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 FORM
Stockponds or Sumps
INSPECTOR'S NAME: Michael Altavilla
FACILITY CONFIGURATION: Stocknnnd
SITE NAME: T-2
MINE NAME: S n a I7-W
MINE I.D. NO.: C-82-057
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6.
7.
DATE: 09/23/99
DATE LAST INSPECTION: 06/~~99
LOCATION: NWtICWlr c TSN RRRw
LOCATION: R mi S of Hayden CO
OWNER'S REP.: Rrad Rrown Gen Mq~_
Angle of elope: 3.3:1 upstream, 2.3:1 downstream
*Seepage (specify location, color, and appzoximate 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 elope:
Sloughing or bulging on elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
8. *Erosion of toe:
9. *Water impounded against downstream toe:
10. Existing embankment freeboard: Aonrox+matety,
11. Increase Decrease in water Level: No change
12. Cracks, bulging, or erosion on upstream face:
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Spillway erosion: _
*Clogging
Spillway channels:
Diversion ditches:
Yea No
Yea N~
Yee
Yes
Yea
Yes
Yes
Yee
Yes N®
Yes
Yea N®
Yes
6.9 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
Yes No N/A
Yee ~ N/A
Yee ]~ 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 = 5.6:1 N/A
etc.) in the space on the back of this sheet.