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PERIODIC INSPECTION FORM <br />water, Sediment, or Slurry Ia~oundmente <br />INSPECTOR'S NAME: Dennis Jones DATE: U6/28/O1 <br />NPDES I.D. NO.: _~ <br />FACILITY CONFIGURATION: Final Pit Impoundment DATE LAST INSPECTION: Q3/30/01 <br />SITE NAME: PeCoCo Reservoir LOCATION: SW'li NWi6 Sec. 2. TSN R67W <br />MINE NAME: Seneca II Mine (Seneca Coal Co) LOCATION: 7.1 mi. SE of Hayden CO <br />MINE I.D. NO.: CMLRD Permit No. C-82-057 OWNER'S REP.: Greaa Kitchen. Gen Mgr <br />Circle or write in sovrovriate reanonee <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: _ _ Yes No <br />2. Lift thickness: inches <br />3. Compaction according to approved plan: Yes No <br />4. Burning (specify extent and location): Yes No <br />5. Angle of slope (degrees) degrees <br />6. "Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: NL <br /> At isolated points on embankment slopes: Yes No <br /> At natural hillside: Yes No <br /> Over widespread areas: Yes No <br /> From downstream foundation area: Yes No <br /> "Boils" beneath stream or ponded water: Yes No <br />7. Cracks or scarps on crest: Yes No <br />8. Cracks or scarps on slope: Yes No <br />9. Sloughing or bulging on slope: Yes No <br />10. 'Major erosion problems: Yes No <br />11. Surface movements in valley bottom or on hillside: Yes No <br />12. *Erosion of toe: Yes No <br />13. 'Water impounded against toe: Yes No <br />14. Existing embankment freeboard: (normal = 6 1') 6.1 feet <br />15. _ Increase Decrease in water level: No chance feet <br />16. Cracks, bulging, or erosion on upstream face: Yes No <br />17. Visible sumps or sinkholes in slurry surface: 1A <br />18. 'Clogging <br /> Spillway channels and pipes: Yes No <br /> Decant system: NL <br /> Diversion ditches: - N <br />19. 'Cracking or crushing of pipes -- <br /> Spillway pipes: Yes No <br /> Decant system: _ NL <br />20. Trash racks clear and in place: N1A. <br />'Major adverse changes in these items could cause instability and should be reported to the <br />Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted in <br />these items should normally be described (extent, location, volume, etc.) in the space on the <br />back of this sheet. <br />