2012-05-21_HYDROLOGY - C1982057 ‎(3)‎

• Permit No: C1982057
• IBM Index Class Name: HYDROLOGY
• Doc Date: 5/21/2012
• Doc Name: 1st Quarter 2012 Stockpond Inspection Report
• 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 -5
MINE NAME: Seneca II -W
MINE I.D. NO.: C -82 -057
PERIODIC INSPECTION FORM
Stockponds or Sumps
Circle or write in appropriate response
1. Angle of slope: upstream, downstream Total =
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes: Yes Noi\ N/A
At natural hillside: Yes No N/A
Over widespread areas: Yes No N/A
From downstream foundation area: Yes No N/A
"Boils" beneath stream or ponded water: Yes No N/A
3. Cracks or scarps on crest: Yes No N/A
4. Cracks or scarps on slope: Yes No N/A
5. Sloughing or bulging on slope:
G. *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:
13. Spillway erosion:
14. *Clogging
Spillway channels:
Diversion ditches:
DATE: ' II
DATE LAST INSPECTION: )c)-10
LOCATION: NE /, Sec 22, T5N, R88W
LOCATION: 8 mi S of Hayden, CO
OWNER'S REP.: Dennis Jones, Manager
Yes No N/A
Yes No N/A
Yes No N/A
Yes No N/A
Yes No N/A
feet/
feet
Yes 1 No ( N/A
Yes Noi N/A
Yes No, N/A
Yes Nsi 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.
Comments: