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amec <br />Earth & Environmental <br />Underground working 2030 (Raven upper tunnel) located within the LOB Delivery Road: The <br />underground working was exposed during site grading of the LOB Delivery road. The working <br />has been flagged with lath and survey ribbon. <br />C) Lateral/Slot Remediation <br />No work performed during shift. <br />III) Storm Water Management Structures <br />A) Best Management Practices (BMP) <br />Silt fencing has been put in place and Best Management Practices are being observed throughout <br />the LOB project. <br />B) Roadside ditch <br />Work was performed from station 16+00 (+/-) to 22+00 (+/-), 40-feet right of centerline of the <br />LOB Delivery Road.. <br />C) LOB Stormwater Culverts <br />No work performed during shift. <br />CQA ACTIVITIES: <br />SUMMARY: <br />Field Observation Summary <br />The CQA activities performed consisted of observing, documenting and recording the construction <br />activities of the contractor. <br />Underground working 2030 was originally backfilled in the cut area for safety. During final grading of the <br />LOB Delivery Road the 2030 working reappeared. The working has been flagged with lath and survey <br />ribbon. <br />Underground workings 2036 and 2040 located in Transfer Station #5 were exposed and inspected. <br />Continued to observe fill placement on the LOB Pad and LOB Delivery Road throughout the week. <br />Fill placement and minor site grading was completed at Transfer Station #6. <br />Laboratory Testing Summary <br />Laboratory testing continues (Particle Size Distribution, Atterberg Limits, and Moisture-Density <br />Compaction testing) for sampled materials. <br />LOB Pad Structural Fill particle size distribution test was in progress. <br />GENERAL PROJECT ITEMS <br />Summary of Concerns: <br />No Concerns <br />Summary of Planning Items: <br />Unsuitable material will continue to be transported to the Joe Dandy Main Cresson backfill. <br />Sheet 3 of 8 <br />LOB Weekly Report WE 05.16.09.D.doc