HYDRO20721

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 11/8/1983
• Doc Name: Memo on Quarterly Pond Inspections to be Done
• From: PEABODY COAL CO
• To: CRAIG JENNINGS
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Mater, Sediment, ar Slurry Lpoundments
INSPECTOR'S NAME:
N.P.D.E.S. I.D. NO.: CO-0000221 D.P. 002
FACILITY CONFIGURATION: Incised Pond
SITE NAME: Wad a Im oundment 1/002
MINE NAME: Seneca Mine Peabody Coal Company
MINE I.D. NO.: CMLRB Permit No. C-005-80
DATE:
DATE LAST INSPECTION:
LOCATION: NW',NE;, Sec.-3~T6N; RS7W
LOCATION: mi. o ay en,
OWNER'S REP.: on u ian, up .
Circle or trite in appropriate response
1. Foundation preparation (removal of vegetation, stumps, topsoil7) N/A
2. Lift thickness (inches) N/A
3. Compaction according to approved plan N/A
4. Burning (specify extent and location) N/A
5. Angle of slope ~gwaos.~ N/A
6. *Seepage (specify location, color, and approximate volume)
from underdrain pipes N/A
At isolated points on embankment s opes N/A
At natural hillside N/A
Over widespread areas N/A
From downstream foundation area N/A
"Boils" beneath stream or ponderwater N/A
7. Cracks or scarps on crest N /A
8. Cracks or scarps on slope N /A
9. Sloughing or bulging on slope N/ A
10. *Major erosion problems
Yes '~-
~~ .,_
-rcr~-
„__ .,_
-,z.~„~
Yes No
11. Surface movements in valley bottom or on hillside Yes No
12. *Erosion of toe N/A Yee~::-
13. *Water impounded against toe N/A YeS~'i:,-
14. Existing embankme nt freeboard (feet) N/A ---feeir
15. Increase Decrease in water level (feet) _ feet
16. Cracks, bulging, or erosion on upstream face N/A -~Fer~le-
17. Visible sumps or sinkholes in slurry surface N/A Yes~:e-
18. *Clogging
Spillway channels and pipes Yes No
Decant system N/ 'fer--Ne-
Diversion ditc es Yes No
19. *Cracking or crushing of pipes
Spillway pipes Yes No
Decant system -1~ei--~le-
20. Trash racks clear and in place N/A -Sher-~le-
*Major adverse changes in these items could cause instability and should be reported to
the Engineering Manager and Mine Superintendent for further evaluation. Adverse condi-
tions noted in these items should normally be described (extent, location, volume, etc.)
in the space on the back of this sheet.