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1.1.8 Mining Plan and Schedule of Operations <br /> Scott will prepare the site for mining, and then mine the property in four phases. <br /> Representative diagrams are included in Figure 2, Figure 3, and Figure 4 and the complete <br /> plan set is included in Appendix C, providing additional details associated with this application <br /> and the Mining Plan. <br /> 1.1.8.1 Site Development and Grading (Phase 1) <br /> No mining will occur during Phase 1. This phase of the project will include minor site grading <br /> and vegetation removal on the 19.00 acres of proposed disturbance, and construction of the <br /> Operations Pad and site access/driveway apron. The mine will use conventional earth moving <br /> equipment including, but not limited to a bulldozer, track-hoe, and a 35-ton haul truck. Specific <br /> activities include the following. <br /> Access work <br /> A paved access apron will be constructed to access the project site from the CR 346 <br /> (Interstate-70 frontage road). CDOT has reviewed the plans and issued an access permit to <br /> allow for this construction (See Appendix B). <br /> The tailwater channel bisects the property, isolating the northern portion of the proposed <br /> mining footprint from the road access on the parcel's southern boundary. Scott will not disturb <br /> the tailwater channel in its existing location and will implement Best Management Practices <br /> (BMPs) to prevent mining operations from discharging into or comingling with these waters. <br /> Scott will utilize the single existing crossing of the channel to access the northern portion of <br /> the property. The existing crossing includes an adequate culvert, and maintenance will be <br /> limited to the replacement of eroded overburden, to restore the crossing to an adequate 12- <br /> foot-wide travel surface. <br /> Surface preparation <br /> Topsoil and overburden will be stripped from the mining area; the overburden will be used to <br /> construct the required berms along the perimeter of the site, and the topsoil will be applied to <br /> the berms as a surface layer to support reclamation seeding. These berms will be placed at <br /> the inside edge of the proposed 25-foot setback from the property line. These berms will be <br /> roughly 5-feet in height and 25-feet wide at the bottom and will also help control noise and <br /> visual impacts during operation (see Figures 2, 3, and 4 specifically Berm Details B/6, D/7, <br /> and E/7, respectively). <br /> The existing topsoil and will be stripped and used for the required berms along the perimeter <br /> of the site (Figures 2 - 4). Note that the thickness of topsoil and overburden across the site <br /> vary. The boring holes indicate the overburden thickness can vary from 1 to 7 feet. Appendix <br /> C includes the typical cross-sections at the boring holes. <br /> These berms will serve many purposes but specific to drainage and erosion control they will <br /> prevent runoff of stormwater onto the site and protect the operations from the influence and <br /> flooding by the Colorado River. Additional erosion and sediment control BMPs will be installed <br /> 1-8 <br />