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<br />;. <br />Phase Nb Weekly Summary No. 32 Page 2 -' 003-2203 - - - <br />Ames hauled, placed, and compacted Soil Liner Fill (SLF} material into the Phase IVb OSA on the east <br />slope of Chicken Hawk Hill (west of the PSSA) and in the repair area below the LOB. SLF material <br />was worked, tested, and passed per project specifications prior to SLF surface acceptance and <br />geomembrane deployment. Ames continued to maintain the finished surface by moisture conditioning <br />and re-compacting exposed SLF areas. <br />Ames removed Drain Cover Fill (DCF) from the Phase IVb north LOB area in preparation of <br />geomembrane liner fie-in <br />Ames continued production of DCF at the screen plant located near the Secondary Crusher. Ames also <br />resumed limited production of SLF. <br />Poly-Flex continued deployment of 80-mil single-sided textured LLDPE geomembrane in the Phase <br />P/b OSA on the east-facing slope of Chicken Hawk Hill. Poly-Flex deployed 80-mil single-sided <br />textured LLDPE geomembrane over an area of approximately 281,644 square feet in the Phase IVb <br />OSA during this reporting period. Geomembrane panels B-829 through B-948 were deployed, seamed, <br />and tested by Poly-Flex. Destructive fusion and extrusion seam samples DFb-240 through DFb-272 <br />and DXb-47 were marked and a portion were removed. The results of testing on destructive fusion and <br />extrusion samples DFb-257, DFb-258, and DXb-47 passed per project specification. Outstanding <br />destructive fusion seam saniples will be tested during the following reporting period. <br />A map of the area worked during this reporting period is provided in Attachment C. <br />Phase IVc <br />Ames resumed contouring and compaction of subgrade Structural FiIl (SF} in preparation for Soil Liner <br />Fill (SLF) placement in the Phase IVc OSA scheduled for next construction season. <br />Ames excavated and constructed the geogrid Iayout at underground working UG-304, placing Select <br />Structural Fill (SSF} and geogrid, as part of the underground working remediation. <br />ADR Liner Expansion <br />Ames excavated, and re-routed the ADR and CC&V Lab water main and gas lines within the ADR <br />Liner Expansion area. Ames cut and extended the water and gas utilities with the assistance of CC&V. <br />Ames placed bedding fill material above Lhe lines in ±he trench and backfilled the excavated area with <br />SF material to finish grade. <br />Ames hauled, placod, and compacted SLF material into the ADR Liner Expansion area east of the <br />CC&V lab. <br />Ames continued to remove DCF in areas north and northwest of the CC&V lab in the ADR liner <br />expansion area in preparation for geomembrane deployment. <br />rnaz~~w;asePO~taia-syr~no,ztmo; GolderASSOCiateslnc. <br />