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GAEDE PIT <br />M-1978-051 <br />TECHNICAL REVISION <br />ADDITIONAL INFORMATION <br />Imported Topsoil Required <br />Permitted Area of the site: 1,000 Lin. Ft. by 435 Lin Ft. <br />Disturbed Area requiring imported topsoil: measured April 15, 2010 by Ken <br />Morrison: <br />660 Lin. Ft. by 365 Lin. Ft. <br />= 240, 900 Sq. Ft. or 5.53 acres. <br />The technical revision calls for the importation of 3 to 4 inches of clean <br />topsoil. For quantity calculations use the average of 3.5 inches: <br />240.900 sq. ft. X 3.5"/12" = 70,262 cu. ft./ 27 cu. ft/cu. yd. <br />= 2602 cubic yards <br />Lincoln County will import approximately 2600 cubic yards of topsoil. The <br />import of the topsoil will commence when the current stockpiles of <br />sand/gravel and some additional removal. of material occurs. The additional <br />removal would be in depth only; there would be no additional area disturbed. <br />Lincoln County projects that the pit will be exhausted of available material <br />in the fall of 2010 or early summer of 2011. The importation of the topsoil <br />would within two or three months of the last removal of material. <br />Reclamation will start once the proper quantity of topsoil is imported and <br />properly placed.