Campus Road Re-tarring and repairing works at Milma Nilambur Depot

Amount

Description of works

Providing and applying tack coat with bitumen emulsion (RS) using emulsion pressure distributor at the rate of 0.30 - 0.35 kg per sqm on the prepared Cement Concrete pavement or old bituminous pavement cleaned with mechanical broom.

Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness composed of 11.2 mm to 0.09 mm (Type-A) aggregates using viscosity grade bitumen ( VG - 30) to the required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable HMP of appropriate capacity not less than 75 tonnes/hour., laying and rolling with a Smooth wheeled roller 8-10 tonne capacity, and finishing to required level and grade. (MORTH 5.7.1)

Construction of granular sub-base by providing graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 Grading-I - Plant Mix Method

Filling up pot holes (cut and formed to regular shapes and all loose and defective materials removed) after supplying a prime coat of hot bitumen using 36mm broken stone and compacting with power roller to get a compact surface.

Providing pre mix bitumen leveling coarse having thickness between 20mm and 40mm with 12mm metal by spreading the metal to line and levels and rolling until the compacted coarse aggregate has a firm surface and applying hot bitumen (vg 30) with pressure sprayer at the rate of 48 Kg per M3 metal including all cost of bitumen conveyance heating mixing spreading in appropriate locations to proper levels compacting with power roler and other sundry stores.

UMER KOYA U