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PERIODIC INSPECTION FORM <br /> Water, Sediment, or Slurry Impoundments <br /> ~ ~°~~~ <br />INSPECTOR' S NAME: Dennis Jones DATE: <br />NPDES I.D. <br />FACILITY C NO.: N A <br />ONFIGURATION: Incised Pond <br />DATE LAST INSPECTION 'D <br />: <br />SITE NAME: Truck Wash Settling Pond ~ LOCATION: NWT/. NEB/. S ec. 34, T6N, R87W <br />MINE NAME: Seneca II Mine (Seneca Coal Co ) LOCATION: 7.1 mi. SE of Hayden CO <br />MINE I.D. NO.: CDMG Permit No. C-80-005 OWNER'S REP.: Gregg Kitchen, Gen Mgr <br />Circle Or write in appropriate response <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yew <br />2. Lift thickness: N A inches <br />3. Compaction according to approved plan: NL <br />4. Burning (specify extent and location}; <br />5. Angle of slope: upstream, downstream Total = N/A <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: 1A <br /> At isolated points on embankment slopes: <br /> At natural hillside: <br /> Over widespread areas: L <br /> From downstream foundation area: NL <br /> "Boils" beneath stream or ponded water: Yes No N/A <br />7. Cracks or scarps on crest: <br />8. Cracks or scarps on slope: <br />9. Sloughing or bulging on slope: <br />10. *Major erosion problems: Yes N6 N/A <br />11. Surface movements in valley bottom or on hillside; <br />12. *Erosion of toe: <br />13. *Water impounded against toe: ~A <br />14. Existing embankment freeboard: (normal = 5,0') $•~ feet <br />15. Increase Decrease in water level: hO cl~waaSL feet <br />16. Cracks, bulging, or erosion on upstream face: ~ <br />I7. Visible sumps or sinkholes in slurry surface: <br />18. *Clogging <br /> Spillway channels and pipes: Yes No N/A <br /> Decant system: <br /> Diversion ditches: <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes No N/A <br /> Decant system: N <br />20. Trash racks clear and in place: Yes No N/A <br />*Ma jor adverse changes in these items could cause instability and should be reported to the <br />Eng ineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted <br />in these items should normally be described (extent, location, volume, etc.) in the space on <br />the back of this sheet. <br />