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HYDRO30147
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HYDRO30147
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Entry Properties
Last modified
8/24/2016 8:48:56 PM
Creation date
11/21/2007 12:00:04 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980005
IBM Index Class Name
Hydrology
Doc Date
10/13/1995
Doc Name
3rd Qtr 1995 Inspections
From
SENECA COAL CO
To
DMG
Permit Index Doc Type
SEDIMENT POND INSPECTIONS
Media Type
D
Archive
No
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PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Rov Karo DATE: 09/25/95 <br />NPDES I.D. NO.: N/A <br />FACILITY CONFIGURATION: Final Pit Impoundment DATE LAST INSPECTION: 06/28/95 <br />SITE NAME: PeCoCo Reservoir LOCATION: NW y. Sec. 2, T6N, 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.: Scott Williams. Gen Mar <br />Circle or write in appropriate response <br /> <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: es No <br />2. Lift thickness: inches <br />3. Compaction according to approved plan: es No <br />4. Burning (specify extent and location): Yes ©° <br />5. Angle of slope (degrees) degrees <br />6. •Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: Yes <br /> At isolated points on embankment slopes: Yes <br /> At natural hillside: Yes o <br /> Over widespread areas: Yes o <br /> From downstream foundation area: Yes <br /> "Boils" beneath stream or ponded water: Yes o <br />7. Cracks or scarps on crest: Yes o <br />8. Cracks or scarps on slope: Yes <br />9. Sloughing or bulging on slope: Yes o <br />10. *Major erosion problems: Yes o <br />11. Surface movements in valley bottom or on hillside: Yes <br />12. *Erosion of toe: Yes o <br />13. *Water impounded against toe: Yes <br />14. Existing embankment freeboard: See comments 6.0 feet <br />15. Increase Decrease in water level: No chanoe Eeet <br />16. Cracks, bulging, or erosion on upstream face: Yes <br />17. Visible sumps or sinkholes in slurry surface: Yes <br />18. *Clogging <br /> Spillway channels and pipes: Yes o <br /> Decant system: Yes <br /> Diversion ditches: Yes o <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes <br /> Decant system: Yes ®° <br />20. Trash racks clear and in place: es No <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 />
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