cleaning water hyacinth and other floating materials of airport pass channel under bidhannagar municipal corporation for 6 months.-clearing compound premises of shurbs, plants, jungles etc. by cutting and removing as directed (specific permission of engineer-in-charge prior to execution will be necessary).(payment to be made on area cleared) 2 clearing and removal of water hyacinth including weeds, thick and thorny floating jungles and burning them to ashes when dry or removing them outside government land including all leads and lifts to stack in a nearby available space complete. 3 clearing and removal of debris (including floating debris) including sludge & slush mixed with all sorts of industrial waste, solid/semi-solid compact mass formed due to water hyacinth in combination with industrial wastes, carcasses, municipal garbage sludge, polypacks, thick and thorny jungles and long grass etc. and depositing, spreading the same on the canal bank and later burnt to ashes when dry including all leads and lifts complete. 4 clearing and removing solid / semisolid compact mass formed due to water hyacinth in combination with industrial waste, carcasses, municipal garbage, sludge, thick and thorny jungles and long grass etc. and disposal of lifted water hyacinth / semi-solid compact mass by truck or by any other conveyance over kuncha / pucca road including making access for plying the truck or any other conveyance beyond 240 m from the lifting point including cost of loading , unloading , transporting, arrangement of land, if required by the agency all complete including all leads and lifts.(this item can only be used after obtaining permission from the superintending engineer)mode of measurement : payment will be made on the basis on the stack measurement after deducting voids @ 40 %. 5 goods and services tax (gst) @ 0% on sl no. - 01 to 04 6 cess @ 1 % on sl no. - 01 to 05