WBIW/EE/MSCD/ NIT- 11(e) /2025-26

Cutting uprooting and clearing jungles including shrubs, water weeds, bushes, trees, plants, upto 30 cm. girth including removing as directed by Engineer-in-charge.

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. (b) above 150 mm. thick

Dressing and chilchalling flanks or slope of embankment including filling with earth or cutting upto 150 mm. average thickness and ramming properly after sprinkling water.

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction ofthe Engineer-in-Charge I. In all sorts of soil excluding marshy soil & rocks (soft or hard) by manual means. a) upto 3 m depth

Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm. including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-charge

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-inCharge 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. A) PCC Grade M20, (i) Height upto 5m

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-inCharge and cost for quality control, sampling, testing ete. all complete as per drawing and technical specification including the cost of necessary form work and staging complete as per drawing and technical specifications. [D) RCC Grade M20, (i) Height upto 5m

Supplying, fitting and placing HYSD bar reinforcement in Substructure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS 280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications and direction of Engineer-in-charge.

Providing weep holes in Brick masonry / Plain / Reinforced concrete abutment, wing wall / return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards drawing face. Complete as per drawing and Technical specifications

Supply of stone / laterite boulders at site including cost of material, loading, unloading and carriage and including all incidental charges like royalty, complete. (Royalty certificate in orignal from concerned authority are to be submitted alongwith the bill). a) Panchami source (Each weighing 25 kg & above)

Labour charges for stacking unloaded boulder / shingles to make them convenient for measurement as per direction of the Engineer-in-charge. a) Boulder of size above 20 kg

Labour charges for boulder pitching on top and slope by placing required boulders (each weighing 25 Kg. and above within lead of 100 metres and all lifts) including filling the interstices with fragments as required, preparing sub-grade by cutting or filling the earth on slope upto 7.5 cm. depth, watering and ramming where necessary complete as per direction of the Engineer-in-charge. a) Over Jhama Khoa/ metal filter/Geo-textile filter.

Supplying at site and laying in position UV stabilized polypropylene woven geotextile of 430 gsm as filter, as per specification, including cost of preparing the bed.placing the geotextile as per profile with at least 15cm lapping, wherever required and anchorage at top, sewing/ welding the overlapped portion, storage and transportation by all means, complete as per direction ofthe Engineer-incharge.

Testing of Geo-textile materials including UV Test from well eqipped laboratories like Jadavpur University, BITRA, CIPET etc.) (This item is applicable only for third party testing conducted by the Engineer-in-charge to assure the quality of the Geo-textile material)

Labour charges for collecting loose scattered laterite and stone boulders from slope, bed or apron and stacking the same above ground level within a lead of 100 metre and all lifts as per direction of the Engineer - in-charge.

Relaying displaced stone or laterite boulder pitching including dressing, preparing bed with necessary earthwork upto 30 cm depth complete with cost of collection of boulder within a lead of 30 metre.