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amec-0 <br />Earth & Environmental <br />III) 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 in Figure 4. Approximately 109,231 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 Figure 4). Approximately <br />5,743 linear feet of seam was fusion welded during deployment using up to three fusion <br />welding machines. Nineteen destructive test samples were marked during seaming. All <br />destructive sample test results met project specifications. Non-destructive testing was <br />performed for all fusion welded seams. Repairs were performed using the extrusion welding <br />method for all marked defects. Vacuum testing was performed for all extrusion welded seams <br />and repairs. <br />B) Geomembrane Acceptance <br />1) VLF <br />Panels 5357 through 5366 and 5390 through S422 (secondary- 100mil) were inspected by <br />AMEC and Lonestar representatives, accepting the area shown in Figure 5. <br />C) Geomembrane Delivery <br />1) VLF <br />One load (12 rolls each) of 100mi1 smooth geomembrane was delivered to site during the week <br />for a total of 12 rolls. The load was delivered on a flat bed truck in good condition. The rolls <br />were unloaded using a CAT 966 front-end loader with forks attached. The geomembrane was <br />placed on three pieces of 4" HDPE pipe, staked two rolls high. An AMEC field representative <br />was present at all times during unloading of the geomembrane. The AMEC representative also <br />inventoried the geomembrane, as it was unloaded. <br />D) Anchor Trench <br />1) VLF <br />Excavation of the anchor trench between stations G18+00 (+/-) and G23+00 (+/-) continued <br />using a John Deere 35D excavator with assistance from laborers. The anchor trench was <br />inspected by an AMEC filed representative and was found to be constructed according to <br />design drawings and project specifications. <br />VLF Weekly Report WE 06.26.10.D