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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 2:1 (horizontal to <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 /> 4. Delays caused by inadequate stockpiling operation, as determined by the <br /> QA/QC CONSULTANT, shall not be cause for an extension in the <br /> EARTHWORK CONTRACTOR's completion dates or cause for <br /> EARTHWORK CONTRACTOR change orders and all additional cost <br /> associated shall be at the EARTHWORK CONTRACTOR's sole expense. <br /> FORWARD LANDFILL 02300 <br /> 11 EARTHWORK <br />