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6.4.4 Exhibit D – Mining Plan <br />The following sections detail changes from the existing Exhibit D. <br />(a) Description of Methods <br />Both Cells 2 and 4 will utilize conventional dry mining techniques whereby <br />dewatering trenches are first constructed around the perimeter of the active <br />excavation. Mining highwalls will vary from 1H:1V to 3H:1VTopsoil is then <br />removed with scrapers and stockpiled separately form overburden. Overburden <br />materials are then striped with an excavator loading into non-road haul trucks <br />(rock trucks) where it is hauled to the overburden stockpile area to the west. <br />(b) Earthmoving <br />The primary earthmoving activity will be: <br />1. Stripping of topsoil and stockpiling in areas shown in Exhibit D Sheet-2 <br />2. Excavation of overburden and hauling to the stockpile area shown in <br />Exhibit D Sheet-2 <br />3. Excavation of pit run and hauling to the conveyor feed <br />Table 6.4.4-1. Mining Earthmoving Quantities Summary <br />CELL 2 <br />30-45ft deep <br />ITEM VOLUMES AREAS <br />Total Excavation 1,886,178.00 yd3 <br /> <br />Overburden <br />Excavation 1,163,592.00 yd3 <br /> <br />Gravel 722,586.00 yd3 <br /> <br />Excavation Area 170,917.35 yd2 <br /> <br />Excavation Area 35.32 ac <br /> <br /> <br /> <br /> <br />