Interim measures to the damaged stretches of already executed work in the downstream of Farakka Barrage on the right bank of river Ganga between Ch 4500 m to Ch 4700 m R3 and between Ch 4800 m to Ch 4960 m R4

Amount

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 up to 50 cms depth, if necessary, or by boat including the cost of hire charges of boat, boatmen and other necessary equipment and also including cost of bags, Nylon crates, carriage and charge of filling bags with 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 × 1 metre × 1 metre - (a) Where boats are necessary

Supplying at site and laying in position UV stabilized needle punched, stapled fibre / continuous filament polypropylene non-woven geotextile of 300 GSM as filter, as per specification, including cost of preparing the bed, placing the geotextile as per profile with at least 15 cm lapping, wherever required and anchorage at top, sewing / welding the overlapped portion, storage and transportation by all means, complete as per direction of the Engineer-in-charge.

Making cubical bamboo porcupine cages with bamboo of 60 mm to75mm 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 3nos vertical struts should be placed equidistant 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. diagonals 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. (NB: If G I wire netting is not considered then Rs. 348.00 per cage may be deducted from the following costs, towards cost of wire netting including OH and contractor’s profit) - For cages of size 75cm × 75cm × 75cm with 1st class kiln burn Bricks (a) Single cage

M/S. SUMANA ENTERPRISE

ROY & ROY CONSTRUCTION

E.H.CONSTRUCTION CO.PVT.LTD

ASTRA

HILSA ENTERPRISES

M/S N. ISLAM AND CO.