2008-10-24_HYDROLOGY - C1982057

• Permit No: C1982057
• IBM Index Class Name: HYDROLOGY
• Doc Date: 10/24/2008
• Doc Name: 3rd Quarter 2008 Stockpond Inspections
• From: Seneca Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Email Name: DTM
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: Roy Karo
FACILITY CONFIGURATION: Stockpond
SITE NAME: T-20
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
DATE : l / er
DATE LAS INSPECTION:
LOCATION: NWV4NEY4, Sec 15, T5N, R88W
LOCATION: 8 mi S of Hayden, CO
OWNER'S REP.: Gregg Kitchen Gen.Mgr.
Circle or write in appropriate response
1. Angle of slope: 3.9:1 upstream, 4.6:1 downstream
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:
4. 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:
11. Increase Decrease in water level:
12. Cracks, bulging, or erosion on upstream face:
13. Spillway erosion:
14. *Clogging
Spillway channels:
Diversion ditches:
Yes No N/A
Yes No N/A
Yes No N/A
Yes No N/A
Yes No N/A
Yes No N/A
Yes No N/A
Yes No N/A
Yes No N/A
Yes No N/A
Yes No N/A
Yes N/A
Yes
Yes
Yes
Yes
feet
f eet
N/A
o N/A
No N/A
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 space on the back of this sheet.
Comments :
/gL410ST LT??'
Fe:tl
Total = 8.5:1 N/A