_INSPECTION - C1982056 ‎(33)‎

• Permit No: C1982056
• IBM Index Class Name: INSPECTION
• Doc Name: Inspection Report
• From: DRMS
• To: Twentymile Coal Company
• Inspection Date: 12/13/2010
• Email Name: JDM
• Media Type: D
• Archive: No

December 13,2010 C-1982-056/Foidel Creek Mine JDM
Inspection Topic Summary
NOTE: V=Inspected N=Not Inspected R=Comments Noted V=Violation Issued NA=Not Applicable
N -Air Resource Protection R -Roads
N -Availability of Records N -Reclamation Success
N -Backfill&Grading N -Revegetation
N -Excess Spoil and Dev.Waste N - Subsidence
N -Explosives N -Slides and Other Damage
N -Fish&Wildlife Y - Support Facilities On-site
R -Hydrologic Balance N - Signs and Markers
Y -Gen. Compliance With Mine Plan N -Support Facilities Not On-site
R -Other N - Special Categories Of Mining
R -Processing Waste N -Topsoil
COMMENTS
HYDROLOGIC BALANCE -Rule 4.05❑❑Drainage Control 4.05.1, 4.05.2, 4.05.3; Siltation Structures 4.05.5,
4.05.6; Discharge Structures 4.05.7, 4.05.10; Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water
Monitoring 4.05.13; Surface Water Monitoring 4.05.13; Drainage—Acid and Toxic Materials 4.05.8;
Impoundments 4.05.6, 4.05.9; Stream Buffer Zones 4.05.18:
The aerial photographs showed no signs of erosion from the following established ditches: 6NM pad drainage
ditch 1, 6NM access road drainage ditch 1,Ditch B-1,RDA-1C, RDA-2,D-1,RDA-D3,D4,G2,F4, and G1.
Ponds identified in the aerial photographs included ponds T,G,F,D, E,Pit,B, C, 6NM,and the Fish Creek
Borehole. All ponds were frozen at the surface and snow-covered with the exception of the 6NM,T, and C,which
were dry and snow-covered,and the Pit pond and the Fish Creek Borehole which were holding water.
The pond embankments appeared stable and in compliance with no problems noted. There did not appear to be
any signs of substantial run-off to the ponds or throughout the site displayed in the aerial photographs.
OTHER(SPECIFY):
This was an aerial inspection flown by Harry Ranney of the Colorado Division of Reclamation,Mining and Safety
(Division). Oblique aerial photographs were taken on December 13, 2010 and reviewed in the office by Jason
Musick of the Division on December 16, 2010. The site was snow covered with no coal being loaded during the
aerial inspection.
PROCESSING WASTE/COAL MINE WASTE PILES—Rule 4.10 and 4.11❑❑Drainage Control; Surface
Stabilization; Placement:
Refuse material continues to be placed in the area of the RDA expansion. This material is being placed at the toe
of the completed portion of the core drain. No problems were noted.
ROADS—Rule 4.03❑❑Construction 4.03.1(3)/4.03.2(3)❑❑Drainage 4.03.1(4)/4.03.2(4)❑❑Surfacing and
Maintenance4.03.1(5)and(6)/4.03.2(5)and(6)❑❑Reclamation 4.03.1(7)/4.03.2(7):
The RDA Expansion haul road appeared to be stable with no problems noted in the aerial photographs. All access
Number of Partial Inspection this Fiscal Year: 4
Number of Complete Inspections this Fiscal Year: 2
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