Micro-Surfacing on various PWD roads under South Maintenance Zone, PWD, Delhi during 2026-27

With medium setting bitumen emulsion

On bituminous surface @ 0.25kg/sqm

40/50 mm compacted thickness with bitumen of grade VG- 30 @ 5.5% (percentage by weight of total mix) and lime filler @ 3% (percentage by weight of Aggregate) and waste plastic additive @ 8% (percentage by weight of bitumen) prepared in Batch Type Hot Mix Plant of 100- 120 TPH capacity

Providing and applying 2.5 mm thick road marking strips (retro- reflective) of specified shade/ colour using hot thermoplastic material 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.

less for Correction factor on DSR 2023 on account of GST @ 0.973

Add Cost Index @ 4.03%

Providing and laying micro surfacing course of 6 to 8 mm thick confirming to Morth Specification of Type-III grading (as per MoRTH Table 500-31) consisting of a mixture of dry fine aggregates, Portland cement filler, polymer modified cationic quick setting bitumen emulsion having 60% binder (as per Table 500-32 of Morth Specification), chemical additives & water in the following proportion. (i) Quantity of mix* (kg/m2) = 11.1 - 16.3 Kg/Sqm. (ii) Polymer Modified Bitumen (PMB) emulsion @ 5.5% - 10.50% by weight of fine aggregate. (iii) Mineral filler (Cement)= 0.5 - 3.0% by weight of fine aggregate. (iv) Additive = As Needed (Av 1.5% by weight of fine aggregate) (v) Water = As Needed Note: Item includes proportioning mixing, laying of micro-surfacing course using mechanized mixing laying unit after vacuum cleaning of surface complete as per the specifications and direction of Engineer-in-charge.