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ameco <br />Earth & Environmental <br />CQA ACTIVITIES: <br />SUMMARY: <br />The CQA activities performed consisted of observing, documenting and recording the construction <br />activities of the contractor. Field observations within the northwest portion of Phase 5 VLF included <br />stripping of all frozen and unsuitable materials and placement of structural fill using the method <br />specification as outlined in the Project Documents. Fill placement during the week was intermittent due <br />to the LOB Delivery Road work being the major activity. <br />SLF processing located at SGOSA Dump 5 has not operated all week. A new screening plant is due to <br />arrive sometime next week. <br />The materials screening plant located at AGOSA has not been in production all week. <br />Work has continued on the 9775 bench widening for the relocation of the existing solution piping. This <br />work is advancing to the north and appears to be on or ahead of schedule. <br />Testing Summary <br />Laboratory testing continues (Gradations, Atterberg Limit, and Moisture-Density Relationships) for <br />previously sampled materials, throughout the shift. Permeability testing continues at an off-site <br />laboratory. <br />Two samples of Granular Filter Material have been completed (GFM-3 & 4) and show results as failing. <br />AMES is in the process of making adjustments to the screening plant. The samples will be re-tested. <br />GENERAL PROJECT ITEMS <br />Summary of Concerns: <br />No Concerns <br />Summary of Non-conformances: <br />None Issued <br />Summary of Meetings and Discussions: <br />CC& V.• <br />CC&V held a Weekly Contractors' meeting on March 17, 2009. Items discussed included Safety, <br />Environmental, Schedule, QC documentation, and CQA. <br />Ames Construction: <br />Daily safety meetings are performed prior to each shift. These have been used to discuss work areas, <br />procedures, testing requirements, etc with the Ames supervisors and equipment operators. <br />AMEC and Ames have discussions during the week with emphasis on procedures for fill placement and <br />oversize rock. <br />Sheet 4 of 8 VLF Weekly Report WE 03.21.09.13