HYDRO20298

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 6/18/1999
• Doc Name: 2ND QUARTER 1999 INPECTIONS
• From: NEW HORIZON MINE
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM RECEIVED
WATER, SEDIMENT, OR SLURRY IMPOUNDMENTS dUN 181999
Inspectors Name: ems y~~
NPDES ID. No.:CO-0000213 002
pivision of Minerals 8 Geobgy
Date: ~,_l~- c~i~
Date Last Inspected: 3-fig _clq
Facility Configuration:Side Hill Pond
Site Name: Impoundment #002 Location:97N15W31CB
Mine Name: New Horizon Mine Location:2 mi.NW of Nucla. CO.
Mine ID No.: CMLRD Permit #0006-81
Owners Rep.: R. I,. Wade. Mine Manager
CIEZCLE OR WRITE IN APPROPRIATE RESPONSE
1. Fountlation Preparation (removal of vegetation, stumps., Lopsoi l) ~ No N/A
2.
3.
4.
~.
6.
7,
B.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18
19
Lift thickness (inches)
Compaction according to approved plan Q No
Burning (specify extend and location)- Yes
Angle of slope: .3:1 upstream, 3:1 downstream
Seepage (specify location, color, and approx. volume)
a.) From underdrain pipes: Yes
b.) At isolated points on embankment slopes: Yes
c) At natural hillsitle: Yes
d) Over widespread areas Yes
e) From dounsteam foundation area- Yes
f) "Boils" beneath stram or ponded watez Yes ®o
Cracks or scarps on crest Yes
Cracks or scraps on slope Yes
Sloughing or bulging on slope Yes ,~o
Major erosion problems Yes
Surface movements in valley bottom or on hillside Yes
Erosion of toe- Yes
water impounded against toe Yes ` J~o
Existing embankment freeboard (feet) f
~L
Cracks, bulging, or erosion on upsfeam face Yes
Visible sumps or sinkholes in slurry surface Yes N
Clogging
aI Spillway channels and pipes Yes
b) Decant System Yes
c) Diversion Ditches Yes
Cracking or crushing of pipes
a) Spillway pipes Yes
b) Decant system Yes
Trash racks clear and in io
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
N/A
Pon ( `5 ~c~.
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