Details: 3)wbm grading 3 providing, laying, spreading and compacting stone aggregates of specific sizes to waterbound 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. (a)by manual 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. 20mm thick open-graded premix carpet using bituminous ( grade/modified bitumen) binderproviding, 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 line, grade and level to serve aswea
Sector: PWD