HYDRO27481

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 4/27/1999
• Doc Name: SENECA II MINE C-80-005 QUARTERLY STOCKPOND INSPECTIONS
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PBRIODIC INSPBCTION PORM
Stockpoadc or Bumps
INSPECTOR'S NAME: BCIy Raro
FACILITY CONFIGURATION: Stec fiend
SITE NAME: T-30
MINE NAME: ceneca 77
MINE I.D. NO.: c-80-005
DATE: 03/24/99
DATE LAST INSPECTION: 12/15/98
LOCATION: SWS~NW3~ Sec 1 TSN RB7W
LOCATION: 7.t mi cE of Hayden, CO
OWNER'S REP.: Brad Brown, Gen Mqr
1. Angle of elope: 4:1 upstream, a:1 downstream Total = 8e1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes: Yee ® N/A
At natural hillside: Yee N/A
Over widespread areas: Yee ~ N/A
From downstream foundation area: Yee ~ N/A
"Boils" beneath stream or ponded water: Yee o N/A
3. Cracks or scarps on treat: Yee o N/A
4. Cracks or scarps on elope: Yee ® N/A
5. Sloughing or bulging on elope: Yee ©o N/A
6. *Major erosion problems: Yee ® N/A
7. Surface movements in valley bottom or on hillside: Yee ~ N/A
8. *Erosion of toe: Yee i~ N/A
9. *Water impounded against downstream toe: Yee ~ N/A
10. Existing embankment freeboard: Annreximately ~ feet
11. Increase Decrease in water level: No change f
e
e
t
12. Cracks, bulging, or erosion on upstream face: Yee /
~^
~ N/A
13. Spillway erosion: Yes ~
o N/A
14. *Clogging
Spillway channels: Yee ~ N/A
Diversion ditches: Yee N 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 this sheet.