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HYDRO30319
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HYDRO30319
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Entry Properties
Last modified
8/24/2016 8:49:04 PM
Creation date
11/21/2007 12:15:24 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1994082
IBM Index Class Name
Hydrology
Doc Date
12/12/2001
Doc Name
4th Q 2001 Sediment Pond Inspections
From
Seneca Coal Company
To
DMG
Permit Index Doc Type
Sediment Pond Inspections
Media Type
D
Archive
No
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PERIODIC INSPECTION FORM <br />-Jater, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: ~P tn y. 4S ~16~e.S DATE: ~1`Z`b <br />NPDES I.D . NO.: CO-000 0221 D.P. 010 ' <br /> <br />FACILITY <br />CONFIGURATION: <br />Cross-Vallev Pond ~ <br />DATE LAST INSPECTION: ~ =~r ~~ <br />-v 1 <br />SITE NAME : Pond # 010 LOCATION: NNP/a NE'/a Sec. 8. T SN. R8 W <br />MINE NAME : Yoast MinelSe neca Coal Co) LOCATION: 8.5 mi. SE of Hamde n, CO <br />MINE I.D. NO.: CM LRD Permit No. C-94-082 OWNER S REP.; Greaa Kitchen, Gen Mar <br />Circle or write in appropriate response <br />1. Foundation preparation iremoval of vegetation, stumps, topsoil: ~e s~ <br />2. Lift thickness: 8 in . <br />3. Compaction according to approved plan: Yep <br />4. Burning (specify extent and location): No <br />5. Angle of slope: 3.75:1 upstream, 3 75:1 downstream Total = 7.5: 1 <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: Yes o N/A <br /> At isolated points on embankment slopes: Yes No N/A <br /> At natural hillside: Yes No N/A <br /> Over widespread areas: Yes No N/P. <br /> From downstream foundation area: Yes No N/A <br /> ^BOils" beneath stream or ponded water: Yes No N/A <br />7. Cracks or scarps on crest: Yes 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. *Maj or 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 No N/A <br />14. Existing embankment freeboard: (normal = 10 0') /f_1,~ feet <br />15. ~ Decrease in water level: <br />Increase _ O,~ feet <br />16. _ <br />Cracks, bulging, or erosion on upstream face: Yes ~ N/A <br />17. Visible sumps or sinkholes in slurry surface: NLA <br />18. *Clogging <br /> Spillway channels and pipes: Yes No N/A <br /> Decant system: N/A <br /> Diversion ditches: NL <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes Na N/A <br /> Decant system: NLA <br />20. Trash racks clear and in place: N(~ <br />*Major adverse changes in these items could cause instability and shou ld be reported to <br />the Engineering Manager and Mine Superintendent for further evalu ation. Adverse <br />conditions noted in these items should normally be described (extent, location, volume, <br />etc.) in the space on the back of this sheet. <br />
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