WBIW/SDO/BDSD_Bongaon/e-NIT-06 /2025-26, Sl No 2

Earthwork in re-excavation / silt clearance of drainage channels in allkinds 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 (b) By mechanical means using hydraulic excavators within an initial lead of 30 M and an initial lift of 3.0 M

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