2011-07-28_HYDROLOGY - C1982057 ‎(2)‎

• Permit No: C1982057
• IBM Index Class Name: HYDROLOGY
• Doc Date: 7/28/2011
• Doc Name: 2nd Quarter 2011 Stockpond Inspections
• From: Seneca Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: SLB
• Email Name: SB1
• Media Type: D
• Archive: No

INSPECTOR'S NAME: Dennis Jones
FACILITY CONFIGURATION: Stockpond
SITE NAME: T -1
MINE NAME: Seneca II -W
MINE I.D. NO.: C -82 -057
Comments:
PERIODIC INSPECTION FORM
Stockponds or Sumps
Circle or write in a
G ?c
DATE LAST INSPECTION: 3 ^/Q " `t
DATE:
LOCATION: SW' %SE' %, Sec 16, T5N, R88W
LOCATION: 8 mi S of Hayden, CO
OWNER'S REP.: Dennis Jones
ro•riate res•onse
1. Angle of slope: 3:1 upstream, 3:1 downstream Total = 6:1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
Yes
Yes
Yes
Yes
"Boils" beneath stream or ponded water: Yes
3. Cracks or scarps on crest: Yes
4. Cracks or scarps on slope: Yes
5. Sloughing or bulging on slope: Yes
Yes
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:
11. Increase Decrease in water level:
12. Cracks, bulging, or erosion on upstream face: Yes
13. Spillway erosion: Yes
14. *Clogging
Spillway channels: Yes
Diversion ditches: Yes
Yes
Yes
Yes
0
No
No
No
No
No
No
No
No
No
No
feet
feet
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
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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