HYDRO20117

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 7/11/2005
• Doc Name: 2nd Quarter 2005 Inspection Report
• From: Seneca Coal Company
• To: DMG
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

PHRIODIC INSPECTION FORM
Water, Sediment, or Slurry Impoundments
INSPECTOR'S NAME: Dennis Jones
NPDES I.D. NO.: N/A
FACILITY CONFIGURATION: Incised Pond
SITE NAME: Truck Wash Settling Pond
MINE NAME: Seneca II Mine (Seneca Coal Co)
MINE I.D. NO.: CDMG Permit No. C-80-005
DATE : 6'~z-o S
DATE LAST INSPECTION: ~-~''~
LOCATION: NFT',f NE',(, Sec. 34, T6N, R87W
LOCATION: 7.1 mi. SE of Hayden, CO
OWNER'S REP.: Gregg Kitchen, Gen Mgr
Circle or write is appropriate response
1. Foundation preparation (removal of vegetation, stumps, topsoil:
2. Lift thickness:
Yes
N/A
inches
3. Compaction according to approved plan:
4. Burning (specify extent and location):
5. Angle of slope: upstream, downstream
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes:
At isolated points on embankment slopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
^BOils" beneath stream or ponded water:
7. Cracks or scarps on crest:
8. Cracks or scarps on slope:
9. Sloughing or bulging on slope:
10. *Major erosion problems:
11. Surface movements in valley bottom or on hillside:
12. *Erosion of toe:
13. *Water impounded against toe:
14. Existing embankment freeboard: (normal = 5. 0')
15. Increase Decrease in water level: Inu GI..~. 4a4 f]
T`
16. Cracks, bulging, or erosion on upstream face:
17. Visible sumps or sinkholes in slurry surface:
18. *Clogging
Spillway channels and pipes:
Decant system:
Diversion ditches:
19. *Cracking or crushing of pipes
Spillway pipes:
Decant system:
20. Trash racks clear and in place:
N/A
N/A
Total
N/A
N/A
N/A
N/A
N/A
Yes
N/A
N/A
N/A
Yes
N/A
N/A
N/A
~0_
N/A
N/A
= N/A
N/A
Q N/A
feet
feet
Yes No N/A
N/A
N/A
Yes No N/A
N/A
Yes No 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.