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Class (2 Fill)

 

  Class (2 Fill)

Class 2 fill is normally employed as a road sub-base material and shall be good, hard well-graded material, screened and crushed as necessary to lie within the grading envelope given below when tested. The CBR of the material when tested at the density likely to exist in the field shall not be less than 30%. The liquid limit shall not be more than 25% and the plasticity index shall not exceed 6% when tested. The total soluble salts shall not exceed 2%.