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and then the material will be dewatered to help dry the raw aggregate material in the center of <br /> the block which will be excavated and removed from the pit.We are planning to mine and <br /> dewater each block in three lifts.The excavated raw aggregate material will be temporarily <br /> stockpiled near the portable aggregate processing equipment sites.When the aggregate <br /> material is processed,then it is available for sale,further processing at the wet plant or to be <br /> used by the asphalt hot plant as a part of the hot bituminous asphalt paving material. <br /> 9. All aggregate material excavated from the mine phases will be dewatered and dry mined. <br /> 10. See the reclamation plan for the Mine Phase 1 overburden fill plan,and Phase 2 through 4 inert <br /> material fill plan. <br /> 11. Equipment-The aggregate material will be mined using,but not limited to the following <br /> equipment. <br /> a. Earth moving equipment—Dozers, loaders,excavators, articulated haul trucks, water <br /> truck and possibly scrapers will be used for the mining and earth moving operations. <br /> b. Processing Equipment—Feeders,screens,jaw, cone, and impact crushers;screening <br /> plant, log washer, sand screw,wet plant, conveyors,stackers, and other miscellaneous <br /> processing equipment.All aggregate crushing/screening equipment is mobile for <br /> relocation in the mine. <br /> c. Dewatering the mine will be carried out with pumps, pump basins, pipelines,and <br /> ditches as necessary to support the various block mining operations and to achieve dry <br /> mining conditions. <br /> d. Miscellaneous Equipment—Pumps for dust control systems, pipe,tanks,pickups, <br /> mechanics trucks, lube trucks,trash receptacles,metal recycle bins, portable toilets, <br /> truck scales,scale house/office and asphalt hot plant. <br /> e. No fuel will be stored on site. <br /> 12. The final site grading will return the property to topographic conditions consistent with pre- <br /> development conditions,as shown on the final reclamation map. <br /> 13. All local, state, and federal rules, regulations and laws will be followed for the storage and <br /> handling of any fuel,asphalt and additives needed to produce hot asphalt materials. <br /> C—Water diversions and impoundments— <br /> 1. Dewatering trenches will be constructed along the perimeter of each mining block.The <br /> dewatering trench around the perimeter of the mine block will be placed at the toe of the <br /> mining slope. As the block is mined deeper the dewatering trench will be lowered and moved <br /> laterally along the t 3HAV mining slope toward the center of that block.The depth of the <br /> ditches will vary as the mining progresses deeper into the alluvium to keep the ground water <br /> level below the active mining bottom surface and minimize the exposed groundwater surface <br /> area. Each mining block will require about three lifts to fully excavate the aggregate material <br /> from each block.The dewatering ditches will flow to a pump basin,water will be pumped into a <br /> discharge ditch which traverses the north end of the mining phases and eventually discharges <br /> into the South Platte River at the Northeast corner of the mine property. <br /> 2. Flood Plain/Flood Way—The entire site is in either the South Platte River flood plain or flood <br /> way. No material fill will take place in the flood way above the existing ground elevation. No <br /> HAPlts HBP Plants\EVANS\Stiles Mining Resource\Exh D-Mine Plan\Mine Plan Draft.docx <br />