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1 3.17 FAILED WELD PROCEDURES A. Follow these procedures when there is a destructive test failure. Follow one of the " following two options: SHAW ENV/RONMENTAL, INC. San Joaquin County — Extension of Cap Corral Hollow Sanitary Landfill — CH—Closure Cap Ext Proj_Technical Specs -4-19-12 Revl.DocRev. 0, 04/05/2012 LLDPE Geomembrane 02779-18 B. First Option. 1. Reconstruct the seam between any two passing test locations. Do not extrusion ' weld the flap. C. Second Option: 1. Trace the weld at least 10 feet minimum towards the opposite end of the seam from the location of the failed specimen. 2. Obtain specimens at this location for additional field tests. Obtain specimens as described above. 3. If this additional test specimen meets seam quality requirements, then repair the seam between passing seam specimen locations or the passing specimen location and the end of the seam. 4. If any specimen fails to meet seam quality requirements, repeat the process to establish the zone in which the seam must be repaired. D. Butt Seams: If a peel test taken from a butt seam fails, cap the entire butt seam. Obtain a peel specimen from the cap and perform peel test. If the peel test from the cap specimen fails, repeat the capping until a passing test is obtained from a specimen of the cap weld. ' E. Whenever a sample fails, perform additional trial seams for that welder and welding apparatus. ' 3.18 ACCEPTABLE WELDED SEAMS. A. The weld passes all non-destructive tests. B. The weld is bracketed by two locations from which all specimens have passed destructive tests. C. For reconstructed seams exceeding 50 feet, a specimen taken from within the reconstructed weld passes destructive testing and all non-destructive tests pass. SHAW ENV/RONMENTAL, INC. San Joaquin County — Extension of Cap Corral Hollow Sanitary Landfill — CH—Closure Cap Ext Proj_Technical Specs -4-19-12 Revl.DocRev. 0, 04/05/2012 LLDPE Geomembrane 02779-18