2009-09-03_REVISION - C1980007 ‎(3)‎

• Permit No: C1980007
• IBM Index Class Name: REVISION
• Doc Date: 9/3/2009
• Doc Name: Preliminary Adequacy Review
• From: DRMS
• To: Mountain Coal Company
• Type & Sequence: TR118
• Email Name: TAK
• Media Type: D
• Archive: No

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West Elk Mine
weather station collects "real-time measurements" on a regular interval for wind speed, wind
direction, air temperature, relative humidity, precipitation, and barometric pressure.
Mine Roads
Haul/Access Roads
No roads on the West Elk Mine site are specifically designated or utilized only as haul roads.
A majority of the roads are considered haul and access roads. They are primarily used as
access roads, but coal or coal mine waste are sometimes hauled across the roads. This
classification includes the following roads:
Road Designation
Silo Haul/Access Road
Middle Mine Haul/Access Road
Upper Haul/Access Road
Road Location
Between silos and MB-2R
Between breaker building and Main
haul/access road
Between the intersection of the Middle Mine
haul/access road and the Main haul access
road and the Portal access road
Main Haul/Access Road Between Highway 133 and the intersection
of the Middle Mine haul/access road and the
Main haul/access road
Refuse Pile Expansion (RPE) Access from the Main haul/access road, across
Haul/Access Road Sylvester Gulch and to RPE area.
Sylvester Gulch Haul/Access Road Between main haul/access road and the
ventilation shafts site
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As coal or coal mine waste may be hauled on the above roads, all of the roads have been
designed, constructed and certified as haul roads. These as-built certifications are provided in
Exhibit 8A. There are three roads that are considered access roads only. They are the Three-
Sided Building access road, the Portal access road, and the Materials Storage Bench access road.
These roads have been certified as access roads and the certifications are also provided in Exhibit
8A.
Vertical grades on the haul/access roads vary. The middle-mine haul/access road has an overall
grade of 5.68 percent. This road is paved. The new silo haul/access road has a maximum grade
of 10 percent and is gravel-surfaced. The Sylvester Gulch haul/access road has been designed to
have an average grade of 7.6 percent with a maximum grade'of 10 percent. This road is surfaced
with 12 inches of compacted Class 6 road base.
2.05-25 Revised June 2005 PR70; Rev. Janumy 2006; Rev. March 2006; Rev. April 2006 PRIO, May 2006 PRIO; Rev. January 2009 MR-350