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Table D-2 Mining Timetable <br /> Step Time to Complete <br /> Mine Out Pit 6 years <br /> Final Reclamation 0.5 years <br /> Total 6.5 years <br /> 3. Mine Facilities and Operation <br /> The following activities will take place at the Ready Mix Pit: <br /> • Excavation <br /> • Crushing and screening <br /> • Washing of rock <br /> • Asphalt manufacture <br /> • Concrete manufacture <br /> Equipment to support these activities will include portable plants,excavators, and haul trucks. <br /> 4. Topsoil and Overburden Handling <br /> Overburden is practically non-existent on the site. Any that is found will be stripped and placed in <br /> the currently finished pits. The currently mined out areas of the permit on the eastern portion of the <br /> permit have already been stripped of topsoil,which is already stockpiled along the west side of the <br /> existing mining area. During reclamation of the existing mined out areas, this topsoil will be used. <br /> Topsoil stripped from the new mining area will be similarly stockpiled in berms along the west side <br /> of the new mining area. Assuming an average of three inches of topsoil (zero to six inches of <br /> topsoil are expected) in the new mining area, roughly 3000 CY of topsoil will be stripped. <br /> 5. Water Handling <br /> Pit dewatering will be necessary to mine to depths desired by United. Perimeter dewatering ditches <br /> will be installed below the operational floor of the pit, and a dewatering pump placed at the low <br /> point of these ditches to facilitate dewatering. Placing the dewatering pump below the floor grade <br /> Ready Mix Pit October 2017 D- 2 X (am I cwirlti am/Associates,PI.I,1 <br />