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0 amec19 <br />• 100-mil smooth LLDPE geomembrane panels S-88 through S-95, S-288 <br />through S-329, S-367 through S-418, and S-423 through S-454 as part of <br />the secondary liner (approximately 256,752 square feet); <br />• 100-mil single-sided textured LLDPE geomembrane (textured side down) <br />panels P-319 through P-337, P-377 through P-392, P-461 through P-477, <br />P-484 through P-485, P-496 through P-497, P-563, P-570, P-573, P-585, <br />and P-637 through P-640 as part of the primary liner (approximately <br />113,367 square feet); <br />• 100-mil double-sided textured LLDPE geomembrane panels P-314 <br />through P-318 and P-339 as part of the primary liner (approximately <br />13,895 square feet); and <br />• 100-mil smooth LLDPE geomembrane panels P-1 through P-313, P-338, <br />P-340 through P-376, P-393 through P-460, P-478 through P-483, P-486, <br />P-489 through P-495, P-498 through P-562, P-564 through P-569, P-571 <br />through P-572, P-574 through P-584, P-586 through P-636, and P-641 <br />through P-696 as part of the primary liner (approximately 1,500,723 <br />square feet). <br />Geomembrane was placed on compacted and approved SLF, LVSCF, or Phase IVa and <br />Phase IVb ore as part of the Phase 5 PSSA. Record Drawing No. 4 in Appendix A presents <br />the 2010 Phase 5 VLF geomembrane panel layout for the secondary geomembrane layer. <br />Record Drawing No. 5 in Appendix A presents the 2010 Phase VLF geomembrane panel <br />layout for the primary geomembrane layer. Ames anchored geomembrane at the limits of <br />the Phase 5 PSSA in an anchor trench a minimum of 3 feet deep by 1 foot wide. The <br />100-mil LLDPE geomembrane tie-in panels overlapped the Phase Iva and Phase IVb <br />geomembrane panels a minimum of 3 feet and were extrusion welded, as shown in IFC <br />Drawing A250. <br />3.5 Underground Workings Geogrid <br />A summary of underground working remediation for the Phase 5 VLF is presented in <br />Table 4. Additional remediation details are presented in Section 4.2.1. <br />• <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 />23