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, OR fiLURRY IMPOUNDMENTS
Inspectgrs Names ~~ L...cso-~
NPDES ID. No.: CO-0000213 004
Facility Configuration: Sidehill Pond
Site Name: Impoundment 4 004
Mine Name: New Horizon Mine Nestern Fuels-Co
Mine ID No.sCMLRD Permit !0008-81
Owners Rep.: R. L. Node. Mine Manager
Date: (a-30-`~'-/
Date Last Inspected: 5-9-9y
Location: 47NISW318C
Location:2 ~mi. NW of Nucla, Co.
CIRCLE OR NRITE IN APPROPRIATE RESPONSE
1.
2.
3.
4.
5.
b.
7.
S.
9.
10.
11.
!2.
13.
14.
15.
Ib.
17.
IB.
Foundation Preparation (removal of vegetation, stumps, topsoil) Ye No N/A
Lift thickness (inches): /2 ~.,~i,~s Yes No N/R
Camp action according to approved plan: © No N/A
Burning (specify extent and location): Yes ~ N/A
Angle of slope: 3:1 upstream, 3:1 downstream, Tgtal = _6:1
Seepage (specify location, color, and approx. volume)
From underdrain pipes:
At isolated points on embankment slopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
°Boils" beneath stream or ponded water:
Cracks or scarps on crest:
Cracks or scarps on slope:
Sloughing or bulging on slope:
(Major erosion problems:
Surface movements in valley bottom or on hillside:
+Erosion of toe:
+sWater impounded against toe:
Existing embankment freeboard (feet):
increase or decrease in water level (feet): _
Cracks, bulging, or erosion on upstream face:
Visible sumps qr sinkholes in slurry surface:
(Clogging
Yes No
Yes ~n N/A
Yes ~ N/A
Yes ® N/A
Yes !~ N/A
Yes ~p~ N1A
Yes No N/A
Yes ~q~ N/A
Yes CLo~ N/A
Yes ~Na; N/A
Yes CNo: N/A
Yes lNq? N/A
Yes to N/A
/ /•~ Feet
- O Feet
Yes o? N/A
Yes o' N/A
Spillway channels and pipes: Yes N/A
Decant system: Yes U N/A
Diversion ditches: Yes No ~%
19. +Cracking or crushing of pipes
Spillway pipes: Yes Cyo~ N/A
Decant systems Yes ~N_o,~ N/A
28. Trash racks clear and in place: ~J No N/A
+Major adverse changes to these items could cause
to the Chief Engineer and Mine Manager for fur
noted in these items should normally be des QST.
on page two of this inspection form. ~,lv
lity and should be reported
on. Adverse conditions
location, volume, etc.)