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i;.,. <br />Phase IVb Weekly Summary No. IS Pale 3 003-2203 <br />Golder observed placement of SSF, and geogrid for underground working remediaion. These materials <br />were placed in accordance with the drawings and specifications. <br />Golder observed construction of anchor trench in Phase IVb PSSA for trench dimensions, slope, and <br />materials used between the geomembrane anchor trenches. <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 Phase IVb met specifications. <br />Golder inspected the SLF surface finish beneath geomembrane pane] L513 and L436. The SLF <br />surface finish beneath these panels were approved and geomembrane repaired on April 17. <br />Laboratory Tests <br />Golder did not obtain any QA samples or perform any laboratory testing during this reporting period. <br />Meetings <br />CC&V held a Weekly Contractors meetings on April 15. Items discussed included Safety, <br />Environmental, Schedule, and CQA. The next weekly meeting will be held on April 22, 2003 at <br />10:00 AM. <br />CC&V held apre-construction meeting with Ames, Polyflex, and Golder present on April 15, 2003. <br />Issues discussed included schedule, equipment, environmental, QC and QA. <br />Golder Persormel 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 />Resident CQA Monitor <br />rnsse~wunn~~s-npas, zoo;.aoc Golder Associates lnC, <br />