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: Katryna Snowden
FACILITY CONFIGURATION: Stockpond
SITE NAME: T -24
MINE NAME: Seneca II -W
MINE I.D. NO.: C -82 -057
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it
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DATE : 3 -24 -14
DATE LAST INSPECTION: 12 -2 -13
LOCATION: SWY4NE� /, Sec 9, T5N, R88W
LOCATION: 8 mi S of Hayden, CO
OWNER'S REP.: Dennis Jones, Manager
Circle or write in appropriate response
Angle of slope: 3.9:1 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
*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
Diversion
4.6:1 downstream Total = 8.5:1 N/A
and approximate volume)
slopes: Yes No N/A
water:
or on hillside:
toe:
channels:
ditches:
*Major adverse changes in
the Engineering Manager
conditions noted in these
etc.) in the space on the
Comments:
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
No
N/A
Yes
No
N/A
Yes
No
N/A
3
feet
0.5
feet
Yes
No
N/A
Yes
No
N/A
Yes
No
N/A
Yes
No
N/A
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.