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PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoun/dmen t[s <br />INSPECTOR'S NAME: Dennis Jones DATE: ~-I6 - o v <br />FADCILITYDCONFIGURATION: Final Pit ImDOUndment DATE LAST INSPECTION: ID ~~~oS <br />SITE NAME: PeaCoCO Reservoir LOCATION: SW~/. NWT/.. Sec' 2. TSN. R87W <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 Mar <br />Circle Or Wr1tB In apProprlate reSpon6e <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />2. Lift thickness: inches <br />3. Compaction according to approved plan: Yes <br />4. Burning (specify extent and location): No <br />5. Angle of slope (degrees) degrees <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: <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 />I1. Surface movements in valley bottom or on hillside: Yes No <br />12. *Erosion of toe: Yes No <br />13. *Water impounded against toe: Y <br />es No <br />14. Existing embankment freeboard: normal 6.1' ~ <br />1 <br />ra.~ feet <br />15. Increase Decrease in water level: hu C o..a~ fee <br />16. Cracks, bulging, or erosion on upstream face: Yes No <br />17. Visible sumps or sinkholes in slurry surface: <br />18. *Clogging <br /> Spillway channels and pipes: Yes <br /> Decant system: ~A <br /> Diversion ditches: NSA <br />19. *Cracking or crushing of pipes <br />Spillway pipes: <br />Yes <br />No <br /> Decant system: <br />20. Trash racks clear and in place: 1A <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 />