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

..
<
,.. ,
PERIODIC INSPECTION FORM
--~=PATER, fiEDIMENT, OR SLURRY IMPOUNDMENTS
Inspectors Name: ~oSS ~,,,~~:-
-NPDES ID. No.; CO-0000213 001
-Facility.Configuratian: Cross Valley Pond
Site Name: Impoundment t 001
Mine Name: New Horizon Mine Western Fuels-Ca
Mine ID No.:CMLRD Permit 40000-81' --
Owners Rep.: R, L:-Wade, Mine Manamer
Date: / ~ y; '~iJ-
Date Last Inspected: ~J-7.93
Location: 47N16W36BC
Location:2 mi. NW of Nucla, Co.
CIRCLE OR WRITE IN APPROPRIATE RESPONSE
1. Foundation Preparation (removal of Vegetation, stumps, topsoil) Ye Na N/A
2. Lift thickness (inches]: /2 ri/c`r_.v, Yes Na N/A
3. Compaction according to approved plan: ~ No N/A
4. Burning (specify extent and location): Yes No, N/A
5. Angle of slope: 3:1 upstream, 3:1 downstream, Total = 6:1
6. Seepage (specify location, color, and approx. volume)
From underdrain pipes: Yes No~-~'
At isolated points on embankment slopes: Yes ~g~ N/R
At natural hillside: Yes ~ N/A
Over widespread areas: Yes ~ N/A
From downstream foundation area: Yes o N/A
'Boils' beneath stream or ponded water: Yes a N/A
7,. Cracks or scarps on crest: Yes o N/A
S. Cracks ar scarps on slope: Yes o N/A
9. Sloughing or bulging on slope: Yes ~ N/A
10. }Major erasion prohlems: Yes a N/A
11. Surface movements in valley bottom or on hillside: Yes N/A
12. aErosian of tae: Yes ~ N/A
13. (Water impounded against toe: Yes ~ N/A
14. Existing embankment freeboard (feet): ~ _ Feet~~ of
15. increase or decrease in water level (feet)s Feet
,
.~~,c,
16. Cracks, bulging, mr erosion on upstream face: Yes o ~
,
N/A
17. Visible 5Ump5 ar sinkholes in slurry surface: Yes N N/A
18. +Clogging
Spillway channels and pipes: Yes o N/A
Decant system: Yes N N/A
Diversion ditches: Yes N N/A
19. ;Cracking or crushing of pipes
Spillway pipes: Yes ~ N/A
Decant system: Yes Na N%A
20. Trash racks clear and in place: Yes No N/A
Majo r adverse changes to these items could cause inst nd should b e reported
to th e Chief Engineer and Mine Manager 4or further ~~~ST d verse conditi ons
noted in these items should normally be describe ~;~f~W~(,'~~q`c6~ 'on, vol ume, etc.)
on pa ge two of this inspection form. cif~~ ~';o ,z