HYDRO23590

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 11/12/1987
• Doc Name: 3rd Qtr 1987 Inspections
• From: PEABODY COAL CO
• To: MLR
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Hater, Sediment, or Slurry Iepoundments
INSQSCTOR'S NAME: {~ ~ p ky~ l J V
' N.P.D.E.S. I.D. NO.: CO-0000221
FACILITY CONFIGURATION: Incised Pond
SITE NAME: .Wad a Im oundment N002
MINE NAME: Seneca Mine Peabody Coa
MINE I.D. NO .: CMLRB Permit No. C-0
DATE:
DATE LAST INSPECTION:
LOCATION:. NW;NEe, Sec. ,
LOCATION: mi. o ay en,
OWNER'S REP.: on u ran, up .
Circle or write in appropriate response
1. Foundation preparation (removal of vegetation, stumps, topsoil?) 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 (~agwe~- 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 ponde water 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. *Ma~or erosion problems
11. Surface movements in valley bottom or on hillside
12. *Erosion of toe N/A
13. *Water impounded against toe N/A
14. Existing embankment freeboard (feet) N/A
15. Increase / Decrease in water level (feet)~v~~,„vi;vM,..l lever{
16. Cracks, bulging, or erosion on upstream face N/A
17. Visible sumps or sinkholes in slurry surface N/A
18. *Clogging
Spillway channels and pipes
Decant system N/A
Diversion ditc es
19. *Cracking or crushing of pipes
Spillway pipes N//i
Decant system
20. Trash racks clear and in place N/A
Yes No
Yes No
-~Cfi-~:s
-_-€eet-
S feet
-Yee---~IFa-
'-~E S--e'ie-
Yes o
Yes No
*Ma,~or 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 norm ally be described (extent, location, volume, etc.)
in the space on the back of this sheet.