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2011-08-26_REPORT - M1980244 (28)
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2011-08-26_REPORT - M1980244 (28)
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Last modified
8/24/2016 4:42:42 PM
Creation date
2/27/2014 9:38:09 AM
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Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
Report
Doc Date
8/26/2011
Doc Name
Final Report QA 2011 Phase 5 VLF Ore Storage Aug 26, 2011 vol 1 of 3
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Media Type
D
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ameO <br />tests on fusion welds on both the inner and outer tracks of each peel coupon. Lone Star <br />tested each extrusion trial seam twice for peel and once for shear. <br />AMEC personnel observed the testing of trial seam samples and documented test results. <br />AMEC observed the tensile testing of each trial seam coupon to verify that project yield <br />strengths were met during shear testing and that failure did not occur in the weld during peel <br />testing. When trial seams did not meet specifications, AMEC verified that the welding <br />apparatus was not used until two consecutive trial seams performed by the same <br />technician /apparatus combination met specifications. The trial seam test results for <br />extrusion and fusion seaming are presented in Appendix J -2. Lone Star used one <br />tensiometer during the project. Tensiometer certifications are presented in Appendix L. <br />Figures 3 and 4 show the codes used to designate passing and failing test results. <br />6.3.2 Seaming Observations <br />AMEC personnel observed seams before, during and after welding. AMEC checked each <br />seam for adequate overlap prior to seaming and to verify that the seam area was clean and <br />dry. <br />AMEC documented Lone Star personnel performing the seaming and the seaming <br />equipment used. Following the completion of seaming and routine repairs, AMEC checked <br />the full length of each seam to verify that no additional repairs were required. In the event <br />that additional repairs were needed, AMEC marked the location requiring repair on the <br />geomembrane, documented the location, and brought the repair area to the attention of <br />Lone Star. Once Lone Star made repairs, AMEC checked the repair location to verify <br />completion. AMEC inspected all seams for quality and completion. AMEC personnel <br />conducted a final walk- through to verify completion of the entire geomembrane system and <br />to identify any additional damage that may have occurred during construction operations. <br />AMEC recorded observations made during seaming. For the 2011 Phase 5 VLF OSA 2nd <br />Portion primary geomembrane layer, the fusion and extrusion welding were to project <br />specifications and a summary is presented in Appendix J -3. <br />AMEC Earth & Environmental, Inc. <br />2000 S Colorado Blvd 2 -1000 <br />Denver, CO 80222 <br />Tel 303 - 935 -6505 <br />Fax 303 - 935 -6575 www.amec com <br />31 <br />
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