2010-04-26_HYDROLOGY - C1982057 ‎(2)‎

• Permit No: C1982057
• IBM Index Class Name: HYDROLOGY
• Doc Date: 4/26/2010
• Doc Name: 1st Quarter 2010 Stockpond Inspections
• From: Seneca Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Email Name: DTM
• Email Name: SB1
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: Dennis Jones
FACILITY CONFIGURATION
SITE NAME: T-3
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
DATE: 3-1 0
DATE LAST INSPECTION: to 13' a q
LOCATION: NWVSE'14, Sec 22, TSN, R88W
LOCATION: _ 8 mi S of Hayden, CO
OWNER'S REP.: Dennis Jones, Manager
Circle or write in appropriate respo:zse
1
2
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
2.9:1 downstream
and approximate volume)
slopes: _
No
No
No
No
No
No
No
No
No
No
No
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
feet
No N/A
No N/A
I No N/A
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.
Comments:
?kdt
Angle of slope: 4.3:1 upstream,
*Seepage (specify location, color,
At isolated points on embankment
At natural hillside:
Over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded
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
Existing embankment freeboard:
Increase Decrease in water level:
Cracks, bulging, or erosion on upstream face:
Spillway erosion:
*Clogging
Spillway channels:
Diversion ditches:
Stockpond
water:
toe:
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
4?_
Yes
Yes
Yes
Yes
Total = 7.2:1 N/A