WBIW/EE/MLCD/NIT-01(e)/2026-27

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

Earthwork in re-excavation / silt clearance of drainage channels in all kinds of soil including sludge and slush but excluding slush mixed with industrial wastes, sewage, municipal garbage, carcasses, etc and depositing the same as per profile in proper place as directed by the Engineer-in-charge without causing hindrance to traffic and posing health hazard and making arrangement to maintain the site in workable condition including removal of polypacks, brickbats, stone ballasts & boulders, remnants of bullah & bamboo pins and all kinds of water hyacinth, solid / semi solid compact mass formed due to water hyacinth and burning them to ashes or removing outside Govt land where necessary and removal of thick & thorny jungles upto 30 cm girth including shoring and shuttering, if required, and including initial removal of sludge and slush etc by pan or bucket if required, and making arrangement for bailing out of any seepage water and removal of sand or soil blown from underneath, all complete. (Measurement : Pre-work and Post-work level section. Pre-work section to be taken after removal of water hyacinth and all other floating materials etc.)

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.

Ordinary Cement concrete mix(1:1.5:3) (corresponding to M20 Grade) with graded stonechips( 20mm nominal Size) excluding shuttering and reinforcements, if any in ground floor in relevant schedule as per IS Codes stone aggregate.

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved 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) 25 mm to 30 mm thick wooden shuttering as perdecision & direction of Engineer -In-Charge (f) 25 mm to 30 mm shuttering without staging in foundation as per decision & direction of Engineer-In-Charge.

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.

Cast-in-situ cement concrete blocks or lining units as per designed section and specification, in nominal mix proportion 1:1.5:3 (corresponding to M20 Grade) with well graded 20mm down stone metal aggregate, laid in position by casting in alternative panels or otherwise to keep a gap of 12mm between the adjacent units, over a layer of polythene sheet of thickness not less than 100 urn to act as a separator between the bottom surface of the block and the sand cushion / filter material laid below the blocks, including dressing, ramming, shuttering, finishing the exposed surface by trowel without adding any additional cement and sand mortar, curing and filling the gaps between the adjacent units by 5.6mm down coarse aggregate to be compacted properly, with all leads and lifts including supply and carriage of all materials, complete, without the cost of sand cushion /filter.

Supplying and laying filter media in canal bed, canal slope, weep holes, block pitching etc. as per drawing including preparation of Subgrade etc. complete as per direction of the Engineer-in-charge with 22.4 mm Down graded river Bajree.