HYDRO26910

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 10/20/2006
• Doc Name: 3rd Quarter 2006 Stockpond Inspections
• From: Seneca Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: Roy Karo
FACILITY CONFIGURATION: Stockpond
SITE NAME: T-1
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
1
2
DATE:
DATE LAST INSPECTION: yf'1~ ~~'
LOCATION: SW',SE'~x, Sec 16, T5N, R68W
LOCATION: 8 mi S of Hayden, CO
OWNER'S REP.: Roy Karo
Circle or write in appropriate response
Angle of slope: 3:1 upstream, 3:1 downstream
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
At natural hillside:
3
4
5
6
7
8
9
10
11
12
13
14
Over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
Cracks or scarps on crest:
Cracks or scarps on slope:
Sloughing or bulging on slope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
*Erosion of toe:
*Water impounded against downstream toe:
Existing embankment freeboard:
Increase Decrease in water level:
Cracks, bulging, or erosion on upstream face:
Spillway erosion:
Yes 1 No
Yes I No
Yes I No
Yes I No
Yes I No
Yes I No
Yes I No
Yes No
Yes No
_ I
Yes Nd
*Clogging
Spillway channels:
Diversion ditches:
Yes (N~
Z feet
G feet
Yes ~No~
Yes //Nb~
l_-
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
N/A
N/A
Yes "Ql~ N/A
Yes ~o~ 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 = 6:1
Yes 1 No
Comments• C ~'~,/, /12
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