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r1 <br />U <br />• <br />• <br />Phase IVb Weekly Summary No. 18 Page 4 <br />003-2203 <br />Golder observed placement of SLF in the Phase IVb OSA for subgrade preparation, thickness, <br />compaction, moisture content, and materials. SLF was placed in accordance with the specifications. <br />Golder observed geomembrane deployment, documenting ambient air temperature, panel <br />dimensions, thickness, seaming, tie-in overlap, and seam testing (trial seams, pressure, vacuum, and <br />destructive). Geomembrane placed in the Phase IVb PSSA met the project specifications. <br />Laboratory Tests <br />Golder obtained QA samples of Drain Cover Fill (DCFb-04) and performed index testing to verify <br />suitability of materials used. The laboratory tests performed met the requirements of the <br />specifications and results ace presented in Attachment B. <br />Meetinus <br />CC&V held a Weekly Contractors meeting on May 20. Items discussed included Safety, <br />Environmental, Schedule, and CQA. The next weekly meeting will be held on May 27, 2003 at <br />10:00 AM. <br />Golder Personnel On-Site <br />A summary of all Golder CQA personnel on site during this reporting period is presented in <br />Attachment A. <br />Sincerely, <br />Ron DiDonato <br />Project Resident <br />PIUU IVb 18 b1ayi8-Nay?J 200i(1)dm Golder AssOCiates lnc. <br />