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amec-40 <br />Earth & Environmental <br />D) Overburden to Stockpile <br />1) VLF <br />Oversize rock within the Phase 5 VLF fill area was removed from fill/cut areas and hauled to <br />the overburden stockpile area east of the east perimeter road near stations A29+00 (+/-) to <br />A32+00 (+/-) right of centerline. <br />E) Cut to Fill <br />1) VLF <br />A CAT 385 excavator was used to excavate structural fill material from between stations <br />E20+00 (+/-) and E22+00 (+/-), approximately 75 to 150 feet right of centerline and between <br />stations J2+00 (+/-) and J10+00 (+/-), approximately 75 to 200 feet left of centerline. The <br />structural fill material was loaded into CAT 777 haul trucks with assistance from various CAT <br />dozers. <br />Structural fill was between stations A54+00 (+/-) and A58+00 (+/-), approximately 0 to 100 <br />left of centerline and between stations between stations C2+00 (+/-) and C7+50 (+/-), <br />approximately 30 feet left of centerline to 30 feet right of centerline. Structural fill was placed <br />in 18" to 24" lifts using various CAT dozes. Each lift was moisture conditioned using a CAT <br />773 water truck (when necessary) and compacted using a 10-ton vibratory smooth drum <br />compactor, passing over the entire fill surface at least 4 times (method compaction technique <br />was applicable). <br />Blast pattern drilling and blasting are complete for the Phase 5 VLF. <br />F) Soil Liner Fill <br />1) VLF <br />Soil liner fill (SLF) placement continued in the areas shown in Figure 3, hauling from the East <br />Cresson Clay borrow. Subgrade was approved and moisturized prior to placement using a <br />tandem-axel water truck. Placement was performed using two CAT D-6 dozers, and one CAT <br />skid steer loader in a one-foot compacted lift. Moisture conditioning was performed using a <br />tandem-axel water truck and compaction was performed using a 10-ton vibratory smooth drum <br />compactor. Nuclear density testing, moisture verification, and depth checks were performed in <br />the geomembrane deployment areas throughout the week. All test results were within project <br />specifications and all test locations were surveyed by Ames. <br />G) PSSA Ore Slope Construction <br />1) VLF <br />Construction of the remaining portion of the PSSA ore slope continued between stations <br />G13+00 (+/-) and G28+00 (+/-), approximately 0 to 225 feet left of centerline using a CAT D- <br />6 LGP dozer and a CAT 279 skid steer loader. Existing ore was pushed over the previously <br />certified secondary geomembrane, constructing the toe of the slope (if applicable). Geotextile <br />was placed over any geomembrane within three feet of the slope toe. A 10-ton smooth drum <br />roller was used to compact the surface of the ore slope 2' or more above the geomembrane and <br />a plate compactor was used to compact the remaining portion of the slope. <br />VLF Weekly Report WE 06.26.10.D