HYDRO28130

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 12/6/1999
• Doc Name: 3rd Qtr 1999 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockpoads or Sumps
INSPECTOR'S NAME: Michael Altavi lla
FACILITY CONFIGURATION: Stoc pond
SITE NAME: T-R
MINE NAME: ~ n. a Tt
MINE I.D. NO.: c-80-OO5
1
2
3
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5
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7
DATE: 09/77 ~9
DATE LAST INSPECTION: 06/29/99
LOCATION: NFkcWi~ ~ TSN. R87W
LOCATION: 7.1 mi SE of Hayden; CO
OWNER'S REP.: Hrad Brown Gen Mqr
Angle of slope: 3:1 upstream, 3.5:7 downstream
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
At natural hillside:
Over wideepread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
Cracks or scarps on crest:
Cracks or scarps on elope:
Sloughing or bulging on elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
8. *Eroeion of toe:
9. *Water impounded against downstream toe:
10. Existing embankment freeboard: Approximately
11. Increase Decrease in water level: No change
12. cracks, bulging, or erosion on upstream face:
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14
Spillway erosion: _
*Clogging
Spillway channels:
Diversion ditches:
Total = 6.5:1 N/A
Yes ~ N/A
Yes N~ N/A
Yes ® N/A
Yea a N/A
Yee ~ N/A
Yee ©o N/A
Yee ® N/A
Yee ~ N/A
Yes ~ N/A
Yee ~ N/A
Yes ~ N/A
Yes ® N/A
-Z feet
feet
Yee `~V N/A
Yes ~ N/A
Yes ~ N/A
Yee N 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 nozmally be described (extent, location, volume,
etc.) in the space on the back of this sheet.