HYDRO24416

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 1/14/1999
• Doc Name: 4th Qtr 1998 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPBCTION PORN
Stoekponds or Sumps
INSPECTOR'S NAME: Rey Karo
FACILITY CONFIGURATION: Stoc pond
SITE NAME: T-B
MINE NAME: Seneca II
MINE I.D. NO.: c-BO-DDs
1
2.
3
4
5
6
7
DATE: 12/15/98
DATE LAST INSPECTION: 09/28/98
LOCATION: N83r_cwi~ c i7 TSN 887w
LOCATION: 7.1 mi eE of Hayden CO
OWNER'S REP.: Brad Brawn Gen Mgr
Angle of elope: 3:1 upstream, 3.5:1 downstream
*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 ecarpe on treat:
Cracks or ecarpe 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: Annroximatel
11. Increase ~_ Decrease in water level:
12. Cracks, bulging, or erosion on upstream Eace:
13. Spillway erosion: _
14. *Clogging
Spillway channels:
Diversion ditches:
Yee N~ N/A
Yee ~ N/A
Yea ® N/A
Yes ® N/A
Yee ©o N/A
Yes ~ N/A
Yes ~ N/A
Yee ~ N/A
Yes ~ N/A
Yee ~ N/A
Yee ~ N/A
Yee ~ N/A
-9- feet
~ feet
Yea N/A
Yee ~
N N/A
Yes ~ 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,
Total = 6.5.1 N/A
etc.) in the apace on the back of this sheet.