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Project No. 90161.e <br /> 7 June 1990 <br /> 3,14 The final stripping and excavation shall be approved by the <br /> '- Geotechnical Engineer during construction before further grading <br /> is started. <br /> 3.15 After the site has been cleared, stripped and scarified, it <br /> t shall be disced or bladed until it is uniform and free from large <br /> ive subgrade soils to receive fill shall <br /> clods. The exposed nat <br /> be compacted to the requirements of engineered fill. Fill can <br /> then be placed to provide the desired finished grades. The <br /> ;-� <br /> �. contractor shall obtain the Geotechnical Engineers approval of <br /> subgrade compaction before any fill is placed. cut areas to <br /> i <br /> receive structures shall also be scarified, moisture conditioned <br /> and compacted. ; <br /> 1.r <br /> Materials used for fills <br /> 4.11 Materials used for fill shall be approved by the <br /> Geotechnical Engineer. The material shall be a soil or soil-rock <br /> mixture which is free from or matter or other dele.terious <br /> material within 3 feet of finished grade <br /> substances. The fill <br /> shall notcontain rocks or lumps over 6 inches in greatest <br /> dimensions and not more than 15% larger than 2 1/2 inches. <br /> - Materials from the site are suitable for use in fills. The <br /> Geotechnical Engineer shall determine the suitability of <br /> materials for use as engineered fill. Rocks greater than 6 <br /> fills so that they are not nested <br /> inches shall be placed in deep <br /> and so that compaction may be achieved around-t em <br /> 24 <br />