WBHIDCO/GM E-II/AA-II/NIT-02/2026-2027

Earthwork in cutting to form road section in correct profile including removal of spoils not exceeding initial lead of 50m and initial lift of 1.5m (Mode of measurement: pre works and post works) (i) In ordinary soil

Compacting original ground supporting subgrade Loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per Clause 305.3.4 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Supplying, spreading and compacting Fine Yellow Sand to required thickness, in layers not exceeding 150 mm to proper gradient and camber, inundating each layer by water and packing and ramming layer by layer to achieve desired compaction, including lighting, guarding, barricading and making adequate earthen bundh where necessary, curing with water as per direction, mending cracks and depressions by ramming wherever necessary. Compacted thickness 500 mm.

Supplying, spreading and consolidating Stone Dust to a depth of 100 mm. and above at desired density and C.B.R. as per Specification with power roller to proper gradient and camber including watering as necessary, and lighting, guarding, barricading and making adequate earthen bundh where necessary to protect the edges and curing with water for 2 to 3 days, mending cracks and depressions by rolling where necessary including all incidental charges of roller, cost of fuel & lubricants complete as per specification. For compacted thickness 260 mm.

Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including screening of aggregates and granular materials, premixing the material with water at OMC in Wet Mix Plant, carriage of mixed material by tipper tosite, laying in uniform layers with Paver in Sub- base / Base course on well prepared surface and compacting with Vibratory Roller to achieve the desired density, including supply of all materials, machinery, fuel and lubricants, including incidental costs for lighting, guarding, barricading, making earthen bundh to protect the edges including cost of quality control complete as per Clause 406 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). For compacted thickness 250 mm.

Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) For WBM / WMM Surface: (with primer @ 0.70-1.0 kg/sqm)

Dense Bituminous Macadam Providing and laying dense bituminous macadam with Hot Mix Plant using crushed aggregate of specified grading, filler (Cement/hydrated lime /Rock dust) premixed with bituminous binder of approved grade @4.0% (min) for Grading -1 and 4.5% (min) for Grading -2 by weight of total mix as per table 500-10 and mix design done as per table 500-11 and job mix formula as per clause 505.3.3 of MoRT&H (5th Revision), including screening. cleaning of chips, transporting the hot mix to work site, laying the mixed materials at specified laying temperature, as specified in Table 500-2 with a hydrostatic paver finisher with sensor control to the required grade, level and alignment over prepared surface coated with tack coat, rolling with smooth wheeled and vibratory or tandem rollers or with a pneumatic tyre roller of 12 to 15 tonne weight with a tyre pressure of at least 0.56 MPa, to achieve\ the desired density as per clause 505.3.5, all including cost and carriage of bitumen, crushed aggregates, filler materials and hire charges of machinery and equipment for construction and quality control complete as per Clause 505 of Specifications for Road & Bridge Works of MORT&H (5th Revision). For Grading 2 (26.5 mm nominal size, 50-75 mm thick.) (ii) Using Drum mix Type HMP of minimum capacity 60-90 TPH. Compacted thickness 50 mm.

Bituminous Concrete Providing and laying bituminous concrete with Hot Mix Plant using crushed aggregates, filler materials (Cement/hydrated lime /Rock dust) and premixed with bituminous binder of specified grading @5.2% (min) for Gr.-1 & @5.4% (min) for Gr.-2, as per table 500-17 and mix design done as per table 500-10 and job mix formula as per cl. 505.3.3, including screening, cleaning of chips and preparing a uniform and quality mix, transporting the hot mix to work site, laying the mixed materials at specified laying temperature as specified in Table 500-2 with a hydrostatic paver finisher with sensor control to the required grade, level and alignment over prepared surface coated with tack coat, rolling with smooth wheeled and vibratory or tandem rollers or with a pneumatic tyre roller of 12 to 15 tonne weight with a tyre pressure of at least 0.56 MPa, to achieve the desired density as per clause 505.3.5, Including cost and carriage of bitumen, crushed aggregates, filler materials and hire charges of machinery and equipment for construction and quality control, complete as per Clause 507 of Specifications for Road & Bridge Works of MORT&H (5th Revision). B. For Grading 2 (13.2 mm nominal size, 30mm/40 mm thick.) Using Drum mix Type HMP of minimum capacity 60-90 TPH. Compacted thickness 30 mm.

Labour for picking up existing metalled road surface to a specified average depth, including screening and stacking the pavement materials. (b) For average depth above 40 mm but not exceeding 75 mm by manual means: (i) Stone-metal surface.

Providing and laying special type of Median kerb with M-25 Ready Mixed Concrete with size of 550 mm.(H) x 300 mm.(L) x 150 mm. (thick) including necessary earthwork and also bed will be finished with 50 mm. ordinary concrete (1:2:4) & filling joint with sand cement mortar (4:1) with 10 mm. thick and as per drawing all complete. (i) Median Kerb.