HYDRO23762

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 7/21/1998
• 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
Stockpoads or Sumps
INSPECTOR'S NAME: Rny Karo
FACILITY CONFIGURATION: Stoc pond
SITE NAME: T-2
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
1
2
3
DATE: 12f~,~J97
DATE LAST INSPECTION: 09/25/97
LOCATION: NW'~SW3a Sec 22 TSN n88W
LOCATION: 8 mi S of Hayden CO
OWNER'S REP.: Rrad Hrown, cPn My~_
Angle of slope: 3.3:1 upstream, 2.3:1 downstream
*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 crest:
4. Cracks or scarps on slope:
5
fi
7
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: Annroximately
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 ~ N/A
Yes ~ N/A
Yee ~ NfA
Yes ® N/A
Yee ® NfA
Yes (]~ NfA
Yes ® NfA
Yes ® N/A
Yes ~ N/A
Yes ~ N/A
Yes ® N/A
Yea ~ N/A
6.9 feet
_ feet
Yee ~ N/A
Yes ~ N/A
Yee I~ N/A
Yes 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,
etc.) in the space on the back of this sheet.
Total = 5_.5_;1 N/A