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Care shall be taken when backfilling the trenches to prevent any damage to the geosynthetics. The Geotechnical CQA Monitors shall observe the backfilling operation and advise the Construction Manager of any problems. 6.2.4.2 VFPE Placement Field Panel Identification A field panel (sheet) is a discrete and integral area of geomembrane which is to be seamed in the field along the edges to other field panels (i.e., a field panel is a roll or a single portion of a single roll). The Contractor or Liner Subcontractor shall assign each panel over 25 square feet an identification code, which shall be agreed to and used by the Geotechnical CQA Monitors, Construction Manager, Contractor and the Liner Subcontractor. The Contractor or Liner Subcontractor shall locate the code with identifying roll number near the middle of panels less than 50 feet in length and at both ends of any panel over 50 feet in length. The Geotechnical CQA Monitors'shall establish a chart showing correspondence between roll numbers, certification reports, and the panel identification code. The field panel identification code shall be`used for all Geotechnical CQA records. A geomembrane panel placement log will be maintained by the Geotechnical CQA Monitors. AML Field Panel Placement ."The Geotothnical CQA MonitcPrs shall,record the identification code. location,and date of installation of each field panel. During panel placement, the Geotechnical CQA Monitors shall: Verify that field panels are installed in general accordance with the panel layout.{�lan,.as approved or modified by the Construction Manager/Landfill Engineer. • Observe the panel surface as it is deployed and record all panel defects --.and disposition of the defects. All repairs are to be made in accordance with the Specifications. • Observe that the equipment used does not damage the VFPE by handling, trafficking, leakage of hydrocarbons, or by other means. • Observe that the surface beneath the VFPE has not deteriorated since previous acceptance. • Observe that there are no stones, construction debris, or other items beneath the VFPE, which could cause damage. • Observe that the VFPE is not dragged across an unprepared surface. If the VFPE is dragged across an unprepared surface, it shall be inspected for scratches and repaired or rejected, if necessary. • Observe that the method used to unroll the panels does not cause scratches or crimps in the VFPE and does not damage the supporting soil surface. -21- CA2001-048TINAL COVER_CQA.DOC\08/20/01 Geologic Associates