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3.06 PLACING AND COMPACTING <br /> A. Cutoff Trench and Compacted Embankment Fill <br /> The earthfill material shall be placed in the embankment in continuous and approximately <br /> horizontal layers,not more than 9"loose lift thickness. The combined excavation and placing <br /> operations shall be such that the materials will be sufficiently blended to secure the best <br /> practicable degree of compaction and stability. To achieve sufficient blending,a disc,plow,tilted <br /> blade,or other method approved by the Design Engineer will be required during placement of any <br /> embankment fill. <br /> The material shall be compacted to a minimum of 95%of the Standard Proctor as described in <br /> ASTM D698. The method of compaction shall be submitted to the Design Engineer for approval. <br /> Equipment for compacting and zone IA, 1B,and 2 shall be capable of effectively achieving the <br /> required density for the entire depth of the lift being placed as well as providing a suitable bonding <br /> surface between lifts. <br /> When each layer of material has been conditioned to have the specified moisture,it shall be <br /> compacted with a vibrating sheepsfoot roller. The compacted density shall be essentially uniform <br /> throughout the layer. <br /> C. Upstream Slope Liner Face <br /> The upstream slope liner face shall be cut to the lines and grades shown on the detail drawings. <br /> After the upstream embankment is brought to final grade,the slope shall be compacted and <br /> finished by"tracking"a D-9 Caterpillar(or approved equal)bulldozer up and down the slope. <br /> END OF SECTION <br /> Section 02290-Page 6 of 6 6/10 <br />