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PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry ImpG/oundments <br />INSPECTOR'S NAME: Dennis Jones DATE: (-~~~~~ <br />NPDES I . D. NO.: N A 05 <br />as <br />6 <br />FACILITY CONFIGURATION: Incised Pond DATE LAST - <br />- <br />INSPECTION: <br />SITE NAME: Truck Wash Settling_POnd LOCATION: NWT/, NE'/., Sec. 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 Mar <br />Circle or write in appropriate response <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />2. Lift thickness: N/A inches <br />3. Compaction according to approved plan: <br />4. Burning (specify extent and location): NL <br />5. Angle of slope: upstream, downstream Total = N A <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: <br /> At isolated points on embankment slopes: <br /> At natural hillside: NL <br /> Over widespread areas: N A <br /> From downstream foundation area: <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: N A <br />9. Sloughing or bulging on slope: <br />10. *Major erosion problems: Yes No N/A <br />11. Surface movements in valley bottom or on hillside: NL <br />12. *Erosion of toe: <br />13. *Water impounded against toe: N A <br />14. Existing embankment freeboard: (normal = 5.0') ~ feet <br />15. increase Decrease in water level: La[) [_~r.rs~ feet <br />16. Cracks, bulging, or erosion on upstream face: ~ ~A <br />i7. Visible sumps or sinkholes in slurry surface: <br />18. *Clogging <br /> Spillway channels and pipes: Yes No N/A <br /> Decant system: NL <br /> Diversion ditches: <br />19. *Cracking or crushing of pipes <br /> <br /> Spillway pipes: Yes No N/A <br /> Decant system: N A <br />20. Trash racks clear and in place: Yes No NfA <br />*Ma jor adverse changes in these items could cause instability and should be repor ted to the <br />Eng ineering Manager and Mine Superintendent for further evaluation. Adverse condit ions noted <br />in these items should normally be described (extent, location, volume, etc.) in th e space on <br />the back of this sheet. <br />