2010-01-11_HYDROLOGY - C1980005 ‎(2)‎

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 1/11/2010
• Doc Name: 2009 Annual Pond Certifications
• From: Seneca Coal Company
• To: DRMS
• Permit Index Doc Type: Prof Pond Certifications
• Email Name: DTM
• Media Type: D
• Archive: No

`i
DATE:
DATE LAST INSPECTION:
LOCATION: NEy4SW'/,, Sec 12, TSN, R87W
LOCATION: 7.1 mi SE of Hayden, CO
OWNER'S REP.: Roy Karo Gen. Mgr.
Circle or write in appropriate response
PERIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: Dennis Jones
FACILITY CONFIGURATION:
SITE NAME: T-8
MINE NAME: Seneca II
Stockpond
MINE I.D. NO.: C-80-005
1. Angle of slope: 3:1 upstream, 3.5:1 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 N N/A
Yes N N/A
Yes No N/A
Yes N/A
feet
feet
Yes DN N/A
Yes N/A
Yes N/A
Yes 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: X l tV-, Lk h C t2?-? .
P
LJ C.>
Total = 6.5:1 N/A