WBPWD/EE/KND/NIeT-04/2026-2027

Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over the flank as necessary or on berm to approximate grade & camber and rolling the sub-grade with power roller to proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprooting and removing plants and jungles when and where necessary. On Road Portion (a) Depth up to 150 mm

(b) For each additional Depth of 150 mm and part thereof.

On Footpath Portion (a) Depth up to 150 mm

(b) For each additional Depth of 150 mm and part thereof.

Supplying,spreading and compacting Sand to required thickness,in layers not exceeding 150 mm to proper gradient,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. Add cost at site of the materials to arrive at the complete rate.The compaction factor for dry, clean sand may be taken as 0.835. Medium Sand

Granular Sub-base with Graded Material (Table:- 400-1) A. Plant Mix Method: Construction of granular sub-base by providing graded material, mixing in Wet Mix Plant at OMC, carriage of mixed material to work site, spreading in uniform layers with Motor grader on prepared surface in proper grade and camber, compacting with vibratory power roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants and cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (iii) 1st Layer Grading – III

(v) 2nd Layer Grading – V

Wet Mix Macadam Base Course 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 to site, 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).

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)

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 with tack coat, rolling with smooth wheeled and vibratory and 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 achive 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). B. For Grading 2 (26.5 mm nominal size, 50-75 mm thick.) (ii) Using Drum mix Type HMP of minimum capacity 60-90 TPH.