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Griffin Really SA. Inc.-Geotechnical Investigation <br />Law/Crandall Project 70131-7-0261.0001 <br />July 8. 1997 <br />• Observe the clearing and grubbing operations for proper removal of all <br />unsuitable materials. <br />• Observe the exposed subgrade in areas to receive fill and in areas where <br />excavation has resulted in the desired finished subgrade. The representative <br />should also observe proofrolling and delineation of areas requiring <br />overexcavation. <br />• Evaluate the suitability of on-site and import soils for fill placement; collect <br />and submit soil samples for required or recommended laboratory testing <br />where necessary. <br />• Observe the fill and backfill for uniformity during placement. <br />• Test backfill for field density and compaction to determine the percentage of <br />compaction achieved during backfill placement. <br />• Observe the drilling and pouring of the piles to verify that the desired <br />diameter and depth are obtained. <br />• Observe and probe foundation materials to confirm that suitable bearing <br />materials are present at the design foundation depths. <br />The governmental agencies having jurisdiction over the project should be notified prior to <br />commencement of grading so that the necessary grading permits can be obtained and arrangements <br />can be made for required inspection(s). The contractor should be familiar with the inspection <br />requirements ofthe reviewing agencies. <br />7.0 BASIS FOR RECOMMENDATIONS <br />The recommendations provided in this report are based upon our understanding of the described <br />project in formation and on our interpretation of the data collected during our current and previous <br />subsurface explorations. We have made our recommendations based upon experience with similar <br />subsurface conditions under similar loading conditions. The recommendations apply to the <br />specific project discussed in this report; therefore, any change in the structure configuration, loads, <br />location, or the site grades should be provided to us so that we can review our conclusions and <br />recommendations and make any necessary modifications. <br />18