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which could artificially reduce the impacts of flooding in the area. It should be noted that for this <br /> reason, mining pits are not typically modeled as empty in flood modeling for things such as No- <br /> Rise Certifications. The resulting non-mining flood model velocity map shows velocities in the 4 <br /> to 5 feet/second band, below 7.09 feet/second. This serves as further confirmation that a <br /> velocity of—7 feet/second leads to conservative riprap sizing for the inflow/outflow structures. <br /> *i <br /> '+1 <br /> 1 <br /> r <br /> r <br /> 8� <br /> 6- <br /> 4{ <br /> 2� <br /> {1cooft <br /> Floodwater Velocity— Baseline Conditions (USGS DEM) <br /> In the event of flooding at the site, equipment from the active mining floor will be removed and <br /> the pit will be allowed to fill with water. The flooded pit will be pumped only after the flood has <br /> subsided. All fuel will be stored at least one foot above the base flood elevation and in sufficient <br /> secondary containment with 110% carrying capacity. <br /> 4. Wetlands <br /> No wetlands exist on the site. <br /> Evans Mining Resource <br /> February 2025 G-4 Lewicki&Associates <br />