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G. The CONTRACTOR shall excavate the WMU FU-04 cell to sufficient lines and <br /> grades to construct the compacted clay liner and sumps as shown on the <br /> Construction Drawings and described in these Specifications. <br /> H. Shape, tnm, and cut ditches and other drainage structures as necessary to achieve <br /> grades and dimensions shown on the Construction Drawings. <br /> 3.5 LIMITS OF EXCAVATION <br /> A. Excavate to the depths and widths, as shown on the Construction Drawings. <br /> Allow for minimum thickness of clay liner as required. Excavation carried below <br /> the grade lines shown or established by the DESIGN ENGINEER shall be <br /> replaced with the same fill material as specified for the overlying fill or backfill, <br /> and compacted as required for such overlying fill or backfill. Where the overlying <br /> area is not to receive fill or backfill, replace the overexcavated material and <br /> compact to a density not less than that of the underlying ground. Cuts below <br /> grade shall be corrected by similarly cutting adjoining areas and creating a smooth <br /> transition. Correct all overexcavated areas at the EARTHWORK <br /> CONTRACTOR's sole expense. <br /> 3.6 STOCKPILE ACTIVITIES <br /> A. Stockpile all excavated material. Uniformly grade stockpile area to conform to <br /> existing contours, leave with a neat appearance, and maintain current drainage <br /> patterns. The stockpile shall have a slope no greater than two horizontal to one <br /> vertical and the top surface shall have a minimum 5 percent grade. <br /> B. Selective Stockpiling: <br /> 1. The CONTRACTOR shall make all reasonable efforts to separately <br /> stockpile fine grained materials suitable for use as the Clay Liner. Material <br /> suitable for use as protective operations layer shall be placed in separate <br /> stockpile. <br /> 2. The QA/QC CONSULTANT may sample and analyze all stockpiles created <br /> by the EARTHWORK CONTRACTOR. <br /> 3. If, in the opinion of the QA/QC CONSULTANT, the EARTHWORK <br /> CONTRACTOR is not adequately separating excavated soil in accordance <br /> with these Specifications, the QA/QC CONSULTANT may direct the <br /> EARTHWORK CONTRACTOR to modify his stockpiling operation or <br /> may order the EARTHWORK CONTRACTOR to halt excavation and <br /> stockpiling activities. <br /> Forward Landfill WMU FU-04 <br /> 02300 11 EARTHWORK <br />