COMPLIANCE INFO_FINAL WMU FU-23 DESIGN RPT & CONCURRENCE LTRS

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Page 38 4.4.3 Geocomposite Drainage Net Installation Surface Preparation. Before geocomposite installation, the QA/QC Inspector will: • Verify that all lines and grades have been verified by the Earthwork Contractor. • Verify that the underlying geomembrane has been prepared in accordance with the specifications, and that all associated documentation has been completed. • Verify that soil or geomembrane surfaces do not contain protrusions that could damage the geocomposite. • Verify that there are no excessively soft areas that could damage the geocomposite. • All construction stakes have been removed. • Verify that all aspects of surface preparation have been performed according to the specifications. Geocomposite Placement and Seaming. During geocomposite placement the QA/QC Inspector will: • Observe the geocomposite as it is deployed and record all defects and defect corrective actions (panel rejected, patch installed, etc.). Verify that corrective actions are performed in accordance with the specifications. • Verify that equipment used does no damaged the geocomposite by handling, equipment transit, leakage of hydrocarbons, or other means. • Verify that crews working on the geocomposite do not smoke, wear shoes that could damage the geocomposite, or engage in activities that could damage the geocomposite. • Verify that the geonet side of the geocomposite is placed against the smooth side of the geomembrane. • Verify that the geocomposite is securely anchored to prevent movement by the wind. • Verify that adjacent panels are overlapped and seamed in accordance with the Specifications. • Examine the geocomposite after installation to ensure that no potentially harmful foreign objects are present. The QA/QC Inspector must inform both the QA/QC Manager and the Geosynthetics Contractor if