HYDRO29260

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 7/30/2007
• Doc Name: 2nd Quarter 2007 Stockpond Inspections
• From: Seneca Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

Inspection Category
Comments (T-1
PERIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: Roy Karo
FACILITY CONFIGURATION: Stockpond
SITE NAME: T-2
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
1
2
0 r:l
DATE: L' /~/
DATE LAST-INSPECTION:
LOCATION: NW',SW'., Sec 22, T5N, R88W
LOCATION: 8 mi S of Hayden, CO
OWNER'S REP.: Greqq Kitchen Gen.Mgr.
Circle or write in appropriate response
Angle of slope: 3.3:1 upstream, 2.3:1 downstream
*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:
Yes INo
Yes No
Yes INo
3. Cracks or scarps on crest: Yes No
9. Cracks or scarps on slope: Yes No
5. Sloughing or bulging on slope: Yes No
6. *Major erosion problems: Yes N
7. Surface movements in valley bottom or on hillside: Yes N
8. *Erosion of toe: Yes N
9.
10
11
12
13
19
*water impounded against downstream toe:
Existing embankment freeboard:
Increase Decrease in water level:
Cracks, bulging, or erosion on upstream face:
Spillway erosion:
*Clogging
Spillway channels:
Diversion ditches:
feet
Yes N N/A
Yes ~ N N/A
,
Yes f~~O N/A
Yes :No 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.
Total = 5.6:1
_ Yes (p7/o
Yes INo
Yes
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
feet
Comments: ., SF J i*"~r ~~ ~~