WBIW/SE/CE(S)/NIT-04e/2025-26, SL 04

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 compact mass, water hyacinth, cowdung deposits, decomposed vegetations, polythene, 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. 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, demobilisation, 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.

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.) By mechanical means using hydraulic excavators within an initial lead of 30 M and an initial lift of 3.0 M.

Disposal/carriage of excavated earth / materials outside Government land by truck or by any other conveyance over kancha / pucca road including making access for plying the truck or any other conveyance beyond 300 m and upto a distance of 5.00 km from the excavated point including cost of stacking, loading, unloading, transporting, arrangement of land, if required by agency, spreading and levelling as necessary etc. complete. Measurement: By stacks at loading point after deducting voids as per rule. (This item can only be used after obtaining permission from the concerned Superintending Engineer).

Supplying Jhaw / Eucalyptus bullah piles at work site, including dressing and making one end pointed. 20 cm av. Diameter Note: Diameter of pile to be measured at a distance of 1.5m from the thicker end.

Supplying, fitting and fixing with iron nails half split bullah wailing pieces and cross pieces etc. complete with cost of all materials and carriage to site. Width of thinner end above 10 cm. and less than 15 cm.

Coal tarring with 5% pitch including cost of material and labour complete as per direction of the Engineer-in-charge. Two Coat

Labour for driving Jhaw / Eucalyptus bullah piles by monkey in all sorts of soil including hoisting and placing piles in position, protecting the pile head with iron ring and cutting and shaping heads before and after driving and including hire and labour for necessary driving appliances and all tackles. 20 cm av. Diameter

Supplying to site empty cement polythene bags (capacity 50kg) in good condition including stacking, incidental charges etc. all complete (capacity 50 kg).

Labour charges for filling empty cement gunny bag / polythene bag (capacity 50 kg) with all kinds of earth (wet or dry), sand or aggregates(stone / brick) and sewing as done in case of cement bags ,(tying with a knot after filling will not be accepted ) , and stacking within a lead of 30 metre as per direction of Engr-in-charge (cost is excluding the cost of any types of filling materials). NB:- Volume of earth/ sand filled bags should not be less than 0.028 cum/ bag.

Dumping in position earth / sand filled gunny / poly bags (capacity 50 kg) within a lead of 30 metre inclusive of all lifts.

Extra rate over item no. 8 for dumping by boat in flowing / stagnant water including cost of hire charges of boat , boatman, crew etc and including loading into boat all complete as per direction of the Engr-in-charge

Removing earth/sand filled poly bags/gunny bags from the channel bed/slope and initially depositing the same near channel bank at a place as directed by the Engineer-in Charge for measurement of Bag & then disposing off the same at a distance not less than 150 metre from the channel site

Taking out Jhaw / Eucalyptus piles from river bed or from elsewhere including carrying, stacking materials in the nearest stack yard. Above 17.5 cm. and up to 25 cm. diameter

Taking out bullah wailing pieces after removing nuts, bolts and iron nails and stacking the same within 150 metre from the site of work including sorting out and stacking serviceable meterials.

Supplying at site and fitting & fixing Mild Steel long nuts & bolts etc. complete as per the direction of the Engineer-in-charge.

Fitting, fixing bitumen drum sheet to bullah piling and wailing pieces including cutting straightening drum sheet fixing with country nails @ 20cm c/c at top & bottom and bolts& nuts at top & bottom at every joint of drum sheet with a lapping of 15 cm, including supply of drum sheet, fixture all complete as per direction of the Engineer - in - charge.

Labour for fitting, fixing with iron nails half split bullah wailing pieces and cross pieces etc. complete including cost of nails only complete as per direction of the Engineer-In-charge. Jhaw / Eucalyptus Width of thinner end above 10 cm. and less than 15 cm.

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