HYDRO20302

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 12/31/1992
• Doc Name: 4th Qtr 1991 Inspections
• From: PEABODY WESTERN
• To: MLRD
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Water, Sediment, or Slurry Impoundments
INSPECTOR'S NAME: e ~ Jones
NPDES I.D. NO.: - D.P. 003
FACILITY CONFIGU ~: Diked Pond
SITE NAME: Northwest [m oundment X003
MINE PJAME: Seneca ~ ine ea o y oa o
MINE I.D. N .: ermi - -n
Circle or write in a
DATE: 12/08/92
DATE LAST INSPECTION:
LOCATION: SE'/.SW'L,Sec. ,. To
LOCATIONJ: mi. or ay en,
OWNER'S REP,: ccott 4Jilliams, Supt
fate 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: ~~ No N/A
4. Burning (specify extent and location): Yes No N/A
5. Angle of slope: 2:1 .upstream, 3:1 downstream Total = 5:1 N/A
6. *Seepage (specify location, Color, and approximate volwne)
From underdrain pipes: Yes No ~f~y
At isolated points on em an ment s opes: Yes Jo N/A
At natural hillside: Yes o N/A
Over widespread areas: Yes ~o N/A
From downstream foundation area: Yes No N/A
"Boils" beneath stream or ponded watier: Yes N/A
7, Cracks or scarps on crest:" Yes No N/A
8. Cracks or scarps~on slope: Yes No
9. Sloughing or bulging an slope: Yes No N/A
10. *Major erosion problems: Yes No N/A
11. Surface movements in valley bottom or on hillside: Yes .~ N/A
12. *Erosion of toe: Yes No N/A
13. *Water impounded against toe: Yes No N/A
14. Existing embankment freeboard: 4.8 feet
15. Increase _~ Decrease in water level: 0.4 feet
16. Cracks, bulging, or erosion on upstream face: Yes ®o N/A
17. Visible sumps or sinkholes in slurry surface: Yes No N~/AJ
18. *Clogging
Spillway channels and pipes: Yes Vo N/,4
Decant system: Yes No ~I /~
Diversion ditches: Yes 1Jo N/A
19. *Cracking or crushing of pipes
Spillway pipes: Yes No N/A
Decant system: Yes No ~Nv/l~
20. Trash racks clear and in place: Yes No N/A
*Major adverse changes in these items could cause instabifit.y and should be reported to
the Engineering Manager and ~~1ine Superintendent far further evaluation. Adverse condi-
tions noted in these items should normally be described (ext.ent, location, volume, etc.)
in the space on the back of this sheet.