2008-12-04_PERMIT FILE - C1994082A (5)

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~ht Use Roads Light use roads have been retained for limited access to the reclaimed lands to facilitate monitoring, maintenance, and future landowner use. The roads are of appropriate width for the anticipated volume of traffic and the nature and speed of the vehicles to be used and provide access to the interior of the mining area. In most instances, these roads average 12 feet in width. In some cases these roads are extensions of roads and trails that existed prior to mining. Exhibit 20-2, Post Mining Topography, shows the locations of these light use roads. The road profiles and cross-sections are included in Tab 20 as Exhibit 20-3, Post Mine Road Profiles. Light Use Road 1 (LU 1). This road is approximately 550 feet long and provides access to Sediment Pond 010 from Road B. As shown on the profile, it meets the grade criteria for a light use road. In addition, it meets the criteria for design and construction, drainage, and surfacing. Maintenance will be conducted as necessary until final bond release. Light Use Road 2 (LU 2). This road is approximately 850 feet long and provides limited access to a fenced shrub plot and the North Pit area from LU 3A. As shown on the profile, it meets the grade criteria for a light use road. In addition, it meets the criteria for design and construction, drainage, and surfacing. Maintenance will be conducted as necessary until final bond release. Light Use Road 3A (LU 3A). This road is approximately 7,000 feet long and provides access to the fenced shrub plot in the Neck Pit area and to the BLM property boundary from Road A. As shown on the profile, it meets the grade criteria for a light use road. In addition, it meets the criteria for design and construction, drainage, and surfacing. Maintenance will be conducted as necessary until final bond release. Drainage control along this road consists of designed ditches and culverts. SEDCAD design calculations are contained in Tab 13, Facilities. SCC is currently in negotiations with the BLM to acquire a permanent access across the adjoining BLM land to • connect SCC owned lands in the north and south portions of the Yoast area. Light Use Road 3B (LU 3B). This road is approximately 7,480 feet long and connects with an existing road through the undisturbed area and with LU 4 to provide access from Routt County Road 37 through the south mining area. LU 3B currently terminates at the BLM property boundary that separates LU 3B from LU 3A. As shown on the profile, it meets the grade criteria for a light use road. In addition, it meets the criteria for design and construction, drainage, and surfacing. Drainage control along this road consists of typical light use road ditches and water bars to control runoff and erosion. Maintenance will be performed as necessary until final bond release. Light Use Road 4 (LU 4). This road is approximately 850 feet long and provides a connection from Routt County Road 37 and an existing road through the undisturbed area to LU 3B. This road also provides access to Sediment Pond 012 and potentially Pond 012A for monitoring and maintenance. As shown on the profile, it meets the grade criteria for a light use road. In addition, it meets the criteria for design and construction, drainage, and surfacing. Maintenance will be conducted as necessary until final bond release. Light Use Road 5 (LU 5). This road is approximately 370 feet long and provides access to Sediment Pond 013 for monitoring and maintenance. As shown on the profile, it meets the grade criteria for a light use road. In addition, it meets the criteria for design and construction, drainage, and surfacing. Maintenance will be conducted as necessary until final bond release. Culverts The culverts to be retained in conjunction with the permanent roads are shown on Exhibit 20-2, Post Mining Topography, and include the following. n U TR-37 20-1.2 08/08