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6.4.40) <br /> Roadways <br /> The site will use existing on-site roads, where possible and until they are mined, and will create <br /> new onsite roads as mining progresses throughout the site. Current onsite roads are shown on <br /> Map C-1, roads created during mining are shown on Maps C-2, C-3, C-4, C-5, C-6, C-7, and C-8 <br /> and final reclamation roads are shown on Maps F-1 and F-2. The majority of haul traffic will exit <br /> the site and travel due south towards Interstate-70. The intersection of the CCP and 1-70 is a full- <br /> service interchange. <br /> Initial mining required to open the quarry will include development of the road to reach the top <br /> of Phase 1 (Maps C-2 and C-3). <br /> Onsite mining roads and roads built during various phases of the WRL development are detailed <br /> on Maps C-7 and C-8. <br /> While Phase 2 is mined and once the appropriate elevations are met, a mining access road will be <br /> created trending north-south through the middle of the site. In the assumed CCP realignment <br /> scenario, mining progresses downwards until a final elevation of 7915 feet is met at the northern <br /> extent of the road and 7780 elevation at the southern extent of the road. The resultant final road <br /> grade will have an 5% slope. Assuming CCP realignment, the road corridor will be constructed <br /> —100-foot wide to mimic the CCP design. As the realigned CCP is incorporated into CC <br /> control, it could be removed from the affected area. <br /> As part of the Pre-Mine/Opening phases, a culvert that runs under the CCP will be modified to <br /> accommodate drainage for the finished processing area. On the south side of the CCP, the <br /> culvert will be extended vertically to the elevation of the designed processing area pad. Only <br /> sediment free stormwater will be permitted to enter the culvert as a result of large storm events. <br /> Young Ranch Resource <br /> February 2020 D-17 <br />