HYDRO25918

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 11/18/2004
• Doc Name: 3rd Quarter 2004 Stockpond Inspections
• From: Seneca Coal Company
• To: DMG
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: Roy Karo
FACILITY CONFIGORATION: Stockpond
SITE NAME: T-1
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
DATE: ~ ~7 ~~
DATE LAST INSPECTION:
LOCATION: SW ,SE <, Sec 16, T5N, R88W
LOCATION: 8 mi S of Hayden, CO
OWNER'S REP.: Roy Karo
Circle or write in appropriate response
1
2
3
4
5
6
7
Angle o£ slope: 3:1 upstream, 3:1 downstream
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
Total = 6:1
Yes INo
Yes INo
Yes No
Yes No
Yes No
Cracks or scarps on crest:
Cracks or scarps on slope:
Sloughing or bulging on slope:
*Major erosion problems:
Suzface movements in valley bottom or on hillside:
8. *Erosion of toe:
9. *Water impounded against downstream toe:
10. Existing embankment freeboard:
11. Increase Decrease in water level:
12. Cracks, bulging, or erosion on upstream face:
13. Spillway erosion:
14. *Clogging
Spillway channels:
Diversion ditches: '
Yes 1 No
Yes 1 No
Yes 1 No
Yes No
Yes No
Yes N
Yes o
£eet
feet
Yes No
Yes No
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Yes ~ N/A
Yes N N/A
*Major adverse changes in these items could cause instability and should be reported to
the Engineering Manager and Mine Superintendent for further evaluation. Adverse
conditions noted in these items should normally be described (extent, location, volume,
etc.) in the space on the back of this sheet.
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