HYDRO20671

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 1/15/1994
• Doc Name: 3rd Qtr 1993 Inspections
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

' .
~~~ I~~I~~~~~ I
PERIODIC INSPECTION FORM
- -~=YATER, SEDIMENT, DR SLURRY IMPOUNDMENTS
Inspectors Name: ~p5.'S ~..~~_-
NPDES ID. No.: CO-0000213 001
Facility.Configuratign: Crass Valley Pond
Site Name: Impoundment ~ 001
-Mine Name: New Horizon Mine Western Fuels-Co
Mine ID No.:CMLRD Permit M0008-81 --
Owners Rep,: R. L:-Wade, Mine Manager
.- _.
Date: / ~J- `~~ '
Date Last Inspected: 57-~7,.~3
Location: 47N16W36BC
Location:2 mi: NW mf Nucla, Co.
CIRCLE OR NRITE IN APPROPRIATE RESPONSE
1. Foundation Preparation (removal of vegetation, stumps, topsoil) Ye No N/A
2. Lift thickness (inches): /2 iNc~~, Yee No N/A
3. Compaction according to approved plan: ~ No N/A
4. Burning (specify extent and location): Yes No, N/A
5. Angle of slope: 3:1 upstream, 3:1 downstream, Total = 6:1
6. Seepage (specify location, color, and approx. volume)
Frmm underdrain pipes: Yes No
At isolated points on embankment slopes: Yes ~ N%A
At natural hillside: Yes F~(~ N/A
Over widespread areas: Yes ~ N/A
From downstream foundation area: Yes m N/A
"Bails" beneath stream or ponded water: Yes o N/A
7~ Cracks mr scarps on crest: Yes o N/A
8. Cracks or scarps mn slope: Yes o N/A
9. Sloughing or bulging mn slope: Yes ~g N/A
10. +Major ermsign problems: Yes ~IP~ N/A
11. Surface movements in valley bottom or on hillside: Yes ~g N/A
12. +Erosion of toe: Yes A~ N/A
13. +Water impounded against tae: Yes ~ N/R
14. Existing embankment freeboard (feet): ` ~ Feet, of
15. increase qr decrease in water level (feet): Feeta,,,,.~;~,~,
16. Cracks, bulging, or erosion on upstream face: Yes m N/A
17. Visible sumps or sinkholes in slurry surface: Yes N/A
18. +Clpgging
Spillway channels and pipes: Yes ~o N/A
Decant system: Yes (N~ N/A
Diversion ditches: Yes N N/A
19. +Cracking or crushing of pipes
Spillway pipes: Yes ~ N/A
Decant system: Yes No N%A
2B. Trash racks clear and in place: Yes No N/A
+Majo r adverse changes to these items could cause inst nd should 6 e reported
tm th e Chief Engineer and Mine Manager for further ~~EeLST d verse conditi ons
noted in these items should normally be describe ~>~KpW}$~~6~ 'on, vol ume, etc.)
on pa ge two of this inspection form, p~;(„5 B;o ,, n