Special repair to shutter in Tandurai Tank in Tandurai Village of Avadi Taluk in Thiruvallur District.

Fabricating, Supplying and erection of Screw gearing steel shutters of size above upto 1.00 m width consist shutters of skin plate made out of 8mm thick mild steel plate and horizontally stiffened with 65x65x6mm mild steel Angle 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 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.

Fabrecating supplying and fixing of shutter Groove Angle made up of 65 X 65 X 6mm Mild Steel and angle for reguired 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 groove in proper alignment including dismantling the existng damaged groove angles, conveying and stacking at section store. the Groove angle should be painted with two coats of Anticorrosive black paint over the one coat of red oxide primer. the rate including cost of materials, consumables, labours, charges for fabrecatig and hoisting equipments, conveyance, petty civil works and warranty of 5 Years etc., complete.

Fabrecating supplying and fixing of Top Beam made up of 150 X 75 mm (ISMB 150) duly drilled to suit the Head set assembly with required bed bolt made out of 25 mm Mild Steel Round rod duly Threaded with suitable anchorage arrangements to a height of 0.60 m with necessay Fish plate made out of 12 mm Mild Steel Plate of size 0.30X 0.15m 2 Nos with required holes. Conveying and leading the top Beam Arrangements to the worksite. fixing the top beam arrangements at the top of the vent in correct position including dismantling the existing eroded top beam, conveying and stacking at the section store. The top beam should be painted with two coats of anticorrosive black paint over one coat of red oxide primer. the rate including cost of materials, labours, charges for all fabrecatig and hoisting equipments, cost of petty civil works conveyance charges for labours and materials and including all other taxes etc., complete.

Fabrecating supplying and fixing of Horn Type Head Set Assembly Medium duty (approximate 50 Kg) consist of the bottom and top made up of cast iron including moulding, machining and the hexagonal nut made up of gunmetal 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 assebly to the top beam by using required urst free bolts and nuts in proper alignment including dismantling the existing damaged Head Set assembly, conveying and stacking at section store. The Head Set assembly supplied with operating key and the both shouldbe palated with two coats of anticorrosive black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for wooden pattern, moulding and charges for all machining equipments, conveyance charges for labours and materials and warranty of 5 Years etc., complete.

Fabrecating supplying and fixing of 50mm dia Screw Rod made 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 top with required bolt and nut in proper alignment to the head set including dismantling the existing damaged screw rod, conveying and including at section store. The Screw rod should be painted with two coat of anticorrosive black paint over one coat of red oxide primer. the rate including cost of materials, labours, charges for fabrecatig and hoisting equipments, conveyance charges for labours and materials and warranty of 5 Years etc., complete.

GST 18% in Figures