WBMAD 93 (DEV/15TH F.C /KM) 2025-2026

Repairing pot holes and making up small depression with ramming with or power rolling including cleaning chips or metal and washing drying as necessary heating the chips or metal where necessary cutting pot holes to rectangular shape deepening the edges inclined towards the back cleaning surface preheating matrix and finishing the top of repaired surface leveled with adjoining area including the cost of carriage of stone materials matrix including tack coat.Tack coat using Cationic Bitumen Emulsion (R.S. or M.S.Grade) conforming to IS. 8887-1978 over Water Bound Macadam or Black Top surface including cost and carriage of emulsion hire charges of machineries and labour charges and cost of fuel and lubricants for cleaning and moistering the surface spreading emulsion etc. all complete as per specification and direction of Engineer-in-charges.With premixed chips with 54kg. Of tar or Bitumen per m3 of net volume of stone chips (Payment to the contractor is to be made on the basic of loose net volume of stone chips in the work, by conc. Mixer machine.Over Bitumen Surface.

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). (ii) On Granular surfaces treated with primer

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.

Laying premixed seal coat (type-B) using 0.6 m3 of grit/(passing 2.36mm sieve and retained on 180 micron) per 100 sqm. Area including cleaning the surface preheating the grit by suitable pan mixing the preheated grit with hot matrix @113.50 kg/ m3Of grit/ sand laying the mixture uniformly over the surface and rolling with power roller including the cost and carriage of grit and matrix heating the grit and all other cost and charges in this connection including hire charges and cost of fuel and lubricants of machineries and equipments for construction and quality control complete.On freshly laid premixed surface without tack coat.

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