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

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PERIODIC INSPECTION FORM
-'=MATER, SEDIMENT, DR 6LURRY IMPOUNDMENTS
Inspectors Name: ~oSS ~i:aOK~ -
NPDES ID. No.: CO-0000213 .001
-Facility.Configurations Cross Valley Pond
Site Name: Impoundment t 001
Mine Name: New Horizon Mine Western Fuels-Co
Mine ID No.:CMLRD Permit 80000-81 --
Owners Rep.: R. L:-Wade, Mine Manager
Date.Last Inspected: q-~7,~93
Location: 47NIbW36BC
Locatians2 :ei. NW of Nucla; Co.
CIRCLE OR WRITE IN APPROPRIATE RESPON6E
1. Foundation Prepa~atimn (removal of vegetations stumps, topsoil)
2. Lift thickness (inches): / 2 ~~uc~-~,
3'. Compaction according to apprmved plan:
4. Burning (specify extent and location):
5. Angle of slope: 3:1 upstream, 3:1 downstream,
b. Seepage (specify lmcation~ colors and approx. volume)
7~
8.
9.
10.
11.
12.
13.
14.
15.
Ib.
17.
18.
19.
from underdrain pipes:
At isolated points on embankment slopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
'Bails' beneath stream or ponded water:
Cracks ar scarps on crest:
Cracks or scarps on slope:
Sloughing or bulging on slope:
•Major erosion problems:
Surface movements in valley bottom ar on hillside:
tErosion of toe:
+Water impounded against toe:
Existing embankment freehoard (feet):
increase or decrease in water level (feet):
Cracks, hulging~ or erasion on upstream face:
Visible sumps or sinkholes in slurry surface:
sClogging
Spillway channels and pipes:
Decant system:
Diversion ditches:
Cracking or crushing of pipes
20. Trash
Spillway pi.pes:_
Decant system: _
racks clear and
n place:
Ye No N/A
Yes No N/A
Na N/A
Yes No , N/A
Total = b:l
Yes No
Yes A~ N%A
Yes LgFI~, N/A
Yes ~ N/A
Yes o N/A
Yes N N/A
Yes N N/A
Yes o N/A
Yes o N/R
Yes o N/A
Yes o N/A
Yes ~,y N/A
Yes ~a N/A
Yes ~y N/A
Yes ~ N/A
Yes ®o N/R
'" _ Feet?oJ
F e e t~~ ~,,,,
Yes o N/A
Yes N N/A
Yes ~% N/A
Yes No N/A
Yes No N/A
(Major adverse changes to these items could cause inst nd should be reported
to the Chief Engineer and Mine Manager for further e~Et(ST dverse conditions
noted in these items should normally be describe ~'C~W~c~,~~~ 'an, volumes etc.)
on page two mf this inspection form. 0";~5 ~';~ „~