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amec <br />Earth & Environmental <br />• No Activities <br />C. Best Management Practices (BMPs) <br />No Activities. Existing silt fencing structures appeared to be in good <br />condition. <br />IV. LOB Geosynthetics <br />A. LLDPE Geomembrane <br />• No Activities <br />CQA ACTIVITIES: <br />SUMMARY: <br />The CQA activities performed consisted of observing, documenting and recording the construction <br />activities of the contractor. <br />Work activities during the week observed fill placement within the LOB/Delivery Road from Station <br />34+50 to 38+00, widening of the LOB/Delivery Road areas to allow the use of 777 haul trucks has been <br />completed by Ames. <br />In the LOB Pad and Delivery Road areas, the excavation to stockpile and cut to fill was observed for <br />project compliance. As requested by AMEC, all excess oversize rock was placed outside the limits of the <br />fill or hauled to waste to Waste Dump #4. <br />Night shift work consisted of cut to fill from the LOB/Delivery Road to the fill in the VLF. Intermittent <br />SLF processing at Dump 5 due to continued mechanical problems resulted in reduced production during <br />the week. <br />No work was performed by Ames on Saturday, February 28. Currently no work activities are planned for <br />Saturdays but Ames has indicated that Saturday will be used as a make up day in the event of delay or <br />stoppage during the current planned work periods Monday to Friday. <br />I. Testing Summary <br />AMEC began processing and testing of clay and structural fill samples collected during the week. <br />This past week AMEC collected six additional clay samples from the mine stockpile and Dump 5 Clay <br />Processing Plant. A total of 11 samples of the clay have been collected for Index Testing and Proctors. <br />Testing is in progress. <br />Sample Summary <br />Description Comments <br />SLF-5-C to SLF-16-C Unprocessed and processed clay, testing <br />in-progress. <br />LOB-SF-1 Structural fill, LOB Delivery Road <br />SF-2-R VLF Structural fill, in progress <br />SF-3-R VLF Structural fill, in progress <br />Sheet 4 of 9 <br />LOB Weekly Report WE 02.27.09.D