Details: 16.78 construction of granular sub-base by providing close graded material conforming to specifications, mixing in a mechanical mix plant at omc, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of engineer-in-charge.16.78.1 with material conforming to grade-i (size range 75 mm to 0.075 mm) having cbr value-30. providing and applying tack coat bitumen vg-10 using emulsion pressure distributor at the rate of 0.3 kg per sqm on the prepared bituminous/granular surfacecleaned with mechanical broom. providing and laying dense graded bituminous macadam with 100-120 tph batch type hmp producing an average output of 75 tonnes per hous using crushed sggregates of specified grading, premixed with bituminous binder vg-30 @ 4.25 percent by weight of total mix and fi
Sector: Urban Authority