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
WATERS 6EDIMENTs OR 6LURRY IMPOUNDMENTS
Inspectors Name: r/e~r- C...r-sow'
NPDES ID. No.s CD-0000213 003
Facility Cmnfigurations Sidehill Pmnd
Site Name: Impoundment 9 003
Mine Name: New Horizon Mine Western Fuels-Co
Mine ID No.:CMLRD Permit 90008-81
Owners Reps R, L. Wade, Mine Manager
Dates 6-30-~-y
Date Last inspected: 5-9-9~/
Locations 47NlSW31CB
Lmcatians2 ioi. NW of Nucla, Co.
CIRCLE OR NRITE IN APPROPRIATE RE6PON6E
1. Foundation Preparation (removal of vegetation, stumps, topsoil) ® No N/A
2. Lift thickness finches): Yes No /A
3. Compaction according to approved plan: ® No N/A
4. Burning (specify extent and location): Yes ®o N/A
5. Angle of slope: 3:1 upstream, 3:1 downstream, Tota l = 6:1
6. Seepage (specify locations color, and approx. volume)
From underdrain pipes Yes No N/A
At isolated points on embankment slopes: Yes o~ N/A
At natural hillside: Yes ~ N/A
Over widespread area s Yes ~p N/A
From dawn stream foundation area: Yes Q[d' N/A
"Boils" beneath stream or ponded water: Yes CFo N/A
7. Cracks or scarps on crest: Yes o N/A
8. Cracks or scarps on slope: Yes sib N/A
9. Sloughing or bulging on slope: Yes o N/A
!0. +Major erasion problems: Yes c o) N/A
I1. 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 Nm N/A
14. Existing embankment freeboard (feet): 2 Feet
I5. increase or decrease in water level (feet): - 0 ~ Feet
16. Cracks, bulgings or erosion on upstre _
am face: Yes N/A
17. Visihle sumps or sinkholes in slurry surface: Yes N/A
10. +Clmgging
Spillway channels and pipers Yes No N/
Decant systems Yes No
Diversion ditches: Yes ®o N/A
19. +Cracking or crushing of pipes
Spillway pipes: Yes No N/
Decant system:' Yes No N/
20, Trash racks clear and in place: Yes No N/
+Majmr adverse changes to these items could cause instability and should be reported
to the Chief Engineer and Mine Manager for further ev Adverse conditions
noted in these items should normally be describe ~*8@~~/Si tion, volume, etc.)
mn page two of this inspection farm. pQ;.~,E~1'11SC;F9
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