WBPWD/SSE/SC/NIeT-15/2025-2026

PART A: Road Work:

Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as directed. (b) By mechanical means (without milling machine) : (ii) From 50 mm to 100 mm thick.

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. (a) Depth up to 150 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.

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 atOMC, 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). ii) Grading – III Pakur Variety

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 atOMC, 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) Grading – II Pakur Variety

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 Clouse 406 of Specifications for Rood & Bridge Works of MoRT&H (5th Revision) Pakur Variety

Supplying and Laying in the specified pattern of Interlocking Concrete Block Pavements (ICBP) with concrete blocks (with concrete grade as specified as per table 1 of IS 15658:2006) manufactured in steel mould clamed to a vibrating table by hydraulic pressure (as per cl. No. 6.30 of IRC: SP:63 (2018)BIS licensee manufacturer, with spacer nib (Small protruding profiles on the vertical face of a paver block used as a device for keeping minimum joint gap in between the paving blocks, as per Cl. No 3.26 of IS: 15658) and of specified size and shape with aspect ratio (The ratio of length to thickness of a paver block, as per Cl. No. 3.3 of Is: 15658) as per Table 2 of IS : 15658 with flexural strength/ breaking load as per Annexure G of Is: 15658, on the prepared base course of specified CBR as per Table 1 of IRC SP 63 (2018) or else as mentioned in design and drawing with a cushion of compacted bedding sand of 25-35 mm thick ( grading of the bedding sand as per clause 6.5.1 of IRC Sp-63) and filling up the gaps in between paver blocks with joint filling sand (the grading of the joint filling sand will be as per clause 6.5.2 of IRC SP 63) and completing the edges with cut blocks as per Cl. No. 8.7 of IRC Sp- 63 (2018) with proper confinement of bedding and joint filling sand, compaction, levelling and filling up of the edge gap. 100mm thick. Grey

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge

PART B: Saucer Drain:

Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches.

Plain / Reinforced Cement Concrete in Substructure with coarse aggregates of appropriate nominal size and grading, fine aggregate (sand) conforming to proper grading zone, both of approved quality, cement and water reducing admixtures, as necessary, including labour, cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge and cost for quality control, sampling, testing etc. all complete as per drawing and technical specification including the cost of necessary form work and staging complete as per drawing and technical specifications C PCC Grade M30 (i) Height upto 5m I) Using concrete Mixer

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