HYDRO29744

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 12/6/1999
• Doc Name: SENECA II-W MINE C-82-057 QTRLY STOCKPOND INSPECTIONS
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION PORM
Stockponds or Sumps
INSPECTOR'S NAME: Michael Altavi7la
FACILITY CONFIGURATION: Stoc Hood
SITE NAME: T-24
MINE NAME: Seneca ii-W
MINE I.D. NO.: C-82-057
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DATE: n9/~3./99
DATE LAST INSPECTION: 06/29/99
LOCATION: _SW'~'~. 9~an 9 TSN R88W
LOCATION: _8 mi a of Hayden (`o
OWNER'S REP.: brad Brown. ran Mgr
Angle of elope: 3.9:1 upstream, a. 6:1 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 scarps on treat:
Cracks or scarps on elope:
Sloughing or bulging on elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
B. *Eroeion of toe:
9. *Water impounded against downstream toe:
10. Existing embankment freeboard: Annroximately
11. Increase Decrease in water level: No change
12. Cracks, bulging, or erosion on upstream face:
13. Spillway erosion: _
14. *Clogging
Spillway channels:
Diversion ditches:
Yes
Yes
Yea ~1~0
Yes
Yes N~
Yes
Yes
Yee
Yee
Yes
Yes
Yes
6.2 feet
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
_ feet
Yee "l'1 N/A
Yee ® N/A
Yes N/A
~
Yes 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 = 8.5:1 N/A
etc.) in the apace on the back of this sheet.