Special Repairs to Kottakulam dividing arrangements in Chengam Taluk of Tiruvannamalai District.

Fabricating, supplying and erection of Screw Gearing Steel Shutters of size above 1.00m and up to 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 shuttring arrangements by using necessary gas cutting equipments. Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipments. 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 equipments 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.

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 dismantlng the existing damaged groove angle, conveying and stacking at section store. The groove angle should be painted with two coats of AC black paint over one cost 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.

Supplying and fixing of Head Set Assembly medium duty with hexagonal nut (Approximate 70kg) 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 material, labour charges for wooden pattern, moulding and charges for labours and materials and warranty for 5 years etc., complete.

Pointing with cement mortar 1:3 (One cement and three sand) to full depth including finishing, watering, curing etc., complete complying with standard specifications and as directed by the departmental officers (Flush pointing)

Random Rubble Masonry in Cement Mortar 1:4 (One part of cement and four parts of sand0 using new hard granite stones and bond stones including simultaneous pointing with same mortar on the exposed surface and all incidential charges, bailing out of water, watering, finishing, curing, etc., complete complying with standard specifications and as directed by the departmental officers.

GST 18% in Figures