Farakka Barrage Project Tender

Supplying fitting and fixing and tying the porcupine to each other by steel wire rope@ 6 mm per metre (GI Guy rope 6 mm Steel core) near the top and bottom third portion of each porcupine and anchored into the river bed and bank as necessary by using anchor block with anchor bolt with clamp as per direction of the Engineer-in-Charge.

Making cubical bamboo porcupine cages with bamboo of 60 mm to 75mm dia. having length of 2 metre each for all horizontal and vertical struts and 2.8 metre length for diagonal struts, 3 nos horizontal and 3 nos vertical struts should be placed equi-distant from each face to make the square cage of outer dimension 75 cm x 75 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 properly 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 1st class kiln burn Brick @ 80 nos bricks per cage. 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 complete as per direction of the Engineer - in - Charge . ( N.B::- If G I wirenetting is not considered then Rs. 348.00 per cage may be deducted from the following costs, towards cost of wire netting including OH and conctarcor's profit .) For cages of size 75cm x 75cm x 75cm with 1st class kiln burn Bricks (a) Single cage

Labour charges for dumping and placing in position properly filled in Nylon crates with filled in High-Density Polyethylene (HDPE) bags (minimum 21 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 the cost of hire charges of boat, boatmen and other necessary equipments and also including cost of bags, Nylon crates, carriage and charge of filling bags with earth/sand but excluding the cost of earth /sand as per direction of the Engineer – in – Charge. NB: The volume of each earth/sand-filled bag should not be less than 0.0328 m3 The size of the Nylon crate is 1 metre X 1 metre X 1 metre. Note :- This items shall be executed on site through land or boats as and when required as per available site conditions and water levels as per Engineer -In - Charge this item is complete with considerable all hiring charges , labour charge , if any incidential charge .

Making and placing dip trees of single bamboo with branches (Minimum 8m. in each length and 7.50 cm. average diameter) tied by 10 SWG G I wire at 3 different locations of the bamboo with 3 nos empty cement polythene bags filled with single boulder weighing 25kg to 35 kg in each bag and submerging the dip trees under water, tying the same at the bank on 1.5 m. long pegged bamboo pin (2/3rd. driven) with 10 SWG GI wire as per direction of the Engineer-in-charge including cost of all materials, hire charges of boat, labour charges,carriage of all materials etc.complete but excluding the cost of boulders and its carriage upto site.

Providing the still videography & Still Photography for the Temporary measures for the bank protection works on Reach 03 ( CH 4500-4700O) & Reach 04 ( CH 4800 -4960 ) for damages part of already executed works before monsoon of 2023 under Feeder Canal Division .