HYDRO30918

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 7/26/2004
• Doc Name: 2nd 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
3tockponda or Sumps
INSPECTOR'S NAME: Roy Karo
FACILITY CONFIGURATION: Stockpond
SITE NAME: T-3
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
DATE: ~//~/~~
DATE LAST INSPECTION:
LOCATION: NW.SE~., Sec 22, T5N, R88W
LOCATION: 8 mi S of Hayden, CO
OWNER'S REP.: Gregg Kitchen Gen.Mgr.
Circle or write in appropriate response
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Angle of slope: 4.3:1 upstream, 2.9:1 downstream
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
Yes I No
"Boils" beneath stream or ponded water: Yes No
Cracks or scarps on crest: Yes No
Cracks or scarps on slope: Yes No
Sloughing or bulging on slope: Yes No
*Maj or erosion problems: Yes No
Surface movements in valley bottom or on hillside: Yes No
*Erosion of toe: Yes No
*Water impounded against downstream toe: Yes N
Existing embankment freeboard: 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
11. Increase Decrease in water level: feet
12. Cracks, bulging, or erosion on upstream face: Yes No N/A
13. Spillway erosion: Yes No N/A
14. *Clogging
Spillway channels: Yes No N/A
D1verSlOn dltCheS: Yes No N/A
*Maj or 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 : C(~cA,~/ED .SO ~"~ ~`' --s~2'~ rv7`
Total = 7.2/:1
Yes /No
Yes INo
Yes No
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