WBUD/BDA/CEO/e-NIT-02/2026-27

Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and tacking the material as directed. (a) By manual means : (i) From 25 mm to 50 mm thick.

Granular Sub-base with Graded Material B. By Mix in Place Method : Construction of granular sub-base by providing graded material, mixing by mix in place method with Rotavator at OMC, spreading in uniform layers with Motor grader on prepared surface in proper grade and camber, compacting with vibratory roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants including cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) Grading – III

Water Bound Macadam base course providing, laying, spreading and compacting stone aggregates of specific sizes to Water Bound Macadam specifications including spreading in Uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding materials to fill up the interstices of coarse aggregate, watering including lighting, guarding, barricading and making necessary earthen bundh of 1m width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and higher and labour charges of all men and machinary and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Rev.) (1) Grading-IIAggregate (53mm to 22.4 mm) Using Stone Screening Type A (11.2mm) B. Mechanical Means.

Supplying and Laying in the specified patterns of Interlocking Concrete Block Pavments(ICBP) with concrete blocks ( with concrete grade as specified as per Table 1 of IS 15658 :2006) manufactured in steel module clamped to a vibrating table by hyraulic pressure (as per cl. no. 6.30 of IRC : SP : 63 (2018), from BIS licensee manufacturer, with spacer nib (Small protruding profiles on the vertical face of a paver block used as a device for keeping menimum 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 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, compacting, levelling and filling up ofthe edge gap. 100 mm thick Grey

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

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

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity) (b) Do by fine sand

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.

Hire and labour charges for shuttering with centering and upto 4 m using approved stout props and thick hard wood planks of approvednecessary staging thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (f) 25 mm to 30 mm shuttering without staging in foundation

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety