2012-02-21_HYDROLOGY - C1981008

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 2/21/2012
• Doc Name: 1st Quarter 2012 Sediment Pond Inspection Report
• From: Western Fuels Colorado
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: MLT
• Media Type: D
• Archive: No

WATER, SEDIMENT, OR SLURRY IMPOUNDMENTS
Inspectors Name: gkos
NPDES ID. No.:CO- 0000213
PERIODIC INSPECTION FORM
Facility Configuration: Parcel Incised Pond
Site
Mine
Mine
Name: Impoundment #011
Name: New Horizon Mine
ID No.: CDMG Permit #0008 -81
b.)
c)
d)
At isolated points on embankment slopes:
At natural hillside:
Over widespread areas
e) From downsteam foundation area
f) "Boils" beneath stream or ponded water
Cracks or scarps on crest
Cracks or scraps on slope
7.
8.
9. Sloughing or bulging on slope
10. Major erosion problems
11. Surface movements in valley bottom or on hillside
12. Erosion of toe
13. Water impounded against toe
14. Existing embankment freeboard (feet) 5` /g j7 4 .
15.
16.
Cracks, bulging, or erosion on upsteam face
Visible sumps or sinkholes in slurry surface
17 Clogging
a) Spillway channels and pipes
b) Decant system
c) Diversion Ditches
19. Trash racks clear and in place
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an
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F: \Erg \DATA \W \ ond- banks \DAMFORM.wpd
/mo r L �r f'""". 5 " -
Date : /4- ,4"; zo /z,
Date Last Inspected: 1 ,S(ad/
18. Cracking or crushing of pipes
a) Spillway pipes
b) Decant system
Location:46N16W SEC 1
Location:1 mi.NW of Nucla, CO.
Owners Rep.: R. L. Wade, Mine Manager
CIRCLE OR WRITE IN APPROPRIATE RESPONSE
1. Foundation Preparation (removal of vegetation, stumps., topsoil)
2. Lift thickness (inches)
3. Compaction according to approved plan
4. Burning (specify extend and location) Yes
5. Angle of slope: 3:1 upstream, 3:1 downstream
6. Seepage (specify location, color, and approx. volume)
a ) From underdrain pipes:
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes cED
Yes caD
Yes
Yes
Yes
Yes
Yes �c
Ye
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
N/A
Feet
N/A
N/A
N/A
N/A
N/A
N/A
N/A
No N/A