<p>S&amp;C(SB): Labour for mixing, spreading &amp; compacting of Sub-base consisting of sand and crusher run aggregate made of well burnt picked 1st class bricks or stone having compacted thickness as per specifications including local handling, hand packing, watering, dry rolling followed by wet rolling in layers of specified loose thickness with 8-10 tonne road roller to achieve Design soaked CBR but not less than 30% at a degree of compaction to minimum 98% (Modified Proctor) etc. all complete as per direction of the Engineering-in- charge. Thickness of each layer should not be more than 100mm loose and Payment will be made on compacted thickness. (The rate excludes the cost of sand, brick/stone aggregates)</p>