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E. Maintaining Clay Liner Condition: <br /> 1. Following completion of the clay liner, it shall be maintained in a moist <br /> condition by sprinkling with water or covering with plastic sheeting until <br /> the overlying components of the liner system are placed. The <br /> EARTHWORK CONTRACTOR shall be responsible for, and shall repair <br /> and replace at his own expense, any portion of the clay liner that has dried <br /> out or been damaged by unfavorable weather conditions or by his <br /> construction operations. <br /> 2. Cracks that form in the hydraulic barrier layer shall be repaired. Repair <br /> shall consist of mixing to the full depth of the crack, moisture conditioning, <br /> and recompacting to the same relative compaction as the surrounding clay <br /> liner at the EARTHWORK CONTRACTOR's sole expense. <br /> 3. If the clay liner becomes softened due to moisture changes, scarify and mix <br /> full depth of damage, adjust water content to specified value, and recompact <br /> as previously specified, at the EARTHWORK CONTRACTOR's sole <br /> expense. <br /> F. Field Quality Control <br /> 1. As the clay liner is being placed and compacted, the QA/QC <br /> CONSULTANT will be monitoring the construction activities and soil <br /> properties as described in the CQA Manual. Acceptance testing frequencies <br /> are defined in the CQA Manual. The EARTHWORK CONTRACTOR <br /> shall cooperate with the QA/QC CONSULTANT in obtaining samples for <br /> the CQA acceptance testing, and in leveling and backfilling areas designated <br /> by the QA/QC CONSULTANT. <br /> 2. The location of acceptance testing shall be determined solely by the QA/QC <br /> CONSULTANT. The QA/QC CONSULTANT may test any lift of the clay <br /> liner at any time, location, or elevation. <br /> 3. Holes left by sampling and testing shall be backfilled by the EARTHWORK <br /> CONTRACTOR using the Clay Liner Material. <br /> 4. If acceptance testing by the QA/QC CONSULTANT indicates that the Clay <br /> Liner Material does not meet specified requirements for density, water <br /> content, or lift thickness, the EARTHWORK CONTRACTOR shall <br /> terminate material placement until corrective measures are taken at the <br /> EARTHWORK CONTRACTOR's sole expense. Corrective measures <br /> could include, but are not limited to, scarifying and recompacting of <br /> material or removal of material that does not meet the requirements of these <br /> Specifications. <br /> FORWARD LANDFILL 02300 <br /> 16 EARTHWORK <br />