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Grout Plug top and bottom - 1.3 CY <br />Inert Material Needed - 32.2 CY <br />Inert Material From Pad <br />1.65 acres x 43560 fr' = 71874 ft'` <br />71874 ftz x 0.1 ft = 7187.4 ft' = 266 CY <br />This demonstrates that adequate material exists on the pad without impacting the post- <br />mining topography. Less than 0.1 foot would have to be removed from the footprint of <br />the pad to provide the fill. <br />NMD Power Borehole <br />Pad 1 acre <br />Total Volume to fill - 32 CY (based on four 6" holes 1100 feet deep) <br />Grout Plug top and bottom of holes- 0.6 CY <br />Inert Material Needed - 31.4 CY <br />Inert Material From Pad <br />I acre x 43560 ft2 = 43560 ftZ <br />43560 ft2 x 0.1 ft = 4356 ft' = 161.3 CY <br />This demonstrates that adequate material exists on the pad without impacting the post- <br />mining topography. Less than 0.1 foot would have to be removed from the footprint of <br />the pad to provide [he fill. <br />EMD Vent Shaft <br />Includes both intake and exhaust shafts <br />Pad 1.5 acres <br />Total Volume to fill - 893.9 CY <br />Grout Plug top and bottom - 23.8 CY <br />Inert Material Needed - 870.1 CY <br />Inert Material From Pad <br />1.5 acres x 43560 ftZ = 65340 ftZ <br />65340 ft2 x 0.5 ft = 32670 ft3 = 1210 CY <br />This demonstrates that adequate material exists on the pad without impacting the post- <br />mining topography. Less than 0.5 feet would have to be removed from the footprint of <br />the pad to provide the fill. <br />