tender for pumping out water from ponds or tanks(payment if permitted will be made on the quantity of water calculated on the basis of initial water level and final level on consideration being made for any water that may have been added through percolation or otherwise) , earthwork in re-excavation / silt clearance in drainage channel in all kinds of soil including sludge, slush mixed with all sorts of industrial wastes and municipal garbages, polypacks, carcasses, small khatal effluents, night soil etc. by mathor labour as may be necessary and depositing the same in places as directed by the engineer-in-charge , in such a manner, without causing much hindrance to traffic and posing health hazard and making arrangement to maintain the site in workable condition and rough dressing when dry including making arrangement of bailing out of any seepage water and removal of sand or soil blown from underneath, removal of khatal, temporary latrines, clearing and removing all kinds of semi compact masses formed by water hyacinth, jungles up to 30 cm girth, and burning them to ashes or removing outside government land in conformity with the municipal rules, including shoring shuttering as required, nicking out lines etc. (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.) volume measured by turncated pyramid volume formula={h/3(a1²+b1²+a1b1} (a) by manual means within an initial lead of 30 m and an initial lift of 1.50 m , gst 18% (cgst9% + sgst9%) , welfare cess 1%