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5. Removing the seam and replacing with a strip of new material. D. In addition, satisfy the following procedures: 1. Abrade geomembrane surfaces to be repaired (extrusion welds only) no more than one (1) hour prior to the repair. 2. Clean and dry all surfaces at the time of repair. 3. The repair procedures, materials, and techniques must be accepted in advance of the specific repair by the QA/QC CONSULTANT and the GEOSYNTHETICS CONTRACTOR. 4. Extend patches or caps at least 6 inches beyond the edge of the defect, and round all corners of material to be patched and the patches to a radius of at least 3 inches. 5. Unless otherwise instructed by the OWNER, cut geomembrane below large caps to avoid water or gas collection between the sheets. E. Verification of repair: 1. Number and log each repair. 2. Non-destructively test each repair using methods specified in Article 3.4 of this Section. 3. Destructive tests may be required at the discretion of the QA/QC CONSULTANT. 4. Reconstruct repairs until tests indicate passing results. 3.6 GEOMEMBRANE ACCEPTANCE A. The GEOSYNTHETICS CONTRACTOR retains all ownership and responsibility for the geomembrane until acceptance by the OWNER. B. OWNER will accept geomembrane installation when: 1. All required documentation from the manufacturer, fabricator, and installer has been received and accepted. 2. The installation is finished. 3. Test reports verifying completion of all field seams and repairs, including associated testing, is in accord with the Section. 4. Written certification documents and drawings have been received by the QA/QC CONSULTANT and the OWNER. PART 4 MEASUREMENT AND PAYMENT (Refer to Section 01200, MEASUREMENT AND PAYMENT PROCEDURES) I_ a2163SZTGWGI61 Forward Landfill WMU FU -14 HIGH DENSITY POLYETHYLENE 02778 21 (HDPE) GEOMEMBRANE U •