Special Repairs to Tirunelveli Channel of Tirunelveli Taluk of Tirunelveli District

Fabricating, supplying and erection of Screw Gearing steel shutters of size 1.00 m x 1.50 m with consists of skin plate made out of 8 mm thick mild steel plate and horizontally stiffened with 100 mm x 50 mm x 6 mm steel channel (ISMC) at an interval of not more than 0.5 m and vertical stiffeners made out of same section at an interval not more than 0.5 m and provided with 8 mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Groove Channels of ISMC 65 mm x 65mm x 6mm mild steel angle for required height including welding hold fast of size 40 mm x 40 mmx 6 mm mild steel angle 3 numbers on both sides. providing of 50 mm dia screw rod made of mild steel duly machined and fully threaded to suite the Head set assembly with required height and required holes. Fixing the screw rod to the shutter gusset plate with required bolts and nuts in proper alignment to the Head Set. Providing of Top Beam made up of 150 mm x 75 mm x 6 mm (ISMB 150) duly drilled to suite the Providing Head Set assembly with required bed bolts made out of 25 mm mild steel round rod duly threated with suitable anchorage arrangements to the height of 0.6 m with necessary fish plate made out of 16 mm mild steel plate of size 0.2 m x 0.3 m 4 numbers with require bolts. Providing Head set assembly medium duty with Hexagonal nut (approximate 50 kg) made up of cast iron including moulding, machining and Hexagonal nut threaded to suit screw rod provided with thrust bearings for smooth operation. The whole shutter assembly should be painted with two coats of anti-corrosive black paint over one coat of red oxide primer paint. Erecting Shutter including cr+D8ane hire charges (As per SR p .257) The rate is inclusive of all materials, labour charges including Lathing, Drilling, Welding, Gas cutting, Hydraulic bend removing of M.S. rod, hire charges of Crane and also inclusive of cost of covering plate, Foundation bolts, all bolt and nuts, conveyance to this site, Loading and unloading charges, Grease packing, Lubricating oil, Operating key, Locking arrangement and checking the Shutter operation etc., inculuding the cost of old retrivable materials complete as directed by the Departmental Officers. B6

Earth work excavation deploying Earth Moving Machineries for desilting channel having a width of more than 10 m and forming bund on eitheir side and depositing the earth on banks including jungle clearence etc., complete. As directed by Departmental officers

GST 18% in Figures