WBIW/CTU/CE(North) /e-NIT- 03(e) /2026-27 SL 01

Making cubical bamboo porcupine cages with bamboo of 60 mm to 75mm dia. Having length of 1.8 metre each for all horizontal and vertical struts and 2.5 metre length for diagonal struts, horizontal 3 nos and 3 nos vertical struts should be placed equi-distant from each face to make the square cage of outer dimension 60 cm x 60 cm and projecting each strut by 60 cm on all directions. Two nos dioganals or cross bamboo posts should be placed on each face having their centre tied with the centre of cage proper including fitting, fixing corners, vertical, horizontal and diagonal struts with iron nails not less than 20 cm long and tying corners with 16 SWG galvanized iron wire, filling the cages with boulders / lump aggregates. Cages builts with 10 SWG hexagonal or square pattern 10 cm mesh, with proper lapping, tying and sewing with 10 SWG GI wire including cost of all materials, carriage to site and laying the same in the bed or slope of the river, filling the same with the filler materials complete as per direction of the Engineer - in - Charge but excluding the cost & carriage of boulder / lump aggregate up to site. ( N.B::- If G I wire netting is not considered then Rs. 215.00 per cage may be deducted from the following costs, towards cost of wire netting including OH and contractor's profit .) For cages of size 60cm X 60cm X 60cm with boulders Single cage.

Earthwork in excavation in the canals / drainage channels / borrow pits / River bed / slope of bank as noted below as per designed section & throwing the spoils in layers of 25 cm. for making banks as per profile or to deposit the same in any other place within an initial lead of 30 metre and initial lift of 1.5 metre including breaking clods, rough dressing etc. complete as per direction of the Engineer-in-charge. Ordinary soil / local soil / soil mixed with moorum or kankar / silt, dry or moist / slushy silt / sticky soil.

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.

Supplying Nylon cage netting of size 1.0 metre x 1.0 metre x 0.40 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.

Supplying Nylon cage netting of size 1.0 metre x 1.0 metre x 0.60 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.

Labour charges for dumping and placing in position properly filled in Nylon crates with filled in gunny / poly cement bags (minimum 25 nos. having capacity 50 kg) with local earth or sand, sewing and tying the crate with nylon wire within a lead of 150 m. and all lifts in river slope or bed by cutting trenches upto 50 cms depth, if necessary, or by boat including cost of hire charges of boat, boatmen and other necessary equipments and also including cost of bags, carriage and charge of filling bags with earth / sand but excluding cost of nylon crate as per direction of the Engineer – in – charge. NB:- Volume of each earth/ sand filled bags should not be less than 0.028 m3. Size of Nylon crate is 1metre X 1metre X 1metre. Where boats are necessary

Labour charges for dumping and placing in position properly filled in Nylon crates with filled in H.D.P.E. bags (minimum 15 nos. ) with local earth or sand, sewing and tying the crate with nylon wire within a lead of 150 m.and all lifts in river slope or bed by cutting trenches up to 50 cms depth, if necessary, or by boat including cost of hire charges of boat with boatmen and other necessary equipments and also including cost of bags, carriage and charge of filling bags with earth / sand but excluding cost of nylon crate as per direction of the Engineer – in – Charge. NB:- Volume of each earth/ sand filled bags should not be less than 0.0328 m3. Size of Nylon crate is 1.0 metre x 1.0 metre x 0.40 metre. Considering 85% filling of each bag for comapcting in the crate for slope pitching as per guideline. b) Where boats are not necessary. 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 dumping and placing in position properly filled in Nylon crates with filled in H.D.P.E. bags (minimum 13 nos. ) with local earth or sand, sewing and tying the crate with nylon wire within a lead of 150 m. and all lifts in river slope or bed by cutting trenches up to 50 cms depth, if necessary, or by boat including cost of hire charges of boat with boatmen and other necessary equipments and also including cost of bags, carriage and charge of filling bags with earth / sand but excluding cost of nylon crate as per direction of the Engineer – in – Charge. NB:- Volume of each earth/ sand filled bags should not be less than 0.0328 m3. Size of Nylon crate is 1.0 metre x 1.0 metre x 0.60 metre. b) Where boats are not necessary. 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.

Making rectangular sausage cage with 10 SWG galvanized iron wire of 125mm. X 125mm. mesh wire netting with proper lapping of minimum 150 mm. including sewing the joints with 12 SWG G I wire and supply of all materials and equipment including placing the sausage cage in position, filling the same with boulder or lump aggregates complete asper direction of the Engineer-in-charge but excluding the cost of boulder / lump aggregates and its carriage upto site. (Cost is excluding the cost of end pieces ) 1.20 metre x 0.90 metre nominal section

Making rectangular sausage cage with 10 SWG galvanized iron wire of 125mm. X 125mm. mesh wire netting with proper lapping of minimum 150 mm. including sewing the joints with 12 SWG G I wire and supply of all materials and equipment including placing the sausage cage in position, filling the same with boulder or lump aggregates complete asper direction of the Engineer-in-charge but excluding the cost of boulder / lump aggregates and its carriage upto site. (Cost is excluding the cost of end pieces ) 0.60 metre x 0.45 metre nominal section