HYDRO24539

• 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
Pater. Sedi~ent, or Slurry IApoundments
INSPECTOR'S NAME: (~~ K w , ~ _~ o ,,~ U ~ DATE: 1 Z - I ~(- Y,
N.P.D.E.S. I.D. NO.: ca-nnnm~T n
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FACILITY CONFIGURATION: nikad Pond DATE LAST INSPECTI ON: `~-/ 7 - ~ 7
SITE NAME: Nn rthw c~TpNn~~ndmPnt H003 LOCATION: SEaSW!s, Sec. 21, T6N, R87W
MINE NAME: Sanaca TT Mina (paabo Coal ,
p~anyl LOCATION: 7.1 mi. SE of Hayden, CO
,
MINE I.D. NO.: CMIRR Parmit. Nn. C-OO.r,-RO OWNER'S REP.: Don Zul ian, Suot.
Circle or write in appropriate response
1. Foundation preparation (removal of vegetation, stoops, topsoil?)
2. Lift thickness (inches)
3. Compaction according to approved plan
4. Burning (specify extent and location) N/A
5. Angle of slope {degreoE) 9c1 up.Straam 3~1 downstream. total
6. *Seepage (specify location, color, and approximate volone)
From underdrain pipes
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 crest
8. Cracks or scarps on slope
9. Sloughing or bulging on slope
10. *Major erosion problems
11. Surface movements in valley bottom or on hillside
12. *Erosion of. toe
13. *Water impounded against toe
14. Existing embankment freeboard (feet)
15. Increase Decrease in water level (feet)
16. Cracks, bulging, or erosion on upstream face
17. Visible sumps or sinkholes in slurry surface N/A
18. *Clogging
Spillway channels and pipes
Decant system N/A
Diversion ditc es
19. *Cracking or crushing of pipes
Spillway pipes ~i<<~~~ ~~q~S c~vc; c.i ~..JC a
Decant system
20. Trash racks clear and in place ~~/A

Yes No
~_ inches
Yes No
X>Gkxx~~
_ ~:l'~e'4reee.
XR7FXX~
Yes
Yes
Yes o
Yes
Yes
© No
Yes
Yes ®o
Yes io
Yes
Yes I~o
Yes
5 feet
O feet
Yes No
XN%XXNfd
Yes ~i`g~
Xili(XXNM
Yes
Yes No
R ~XXNrX
X~'6 x Xt{dl
*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, volune, etc.)
in the space on the back of this sheet.