HYDRO28559

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 12/21/1998
• Doc Name: 4TH QUARTER 1998 INPECTIONS
• From: NEW HORIZON MINE
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC
FORM
WATER, SIDINlENT, OR SLURRY II~UUI~R9TS
Inspectors Name: ~~,,~,,tia Date: ~Z_\4.~
NPDES ID. No.:CO-0000213 004 Date Last Inspected: ~_~p_qg
Facility Configuration:Side Hill Pond
Site Name: Im~loundment #004 Location:47N16W36CB
Mine Name: New Horizon Mine Location:2 mi.NW of Nucla CO.
Mine ID No.:
Owne rs Rep.: R. L. Wade Mine Manager
CIRCLE OR WRITE IN APPROPRIATE RESPONSE
1. Foundation Preparation (removal of vegetation, sturtq~s., topsoil) ® No N/A
2. Lift thickness (inches)
3. Cortq~action according to approved plan ~ No N/A
4 Burnzng (specify extend and locatzon) Yes ~ N/A
.,. Angle o: slope: 3~1 upstream, 3'1 donstream
6. Seepage (specify location, color, and approx. volume)
a.) From underdrain pipes: Yes ~ N/A
b.) At isolated points on embarilcment slopes: Yes ® N/A
c) At natural hillside: Yes ® N/A
d) Over widespread areas ~ Yes ~ N/A
e) From downstream foundation area Yes ® N/A
f) "Boils" beneath scream or ponded water Yes ® N/A
7. Cracks or scarps on crest Yes ® N/A
8. Cracks or scraps on slope Yes ® N/A
9. Sloughing or bulging on slope Yes ~ N/A
L0. Major ex osion problems Yes ® N/A
11. Surface movements in valley bottom or on hillside Yes ® N/A
12. Erosion of tce Yes ® N/A
13. Water irt~ounded against tee Yes ~ N/A
i4. Existing emban]m~ent freeboard (feet) ~ I Peet
15. Cracks, bulging, or erosion on upstream face Yes Cpl N/A
16. Visible sumps or sinkholes in slurry surface Yes ®o N/A
17. Clogging
a) Spillway channels and pipes Yes ® N/A
b) Decant system Yes ~ N/A
c) Diversion Ditches Yes ® N/A
18. Cracking or crushing of pipes
~a) Spillway pipes Yes ~ N/A
b) Decant system Y
e
s ® N/A
19. Trash racks clear and in place s
~
~
`~ No N/A
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