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INSPECTOR'S NAME: Dennis Jones <br />NPDES I.D. NO.: N/A <br />FACILITY CONFIGURATION: Final Pit Impoundment <br />SITE NAME: PeaCoCo Reservoir <br />MINE NAME: Peabody Sage Creek Mine <br />MINE I.D. NO.: CDRMS Permit No. C- 2009 -087 <br />Increase Decrease in water level: <br />Cracks, bulging, or erosion on upstream face: <br />Visible sumps or sinkholes in slurry surface: <br />*Clogging <br />Spillway channels and pipes: <br />Decant system: <br />Diversion ditches: <br />19. *Cracking or crushing of pipes <br />Spillway pipes: <br />Decant system: <br />20. Trash racks clear and in place: <br />21. Discharge rate (gpm) <br />16. <br />17. <br />18. <br />PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />DATE: b 23` () <br />Circle or write in appropriate response <br />DATE LAST INSPECTION: <br />LOCATION: SW NW%, Sec. 2, T5N, R87W <br />LOCATION: 7.1 mi. SE of Hayden, CO <br />OWNER'S REP.: Mike Ludlow <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />2. Lift thickness: <br />3. Compaction according to approved plan: <br />4. Burning (specify extent and location): <br />5. Angle of slope (degrees) <br />6. *Seepage (specify location, color, and approximate volume) <br />From underdrain pipes: N/A <br />At isolated points on embankment slopes: Yes <br />At natural hillside: Yes <br />Over widespread areas: Yes <br />From downstream foundation area: Yes <br />"Boils" beneath stream or ponded water: Yes <br />7. Cracks or scarps on crest: Yes <br />8. Cracks or scarps on slope: Yes <br />9. Sloughing or bulging on slope: Yes <br />10. *Major erosion problems: Yes <br />11. Surface movements in valley bottom or on hillside: Yes <br />12. *Erosion of toe: Yes <br />13. *Water impounded against toe: Yes <br />14. Existing embankment freeboard: (normal = 6.1') 6.( feet <br />15. feet <br />lnu c k -Gt►.Q <br />*Major adverse changes in these items could cause instability and should <br />Engineering Manager and Mine Superintendent for further evaluation. Adverse <br />these items should normally be described (extent, location, volume, etc.) <br />back of this sheet. <br />Yes <br />No <br />Yes <br />N/A <br />Yes <br />N/A <br />N/A <br />Yes <br />N/A <br />N/A <br />6 "l <br />inches <br />degrees <br />be reported to the <br />conditions noted in <br />in the space on the <br />