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Area Topsoil <br />Salvaged <br />in cy Overbuy- <br />den Sal- <br />vaged in cy Overburden/Soil <br />Moved to Other <br />Areas in cy Overburden <br />used to back- <br />fill slopes <br />from 2H:1V <br />to 3H:1V Total Available <br />for Pad Creation <br />in cy <br />1 49,170 30,976 197,854 46,200 231,800 <br />2 0 0 240,500 42,300 198,200 <br />3 0 0 196,310 21,400 174,910 <br />4 37,100 0 1,357,000 123,900 1,270,200 <br />5 0 0 1,096,000 84,100 1,011,900 <br />Total 86,270 30,976 3,087,664 317,902 2,887,010 <br />In order to create pad areas that are above the 100 year floodplain, they must be filled to an eleva- <br />tion of 4466' on the west side of the property and 4470' on the east side to be 1' above the <br />floodplain. The floodplain elevation drops gradually from east to west throughout the permit area. <br />The table below shows how the land pads will be created in each mining area using the overbur- <br />den/soil from the excavations above to balance [he cut and fill. In order to balance the fill should <br />equal the total overburden soil available from the table above (2,887,010 cy). <br />Mining <br />Area Pad Area <br />in Acres Average <br />Current <br />Surface <br />Elevation Average <br />Mine Area <br />Cut Elevation Final Pad <br />Average <br />Elevation Pad Average <br />Depth of <br />Backfill in ft Volume <br />in CY <br />Needed to <br />Create <br />Pads <br />1 5.27 4462' 4438.2' 4467' 28.8 244865.3 <br />2 13.99 4465' 4440.6` 4469' 28.4 641003.1 <br />3 11.6 4461' 4436.6' 4468' 31.4 587640.5 <br />4 15.16 4479' 4438,0' 4469' 31.0 758202.1 <br />5 11.6 4476' 4433.0' 4468' 35.0 655013.3 <br />Total 57.62 2,886,724 <br />15 Road Pit 10/02 14 <br />