WBIW/EE/MED/e-NIT-22/2025-26 (SL 09)

Taking out old existing unservicable damaged gate shutter of canal/river ompletely 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 as directed by the Engineer in charge upto a lead of 1000 m. The cost includes cost of man power employed for dismantling and tha cost consumables like oxygen, accytelene gas, welding rod, hire charges of machineries, like chain pully block,gas set grinding machine, welding set, tools & tackles, scaffolding and safety equipments etc including carriage loading & unloading.The cost of complete dismantling of hoisting system & cost of old unservisable materials handed over to departmental godown including loading & unloading will be provided extra. Gate shutter size above 4.00 sq.m upto 8.00 sq.m

Fabrication, Supply, erection and commissioning of new Flap/Fall board shutter of canal/river 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 including 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). Width of Gate shutter size upto 4 metre

Fabrication, supply, erection and commissioning of embeded parts consisting of hinge bracket with its accessories for vertical flap gate shutter of distributories/branchcanal/ minor anal/channel made of MSmaterial 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).

Supply, installation, testing and commisioning of following items for hoisting system and gear box as mentioned below as per direction including cost of Materials, Machinaries, Manpower, Cutting, Machining, Aligning, Anchoring, Welding, Finishing, Consumables, Carriage and all overheads with all leads and lifts complete as per specification (without painting) (Supply of steel frame for supporting sheave pulley fabricated with MS channel, angle, plate, shaft for flap gate link mechanism, lock nut, ss pin etc.)

Cast steel

Shaft /Pin with key ways made of Forge steel

Bush(GM)

Fabrication , Supply, erection and commissioning of embeded parts consisting of hinge bracket with its accessories for vertical flap gate shutter of distributories/branchcanal/ minor anal/channel made of MSmaterial consisting of angel, 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).

Surface cleaning of metal surfaces by chemical cleaners and then by hand with emary paper,wire brush and power tool cleaners and removing dust and preparation o f surface including cost of all materials, labour, achinery, scaffolding, etc., complete with initial lead for sand upto 1 km and all lifts.

Painting of embedded parts, all types of gates, stoplogs and barscreen/gratings etc on prepared surfaces with one coat of inorganic zinc silicate primer (airless s p r a y preferred)70+/ - 5 micron and two super coats with a total thickness of 300 microns (each 150+/- 5) of solventless coaltar epoxy paint each coat 150 microns ( total 300 microns) including cost of all materials, labour, scaffolding etc., complete with all leads and all lifts.

Cost for repairing of vertical/flap gate shutter of canal/river including dismantling the damaged portion at lower part (skin plate, horizental/vertical girder/stifner etc as per IS : 2062 - 2011 /latest revision) not more than 25%of gate hight from bottom by gas cutting and fitting, fixing and fabricated by welding as per direction including 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). Width of Gate shuteer size upto 2 metre.

Painting hoist structural components, tressle bridge ,crane, lifting beam, cat work bridge and other similar structure on prepared surfaces with two coats of zinc phosphate primer (airless spray preferred) 40 microns/coat and followed by two coats of synthetic enamel paint 25 microns/coat including cost of all materials, labour, scaffolding etc., complete with all leads and all lifts.