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IV. Area 51 <br />L~ <br />A. Site Preparation <br />1. Topsoil Salvage <br />a. 10 acres require topsoil salvage (24,200 yd3) <br />b. Use same assumptions as in production estimates <br />10 acres x 43,56Uftz/ac x 1.5' deep = 24,200 yd3 <br />27ft3 <br />2. Spoil Grading - 10 acres <br />B. Riprap and bedding haul and placement <br />1. Riprap - 1,135 yd3 <br />2. Bedding - 455 yd3 <br />C. Reclamation <br />1. Spoil Grading - 10 acres <br />2. Topsoil Redistribution - 24,200 yd3 <br />3. Revegetation - 10 acres <br />• V. Area 51W <br />A. Site Preparation <br />1. Topsoil Salvage <br />a. 6 acres require topsoil salvage (14,520 yd3) <br />b. Use same assumption as in Production estimates <br />6 acres x 43,560ft2ac x 1.5' deep = 14,520 yd3 <br />27ft3 <br />2. Spoil Grading - 6 acres <br />3. Channel Construction - Excavate approximately 6960 yd3 <br />B. Riprap and bedding haul placement <br />1. Riprap - 1265 yd3 <br />2. Bedding - 395 yd3 <br />C. Reclamation <br />1. Spoil Grading - 6 acres <br />2. Topsoil Redistribution - 14,520 yd3 <br />3. Revegetation - 6 acres <br />• - 45 - Revised 07/29/88 <br />