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• <br /> MOMS <br /> project NO. 90161.e <br /> 7 June 1990 <br /> 4.12 Should import material be required, it must be approved by <br /> the Geotechnical Engineer prior to transporting it to the project <br /> and it must meet the following requirements: <br /> 1. Plasticity index not to exceed 12. <br /> 2. u1er-value not less than 25. <br /> 3. Should not contain rocks larger than 6 inches in maximum <br /> e-= <br /> size. <br /> 4. Not more than 15% passing the no. 200 sieve. <br /> > import material meeting the above requirements should be <br /> compacted to 9o% of the maximum dry density as determined by :ASTM <br /> Test Method D1557-78. <br /> material <br /> ,_4 5,1 Placin s read in and com actin fill <br /> 5.11 The till materials shall be placed in uniform lifts of not <br /> more than 5 inches in uneompacted thickness. Each layer shall be <br /> spread evenly and shall be thoroughly blade mixed during the <br /> spreading to achieve uniformity of material in each layer. <br /> ill shall be brought to a water <br /> Before compaction begins, the f <br /> - either 1} aerating <br /> content that will permit proper compaction by <br /> - saturated; or 2} spraying the material with <br /> the material if it is <br /> water if it is dry. <br /> ---- - -- - <br /> laced, mixed and spread evenly, <br /> --_ 5.3.2 -After-each layer--has been <br /> placed,- - -- - -- ------- -- <br /> actionat a <br /> it shall be compacted to at least 94% relative comp ' <br /> mfor low to non-expansive soils <br /> moisture content above optimum . <br /> 25 <br />