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' PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Dennis Jones DATE: 03/22/94 <br />NPDES I.D. NO.: CO-0000221 D.P. 002 <br />FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: 12/20/93 <br />SITE NAME: Wadoe Impoundment #002 LOCATION: NWT NE%, Sec. 34, T6N, R87W <br />MINE NAME: Seneca Mine fPeabodv Coal Co.l LOCATION: 7.1 mi. SE of Havden, CO <br />MINE I.D. NO.: CMLRD Permit No. C-005-80 OWNER'S REP.: Scott Williams, Supt. <br />Circle or write in aDP rOpriate reSDpnse <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes No CN[~ <br />2. Lift thickness: in. ~%A <br />3. Compaction according to approved plan: Yes No <br />4. Burning (specify extent and location): Yes No <br />5. Angle of slope: upstream, downstream Total = N/ <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: Yes No <N_1~ <br /> At isolated points on embankment slopes: Yes No tJ y <br /> At natural hillside: Yes _ <br />~ N/A <br /> Over widespread areas: Yes Qjpi N/A <br /> From downstream foundation area: Yes No ~ry <br /> "Boils" beneath stream or ponded water: Yes ~ N/A <br />7. Cracks or scarps on crest: Yes No ~N /~ <br />8. Cracks or scarps on slope: Yes No /A <br />9. Sloughing or bulging on slope: Yes No JA' <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 ~1~ <br />13. *Water impounded against toe: Yes No LN (~ <br />14. Existing embankment freeboard: N A feet <br />15. X Increase Decrease in water level: 0.1 feet <br />16. Cracks, bulging, or erosion on upstream face: Yes No N(~ <br />17. Visible sumps or sinkholes in slurry surface: Yes No /A~ <br />18. *Clogging <br /> Spillway channels and pipes: Yes ~q~ N(A <br /> Decant system: Yes No ~~ <br />- Diversion ditches: Yes ~~ N/A <br />19. *Cracking or crushing of pipes <br /> spillway pipes: Yes No ~(A~i <br /> Decant system: Yes No ~Kjg: <br />20. Trash racks clear and in place: es 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 />