WBPWD/PWRD/BHD II/NIT-12e/26-27/2

Repairing Pot-holes with Bituminous Macadam (Grading 11, for compacted thickness of upto 75mm) Filling Pot Holes with Bituminous Macadam using Mobile Hot Mix plant (6-10 TPH) with approved crushed aggregates of specified grading premixed with bituminous hinder 34% by wt of the total mix, transported to site and laid in the pot hole prepared before hand by cutting the edges to get a firm vertical face and by removing all the failed and loose materials including dusz and applying tack cout evenly on the sides and on the surface as per cu-m pression specification, rolling the filled depression with 8-10 sonne smooth wheeled roller to achieve the desired compaction, including the cost and carriage of stone aggregates and hitumen, 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 volume of the stone aggregates used in the work .

Providing and applying tack coat with Cationic bitumen emulsion (RS1) complying with 15 8887 using emulsion pressure distributor on the prepared bituminous/granular cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to sq-m MORT&H's specification clause 503) On Granular surface treated with primer 0.275 /sqm. Using Cationic RS

Filling Pot-holes and Patch Repairs with open-Graded Premox surfacing, 20mm. Removal of all failed material, in the pavement courses and if necessary below the pavement, until the root causes of the failure is removed, the trimming of completed excavation to provide firm vertical faces, specified for the pavement layer, application of tack coat conforming to cl. 503 of MORT&H's specification on to the sides and sq-m 1136.87 base of excavation prior to placing hot bituminous material as per clause 510 and the compaction, trimming and finishing of the surfaces of all patches to form a smooth continuous surface, level with the surrounding road as per the requirement of clause 3004.2 of MORT&H'S specification

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using. Type A and B scal coats (Reference to MORT&H's specification clause 511) Case IV: Type B Providing and laying of premix sand seal coat with bitumen emulsion of suitable approved grade

SUB TOTAL

GST @ 18% over Sl. No. 1 to 04