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
rrffll Pater, Sediment, or Slurry Impoundments
. _ INSRECTOR'S NAME: ule ~n ~ ~S .~]Gl.. p ~ DATE: ~- / 7 - Cs 7
N.P.D.E.S. I.D. NO.: cn-nnnro~i n_P_ nna
FACILITY CONFIGURATION: Cross-Valley Pond DATE LAST INSPECTION: ~ - ~ Z - ~ 7
SITE NAME: Snnth Cart inn 19 Pnnd Anna LOCATION: SW%SE%. Sec. 12. T5N. R87W
MINE NAME: Samara TT Mina 1 aabndy Cnal Company) LOCATION: 7,1 mi. SE of Havden. CO
MINE I.D. NO.: f.MIRR Parmit Nn_ C-nor,-An OWNER'S REP.: Don Zulian. Supt.
Circle or write in appropriate response
1. Foundation preparation (removal of vegetation, stumps, topsoil?) Ye No
2. Lift thickness (inches) ~Z inches
3. Compaction according to approved plan Yes No
4. Burning (specify extent and location) N/A YX~I~(XX~'kC(
~ 5. Angle of s10pe~degre~ ri~1 i~nstraam, 7'1 downstream. total = ]~'de'9~•'
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes es No
At isolated points on embankment s opes es i4~n
At natural hillside Yes
Over widespread areas Yes ~
From downstream foundation area Yes
"Boils" beneath stream or ponde water Yes o
7. Cracks or scarps on crest ~e No
8. Cracks or scarps on slope ~ No
9. Sloughing or•bulging on slope Yes
10. *Ma~or erosion problems Yes !o
11. Surface movements in valley bottom or on hillside Yes to
12. *Erosi on of toe Q (~j
13. *Water impounded against toe
14. Existing embankment freeboard (feet) S feet
15. Increase Decrease in water level (feet) U feet
16. Cracks, bulging, or erosion on upstream face Yes i~o
17. Visible sumps or sinkholes in slurry surface N/A )~(Xklb
18. *Clogging
Spillway channels and pipes Yes
Decant system Yes
Diversion ditches Yes
19. *Cracking or crushing of pipes
Spillway pipes Yes Q
Decant system Yes Ct~
20. Trash racks clear and in place ~ N/A X~HX XNB
*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.