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PERIODIC INSPECTION FOHDf <br />Water, Sediment, or Slurry ImyJo'u`ndments <br />INSPECTOR'S NAME: Dennis Jones DATE: c7 - ~~ ~ p `~ <br />NPDES I.D. NO.: N/A 0 <br />3 r <br />FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: <br />SITE NAME: Truck Wash Settling Pond LOCATION: NWT NEB. Sec. 34, T6N. 87W <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-8D-005 OWNER'S REP.: Gregg Kitchen, Gen Mar <br />Circle or write in aaDrouriate reaDOnae <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />2. Lift thickness: N A inches <br />3. Compaction according to approved plan: 1A <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: <br /> At isolated points on embankment slopes: N L <br /> At natural hillside: NLA <br /> Over widespread areas: i~(A <br /> From downstream foundation area: N[A <br /> "Boils" beneath stream or ponded water: Yes ©° N/A <br />7. Cracks or scarps on crest: N[A <br />8. Cracks or scarps on slope: NL <br />9. Sloughing or bulging on slope: NL <br />10. *Major erosion problems: Yes ~II(o~ N/A <br />~~~ <br />11. Surface movements in valley bottom or on hillside: NL <br />12. *Erosion of toe: NL <br />13. *Water impounded against toe: N[A <br />14. Existing embankment freeboard: (normal = 5.0') 5'.O feet <br />15. Increase Decrease in water level: U.o G~nc.~,.c~2 feet <br />16. Cracks, bulging, or erosion on upstream face: NLA <br />17. Visible sumps or sinkholes in slurry surface: NL <br />18. *Clogging <br /> Spillway channels and pipes: Yes Igo N/A <br /> Decant system: NL <br /> Diversion ditches: N A <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes No N/A <br /> Decant system: N(A <br />20. Trash racks clear and in place: Yes No N/A <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 <br />in these items should normally be described (extent, location, volume, etc.) in the space on <br />the back of this sheet. <br />