Details: road maintenance 75.5.5.a.1pb:modified macadam 50 mm thick using bitumen s-65 - packed bitumen rates <br> 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. 75.5.2.1pb:tack coat - with packed bitumen rates <br> providing and applying tack coat with bitumen emulsion (rs-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with hydraulic broom as per technical specification clause 503. 75.5.9.1.2pb:20mm thick open-graded premix carpet using bituminous ( grade/modified bitumen) binder - bitumen s-65 - packed bitumen rates<br> providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm
Sector: RDPR