HYDRO22661

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 3/28/1988
• Doc Name: 1st Qtr 1988 Inspections
• From: PEABODY COAL CO
• To: MLRD
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Mater, Sedi~ent, or Slurry Ilapoundments
INSPECTOR'S NAME: IJek~~ ~6w,a5
N.P.D.E.S. I.D. NO.: rn_nnnro~T n P. nr8
FACILITY CONFIGURATION: ~rnss-Valley Pond
SITE NAME: Pnnri anns
MINE NAME; Sanaca Ti Mina~PPa~n y foal rnnlpanv)
MINE I.D. NO.; ['MI RR Parmit Nn f.-nnS-Rn
DATE: 3-L Z -gb
DATE LAST INSPECTION: /Z-I`I-~~
LOCATION: SWaN1JT:_ Sec. 7. T5N. R88W
LOCATION: 7,1 mi. SE of Ilavden. CO
OWNER'S REP.: Don Z~lian. Supt.
Circle or write in appropriate response
1. Foundation preparation (removal of vegetation, stumps, topsoil?)
2. Lift thickness (inches)
3. Compaction according to approved plan
4. Burning (specify extent and location) .NSA
5. Angle Of slope ~degreM~ 3.1 unctraam 3 el downstream. total
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes NSA
At isolated points on embankment s opes
At natural hillside
Over widespread areas
From downstream founds ion area
"Boils" beneath stream or ponde water _ _ _
7. Cracks or scarps on yrest _
8. Cracks or scarps on slope _
9. Sloughing or bulging on slope
10. *Ma~or erosion problems
11. Surface movements in valley bottom or on hillside
12. *Erosion of toe
13. *Water impounded against toe _
14. Exis log embankment freeboard
15. ~ Increase Decrease
16. Cracks, bulging, or erosion on
Ye No
~_ i nches
Yes No
YX~CS(XX~9C
= 5~:1'~.
XR7IXXN1@
Yes
Yes o
Yes o
Yes o
Yes o
Yes Q
Yes ©o
Yes ©o
Yes
Yes Qo
Yes
Yes No
(feet) pyiv~c.io~e sa:~(w~-v ~~ cve~~ Q, •` feet
in water le~f ) ~ -~' ~ ~-0 "'? feet
upstream face Yes
17. Visible sunps or sinkholes in slurry surface N/A )6~tl5(XXVb
18. *Clogging
Spillway channels and pipes
Decant system
Diversion ditc e~
es No
~Yx~x~iac
cxXVpc
19. *Cracking or crushing of pipes
Spillway pipes Yes No
Decant system N X#VIX
20. Trash racks clear and in place Yes 'No
*Ma,jor 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.