WBIW/EE/MEDM/e-NIT-07/2026-27

Taking out old existing unservicable damaged draw/flap gate shutter of distributories/ branch canal/minor canal/channel completely after disengaging from hoisting system completely for installation of new gate shutter. The work includes cutting of gates into suitable pieces by gas cutting, removing the same by mechanical means or suitable crane, stacking all the pieces at the suitable place or departmental godown or as directed by the Engineer in charge. The cost includes cost of man power employed for dismantling and cost of consumables like oxygen, accetylene gas, hire charges of machineries, like chain pulley block, gas set, tools & tackles, scaffolding and safety equipments etc including carriage loading & unloading with all lead & lift.

Dismentling of screw hoisting system consisting of gear/ screw rod, padestal stool, top plate, bottom plate, G.M/C.I bush, operating wheel etc for repairing/replacement of gates and staking suitable place or as per direction of E.I.C. The cost includes cost of man power employed for dismantling, hire charges of tools & tackles, scaffolding and safety equipments etc including carriage loading & unloading

above 150 mm. thick

Hire and Labour charges for shuttering with centreing and necessary staging upto 4m using approved stout props and thick hard wood plank of approved thikness of required bracing for concreat slabs, beam and columns lintels, curve or straight including fitting fixing and striking out after completion of work (upto roof of ground floor) (a) 25mm. to 30mm. thick wooden shuttering as per decesion & direction of Engineer in charge.

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevent IS code.(i) With local hard blackstone variety chips (crusher broken)

Fabrication, supply, erection and commissioning of embeded parts consisting of hinge bracket with its accessories for vertical flap gate shutter of distributories/branch canal/minor canal/channel made of MS material consisting of angle, channel, beam, plate, flat, etc. conforming to IS : 2062 -2011/latest revision manufactured as per approved drawing and direction of Engineer in charge. The cost includes cost of Materials, Machinaries , Manpower, Cutting, Aligning, Anchoring, Welding, Finishing, Consumables, Carriage and all overheads with all leads and lifts complete as per specification (without painting)

Fabrication , Supply, erection and commissioning of new Mild steel flap type regulator service gates of Distributories /BranchCanal /Minor Canal/Channel as per IS: 5620 - 2000/Latest Revision consisting of skin plate, vertical and horizantal grider, stiffener etc. made of MS material consisting of angle , channel, beam, plate, flat, etc. conforming to IS : 2062 -2011/latest revision manufactured as per approved drawing and direction of Engineer in charge. The Cost includes cost of Materials, Machinaries , Manpower, Cutting, Aligning, drilling, Welding, Finishing, Consumables, Carriages and all overheads with all leads and lifts complete as per specification (without painting).

i) Width of Gate shuteer size upto 2 metre