getl <br />Baffles' Pumps <br />Oth er <br />Yes <br />N/A <br />N/A <br />NONE <br />COMMENTS: Leak in riser pipe - water level V below top of riser. Outlet pipe discharging. <br />ADDITIONAL COMMENTS: Look at options to repair leak in riser pipe. <br />MAINTENANCE REQUIRED: No other aspects of the structure are affecting stability or require any <br />maintenance. <br />INSPECTOR NAME: B. Scott Cowman (Senior Environmental Specialist), Will Dennis (P.E.) <br />sgc_engineenng ( \ \sgcenl) N SAGE CREEK /ENVIRONMENTAL/Permitong/CDPHE- Colorado Pubmc Health & Env /Pond Inspections <br />