HYDRO27086

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 5/13/1994
• Doc Name: 1st Quarter 1994 Sediment Pond Inspection Report
• From: Western Fuels-Colorado, LLC
• To: DMG
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

" ..
_.;~
PERIODIC INSPECTION FORM.
-~"HATER, SEDIMENT, OR~SLURRY IMPOUNDMENTS "':
Inspectors Name: ~oSS ~ub~.-
--NPDES ID.-No.: CO-0000213 .001 -
-Facility. Configurations Gross Valley Pond
Site Name: Impoundments 001- --
Mine Name: New--Horizon Mine- Western~Fuels-Co
Mine ID-No.:CMLRD Permit M0000-HY "-
Owners Rep.: R. L:-41ade: Mine Manager
Date: / "3-' ~9 _ ....:.
Date Last Inspected: 9-~7-~93
Location: 47N16W36HC
Location:2 mi:" NW of Nucla, Co.
CIRCLE OR WRITE IN APPROPRIATE RESPONSE
1. Foundation Preparation (removal of Vegetation, stumps, topsoil)
2. Lift thickness }inches): /'2 i~uc~-z<,
3. Compaction according to approved plan:
4. Burning (specify extent and locatimn):
5. Angle of slope: 3:1 upstream, 3:1 downstream,
b. Seepage (specify location, color, and approx. volume)
r~
7~
H.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
Frmm underdrain pipes:
At isolated points on emhankment slopes:
At natural hill-side:
Over widespread areas:
From downstream foundation area:
'Bails' beneath stream or pmnded water:
Cracks or scarps on crest:
Cracks ar scarps on slope:
Sloughing or bulging on slope:
(Major erosion prahlems;
Surface movements in valley bottom mr mn hillside:`
}Erasion of toe:
*Water impounded against toe:
Existing emhankment freeboard (feet):
increase or decrease in-water level
Cracks, bulging, or erosion on upstream face:
Visible 511mp5 mr sinkholes in slurry surface:
Clogging
Ye No N/A
Yes No N/A
No N/A
Yes No , N/A
7ota1 = 6:1
Yes No
Ves ~y~ N%A
Yes ~Ny~ N/R
Yes ~ N/A
Yes o N/A
Yes o N/A
Yes o N/A
Yes o N/A

Yes ~ N/A
Yes o N/A
Yes N/'A
Yes ~ N/A
Yes ~ N/A
~ Feet.?oJ
F e e t~,y~~,
Yes o N/A
Yes N N/R
Spillway channels and pipes: Yes o N/A
Decant system: Yes N N/A
Diversion ditches: Yes N N/A
19. +Cracking mr crushing of pipes
Spillway pipes: Yes ~ N/A
Decant system: Yes No N/A
20. crash racks clear and in place: Yes No N/A
#Major adverse. changes to these items could cause lost nd should he reported
to the Chief Engineer and Mine Manager for further ~~~T dverse conditions
noted in these 'items should normally be describe ~~~W~ ~,'q~ 'on, volume, etc.1
on page two of this inspection farm, p: y5 B,~;o ~~
(feet):-