Black top on Isakakalava Road

Amount

2.31 Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30cmmeasured at a height of 1m above ground level and removal of rubbish upto a distance of 50m outside the periphery of the area cleared.

3.15 Scarifying the existing bituminous surface to a depth of 50mm and disposal of scarified material within all lifts and lead upto 1000metres – by mechanical means.

5.5 Providing, laying and rolling of built-up spray grout layer over prepared base consisting of a two layer composite construction of compacted crushed coarse aggregates using motor grader for aggregates. Key stone chips spreader may be used with application bituminuous binder after each layer and with key aggregates placed on top of the second layer to serve as a base conforming to the line grdes and cross section specified the compacted layer thickness being 75mm (As per MORTH Specification , 4th Revision).

5.2 Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20Kg. per Sqm on the prepared bituminous/granular surface cleaned with Mechanical broom. (As per MORTH Specification, 4th Revision).

5.11A Providing, laying and rolling of close-graded premix surfacing materials of 20mm thickness composed of 11.2mm to 0.09mm (Type-A) aggregated using penetration grade bitumen to the required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a smooth wheeled roller 8-10tonnes capacity and finishing to required level and grade –Using Type-A materials (As per as per clause 512 of MORTH Specification, 4th revision)

5.12A Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grades and cross fall using Type-A seal coat. (As per as clause 513 of MORTH Specification, 4th Revision)