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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 />