e-NIT No - WBIW/TA/WC-I/NIT-01(e)/ 2025-26 SL01

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 atavailable locations having distances from the point of re- excavationas 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-worklevel for the existing bed of the channel / river is to be taken bydisplacing water hyacinth and all other floating materials includingcompact masses, carcasses etc. and for which no extra payment will bemade. Post-work level section will be taken only when a stretch of atleast 300 metre is completed and the said post-work will be taken within 7 days after completion of excavation in that reach. 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 asmay 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.

(a) For distance 0 to 50 metre from the point of re-excavation to the to the placing point on the bank.

(a) For distance 50 to 100 metre from the point of re-excavation to the to the placing point on the bank.

(a) For distance 100 to 200 metre from the point of re-excavation to the to the placing point on the bank.

(a) For distance 200 to 300 metre from the point of re-excavation to the to the placing point on the bank.

Disposal/carriage of excavated earth/materials outside Government land by truck or by any other conveyance over kuncha/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, transportating, 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. Note: Diameter of pile to be measured at a distance of 1.5m from the thicker end

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 15 cm av. Diameter Note: 1) Payment to be made on the length driven into the ground. Diameter to be measured at 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. (a) 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 a) One Coat

Supplying at site High Density Polyethylene (HDPE) bag of size 0.84 m x 0.38 m conforming to BIS : 14252 : 2015 for bank protective works including all cost of cost of transportation on road by all means,including other incidental charges complete. Note: Payment will be made subject to the result of 3rd Party Testing, to be done by the Engineer-in-charge departmentally. Paragraphs 2.8 including the sub-paragraphs, i.e. 2.8.1 and 2.8.2 under the Chapter of “Specification for Works” in the USoR shall be reproduced and included in the tender document as “Specification and Special Terms & Conditions for High Density Polyethylene (HDPE) Bags” in case of use of this item in the estimate

Labour charges for filling HDPE bags with filler materials (earth/sand), machine stitching the open end of the bag with thread as per design and placing the same on slope or dumping from bank within initial lead of 30m and all lifts including carriage and hire charges of all materials and equipments but excluding the cost of filler materials as directed by Engineer-in-Charge (Volume of earth/sand filled bag should not be less than 0.0328 cum).

Supplying Nylon cage netting 1 metre x 1 metre x 1 metre size with knot having mesh size 17.5 cm x 17.5 cm constructed with nylon thread (210 x 24) having tensile strength not less than 250 Kg. / sq. cm. including carriage, delivery and stacking at site inclusive of all taxes complete.

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 laping of 15 cm, including supply of drum sheet, fixture all complete as per direction of the Engineer - in - charge.

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