Seikhpur to Kumarganj Road from Ch. 2.00 Km to Ch. 4.50 Km, Patch repairing works in stretches under Malda Highway Division, during FY 2025-2026.

Repairing pot-holes and making up small depressions with ramming or power rolling including screening, cleaning chips or metals and washing, drying as necessary and heating the chips or metal etc complte. i) With premixed Chips or Bajrees with 54 kg of bitumen per m3 of loose net volume of stone chips using concrete mixer machine etc. (b) Using Mobile HMP (Light duty)

Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Open-Graded Premix Surfacing using Bituminous/ Modified bitumen) Binder and Mobile Hot Mix Plant (Light Duty) Providing, laying and rolling of Open - graded premix surfacing of 20 mm thickness composed of 13.2 mm (@ 0.018 m³ per m²) and 11.2 mm (@ 0.009 m³ per m²) size stone aggregates, including thoroughly cleaning of the surface, screening, cleaning and pre-heating stone chips using viscosity grade paving bitumen or cut-back or emulsion, carrying the mixture by any suitable arrangements, laying the mixture uniformly over the surface, including line, grade and level to serve as wearing course on a previously prepared base, including mixing in Mobile Hot Mix Plant (Light Duty) and thoroughly rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades including the cost and carriage of stonechips and matrix, heating the matrix, preheating theaggregates to required temperature and including the hire charges of Mobile Hot Mix Plant (Light Duty) etc complete.

Providing and laying Premixed Seal Coat (Type B) with approved quality sand/grit @ 0.6 m3/ 100 m2 and bitumen binder on thoroughly cleaned black top surface coated with tack coat, including heating and mixing cleaned sand/grit (100 % passing through 2.36 mm sieve and retained on 180 micron sieve) uniformly with bitumen binder, laying and spreading etc complte. II. By Manual Means: (i) With Hot Bitumen Binder (@ 6.80 kg / 10 sqm.)

Providing and laying Slurry seal consisting of a mixture of approved quality fine aggregates of proper grading, Portland cement filler, bituminous emulsion and water on a road surface including cleaning of surface, mixing of slurry seal in a suitable mobile plant, laying and compacting with pneumatic-tyred roller, if required, to provide even riding surface including cost and carriage of all ingredients, hire and operational charges of roller and other tools and plants including cost of fuel, lubricants and all other incidental charges, quality control as per Clause 512 of Specifications for Road & Bridge Works of MoRT&H (5th Revision) .(iii) 1.5 mm thickness

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