Laserfiche WebLink
PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments 9 - s - oS <br />INSPECTOR'S NAME: Dennis Jones DATE: a3 <br />NPDES I.. N.: N/A 419 6 <br />FACILITYDCONFIGURATION: Final Pit Impoundment DATE LAST INSPECTION: - <br />SITE NAME: PeaCoCo Reservoir LOCATION: SWY4 NW1/a, Sec. 2, TSN, R87W <br />MINE NAME: Seneca II Mine (Seneca Coal Co) LOCATION: 7.1 mi. SE of Hayden, CO <br />MINE I.D. NO.: CMLRD Permit No. C-82-057 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: inches <br />3. Compaction according to approved plan: Yes <br />4. Burning (specify extent and location): No <br />5. Angle of slope (degrees) degrees <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: N <br /> At isolated points on embankment slopes: Yes <br /> <br />At natural hillside: <br />Yes NN <br /> Over widespread areas: Yes r <br /> From downstream foundation area: Yes <br /> "Boils" beneath stream or ponded water: Yes <br />7. Cracks or scarps on crest: Yes No <br />8. Cracks or scarps on slope: Yes No <br />9. Sloughing or bulging on slope: Yes No <br />10. *Major erosion problems: Yes No <br />11. Surface movements in valley bottom or on hillside: Yes No <br />12. *Erosion of toe: Yes No <br />13. *Water impounded against toe: Yes No <br />14. Existing embankment freeboard: (normal = 6.11) 6_1 feet <br />15. Increase Decrease in water level: Wo ct%-u ESL feet <br />16. Cracks, bulging, or erosion on upstream face: Yes No <br />17. Visible sumps or sinkholes in slurry surface: N/A <br />18. *Clogging <br />Spillway channels and pipes: <br />Yes <br />No <br /> Decant system: N/A <br /> Diversion ditches: N/A <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes U <br /> Decant system: NA <br />20. Trash racks clear and in place: N/A <br />21. Discharge rate (gpm) W-j-4'9-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 in <br />these items should normally be described (extent, location, volume, etc.) in the space on the <br />back of this sheet.