Details: preparation and consolidation of sub grade, dressing to camber and consolidating with road roller 8 (eight) to 10 (ten) tonne capacity including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth with any lead as per cpwd specifications 2019 complete and direction of engineer-in- charge including carriage of materials/machinery required to execute the work in all leads and lifts and other incidentials.the rate includes octroi , royality , malkhana , toll tax, goods service tax , labour cess or other taxes imposed by the govt. construction of gravel/soil aggregate sub base/base by providing well graded material of nominal maximum size grading 80mm (eighty millimetre) as per table 2.3 of irc sp 77-2008, spreading in uniforms layers with tractor mount appropriate grading arrangements on prepared surface, mixing by mix in place method at omc with tractor mount appropriate rotavator attachement and compaction with three wheel 80-100 kn static