Adina Chakli Road VR from 0.50 Km to 2.76 Km in stretches Patch repairing works under Malda Highway Division in the district of Malda.

Patching of potholes by draining water, cutting the pothole area to rectangular shape with vertical edges, removing all loose materials, screening and stacking the same for reuse with new materials as per requirement, filling the pothole area with additional volume of crushed stone materials of Pakur variety etc. and screenings as applicable, and compacting the same with static roller as per Water Bound Macadam Specification, including cost of all materials and machineries. The payment is to be done based on loose net volume of coarse aggregates only.

Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).For WBM Surface: (with primer @ 0.85 kg/sqm)

Providing and applyting tack coat using Cationic Bitumen emulsion [RS grade packed] conforming to TS 8887-1978, over prepared surface including cleaning of surface with mechanical broom, miostening the surface, appltying tack coat including cost and carriage of emulsion, hire charges of mechineries and labour, cost of fuel and lubricants all complete as per specificatiion and direction of the Engineer -in -Charge. Tack coat on Black top surface @ 0.2 - .03 kg/sqm

Repairing potholes 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 where necessary, cutting potholes to regular shape with vertical edges, cleaning the disintregrated materials, heating matrix and and applying tack coat ( including sides), finishing the top of repaired surface leveled with adjoining area, including cost and carriage of stone aggregrates and matrix excluding the cost of applying tack coat. With premixed chips with 54 kg of bitumen [V.G-30 packed] per cum of loose net volume of stone chips by Mobile Hot Mix Plant (Light duty). Using 60% of 22.4 mm and 40% of 11.2 mm size of Pakur stone chips. [Payment to the contractor is to be made on the basis of loose net volume of chips consumed]. [Without Tack Coat, tack coat is to be considered separately].

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 and fully pre-coating the same either 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 stone chips and matrix, heating the matrix, preheating the aggregates to required temperature and including the hire charges of Mobile Hot Mix Plant (Light Duty) and other machinery, pay of operators, cost of fuel and lubricants etc. complete to be followed by seal coat of either Type A or Type B as per Technical Specification Clause 508 for Rural Roads of MORD. Using Mobile Hot Mix Plant ( Light Duty) For premixing coat,

Supplying and laying premixed seal coat [type -B] with approved quality stone grit @ 0.60 m3 /100 m2 and hot bitumen binder (V.G.-30, packed ) on thoroughly cleaned black top surface coated with tack coat, including heating and mixing cleaned grit [100% passing through 2.36mm sieve and retained on 180 micron sieve] uniformly with hot binder @ 113.5 kg per m3 grit in Mobile Hot Mix Plant [Light Duty] laying and spreading the mix at an uniform rate using suitable means, brushing the surface, if necessary, to ensure uniformity, followed by rolling with power roller including the cost and carriage of binder and aggregates, cost of heating of binder and aggregates and all other incidental charges, cost of fuels and lubricants, including hire charges of machineries tools and plants and quality control complete. Using Pakur variety stone materials. On freshly laid premixed carpet with tack coat.

Dressing and chilchalling Road flanks including cutting and filling with earth up to 150 mm average thickness finished with outward cross-grade of 1 in 30.

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