HYDRO21026

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/6/1992
• Doc Name: 3rd Qtr 1992 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: Tom Wainwri ht DATE: 09/22/92
NPD ES I.D. NO.: - D.P.00
FAC ILITY CONFIGU ~: Cross-Valley Pon DATE LAST INSPECT ION: OS p7 92
SIT E NAME: Pond #008 LOCATION:SW~/~NW'/., Sec. 7, TSN, R8 W
MIN E NAME: eneca ine ea o y oa o LOCATION: mi. o ay en,
MIN E I.D. N .: ermi - - OWNER'S R .: Sc ott Williams, Supt
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: ~ No N/A
4. Burning (specify extent and location): Yes No ~
5. Angle of slope: 3:1 upstream, 3:1 downstream Total = 6:1 N/A
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yes No
At isolated points on em an ment s opes: Yes N/A
At natural hillside: Yes No IJ/A
Over widespread areas: Yes o N/A
From downstream foundation area: Yes o N/A
"Boils" beneath stream or ponded wa er: Yes o N/A
7. Cracks or scarps on crest: Yes ©o N/A
8. Cracks or scarps on slope: Yes No N/A
9. Sloughing or bulging on slope: Yes ©o N/A
10. *Major erosion problems: Yes N~ N/A
11. Surface movements in valley bottom or on hillside: Yes ®o N/A
12. *Erosion of toe: Yes ©o N/A
13. *Water impounded against toe: Yes ©o N/A
14. Existing embankment freeboard: g feet
15. Increase Decrease in water level: Same feet
16. Cracks, bulging, or erasion on upstream face: Yes No N/A
17. Visible sumps or sinkholes in slurry surface: Yes No N/
18. *Clogging
Spillway channels and pipes: Yes ©o N/.4
Decant system: Yes No l97
Diversion ditches: Yes No ~~
19. *Cracking or crushing of pipes
Spillway pipes: Yes to N/A
Decant system: Yes No ~
20. Trash racks clear and in place: es~ No N/A
*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.