HYDRO22967

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/26/2001
• Doc Name: 3rd Qtr 2001 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:Dennis Bugay DATE: 8/17/01
FACILITY COIdFIGURAT ION: Stockpond _ DATE LAST INSPECTION: 03/31/2001
SITE NAME: T-3 LOCATION: NE`/,[dE'/„ Sec 11, TSN, R87W
MINE NAME: Seneca II LOCATION: 7.1 mi SE of Hayden, CO
MINE I.D. NO.: C-80-005 OWNER'S REP.: Gregg Kitchen Gen. Mgr.
Circle or write in appropriate response
1. Angle of slope: 4:1 upstream, 4:1 downstream Total = 8:1 N/A
2. *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:
3. Cracks or scarps on crest:
a. Cracks or scarps on slope:
5. Sloughing or bulging on slope:
6. *Major erosion problems:
7. Surface movements in valley bottom or on hillside:
8. *Erosion of toe:
9. *Water impounded against downstream toe:
10. Existing embankment freeboard: Approximately
ll. Increase Decrease in water level: No change
12. Cracks, bulging, or erosion on upstream face:
13. Spillway erosion:
t4. *Clogging
Spillway channels:
Diversion ditches:
Yes N/A
Yes No

Yes No N/A

Yes ~ N/A
Yes No N/A

Yes No N/A
Yes No N/A
Yes N~ N/A

Yes Ito N/A
Yes o N/A
Yes No N/A
Yes No N/A
9.0 feet
feet

Yes No N/A
Yes N N/A
Yes ~ N/A
Yes No N/A
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.
No