Details: construction of granular sub-base by providing close graded material conformingto specifications, mixing in a mechanical mix plant at omc, carriage of mixedmaterial by tippers to work site, for all leads & lifts, spreading in uniform layers ofspecified thickness with motor grader on prepared surface and compacting withvibratory power roller to achieve the desired density, complete as perspecifications and directions of engineer-in-charge. with material conforming to grade-ii (size range 53 mm to 0.075 mm ) having cbr value-26 providing, laying, spreading and compacting graded stone aggregate (size range53 mm to 0.075 mm ) to wet mix macadam (wmm) specification includingpremixing the material with water at omc in for all leads & lifts, laying in uniformlayers with mechanical paverfinisher in sub- base / base course on well preparedsurface and compacting with vibratory roller of 8 to 10 tonne capacity toachievethe desired density, complete as per specifications and directions ofengineer-
Sector: PWD