Details: 3) 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 prime coat (i) low porosity providing and applying primer coat with bitumen emulsion (ss-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means as per technical specification clause 502 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 bituminous surface cleaned with hydraulic broom as per technical specification clause 503. 20mm thick open-
Sector: PWD