Laserfiche WebLink
PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Dennis Jones DATE: <br />NPDES I.D. NO.: N/A Q <br />FACILITY CONFIGURATION: Final Pit Impoundment DATE LAST INSPECTION: 0 l <br />SITE NAME: PeaCoCo Reservoir LOCATION: SW1/, NWT/,, Sec. 2, TSN, R87W <br />MINE NAME: Seneca II Mine (Seneca Coal Cc) LOCATION: 7.1 mi. SE of Hayden, CO <br />MINE I.D. NO.: CMLRD Permit No. C-82-057 OWNER'S REP.: Roy Karo, Gen Mgr <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/A <br /> At isolated points on embankment slopes: Yes <br /> At natural hillside: Yes <br /> over widespread areas: Yes <br /> From downstream foundation area: Yes <br /> "Boils" beneath stream or ponded water: Yes <br />7. Cracks or scarps on crest: Yes I <br />8. Cracks or scarps on slope: Yes <br />9. Sloughing or bulging on slope: Yes <br />10. *Major erosion problems: Yes <br />11. Surface movements in valley bottom or on hillside: Yes <br />12. *Erosion of toe: Yes <br /> <br />13. <br />*Water impounded against toe: <br />Yes N <br />14. Existing embankment freeboard: (normal = 6.11) ?.? feet <br />15. Increase Decrease in water level: ko cl.c?kyJQ feet <br />16. Cracks, bulging, or erosion on upstream face: Yes <br />17. visible sumps or sinkholes in slurry surface: N/A <br />18. *Clogging <br />Spillway channels and pipes: <br />Yes <br /> Decant system: N/A J <br /> Diversion ditches: N/A <br />19. *Cracking or crushing of pipes <br />Spillway pipes: <br />Yes <br />No <br /> Decant system: N/A <br />20. Trash racks clear and in place: N/A <br />21. Discharge rate (gpm) S_taA G? 1J2??- c?`?-'? 2 <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.