HYDRO28422

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 1/30/1998
• Doc Name: 4th Qtr 1997 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: Roy Karo DATE: 12~22~97
FACILITY CONFIGURATION: Stocknond DATE LAST INSPECTION: 09~24~97
SITE NAME: m-15 LOCATION: SF.'~rNW~ Sec 12 TSN R87W
MINE NAME: Seneca II LOCATION: 7.t m+ .cF of Hayes, co
MINE I.D. NO.: C-80-ODS OWNER'S REP.: Brad Brown. Gen Mar
i
1. Angle of elope: ~:~ upstream, 3:1 downstream Total = 6:1
2
3
4
5
6
7
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
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 slope:
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:
13
14
Spillway erosion:
*Clogging
Spillway channels:
Diversion ditches:
Yes
Yee ~Io
Yee o
Yea N
Yea
Yes
Yes
Yes
Yes
Yee
Yee
Yea ~ N~
~_ feet
feet
Yea
Yee
Yes
Yee o
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
N~A
N~A
N~A
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 thin sheet.