HYDRO28165

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 9/5/1989
• Doc Name: 3rd Qtr 1989 Inspections
• From: PEABODY COAL CO
• To: MLRD
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
1Jater, Sediment, or Slurry Impoundments
INSPECTOR'S NAME: Dennis Jones DATE: 8/3!89
NPD ES I.D. NO.: - D.P. 003
FAC ILITY CONFIGU Diked Pond DATE LAST INSPECTION:
SIT E NAME: Northwest Im oundment #003 LOCATION: SE'GSW'/,Sec. ToN. rz~~
MIN E NAME: Seneca ine ea o y oa o LOCATION: mi. ~ o avaen,
MIN E I.D. N .: ermit - - OWNER'S R .. on u pan, uot.
Circle or write in appropriate response
1. Foundation preparation (removal of vegetation, stumps, topsoil): _ es No N/A
2. Lift thickness: 12 in. N/A
3. Compaction according to approved plan: Y~s~ No N/A
4. Burning (specify extent and location): Yes No N/A
5. Angle of slope: 2:1 upstream, 3:1 downstream T otal = 5:1 N/A
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yes No Ly.[~
At isolated points on emban ment s opes: Yes No N/A
At natural hillside: Yes cNo N/A
Over widespread areas: Yes ~ N/A
from downstream foundation area: Yes ~ N/A
"Boils" beneath stream or ponded water: Yes CL~9~ N/A
7. Cracks or scarps on crest: Yes ~ N/A
8. Cracks or scarps on slope: Yes ~ N/A
9. Sloughing or bulging on slope: Yes ~ N/A
10. *P4ajor erosion problems: Yes ~ N/A
11. Surface movements in valley bottom or on hillside: Yes ~' N/A
12. *Erosion of toe: Yes ~ N/A
13. *Water impounded against toe: Yes !o N/A
14. Existing embankment freeboard: 5 feet
15. Incrzasz Decrease in water level: ~_ feet
16. Cracks, bulging, or erosion on upstream face: Yes ~ N/A
17. Visible sumps or sinkholes in slurry surface: Yes No NL/A~
18. *Clogging
Spillway channels and pipes: Yes ® N/A
Decant system: - Yes No ~~
Diversion ditches: Yes LNo~, N/A
19. *Cracking or crushing of pipes
Spillway pipes: Yes ~[59~ N/A
Decant system: Yes No
20. Trash racks clear and in place: cYe~ No N/A
•Major adverse changes in these items could cause instability and should be reported to
the Engineering Manaoer 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.