Providing regulator and shutter arrangements in Sethilpakkam Maduvu, Panjali Maduvu, Paleswaram Anicut, Head Sluices in Chinnambedu, Arani Supply Channel in Gummidiponndi Taluk, Medur Inlet, Plug Shutters for Kumarsirulapakkam Tank, Aladu Tank in Pon

Dismantling of existing old corroded vertical gates from its respective groove portion by the following process. The gates shall be made to rest on the sill portion. Lifting rod shall be released from the shutter by removing the pin from the A Frame. The shutter shall be cut out into pieces with gas cutting equipment. Then the cut pieces shall be carried from vent portion using a crane and then transported to the department store through trucks and stacked as directed by the departmental officers. The cost includes cost of consumables like oxygen gas & LPG, grinding wheels, oil, diesel & lubricants for generator, labour charges for dismantling, lifting, loading, unloading & stacking, hire charges for crane, lorry, machinery like cutting equipment, grinding machine & generator, etc., complete complying with standard specifications and as directed by the departmental officers

Fabrication, supply & erection of scour vent shutters of size 2500 x 1550mm as per IS 4622:2003. The skinplate shall be made of 12mm thick MS plate, horizontal girder with ISMB 200, top channel ISMC 200 with diaphram & cover plate with 12mm thick. The wheels shall be made of cast steel of 300mm Ø and wheel pin with 80mm Ø. Side rubber seal shall be of 'P' type with side seal cover plate of 55x10mm thick. The bottom rubber seal shall be 10mm thick and of flat type. Lifting plate shall be 16mm thick. Blast cleaning to SA 2 1/2 standard over which epoxy primer to a thickness of 40 to 60 µ and final coat of coal tar epoxy of 250µ shall be applied as per IS 14177-1994. The cost includes cost of materials, cost of consumables like welding rods, grinding wheels, oxygen & acetylene gas, oil & diesel for generator, process charges like gas cutting & welding, drilling, hire charges for machinery like gas cutting plant, welding equipment, magnetic drilling machine, generator, grinding machine, compressor, airless spray machine, hoisting equipments like chain pulley block, derrick post, labour charges for loading, lifting, unloading, transport erection, scaffolding, conveyance to site and clearing them after completion of work, warranty for 5 years except protective coatings, rubber seal, etc., complete complying with standard specifications and as directed by the departmental officers

Overhauling of worm gear box to the canal sluice shutters as per the following specification. The worm gear box comprising of worm nut and worm screw which shall be opened up and cleaned & matched properly. Then requisite oil & grease shall be applied for efficient operation. The thrust bearing & oil seal shall be checked and then reused after cleaning & oiling. The worm nut shall also be checked if its wornout & then used. The cost includes cost of materials, labour charges, cost of servicing, tools & plants, cost of consumables like grease & oil, transport, etc, complete complying with standard specifications and as directed by the departmental officers

Fabricating, Supplying and erection of Screw gearing steel shutters of size above 1.00 m and upto 2.00m width consist of skin plate made out of 8mm thick mild steel plate and horizontally stiffened with 100x50mm mild steel channel at an interval not more than 0.50m and vertical stiffeners made out of same section at an interval not more than 0.60m and provided with 8mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Conveying the fabricated shutter by using lorries including loading, unloading and leading the shutter to the vent. Dismantling the eroded shutter and shuttering arrangements by using necessary gas cutting equipment. Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipment. The shutter shall be painted with two coats of Anticorrosive black paint over one coat of Red Oxide Primer. The rate including cost of materials consumables, labours power charges, conveyance charges for all equipment required conveying the dismantled materials to the section stores, cost of petty civil works, trial operation of shutter and warranty for 5 years etc., complete complying with standard specifications and as directed by the departmental officers

Fabricating, supplying and fixing of 63mm dia Screw Rod made up of Mild Steel duly machined and fully threaded to suit the Head set Assembly and provided with required holes. Conveying and leading the screw rod to the worksite. Fixing the screw rod to the shutter gusset plate with required bolt and nut in proper alignment to the head set including dismantling the existing damaged screw rod,conveying and stacking at section store. The Screw rod should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for all fabricating and hoisting equipments, conveyance charges for labours and materials and warranty for 5 years etc., complete complying with standard specifications and as directed by the departmental officers

Fabricating, supplying and fixing of Shutter Groove Angle made up of 65x65x6mm Mild Steel angle for required height including welding hold fast of size 25x25x6mm Mild steel angle 2 Nos on both sides and conveying and leading the groove angle to the vents. Fixing the angle to the grooves in proper alignment including dismantling the existing damaged groove angles, conveying and stacking at section store. The groove angle should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, consumables, labours charges for all fabricating and hoisting equipments, conveyance, petty civil works and warranty for 5 years etc., complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing of Head Set Assembly medium duty with hexagonal nut (Approximate 70 Kg) made up of cast iron including moulding, machining and the hexagonal nut threaded to suit the Screw Rod provided with thrust bearings for smooth operation. Conveying and leading the head set assembly to the work site. Fixing the head set assembly to the top beam by using required rust fre bolts and nuts in proper alignment including dismantling the existing damaged Head set assembly, conveying and stacking at sectio store. The Head set assembly supplied with operating key and the both should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours charges for wooden pattern, moulding and charges for labours and materials and warranty for 5 years etc., complete complying with standard specifications and as directed by the departmental officers

Fabricating, Supplying and fixing of Top Beam made up of 200x100mm (ISMB 200) duly drilled to suit the Head Set Assembly with required bed bolt made out of 25mm mild steel round rod duly threaded with suitable anchorage arrangements to a height of 0.60m with necessary Fish plate made out of 16mm mild steel plate of size 0.20x 0.30m 2 Nos with required holes. Conveying and leading the top beam arrangements to the work site. Fixing the top beam arrangements at the top of the vent in correct position including dismantling the existing eroded top beam, conveying and stacking and the section stores. The top beam should be painted with two coats of AC black paint over one coat of Red Oxide primer. The Rate including cost of materials, labours, charges for all fabricating and hoisting equipments, cost of petty civil works conveyance charges for labours and materials and warranty for 5 years etc.., complete complying with standard specifications and as directed by the departmental officers

Fabricating, supplying and fixing of steel paddle shutter of various sizes made up of 6mm MS plate stiffened with 50x50x6mm MS angles connected with a stem made up of 65x65x6mm angle providing with holes for locking. The stem handles made with 20mm MS plain rod 'U'clamp for locking arrangement made of 65x8mm MS plate and locking bar made up of 50x8mm MS plate The rate inclusive of transport, loading unloading at site and dismantling the old shutter convey it to the section store, painting the new shutter with one coat of Red Oxide and inclusive of all taxes and central excise duty etc., complete complying with standard specifications and as directed by the departmental officers

Providing Composite plug of size 220mm dia at top and 90mm dia at the bottom and 415mm long made up of composite material, machined to a spherical size. The composite plug has high strength to weight ratio, ease in handling and should not warp or crack and has a long life without deterioration even if it under water most of the time. It shall be made of 5mm composite skin and the bottom of the plug shall be solid FRP of 25mm thick. This plug assembly shall be made in sandwich construction. A pair of composite angle 50x50x6mm of length 300mm shall be impregnated inside the composite plug for 50mm and suitable holes of dia 16mm are made in it. The lifting mild steel rod is connected in-between the composite angle through 5/8" Ms bolt & nut. The Plug can be adjusted with a handle made with 35x35x4mm composite angle of length 450mm. Top channel shall be provided with pair of 100x50mm Composite Channel of appropriate length shall be made together in a single mould with a connecting end channel with spacing of 115mm in between. The stiffeners shall be 45x85x6mm provided at several points appropriately along the length of the channel on both sides to withstand the loading conditions. Holes of dia 16 mm are provided at the ends of the connecting ends of the channel at both sides. A foundation bolt with 16mm rod of length 250mm shall be provided in the holes in the spacers. The bottom of the foundation bolt shall be to be buried in concrete and the top threaded portion shall be provided with a nut to hold the beam firmly to the ground. A rod of appropriate size shall be selected to match the hole in the existing guide stone. The rod of required length shall be threaded and welded to the extension pipe of appropriate length depending on the height of the top stone from the sill. A light duty composite headset with hexagonal nut shall be machined to suit the screw rod. The composite headset shall be fixed on the top channel appropriately with 5/8" bolts & nut and rod operates in the hexagonal nut with key. The hexagonal nut shall be provided with 12mm steel balls that seats on a nylon ring with grease for ease of operation. The rod shall be lubricated with lubricant oil for smooth operation. The cost includes cost of mould, pattern and fixtures, cost of raw material like UV stabilized polymers, multi directional glass fiber reinforcements, hardeners, UV stabilized pigment, core material, & fumed silica powders, cost of consumables like rollers, brushes, gloves, sanding sheet, acetone, grease, buffing, grinding & cutting wheels, cost of tools like aluminium paddle rollers, squeegees, fibreglass scissors, measuring beakers, agitators, cost of release agent like, cleaner, sealer, releaser, wax, labour charges for pattern & mould work, hand layup, cutting, grinding, finishing, drilling, machining, loading, unloading, transport, erection, hire charges for equipments like air compressors, pneumatic tools, gelcoat spray gun, conveyance to site and clearing them after completion of work, including cost of trial operation, warranty for 5 years, etc., complete complying with standard specifications and as directed by the departmental officers