Public Works Roads Department Tender

Repairing Pot-holes with Bituminous Macadam (Grading-I, for compacted thickness of 80mm to 100mm) Filling PotHoles with Bituminous Macadam using Mobile Hot Mix plant (6-10TPH) with approved crushed aggregates of specified grading premixed with bituminous binder @3.3 % by wt. of the total mix, transported to site and laid in the pothole prepared before hand by cutting the edges to get a firm vertical face and by removing all the failed and loose materials including dust and applying tack coat evenly on the sides and on the surface as per specification, rolling the filled depression with8-10 tonne smooth wheeled roller to achieve the desired compaction, including the cost and carriage of stone aggregates and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of all operational staff, quality control except the cost of tack coat complete as per direction of Engineer-in-charge . Payment to be made on the basis of the loose net volume of the stone aggregates used in the work.

Tack Coat Providing and applying tack coat with bitumen emulsion (RS1) using emulsion pressure distributor on the prepared bituminous / granular / cement concrete pavement surface cleaned with mechanical broom and high pressure air jet( Reference to MORT&H's Specification clause 503) i) On Bituminous Surface @ 0.20kg - 0.30 kg./Sqm.

Open - Graded Premix Surfacing Providing, laying and rolling of open-graded premix surfacing of 20mm thickness composed of 13.2mm to 5.6mm aggregates either using viscosity grade bitumen of approved grade to 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 as mooth wheeled tandem or other approved type roller 8-10 tonne capacity, finished to required level and grades (Reference to MORT&H's specification clause 510). (i) Case-I: Mechanical method using approved grade Bitumen and HMP of appropriate capacity not less than 75 tonnes/hour .