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amec'G <br />Earth & Environmental <br />H) Material Processing <br />1) East Cresson Clay Borrow Area <br />Processing of SLF material continued this week. A CAT 320 excavator, a CAT 330 excavator, <br />a CAT 950 front-end loader, and tandem-axel haul trucks were used to excavate, haul, and <br />process the material. <br />Location This Week <br />tons Cumulative <br />tons Comments <br />E Cresson Clay Processing 11,280 184,643 <br />S Cresson Clay Processing 0 201,199 Processing in area complete, <br />Squaw Gulch Processing 0 35,816 Processing in area complete. <br />Total 11,280 417,047 <br />1) Miscellaneous <br />No work was performed during the week. <br />111) Storm Water Management Structures <br />A) Control Structures <br />No work was performed during the week. <br />B) Best Management Practices <br />Best Management Practices are being observed throughout the Phase 5 VLF Project. Storm water <br />controls were maintained throughout the week. Precipitation was not substantial throughout the <br />week. Storm water controls are being observed in the East Cresson Clay Borrow. <br />IV)VLF Geosynthetics <br />A) Geomembrane Installation <br />1) VLF <br />Geomembrane installation within the Phase 5 VLF continued throughout the week, performing <br />deployment, seaming, and repair/QC activities. Geomembrane installation was performed in <br />the area shown on Figures 4a and 4b. Approximately 191,433 square feet of 100mil LLDPE <br />geomembrane was deployed using a John Deere 200 excavator and a John Deere 544 front-end <br />loader with spreader-bar attachments. Subgrade was inspected and approved by AMEC and <br />Lonestar representatives prior to geomembrane deployment (see Figures 4a and 4b). <br />Approximately 10,398 linear feet of seam was fusion welded during deployment using up to <br />three fusion welding machine. Twenty destructive test samples were marked during fusion <br />seaming. Approximately 1,091 linear feet of seam was extrusion welded during using up to <br />two extrusion welding machines. Four destructive test samples were marked during extrusion <br />seaming. All destructive sample test results met project specifications. Non-destructive testing <br />was performed for all fusion welded seams. Repairs were performed using the extrusion <br />welding method for all marked defects. Vacuum testing was performed for all extrusion <br />welded seams and repairs. <br />VLF Weekly Report WE 07.17.10.D