2008-03-17_HYDROLOGY - C1981008

• Permit No: C1981008
• IBM Index Class Name: HYDROLOGY
• Doc Date: 3/17/2008
• Doc Name: 1st Quarter 2008 Pond Inspections
• From: Western Fuels-Colorado
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Email Name: SB1
• Media Type: D
• Archive: No

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PERIODIC INSPECTION FORM
WATER, SEDIMENT, OR SLURRY IMPOUNDMENTS
Inspectors Tfame : Igo ~ G~.bks,~ Date : ~ 3 I~ a r~
NPDES ID. No.:CO-0000213 Date Last Inspected: ~'~p~/O-j
Facility Cor.~figuration:Incised Pond
Site Name: Impoundment #012 Location:47N16W Sec 36
Mine Name: IVew Horizon Mine Location: 2.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) ® No N/A
Mine ID No.: CDMG Permit #0008-81
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Lift thickness (inches)
Compaction according to approved plan
Burning (specify extend and location)
Angle of slope: 3:1 upstream, 3:1 downstream
Seepage (specify location, color, and approx. volume)
a.) From underdrain pipes:
b.) At isolated points on embankment slopes:
c) At natural hillside:
d) Over widespread areas
e) From downsteam foundation area
f) "Boils" beneath stram or ponded water
Cracks or scarps on crest
Cracks or scraps on slope
Sloughing ~~r bulging on slope
Major erosion problems
Surface movements in valley bottom or on hillside
Erosion of toe
Water impounded against toe
Existing embankment freeboard (feet)
Cracks, bulging, or erosion on upsteam face
Visible sumps or sinkholes in slurry surface
Clogging
a) Spillway channels and pipes
b) Decant system
c) Diversion Ditches
Cracking o:r crushing of pipes
a) Spillway pipes
b) Decant system
Trash racks clear and in place
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