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I M1 <br />Note; The contractor set up ground thaw heaters and applied blankets to help with the freezing <br />temperatures thru the week. An Amec Field representative monitored wall backfill temperatures <br />during construction. <br />Fill temperatures averaged between 17 °F and 43 °F <br />Wall #2 <br />Completed during day shift on Friday December 12.07.12 at approximately 1200 hrs. <br />Wall #3 <br />No work was performed on MSE wall #3. <br />Wall #4 <br />Completed during night shift on November 29/30tn <br />CQA ACTIVITIES: <br />SUMMARY: <br />The CQA activities performed consisted of observing, documenting and recording the construction <br />activities of the contractor. <br />AMEC observed DCF placement within the Mill Site Earthworks project, including ambient and fill <br />temperature monitoring when necessary. <br />AMEC observed overburden fill placement for the Mill Site Earthworks project, including ambient and fill <br />temperature monitoring when necessary. <br />AMEC observed construction of MSE Wall No. 1. <br />Testing Summary <br />Laboratory testing continued (Particle Size Distribution, Atterberg Limits, Moisture - Density Relations, <br />Specific Gravity, Permeability, and Point Load testing) for sampled materials. <br />Samples Obtained <br />DCF — 1 <br />SLF-0 <br />OVF -2 <br />MWB -2 <br />MWDR — 0 <br />Testing Performed <br />SLF Moisture /Density — 0 <br />SLF Depth Checks — 0 <br />MSE Moisture /Density — 14 <br />MEW Weekly Report WE 12.22.2012.docx <br />