WB/PWRD/EE/HHD/NIT-03/2026-27

Water Bound Macadam Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniformthickness, hand packing, vibratory roller 8-10 tonnes in stages to proper grade and camber,applying and brooming requisite type of screening/binding Materials tofillup the interstices of coarse aggregate, watering and compacting to the required density (Reference to MoRT&H's specification 404) Grading-2 (Table 400-9)

Prime Coat Providing and applying primer coat with cationic bitumen emulsion SS1 grade conforming to IS:8887 on prepared porous granular surface including clearing of road surface and spraying primer using mechanical means (Reference to MORT&H's specification clause 502).

Tack Coat Providing and applying Tack Coat with bitumen emulsion using Emulsion pressure distributor on the prepared bituminous /granular/ cement concrete pavement surface cleaned with mechanical broom (Reference to MORTH"s specifications clause 503)(i) on bituminous surface @ 0.20 Kg/sqm.

Reparing Pothols with Bituminous Macadam. Reparing Pothols with Bituminous Macadam ( Grading -II, for compacted thickness of upto 75mm). Filling pot holes with Bituminous Macadam using Mobile Hot Mix Plant (6-10 TPH)with approved crushed aggregates of specified grading premixed with bituminous binder @ 3.4% by wt. of the total mix transported to site laid in the pot hole perpared before hand by cutting the edges to get a firm vertical face and by removing all the failed and loose materials including dust and applying tack coat etc. etc.

Filling Pot-holes and Patch Repairs with open-Graded Premix surfacing, 20mm. Removal of all failed material, in the pavement courses and if necessary below the pavement, until the root causes of the failure is removed, the trimming of completed excavation to provide firm vertical faces; specified for the pavement layer; application of tack coat conforming to cl. 503 of MORT&H's specification, on to the sides and base of excavation prior to placing hot bituminous material as per clause 510 etc. etc.

Premixed Seal Coat Providiong and laying Premixed Seal Coat( Type B) with approved quality sand/grit @ 0.6 m3/100 m2 and bitumen binder on thoroughly cleaned black top surface coated with tack coat , including heating and mixing cleaned sand/grit (100% passing through 2.36 mm sieve and retained on 180 micron sieve ) uniformly with bitumen binder, 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 and all other incidental charges, cost of fuel and lubricants, including hire charges of machineries, tools & plants required for construction and quality control complete as per clause 511 of specifications for Road & Bridge Works of MoRT&H (5th revision). I) By Mechanical means. ii) With cationic Bitumen Emulsion (@ 10.50 kg /10 sqm).

GST @ 18.00% over Sl. No. 1 to Sl. No. 6

Including LWC @ 1.00% over Sl. No. 1 to Sl. No. 7