HYDRO22526

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 1/15/1988
• Doc Name: 4th Qtr 1987 Inspections
• From: PEABODY COAL CO
• To: MLRD
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Yater. Sediment. or Slurry Iepoundments
INSPECTOR'S NAME: ~/~.Q~,.,,.:s ~oU4 s
N.P.D.E.S. I.D. NO.: rn_nn0~71 n.P. nna
FACILITY CONFIGURATION: Cross-Valley Pond
SITE NAME: Snirth Sartinn 17 Pnnd ann4
MINE NAME: ~ Svnaca ii Mine (Paahn y Cnal Comoanvl
MINE I.D. NO.: f.Ml RR Parmit Nn_ f.-nnri-Rn
DATE:. c!-? S-S~
DATE LAST INSPECTION: 6 -~ -?56
LOCATION: ~!aSEy, Sec. 12. T5N. R81W
LOCATION: 7 1 mi. SE of Flavden. CO
OWNER'S REP.: Don Zulian. Soot.
Circle ar ririte in appropriate response
1. Foundation preparation (removal of vegetation, stoops, topsoil7) Ye No
2. Lift thickness (inches) ~Z inches
3. Compaction according to approved plan Yes No
4. Burning (specify extent and location) N/A YXEI~(xX~9(
i 5. Angle of Slope ~degre~ 5.1 unctraam 7~1 downstream. total = ]~'de'!~~
6. *Seepage (specify location, color, and approximate volume}
From underdrain pipes ~ No
At isolated points on embankment s opes Yes
At natural hillside Yes Q4n7
Over widespread areas Yes ~Cd
From downstream founds loo area es No
"Boils" beneath stream or ponde water Yes ®o
7. Cracks or scarps on crest Yes No
8. Cracks or scarps on slope Yes No
9. Sloughing or bulging on slope Yes No
10. *Major erosion problems Yes No
11. Surface movements in valley bottom or on hillside Yes No
12. *Erosion of toe Yes No
13. *Water impounded against toe Yes No
14. Existing embankment freeboard (feet) _~ feet
15. Increase _~ Decrease in water level (feet) .rd cPis.l.~~Ge ~k~ue,.d c~,L feet
16. Cracks, bulging, or erosion on upstream face Yes Q
17. Visible sumps or sinkholes in slurry surface IJ/A W~6'(Xkib
18. *Clogging
Spillway channels and pipes Yes o
Decant system Yes
Diversion ditc es Yes
19. *Cracking or crushing of pipes
Spillway pipes Yes
Decant system Yes o
20. Trash racks clear and in place N/A XXiIXXpii
*Ma,)or 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.