HYDRO23089

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 6/14/1990
• Doc Name: 2nd Qtr 1990 Inspections
• From: PEABODY COAL CO
• 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: Dennis Jones DATE: 5/7/90
NPD ES I.D. NO,: - D.P. 004
FAC ILITY CONFIGU ~: Cross-Valley Pond DATE LAST INSPECTION: 2/19/90
SIT E NAME: South Section 12 Pond k004 LOCATION:SW'/.SE'G, Sec.~TriR~fi37F!
MIN E NAME: eneca ine eaoo v oa o LOCATION: mi. ~ o ay en,
MIN E I.D. N ., ermit - - OWNER'S R .. on u ian, upt,
Circle or write in appropriate response
1. Foundation preparation (removal of vegetation, stumps, topsoil): _ Y~ No N/A
2. Lift thickness: 12 in. N/A
3, Compaction according to approved plan: es No N1A
4, Burning (specify extent and location): Yes No N/A
5. Angle of slope: 5:1 upstream, 2:1 downstream Total = 7:1 N/A
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: a ~
' No N/A
At isolated points on em an ment s open: }re
s NiA
At natural hillside: Yes N/A
Over widespread areas: Ye~~s N/A
From downstream foundation area: See comments ,, No N/A
"Boils" beneath stream or ponded wa er: Y-
es ® 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. *Major erosion problems: Yes ® N/A
11. Surface movements in valley bottom or on hillside: Yes ® N/A
12. *Erasion of toe: Yes ® N/A
13. *Water impounded against toe: Yes ® N/A
14. Existing embankment freeboard: 4.9 feet
15. Increase Decrease in water level: 0 feet
16. Cracks, bulging, or erosion on upstream face: Yes ® N/A
17. Visible sumps or sinkholes in slurry surface: Yes No N/
18. *Clpgging
Spillway channels and pipes: Yes Q N/A
Decant system: Yes ® N/A
Diversion ditches: Yes ® N/A
19. *Cracking or crushing of pipes
Spillway pipes: Yes 'I/A
Decant system: Yes N/A
20. Trash racks clear and in place: i~e 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.