HYDRO30316

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 1/20/1995
• Doc Name: 4TH QUARTER 1994 Inspections
• From: NEW HORIZON MINE
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
NATER~ SEDIMENTS OR SLURRY IMPOUNDMENTS
Inspectors Name: ~~ ~'J
NPDES ID. No.: CO-0000213 004
Facility Configuration: Sidehill Pond
Site Name: Impoundment 0 BB4
Mine Name: New Norizon Mine Nestern Fuels-Co
Mine ID No.:CMLRO Pereit #0008-81
Owners Rep.: R. L. Node, Mine Manager
Date: 1-x'1-95
Date Last Inspected: q'1'Z-9'-1
Lmcatian: 47N15N33SC
Locatian:2 mi. NW of Nucla, Co.
CIRCLE OR NRITE IN APPROPRIATE RESPONSE
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2.
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17.
10.
Foundation Preparation (removal of vegetation, stumps, topsail) es No N/A
Lift thickness (inches): lj- Yes No N/A
Cmmpaction according to approved plan: © No N/A
Burning (specify extent and location): Yes ~o N/A
Angle mf slope: 3:1 upstream, 3:1 downstream, Total 6:1
Seepage (specify location, color, and approx. volume)
From underdrain pipes:
At isolated points on embankment slopes:
Rt natural hillside:
Over widespread areas:
From downstream foundation area:
'Bails' heneath stream or ponded water:
Cracks or scarps on crest:
Cracks or scarps an slope:
Sloughing or bulging an slope:
+Major erosion problems:
Surface movements in valley bottom ar on hillside:
+Erosion of toe:
+Nater impounded against toe:
Existing embankment freeboard (feet!:
increase or decrease in water level (feet): _
Cracks, bulging, or erosion an upstream face:
Visible sumps or sinkholes in slurry surface:
+Clogging
Yes No N/A
Yes N/A
Yes N/A
Yes o N/A
Yes N/A
Yes o N/A
Yes a N/A
Yes o N/A
Yes o N/A
Yes a N/A
Yes o N/A
Yes o N/A
Yes No N/A
11.5 Feet
- o - Feet
Yes N/A
Yes No N/A
Spillway channels and pipes: Yes ~a N/A
Decant system: Yes ~p N/A
Diversion ditchesi Yes No /A
19. +Cracking ar crushing of pipes
Spillway pipes: Yes ~ N/A
Decant system: Yes N/A
20. Trash racks clear and in places Yes No N/A
+Major adverse changes to these items could cause instability and should be reported
to the Chief Engineer and Mine Manager for further eva dverse conditions
noted in these items should normally 6e descrihed ~..~tT. on, volume, etc.)
on a e two of this ins action fora. P ''EWlS G"•'9
~f~'S :IJ IS 1~~Y U~~~~ ~-~,-~s