2008-06-13_HYDROLOGY - C1981008

• Permit No: C1981008
• IBM Index Class Name: HYDROLOGY
• Doc Date: 6/13/2008
• Doc Name: 2nd Quarter 2008 Pond Inspections
• From: Western Fuels-Colorado
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Email Name: MLT
• Media Type: D
• Archive: No

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PERIODIC INSPECTION FORM
WATER, SEDIMENT, OR SLURRY IMPOUNDMENTS
Inspectors Name: At
Date: '7400 p
NPDES ID. No.:CO-0000213
Date Last Inspected: MILL. !
Facility Configuration: Total Incised Pond
Site Name: Impoundment #009 Location:47N16W SEC 36
Mine Name: New Horizon Mine Location:l mi.NW of Nucla. CO.
Mine ID No.: CDMG Permit1#0008-81
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Owners Rep.: R. L. Wade „ Mine Manager
CIRCLE OR WRITE IN APPROPRIATE RESPONSE

1. I
Foundation Preparation (removal of vegetation, stumps., topso
il) a
No
N/A
2. Lift thickness (inches)
3. Compaction according to approved plan No N/A
4. Burning (specify extend and location) Yes 1tNO1 N/A
5. Angle of slope: 3.1 upstream; 3:1 downstream ll!!
6. Seepage (specify location, color, and approx. volume)
a.). From underdrain pipes:, Yes N/A
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b.) At isolated
oints on
mb
k
t
l
p
e
an
men
s
opes: Yes N/A
c) At natural hillside: Yes o N/A
d) Over widespread areas
Yes N/A
e) From downsteam foundation area

f) "Boils" beneath stram or
d
d Yes o N/A
pon
e
water Yes N/A
7. Cracks or scarps on crest Yes N N/A
8. Cracks or scraps on slope Yes N/A

9. I
Sloughing or bulging on slope
. Yes o N/A
10. Major erosion problems Yes o N/A
11. Surface movements in valley bottom or on hillside Yes o N/A
12. Erosion of toe Yes N/A
13. Water impounded against toe Yes N N/A
14. Existing embankment freeboardi(feet)
I lo. Feet
15. Cracks, bulging, or erosion on upsteam face Yes N/A
16. Visible sumps or sinkholes in'slurry surface Yes N N/A
17. Clogging
a) Spillway channels and pipes Yes No N/A
b) Decant system Yes N/A
c) Diversion Ditches Yes o N/A
18. Cracking or crushing of pipes
I
a) Spillway pries
Yes
N
N/A
b) Decant system Yes N N/A
19. Trash racks clear and in place s No N/A
O EO/
FO o,,.1,V.wls N"
n'' ca ?' Ga?';o
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F:\Eng\DATA\WP\pond-banks\DAMFORM.wpdi
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