HYDRO22603

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 7/14/1994
• Doc Name: 2ND QUARTER 1994 Inspections
• From: NEW HORIZON MINE
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
WATER, 6EDIMENT, OR SLURRY IMPOUNDMENT6
Inspectors Name: dt~ L~~~"
NPDE5 ID. No.: CO-0000213 082
Facility Cmnfiguration: 5ideht 1 Pond
Site Name: Impoundment # 002
Mine Names New Horizon Mine Western Fuels-Co
Mine ID No.:CMLRD Permit #8008-81
Owners Rep.: R. L. Wade, Mine Manaoer
Date: 6-30-`-`/
Date Last Inspected: 5-9-gy
Location: 47NI5W31CB
Location:2 mi. NW of Nucla, Co.
CIRCLE OR WRITE IN APPROPRIATE RESPONSE

1. Foundation Preparation (removal of vegetation, stumps, topsail) es No N/A
2. Lift thickness (inches): :2 .~~G ~ Yes No N/A
3. Compaction according to approved plan: es No N/A
4. Burning (specify extent and location): Yes ®o N/A
5. Rngle of slope: 3:1 upstream, 3:1 downstream, Total = 6:1
6. Seepage (specify location, color, and approx. volume)
/A
7.
5.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
From underdrain pipes:
Rt isolated points on embankment slopes:
At natural hillside:
Over widespread areas:
"From downstream foundation area:
"Boils' beneath stream or ponded water:
Cracks or scarps on crest:
Cracks or scarps on slope:
Sloughing or bulging on slope:
}Major erosion prohlems:
Surface movements in valley bottom or on hillside:
}Erosion of toe:
+Water impounded against toe:
Existing embankment freeboard (feet):
increase or decrease in water
Cracks, bulging, or erosion on upstream face:_
Visible sumps or sinkholes in slurry surf ac e:_
*Clogging
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
9
level (feet): _p-
Yes
Yes
N/R
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Feet
Feet
N/A
N/A
Spillway channels and pipes: Yes ~ N/A
Decant system: Yes ® N/A
Diversimn ditches: Yes to N/A
19. •Cracking or crushing of pipes
Spillway pipes: Yes ~ID~ N/A
Decant system: Yes ~ N/A
20. Trash racks clear and in place: 'Yes No N/R
}Major adverse changes to these items could cause instability and should be reported
to the Chief Engineer and Mine Manager for further evaluatimn. Adverse conditions
noted in these items should normally 6e described ocation, volume, etc.)
on page two of this inspection form. ~p REG/Sl
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