HYDRO26807

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 7/21/1998
• Doc Name: 2nd Qtr 1998 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORK
Stockponde or Sumps
INSPECTOR'S NAME: Boy Karo DATE: 05/12/98
FACILITY CONFIGURATION: Stnc pond DATE LAST INSPECTION: 0,313/98
SITE NAME: T-4 LOCATION: SW3+NF:'q c~tt~T~N R87W
MINE NAME: R nets 7r LOCATION: 7.1 mi SR of Hayden Co
MINE I.D. NO.: c-80-005 OWNER'S REP.: Brad 8rnwn, Gen Mar
1. Angle of elope: 3:t upstream, 2.5:1 downstream Total = 5.5:1 N/A
2.
3
4
5
6
7
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
Cracks or scarps on treat:
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: Approx-matety
11. Increase Decrease in water level: No chance
12. Cracks, bulging, or erosion on upstream face:
13
14
Spillway erosion:
*Clogging
Spillway channels:
Diversion ditches:
Yee ~ N/A
Yee No N/A
Yes ~ N/A
Yee No N/A
Yee ©o N/A
Yee ©o N/A
Yee ©o N/A
Yes ®o N/A
Yes ©o N/A
Yee ~ N/A
Yes No N/A
Yee ~ N/A
_b- feet
feet
Yee ~ N/A
Yes ® N/A
Yea ~ N/A
Yee 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 apace on the back of this sheet.