HYDRO22851

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 10/15/1997
• Doc Name: SENECA II-W MINE C-82-057 QUARTERLY STOCKPOND INSPECTIONS
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: Aoy Raro
FACILITY CONFIGURATION: Stocknond
SITE NAME: T-3
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
DATE: 09/25/97
DATE LAST INSPECTION: ~lb_/23~97
LOCATION: NWi,SRSf S c TSN RRBW
LOCATION: R mi S of Hayden CO
OWNER'S REP.: Rr ad Brown CPn Mg~_
1. Angle of elope: 4.3:1 upstream, downatream
2
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes:
At natural hillside:
over widespread areas:
From downatream foundation area:
"Boils" beneath stream or ponded water:
3. Cracks or scarps on crest:
4. Cracks or scarps on elope:
5
6.
7
Sloughing or bulging on slope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
B. *Erosion of toe:
9. *Water impounded against downstream toe:
10. Existing embankment freeboard: Anoroximately
11. ~_ Increase Decrease in water level:
12. Cracks, bulging, or erosion on upstream face:
13. Spillway erosion:
14. *Clogging
Spillway channels:
Diversion ditches:
Yes o N/A
Yee No N/A
Yes o NfA
Yes o N/A
Yes N/A
Yes aaa~~~'''~~~ N/A
Yea ~
o N/A
Yes ~~~ff N/A
Yee ~
o NjA
Yes ~ N/A
Yee ®° N/A
Yee ~ N/A
3.7 feet
3.0 feet
Yee ® N/A
Yes ~ N/A
Yee /Nq[ N/A
Yes l/~(~o/ 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,
Total = 2,2:1 N/A
etc.) in the apace on the back of this sheet.