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PBRIODIC IN9PECTION FORM <br />Water, Sediment, or 91urry Impoundments <br />INSPECTOR'S NAME: _Dennis Jones DATE: 03/29/95 <br />NPDES I.D. NO.: N/A <br />FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: 12/15/94 <br />SITE NAME: Truck Wash Suooly Pond LOCATION: NW#. NEy. Sec 34. T6N. R87W <br />MINE NAME: Seneca Mine II (Seneca Coal Co) LOCATION: 7 mi. SE of Hayden. CO <br />MINE I.D. NO.: CDMG Permit No. C-80-005 OWNER'S REP.: Scott Williams. Gen Mar <br />Circle or write in aoorooriate reanonae <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: es No N/A <br />2. Lift thicY.ness: 12 inc hes <br />3. Compaction according to approved plan: ems No N/A <br />4. Burning (specify extent and location): Yes 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: Yes No /A~ <br /> At isolated points on embankment slopes: Yes N/A <br /> At natural hillside: Yes o N/A <br /> Over widespread areas: Yes o N/A <br /> From downstream foundation area: Yes o N/A <br /> "Boils" beneath stream or ponded water: Yes N/A <br />7. Cracks or scarps on crest: Yes o N/A <br />8. Cracks or scarps on slope: Yes ~ N/A <br />9. Sloughing or bulging on slope: Yes o N/A <br />10. +Major erosion problems: Yes to N/A <br />11. Surface movements in valley bottom or on hillside: Yes 1~ N/A <br />12. +Erosion of toe: Yes N/A <br />13. *Water impounded against toe: Yes o N/A <br />14. Existing embankment freeboard: See comments 2.5 feet <br />15. X Increase Decrease in water level: 1 feet <br />16. Cracks, bulging, or erosion on upstream face: Yes No N A <br />17. Visible sumps or sinkholes in slurry surface: Yes No N/A <br />18. *Clogginq <br /> Spillway channels and pipes: Yes Q N A <br /> Decant system: Yes No /A <br /> Diversion ditches: Yes ~ <br />-, <br />V N A <br />19. +Crackinq or crushing of pipes <br /> Spillway pipes: Yes ® N <br /> Decant system: Yes No 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 />