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HYDRO29281
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HYDRO29281
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Entry Properties
Last modified
8/24/2016 8:48:17 PM
Creation date
11/20/2007 10:37:34 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982057
IBM Index Class Name
Hydrology
Doc Date
12/4/2006
Doc Name
4th Quarter 2006 Pond Inspection Report
From
Seneca Coal Company
To
DRMS
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: Dennis Jones DATE: IU ' l3 '~ <br />NPDES I.D. NO.: N/A <br />FACILITY CONFIGURATION: Cross-Valley Pond DATE LAST INSPECTION: ~' 7- U <br />SITE NAME: Pond #016A LOCATION: NEi/. SEA/.. Sec. 27, TSN, R88W <br />MINE NAME: Seneca II-W Mine (Seneca Coal Co ) LOCATION: 8 mi. S 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: in. <br />3. Compaction according to approved plan: <br />4. Burning (specify extent and location): No <br />5. Angle of slope: 3:1 upstream, 3:1 downstream Total = 61 <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: N A <br /> At isolated points on embankment slopes: Yes o N/A <br /> At natural hillside: Yes No N/A <br /> Over widespread areas: Yes o N/A <br /> From downstream foundation area: es No N/A <br /> "Boils" beneath stream or ponded <br />water: Yes ~ N/A <br />7. n <br />Cracks or scarps on crest: SIM_a ~~ rJC44 5ei~ GVoc.~S Ye No N/A <br />8. Cracks or scarps on slope: Yes No N/A <br />9. Sloughing or bulging on slope: Yes No N/A <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 N/A <br />13. *Water impounded against toe: Yes N N/A <br />14. Existipg embankment freeboard: (normal = 4.5') ~ feet <br />15. ~~ Increase Decrease in water level: (~•3 feet <br />16. Cracks, bulging, or erosion on upstream face: Yes Ifo N/A <br />17. Visible sumps or sinkholes in slurry surface: _NL <br />18. *Clogging <br /> Spillway channels and pipes: Yes No N/A <br /> Decant system: N A <br /> Diversion ditches: <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes No N/A <br /> Decant system: N A <br />20. Trash racks clear and in place: ~ 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 in <br />these items should normally be described (extent, location, volume, etc.) in the space on the <br />back of this sheet. <br />
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