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, SEDIMENT, DR SLURRY IMPOUNDMENTS
Inspectors Name: ~ui ~~csow
NPDES ID. No.: CO-0000213 001
Facility-Cmnfiguration: Crass Valley Pmnd
Site Name: Impoundment i 001
Mine Name: New Horizon Mine Western Fuels-Co
Mine ID No„ CMLRD Permit N0008-SI
Dwners Rep,: R, L. Wade, Mine Manager
Date: b-3o-9y
Date Last Inspected: 5-7-ey
Location: 47N16W36BC
Lacation:2_mi. NW of Nucla, Co.
CIRCLE OR WRITE IN APPROPRIATE RESPDNSE
1. Foundation Preparation (removal of vegetation, stumps, topsoil) es No N/A
2. Lift thickness (inches): i2 •-=~=s Yes No N/A
3. Compaction according to approved plan: es No N/A
4. Burning (specify extent and location): Yes ® N/A
5. Angle of slope: 3:1 upstream, 3:1 downstream, Total = 6:1
6. Seepage (specify location, color, and approx. volume)
From underdrain pipes: Yes No /A
At isolated points on embankment slopes: Yes J~o N
At natural hillside: Yes ~N~ N/A
Over widespread areas: Yes 2loi N/A
..From downstream foundation area: Yes Ao N/A
'Boils" beneath stream or ponded water: Yes (N o) N/A
7. Cracks or scarps on crest: Yes o N/A
8. Cracks or scarps an slope: Yes Noy N/A
9. Sloughing or bulging on slope: Yes o N/A
10. +Majar erosion problems: Yes o N1A
I1. Surface movements in valley bottom or on hillside: Yes Nod N/A
12. +Erasimn of tae: Yes G)a~ N/A
13. +Water impounded against toe: Yes lNo) N/A
14. Existing embankment freeboard (feet): /5 Feet
15. / increase or decrease in water level (feet): O Feet
Ib. _
Cracks, bulging, or erosion on upstream face: Yes N/A
17. Visible sumps or sinkholes in slurry surface: Yes o` N/A
18. +Clogging
Spillway channels and pipes: Yes o~ N/A
Decant system: Yes a NIA
Diversion ditches: Yes N/A
19. +Cracking or crushing of pipes
Spillway pipes: Yes No'; N/A
Decant system: Yes o, N/A
20. Trash racks clear and in place: Yes No N/A
+Major adverse changes to these items could taus bility and should 6e reported
to the Chi e4 Engineer and Mine Manager for f prR6i9 ion . Adverse conditions
noted in these items should normally be d ,~eldlS~'~x~ ,
~ location, volume, etc.)
on page two mf this inspection form. ~ry
' G~.,O