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�a <br />General Proiect Items <br />Meetings and Discussions: A meeting was held between CC &V and Amec on Wednesday the 24 «. Discussions referenced <br />the unsuitable materials within the limits of the PSSA. It was determined that a test pad would be constructed placing 1 foot <br />of unsuitable material, followed by 2 feet of rock fill over the top. <br />On Wednesday at approximately 1500hrs the contractor began placing extremely oversaturated materials in a 1 foot lift and <br />then covered with 2 feet of Rock fill. At approximately 1700 hrs an Amec field representative rejected this lift due to extreme <br />deflection in the rock fill. It was then determined that another 2 foot lift be placed during night shift and further inspection of <br />the area would be performed Thursday the 25", during the a.m. hours. <br />On Thursday the 2511 at approximately 0800hrs, An Amec field representative observed slight deflection on the lift 4 feet <br />above the oversaturated materials and it was then determined it would take between 5 and 6 feet of rock fill to bridge the 1 <br />foot of oversaturated materials. <br />Amec recommended that the oversaturated materials not be placed in the fill unless proper drying of the materials were <br />performed. CC &V Projects determined that the materials, as excavated should be hauled to a designated stockpile and not <br />placed within the structural fill at this time. <br />Summary of Concerns: Unsuitable Materials encountered within the PSSA limits are a concern. <br />CC& v: Working with CC &V Daily updates and reporting. A weekly Project Status meeting was held at 10:00am on April 23rd <br />between CC &V, CDOT, Ames and Amec. Topics discussed were Safety, Schedule, Project Issues, concerns and planning. <br />Miscellaneous: None <br />Deliveries: None <br />CQA Monitor <br />Submitted by: <br />Thorne M Clark <br />Amec Project Resident <br />Ph: 970.846.9337 <br />Approved By: <br />ATTACHMENT A <br />Date:,: = 3- 2,^13 <br />Page 3 of 6 MLE2 WE 04.27.13.doc <br />