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). (i) On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.20 to 0.30 kg per sqm.)

Laying 20mm thick premixed carpet (open graded using 1.8 m3 of grit 13.2mm size and 0.9 m3 of 11.2mm size stone aggregates per 100 m2 of surface applying tack coat screening, cleaning and preheating stone chips and fully precoating the same with hot matrix @ 54kg. Per m3 of aggregate laying the premixed chips uniformly over the surface and hand packing thoroughly following by power roller including the cost of carriage of stone chips and matrix heating the matrix and all other cost and charges in this connection including hire charges and cost of fuel and lubricants of machineries and equipment for construction and quantity control as per IRS specification complete.By concrete mixer.

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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