Name of work:-Repair and Maintenance of Infrastructure Assets in R-IV Division during 2021-22.Sub Head:-Construction of speed breaker at Bulgaria Embassy, German School/Rizal Marg in R-IV Division area.
Sl. No.
Item Description
1
Dismantling of flexible pavement (bituminous courses) by mechanical means and disposal of dismantled material up to a lead of 1 kilometre,as per direction of Engineer-in-charge.
2
Providing and applying tack coat using bitumen emulsion conforming to IS: 8887, using emulsion pressure distributer including preparing the surface & cleaning with mechanical broom. With rapid setting bitumen emulsionOn bituminous surface @ 0.25kg/sqm
3
Providing Bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction and density as per specification, complete and as per directions of Engineer-in-Charge. Laying and compacted in required thickness with bitumen of grade VG-30 @ 5.5% (percentage by weight of total mix) and lime filler @ 3% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity.
4
Providing and applying 2.5 mm thick road marking strips (retroreflective)of specified shade/ colour using hot thermoplastic material (thermoplastic paint @ 5 kg/sqm & glass beads @ 250 gm./sqm) by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour, T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in-charge and accordance with applicable specifications (Payment will be made after submitting delivery challan/invoice from the manufacturer/dealer).
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