HYDRO28718

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 1/11/1999
• 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

PBRIODIC INSPBCTION FORN
Stockpoada or Sumps
INSPECTOR'S NAME: Rov Raro
FACILITY CONFIGURATION: stoc pond
SITE NAME: T-2d
MINE NAME: s neca 77-W
MINE I.D. NO.: C-B2-057
1
2
3
4
5
6
7
DATE: 12/16/98
DATE LAST INSPECTION: 09 ~,'~0 /98
LOCATION: sW1rNE_~ sec 9 TSN RBBW
LOCATION: B mi S of Hayden CO
OWNER'S REP.: Brad Brown, C-en Mqr
Angle of elope: 3.9:1 upstream, 4.6:1 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 crest:
Cracks or scarps 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: A~nroximately
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:
Yee ~ N/A
Yes ~ N/A
Yee ~ N/A
Ye9 No N/A
Yee ® N/A
Yee `COY N/A
Yes ~ N/A
Yes ® N/A
Yee ~ N/A
Yes ~ N/A
Yee No N/A
Yee ~ N/A
5"7 feet
feet
Yee ~o N/A
Yee ® N/A
Yes ~ N/A
Yee 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 = B.5:1 N/A
etc.) in the apace on the back of this sheet.