Details: wbm grading 3 providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kn in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 3 as per technical specification clause 405. (b) by mechanical means tack coat (i) providing and applying tack coat with bitumen vg-10 using bitumen distributor at the rate of 0.30-0.40 kg per sqm on the prepared bituminous surface cleaned with hydraulic broom as per technical specification clause 503 (by departmental plant). 20mm thick open-graded premix carpet using bituminous ( grade/modified bitumen) binder providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using grade bitumen or emulsion to required li
Sector: PWD