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3.02 PREPARATION <br />A. Identify required lines, levels, contours, and datum. <br />B. Stake and flag locations of known utilities. <br />C. Locate, identify, and protect utilities that remain, from damage. <br />3.03 ROUGH GRADING <br />A. Remove topsoil from areas to be further excavated, re -landscaped, or re -graded, without mixing with foreign <br />materials. <br />B. Do not remove topsoil when wet. <br />C. Remove subsoil from areas to be further excavated, re -landscaped, or re -graded. <br />D. Do not remove wet subsoil, unless it is subsequently processed to obtain optimum moisture content. <br />E. Stability: Replace damaged or displaced subsoil to same requirements as for specified fill. <br />3.04 SOIL REMOVAL <br />A. Stockpile excavated topsoil on site before grading. <br />B. Maintain areas in a well drained condition at all times. <br />C. Stockpiles: Use areas designated on site; pile depth not to exceed 10 feet; protect from erosion; fence off area. <br />3.05 PLACING EMBANKMENTS <br />A. Deposit and spread in uniform layers in 6 inch lifts. <br />B. Maintain optimum moisture content. <br />C. Compact to 100% of Standard proctor density. <br />3.06 FINISH GRADING <br />A. Before Finish Grading: <br />1. Verify building and trench backfilling have been inspected. <br />2. Verify subgrade has been contoured and compacted. <br />B. Remove debris, roots, branches, stones, in excess of 1/2 inch in size. Remove contaminated soil. <br />C. Where topsoil is to be placed, scarify surface to depth of 3 inches. <br />D. In areas where vehicles or equipment have compacted soil, scarify surface to depth of 6 inches. <br />E. Place topsoil in areas indicated. <br />F. Place topsoil to nominal depth of 4 inches. <br />G. Place topsoil during dry weather. <br />H. Remove roots, weeds, rocks, and foreign material while spreading. <br />Division 31— Earthwork <br />DV31-3 <br />