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 ofcoarse aggregate, watering and compacting to the required density grading 3 as per technical specification clause 405. (a) by manual means. providing and applying tack coat with bitumen vg-10 using pressure distributor at the rate of 0.30 kg per sqm on the prepared bituminous/granular surface treated with primer and cleaned with hydraulic broom as per technical specification. no. 503 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 line, grade and
Sector: PWD