Details: road re tarring 75.5.5.b.2pb:modified macadam 75 mm thick using bitumen s-65 - packed bitumen rates construction of macadam over prepared base by providing a layer of compacted crushed coarse aggregate using chips spreader with alternate applications of bituminous binder and key aggregates and rolling with a three wheel 80-100 kn static roller to achieve the desired degree of compaction as per technical specification clause 506. 75.5.2.2pb:tack coat - with packed bitumen rates providing and applying tack coat with bitumen emulsion (rs-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with hydraulic broom as per technical specification clause 503. 75.5.11.2.a.2pb:mix seal surfacing - mechanical means - type a - bitumen s-65 - packed bitumen rates providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness composed of 11.2 mm to 0.9 mm (type-a) or 13.2 mm to 0.9 mm (type-b)
Sector: RDPR