renewal of adawa manigarha to devari purani basti link road. 1 providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam ( wbm g-3 ) specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel / vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening / binding materials to fill up the interstices of coarse aggregate, watering and compacting to the required density. 2 providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 to 0.25kg per sqm on the prepared bituminous surface cleaned with mechanical broom. 3 providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregatesusing viscocity grade bitumen to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable hot mix plant of appropriate capacity not less than 200 tonnes / hour, laying and rolling with a smooth wheeled roller, finished to required level and grades. 4 providing and laying of premix sand seal coat with hmp of appropriate capacity not less than 200 tonnes / hours using crushed stone chipping 6.7 mm size and penetration bitumen of suitable grade.