Tungabhadra Board Tender

Improvements to main pipeline;Lowering, laying, jointing and commissioning of ERW (Electric Resistance Welded)/ SAW (Submerged Arc Welded) MS pipes of Outer dia , including perfect linking and site welding of joints to M.S pipes after cleaning the surface including removing rust, millscales by using standard welding rod conforming to IS 6419 to correct position and giving satisfactory hydraulic test as per IS 3589-2001 at site as per detailed specifications for the following diameters as noted below, including bailing out of water wherever necessary including cost of all labour etc. complete. M.S pipe 273.1mm dia

Improvements to main pipeline;Providing, fabricaing, supplying and fixing at site various diameters of MS Flanges as per IS standards to fix sluice valves as per sketch. The rate to include cost of all materials, labour, consumables, hire charges for tools and tackles, weldiing equipments etc. complete as per instructions of the Engineer in charge for:Flanges of 300mm dia and 20mm thick

Improvements to main pipeline;Providing coal taring two coats to the outer surface of M.S pipes as per AWWA specifications including the cost of coal tar etc.complete for M.S pipes of 273 mm dia..

Improvements to main pipeline;Manufacturing, providing, transporting, rolling, lowering, laying, jointing & testing and commissioning of MS specials of minimum 8mm thick such as bends, tail pieces, reduces etc. conforming to IS-7322:1985 with latest amendments and including perfect linking and welding of joints to correct position includng cost and conveyance of materials with all lead and lifts, cost all labour and giving satisfactory hydraulic test as per IS:3589:2001 with latest amendments for test pressure and working pressure both at factory and site etc. complete as per detailed specifications with inside lining two coat of food grade epoxy painting of approved make with each coat of 250 micron thick (after dry) over one coat of food grade epoxy primer of approved make with minium of 50 micron thick (after dry) and outside 25mm thick coating in CM 1:3 by providing 50x50mm weld mesh including loading and unloading of the pipes for the following category to suit PSC / MS / CI / AC / DI / PVC pipes. The weight of MS shell only by considered before lining and coating for arriving at the rate. The thickness of plate will be specified by the engineer. (Contractor will make his own arrangements for procuring water for testing) for:Pipe bends,branches, tail pieces, reducers etc. for upto 500mm dia pipes Note:1) For small works where the C.M. lining is not practicable for inside surface of the pipe, food grade expoxy painting of two coat over one coat of epoxy primer may be proposed and got approved. 2) The above rates are applicable only for pipe works

Improvements to main pipeline;Supply and delivery at site brand new best make pressure guage suitable for centrifugal pump confirming to latest IS standards.Pressure guage 100MM.

Improvements to main pipeline;Supply and fixing of ductile iron double flanged swing check vavles with slanted seat or with lever weight with straight disc, with metallic corrosion proof and wear resistant seat faces with nickel overlay micro - finished/ Integral seat with body and disc in Ductile Iron in GGG 40/50 shaft of stainless steel and bearings of zinc free bronze and surface protection with epoxy liquid of GSK quality. For PN 16 _300 mm dia