2008-05-29_PERMIT FILE - C1981019A (4)

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RULE 4 PERFORMANCE STANDARDS 4.02.6 Blasting Signs Colowyo conspicuously displays signs reading "Blasting Area" along the edge of any blasting area~that comes within 50 feet of any road within the permit azea or within 100 feet of any public road right-of- way. The blast warning and all-clear signals that Colowyo uses are clearly explained at the main entrance to the permit area from Highway 13/789. A sign stating "Blasting Area, Be Careful" is also placed at the entrance to the permit area from Highway 13/789. 4.02.7 Topsoil Markers Colowyo cleazly marks all stockpile topsoil with signs reading "Topsoil." 4.03 ROADWAYS The following sections deal with roads defined per Rule 1.04 (111). 4.03.1 Haul Roads The construction, location, and maintenance of haul road "A" (4 mile roadway from pit area to Gossard Loadout) and haul road "B" (1.4 mile roadway from Highway 13 to haul road "A") is discussed in the existing permit document. These roads will continue to be used as part of the South Taylor/L,ower Wilson mining area. Refer to the existing permit document for details regazding these haul roads. Access to the South Taylor mining area will be through the existing mining area and therefore additional haul roads will not be required to be constructed. • Roads that will be constructed in the actual mining azeas will constantly change as the operation progresses. The "in-pit" roads will be maintained by a motor grader and regulazly wetted to minimize dust as required by the air quality permit. Any drainage off the "in-pit" roads will be retained in the pit or diverted to the drainage and sediment control structures located on Map 33B and in Exhibit 7, Hydrology. Colowyo will maintain the haul roads throughout the life of the mine with repairs including blading, filling of potholes, and replacement of road surface as necessary. Likewise, watering for dust control will be implemented as necessary. Other information relevant to haul roads is provided in the existing permit. 4.03.2 Access Roads Other than the Sturgeon Access Road, there will be no changes to existing access roads for the South Taylor pit expansion. The existing two-track Sturgeon Road will be upgraded to allow access for construction and for routine monitoring and maintenance. Map 25B provides the road design information for Sturgeon Access Road. The Sturgeon Access road cut/fill stabilization seed mix is as follows: Western wheatgrass @ Mountain Brome @ Kentucky Bluegrass @ Sanfoin @ Total 4 Lbs PLS/Acre 4 Lbs PLS/Acre 2 Lbs PLS/Acre 2 Lbs PLS/Acre 12 Lbs PLS/Acre South TaylodLower Wilson- Rule 4, Page 2 Revision Date: 3/30/07 Revision No.: PR-02