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Location <br />This Week <br />(tons) <br />Cumulative <br />(tons) <br />Comments <br />DCF Process <br />11,688. <br />256,168 <br />Total <br />11,688 <br />256,168 <br />E) Leak Detection Trench <br />1) VLF <br />No work performed during the week. <br />ame <br />2) Drain Cover Fill (DCF) <br />Drain cover fill (DCF) placement within the Phase 5 VLF continued. DCF was placed in the <br />areas shown on Figure 5. The DCF was hauled from the processing area to the placement area <br />using 40 -ton articulating haul trucks. The DCF was placed in a 2 -foot lift using various CAT <br />dozers except where haul routes were established. Haul route consisted of five -foot lifts to be <br />spread into 2 -foot lifts later. Laborers were present at all times during placement holding the <br />high volume collection piping in place, removing debris /sandbags, and assisting the dozer <br />operator with lift thickness. All DCF was placed on previously approved primary <br />geomembrane. AMEC field representatives monitored the DCF placement constantly. <br />II) Storm Water Management <br />A) Best Management Practices <br />Best Management Practices are being observed throughout the Phase 5 VLF Project. <br />III) Material Processing <br />A) Drain Cover Fill Process Area <br />Processing of Drain Cover Fill (DCF) continued at the DCF process area using a dozer. <br />B) Geomembrane Exposure <br />1) VLF <br />No work performed during the week. <br />IV) VLF Geosynthetics <br />A) Geomembrane Installation <br />1) VLF <br />Leak Location Services, Inc. performed an electronic leak detection survey and found the <br />previously noted damage. The geomembrane was exposed using a John Deere 35D excavator <br />and laborers. The torn piece of geomembrane was matched to the hole and it was determined <br />that the hole was the correct shape and size. After exposure, a patch was used to repair the <br />hole. <br />Geomembrane installation progress has slowed due to saturated work areas. Previous <br />geomembrane installation is shown on Figure 3. <br />During the Cresson blasts, an AMEC field representative observed the geomembrane and no <br />damage was found. <br />VLF Weekly Report WE 08.06.2011 <br />