<p>Filling the road bed in the improved sub-grade with locally available sand (passing &lt;=15% through #200 sieve) free from dust, earth clod, other vegetable growth, foreign materials etc. including supplying all materials, spreading, watering, compacting by appropriate mechanical means to obtain a minimum Soaked CBR 8% or Design CBR at minimum compaction 98% of Maximum Dry Density (MDD) (Modified Proctor), etc. all complete as per direction of the E-I-C.</p>