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Rifle Gravel Pit #1 June 2021 <br /> 1.3.2.2 Planned Material Storage Area <br /> Proposed material stockpile areas will include equipment, pipes, and construction materials. <br /> This area will change depending upon the phase of mining, but generally within the <br /> Operations Pad area as depicted on Exhibit B, Figure 2. Overburden and stockpiled <br /> material to be screened will be placed away from the active mining locations on the bottom <br /> of the pit floor as depicted in Exhibit D3, Figure 11. <br /> 1.3.2.3 Planned Topsoil Storage Area <br /> The planned topsoil storage areas were calculated assuming that 1 foot of topsoil material <br /> will be cut during each stage over the limits of disturbed area (LDA), corresponding to <br /> approximately 29,105 cubic yards (CY) in Stage 1 and 14,036 CY in Stage 2. It was <br /> assumed that the topsoil stockpile will be a cone with 2:1 side slope, corresponding to a <br /> footprint of 0.95 acres in Stage 1 and 0.58 acres in Stage 2. The location of the topsoil <br /> storage pile(s)will be determined during the site preparation activities and placed outside of <br /> the mining footprint as well as any wetland or tailwater channel buffer areas. <br /> 1.3.2.4 Total Permit Affected Area <br /> See Table 1. <br /> 1.3.2.5 Total Parcel Size <br /> The Rifle Pit#1 parcel is 58.7 acres. <br /> 1.4 Commodity to be Mined <br /> Approximately 1 - 2 Million tons of sand and gravel will be mined from the property to <br /> provide materials for future projects. The projected duration of the commercial mining <br /> activities is 4 years. <br /> 1.5 Legal Description of Project Area and Access Road <br /> The legal description of the project area and latitude and longitude of the access road are <br /> provided in Section 2.0. <br /> 1.5.1 Dewatering Pipeline <br /> Note Scott has a temporary license agreement (Attachment B) with the owners of the <br /> neighboring Shideler property (Parcel 217908100527) to the east that will allow Scott to bury <br /> a 12" pipeline that will collect and convey pumped dewatered water to the Colorado River <br /> (Attachment A). Any disturbance associated with this dewatering pipeline will be temporary <br /> and the disturbed areas will be revegetated as the pipeline is installed. <br /> 2 <br />