Irrigation And Waterways Department Tender

Earthwork in excavation or re-excavation of drainage channels / rivers in all kinds of soil including silt, sand, slush etc. mixed with all sorts of Industrial wastes, sewages, municipal garbage, carcasses, tannery effluents, jungles, bushes, semi-solid / solid campact mass, water hyacinth, cowdung deposits, decomposed vegetations, polythenes, brick bats, gravels, stone ballast, crates, remnant of bullah and bamboo pins etc. by means of suitable excavator mounted on pontoon (min. depth of water 0.75 metre) specially made to suit the site condition in tidal or non-tidal channel/river and carrying of the excavated materials to suitable locations of the channel / river bank from the point of excavation by diesel machine operated boats or similar arrangements in a manner suited for the purpose and placing the excavated materials from the boat etc. on the top of the bank in case of disposal at suitable places arranged by the agency at his own cost, on the bank at available locations having distances from the point of re- excavation as shown below, by means of excavators or any other machines or manually as may be required, including all lifts.

Measurement : By Pre-work and Post- work level sections. Pre-work level for the existing bed of the channel / river is to be taken by displacing water hyacinth and all other floating materials including compact masses, carcasses etc. and for which no extra payment will be made. Post-work level section will be taken only when a stretch of at least 300 metre is completed and the said post-work will be taken within 7 days after completion of excavation in that reach.

(a) For distance 0 to 50 metre from the point of re-excavation to the placing point on the bank. Note: The cost for the above work includes the cost of hire charges of excavator including all accessories, excavators, diesel machine operated boats, pontoons etc. and including the cost for mobilisation, de-mobilisation, maintenance, cost of fuel and lubricants, wages of operators and labours and all other incidental charges as may be necessary for the above work and the rate also includes the charges of dismantling and re-erection of machine excavator, pontoon etc., if necessary, in the interest of work or for passing of the machines etc. below the bridges.