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<br /> Page 18 <br />component has specific construction requirements that must be monitored. The following sections <br />list monitoring requirements for each type of earthwork. <br /> <br />3.4.1 Stockpiling and Soil Management <br /> <br />• Review Contractor's approved work plan submittal. Verifying stockpile locations, <br />stockpile dimensions, haul routes, material segregation procedures, and erosion, <br />sediment and drainage control measures. Determine and note corrective action items, if <br />applicable. <br /> <br />• During excavation, hauling, and stockpiling operations continually identify and verify <br />material classifications in accordance with ASTM D2478 and ASTM D2488 as <br />necessary to characterize material stockpile designations. Work closely with <br />Contractor's quality control personnel to classify materials using the rapid field tests <br />described in ASTM D2488. <br /> <br />• Verify that stockpiles are constructed with slopes no greater than two horizontal to one <br />vertical and that the top surface maintains a minimum 5 percent grade. Verify slopes and <br />grades using hand held levels and inclinometers, range poles, and measuring tapes. <br /> <br />3.4.2 Excavations <br /> <br />• Verify that construction staking is performed before work and that survey bench marks <br />with elevations are secured outside the work area. <br /> <br />• Verify that excavated materials are segregated into proper stockpiles. <br /> <br />• Coordinate with the Earthwork Contractor and Owner to perform excavation verification <br />surveys upon completion of excavating operations. Verify corrective action measures as <br />determined by verification surveys. Verification surveys will also be used to determined <br />limits of excavation for measurements and payment applications. Submit copy of <br />verification surveys to the Construction Manager. <br /> <br />3.4.3 General Earthfill <br /> <br />• Verify that construction staking is performed before work and that survey bench marks <br />with elevations are secured outside the work area. <br /> <br />• Perform visual and manual soil classifications (ASTM D2488) to verify that material <br />source is suitable for earthfills. Verify that the material is free of organic and oversized <br />materials. Perform classifications continually during excavation of borrow materials. <br /> <br />• Perform moisture-density relationship testing (ASTM D1557) to determine the <br />maximum dry density and optimum moisture content of earthfill materials. Perform tests <br />at testing frequencies specified in Section 3.2.2.