2012-11-05_HYDROLOGY - C1982057

• Permit No: C1982057
• IBM Index Class Name: HYDROLOGY
• Doc Date: 11/5/2012
• Doc Name: 3rd Quarter 2012 Stockpond Inspections
• From: Seneca Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: JLE
• Email Name: SB1
• Media Type: D
• Archive: No

INSPECTOR'S NAME: Dennis Jones
FACILITY CONFIGURATION: Stockpond
SITE NAME: T -3
MINE NAME: Seneca II -W
MINE I.D. NO.: C -82 -057
PERIODIC INSPECTION FORM
Stockponds or Sumps
DATE:
Circle or write in appropriate response
1. Angle of slope: 4.3:1 upstream, 2.9:1 downstream Total = 7.2:1
2. *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:
3. Cracks or scarps on crest:
4. Cracks or scarps on slope:
5. Sloughing or bulging on slope:
6. *Major erosion problems:
7. Surface movements in valley bottom or on hillside:
8. *Erosion of toe:
9. *Water impounded against downstream toe:
10. Existing embankment freeboard: $ +era- to d(oc.)
11. Increase Decrease in water level:
12. Cracks, bulging, or erosion on upstream face:
13. Spillway erosion:
14. *Clogging
Spillway channels:
Diversion ditches:
Comments:
9- / 5 ` 2 s -17- /
DATE LAST INSPECTION:
LOCATION: NW%SEl %, Sec
LOCATION: 8 ml S
OWNER'S REP.: Dennis
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
22, TSN, R88W
of Hayden, CO
Jones, Manager
No
No
No
No
No
No
No
No
No
No
No
No
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
feet
feet
Yes fcin N/A
Yes No N/A
N/A
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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