2014-04-02_HYDROLOGY - C1982057

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 4/2/2014
• Doc Name: 1st Quarter 2014 Stockpond Inspection Report
• From: Seneca Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: JHB
• Email Name: DIH
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: Katrvna Snowden DATE: 3 -24 -14
FACILITY CONFIGURATION: Stockpond DATE LAST INSPECTION: 12 -2 -13
SITE NAME: T -18 LOCATION: NWIXNEII,, Sec 15, TSN, R88W
MINE NAME: Seneca II -W LOCATION: 8 mi S of Hayden, CO
MINE I.D. NO.: C -82 -057 OWNER'S REP.: Dennis Jones, Manager
Circle or write in appropriate response
1.
Angle of slope: 3:1 upstream, 3:1 downstream
Total =
6:1
N/A
2.
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
Yes
No
N/A
At natural hillside:
Yes
No
N/A
Over widespread areas:
Yes
No
N/A
From downstream foundation area:
Yes
No
N/A
"Boils" beneath stream or ponded water:
Yes
No
N/A
3.
Cracks or scarps on crest:
Yes
No
N/A
4.
Cracks or scarps on slope:
Yes
No
N/A
5.
Sloughing or bulging on slope:
Yes
No
N/A
6.
*Major erosion problems:
Yes
No
N/A
7.
Surface movements in valley bottom or on hillside:
Yes
No
N/A
8.
*Erosion of toe:
Yes
No
N/A
9.
*Water impounded against downstream toe:
Yes
No
N/A
10.
Existing embankment freeboard:
3.5
feet
11.
X Increase Decrease in water level:
1.5
feet
12.
Cracks, bulging, or erosion on upstream face:
Yes
No
N/A
13.
Spillway erosion:
Yes
No
N/A
14.
*Clogging
Spillway channels:
Yes
No
N/A
Diversion ditches:
Yes
No
N/A
*Major adverse changes in
the Engineering Manager
conditions noted in these
etc.) in the space on the
Comments:
these items could cause instability and should be reported to
and Mine Superintendent for further evaluation. Adverse
items should normally be described (extent, location, volume,
back of this sheet.
Slight trickling flow observered