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B. Hauling <br /> When hauling is done over highways or city streets, the loads shall be trimmed and the vehicle <br /> shelf areas shall be cleaned after each loading. The loads shall be watered after trimming to <br /> eliminate dust. Confine truck traffic to truck route shown on Attachment B. <br /> C. Maintenance of Roadways <br /> All earthwork operations shall be performed in a manner which does not disrupt the continuous <br /> flow of traffic on existing roadways. All streets shall be swept clean daily where dirt and debris <br /> result from Contractor's operations. <br /> D. Finish Grading <br /> Finish grades and existing or natural grades in the area of work are indicated on the Drawings. <br /> The Contractor shall do all grading, filling or excavating as required to completely grade the site <br /> to lines and grades shown, and to provide for the indicated drainage. <br /> Provide minimum 12-inch topsoil layer in all areas outside areas to be paved or rocked. <br /> Compact topsoil to 85 percent of ASTM D1557 maximum dry density. <br /> Where finished grade corresponds practically with existing grade, the ground shall be worked up <br /> and graded off evenly with existing grade. Filled areas shall be compacted so as to prevent <br /> settlement, and the Contractor shall be responsible for a period of one year after final <br /> acceptance of the project to provide additional fill as necessary to bring to grade any areas <br /> which settle below the indicated grades and to replace or repair any planting or work damaged <br /> by such settlement. <br /> E. Tolerances <br /> Finished grade shall be to the line and grade shown on the plans to within a tolerance of plus or <br /> minus 0.05 ft. Allowance for topsoil and sub-base and pavement thickness shall be made so <br /> that the specified thickness can be applied to attain the finished grade. <br /> F. Control of Erosion <br /> The Contractor shall maintain earthwork surfaces true and smooth and protected from erosion. <br /> Erosion control measures, such as silt fences along the peripheries of construction sites, filter <br /> fabric, sedimentation ponds, temporary detention ponds, and terraced slopes, shall be <br /> employed as appropriate and shall be in place prior to any clearing or grading activity. <br /> 3.02 EXCAVATION <br /> A. General <br /> Excavation shall be in accordance with the grading plan indicated on the Drawings and as <br /> required for construction. Excavations shall be kept free from water while construction is in <br /> progress. The Engineer shall be notified immediately in writing in the event that it becomes <br /> necessary to remove soft, weak, or wet material. Wet excavated materials may need to be dried <br /> by aeration prior to being used as engineered fill. <br /> July 2007 Division III-58 NEI Phase II Water and Sewer <br /> CIP Nos. 7468, 7589, 7590 <br />