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PHRIODIC INSPECTION FORM <br />• Water, Sedisent, or Slurry Impoundsents <br />INSPECTOR' S NAME: Dennis Jones DATE: ~-oZ3'~ 5 <br />NPDES I.D. NO.: N A / _~ <br />FACILITY C ONFIGURATION: Incised Pond DATE LAST INSPECTI ON: C~ <br />SITE NAME: Truck Wash Supp ly Pond LOCATION: NWT/. NEB/., Sec. 34, T6N, R87W <br />MINE NAME: Seneca Mine II (Seneca Coal Co) LOCATION: 7.1 mi. SE of Havden, CO <br />MINE I.D. NO.: CDMG Permit No. C- 80-005 OWNER'S REP.: Grea a Kitchen . Gen Mgr <br />Circle Or Wrlte In apprOOrl3te response <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />2. Lift thickness: 12 inch es <br />3. Compaction according to approved plan: Yes <br />4. Burning (specify extent and location): No <br />5. Angle of slope: 2:1 upstream, 2:1 downstream Total = 4 :1 <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: N_L <br /> At isolated points on embankment slopes: Yes o N/A <br /> At natural hillside: Yes No N/A <br /> Over widespread areas: Yes No N/A <br /> From downstream foundation area: Yes No N/A <br /> "Boils" beneath stream or ponded water: Yes No N/A <br />7. Cracks or scarps on crest: Yes No N/A <br />8. Cracks or scarps on slope: Yes No N/A <br />9. Sloughing or bulging on slope: Yes No N/A <br />10. *Major erosion problems: Yes No N/A <br />11. Surface movements in valley bottom or on hillside: Yes No N/A <br />12. *Erosion of toe: Yes No N/A <br />13. *Water impounded against toe: Yes No N/A <br />14. Exis ng embankment freeboard: (normal = 2.7') a•1 feet <br />15. Increase Decrease in water level: O~_ feet <br />16. Cracks, bulging, or erosion on upstream face: Yes No N/A <br />17. Visible sumps or sinkholes in slurry surface: NL <br />18. *Clogging <br /> Spillway channels and pipes: Yes Q N/A <br /> Decant system: N <br /> Diversion ditches: Yes No N/A <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes No N/A <br /> Decant system: NL <br />20. Trash racks clear and in place: NL <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 />