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3.5 ZONE 2 FILL <br /> Zone 2 fill is defined as the fill material comprising the outer shell of the dam <br /> embankment. <br /> 4 APPLICABLE STANDARDS <br /> 4.1 AMERICAN SOCIETY FOR TESTING MATERIALS (ASTM) <br /> ASTM C 33 Concrete Aggregates. <br /> ASTM C 88 Test Method for Soundness of Aggregates by Use of Sodium <br /> Sulfate or Magnesium Sulfate. <br /> ASTM C 127 Test Method for Specific Gravity and Absorption of Coarse <br /> Aggregates. <br /> ASTM D 422 Grain Size Analysis of Soils. <br /> ASTM D 425 Test Method for Centrifuge Moisture Equivalent of Soils. <br /> ASTM D 698 Moisture Density Relation of Soils, 5.5 Pound Hammer and <br /> twelve-inch (12") Drop. <br /> ASTM D 1556 Density of Soil in Place by Sand Cone Method. <br /> ASTM D 2167 Test Method for Density and Unit Weight of Soil In-Place by <br /> the Rubber Balloon Method. <br /> ASTM D 2216 Laboratory Determination of Water (Moisture) Content of <br /> Soil, Rock and Soil Aggregate Mixtures. <br /> ASTM D 2487 Classification of Soils for Engineering Purposes. <br /> ASTM D 2922 Standard Method of Test for Density of Soil and Soil- <br /> Aggregate in Place by Nuclear Density Methods (Shallow <br /> Depth). <br /> ASTM D 3017 Standard Method of Test for Moisture Content of Soil and <br /> Soil-Aggregate in Place by Nuclear Density Methods (Shal- <br /> low Depth). <br /> ASTM D 4318 Test Method for Liquid Limit, Plastic Limit, and Plasticity <br /> Index of Soils. <br /> ASTM D 4253 Test Methods for Maximum Index Density of Soils Using a <br /> Vibratory Table. <br /> SPEC.A- EARTHWORK <br /> PAGE 2 <br />