EE/UDHD/WB/PWRD/NIT_08 of 2026_27

Repairing Pot-holes with Bituminous Macadam (Grading-II, for compacted thickness of up to 75mm) Filling Pot Holes with Bituminous Macadam using Mobile Hot Mix plant (6-10 TPH) with approved pakur variety crushed aggregates of specified grading premixed with bituminous binder @3.4% 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 dust and applying tack coat evenly on the sides and on the surface as per specification, rolling the filled depression with 8-10 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.

Providing and applying tack coat with Cationic bitumen emulsion (RS1) complying with IS: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 MORT&H's specification clause 503). On bituminous surface @ 0.25kg /sqm.

Filling Pot-holes and Patch Repairs with open-Graded Premix 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 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. Using Mobile hot mix plant (Light duty ) use pakur variety stone aggregates.

Providing and laying seal coat of premixed fine aggregate ( passing 2.36 mm and retained on 180 micron sieve) with bitumen using 128 kg of bitumen of grade VG - 30 bitumen per cum of fine aggregate and 0.60 cum of fine aggregate per 100 sqm of road surface, including rolling and finishing with road roller all complete. use pakur variety stone aggregates.

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