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. (a)by manual means tack coat (i) providing and applying tack coat with bitumen vg-10 using bitumen distributor at the rate of 0.30 kg per sqm on the prepared surface cleaned with hydraulic broom as per technical specification clause 503. (including cost of bitumen (v g-10 ) 20mm thick open-graded premix carpet using bituminous binder (vg-10) providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates using vg-10 grade bitumen to required line, grade and level to serve as wearing
Sector: PWD