Details: pattakkal moovarikund road balance portion re tarring 5.5.b.2a:modified macadam 75 mm thick using bitumen s-65 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. (b) 75 mm thick :- (ii) bitumen (s-65) 5.2.1a:tack coat 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. 5.11.1.a.2a:mix seal surfacing - manual means - type a - bitumen s-65 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) aggregates using grade bit
Sector: RDPR