HYDRO20934

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 7/23/1987
• Doc Name: 2nd Qtr 1987 Inspections
• From: PEABODY COAL CO
• To: MLR
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

' ~ PERIODIC INSPECTION FORM
Mater, Sedi~ent, or Slurry Iepoundments
INSPECTOR'S NAME: II~pkK ~s ~o kPS DATE: _
N.P.D.E.S. I.D. NO.: co-nnnm7i n_P. noa
FACILITY CONFIGURATION: Cross-Valley Pond DATE LAST
SITE NAME: Cnnth Sartinn l7 Pnnd #n04 LOCATION:
MINE NAME: Genera ii Mine (Peabn ~ Coal Company LOCATION:
MINE I.D. NO.: f.MIRR Parmit Nn_ G n05-RO OWNER'S RI
G-Z~-~s7
INSPECTION: 3 -2 3-~ 7
SW~SE'a. Sec. 12. T5N. R87W
7.1 mi. SE of Havden. CO
=P•: .Don Zulian. Supt.
Circle or rr'1te in appropriate response
1. Foundation preparation (removal of vegetation, stumps, topso117)
2. Lift thickness (inches)
3. Compaction according to approved plan '
4. Burning (specify extent and location) N/A
5. Angle of Slope-fdegrs~ 5c1 upstream 7~1 downstream. to-al
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes
At isolated points on em ankment 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. *Ma~or 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
Ye No
~_ i nches
Yes No
Yxec~cxX~vc
= L'1.~'?~'e~•
es No
Yes
Yes
Yes 4~
Yes
YesYes o
Yes
Ye No
Yes ~
Yes
Yes
I~e No
Yes
feet
C~ feet
Yes
17.. Visible sumps or sinkholes in slurry surface N/A )0'J05XXN16
18. *Clogging
Spillway channels and pipes Yes ~
Decant system Yes
Diversion ditc es Yes No
19.
20.
*Cracking or crushing of pipes
Spillway pipes
Decant system
Trash racks clear and in place
Yes
Yes
A Xisi<XXp~
*Mafor 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,