Karnataka Urban Water Supply And Drainage Board Tender

Earth work excavation for pipeline trenches (except building works) including depositing on bank up to a lead of 30 meters including danger lighting and using sight rails and boning rods at every 100mtr . Wherever a directed in the following strata. In all soils. " 0 to 2 Mtr depth 1x240x1.20x1.60 = 460.80 Cum " c). Hard Rock by Chistelling - 10%= 46.08

Manufacturing, providing, transporting, rolling, lowering, laying & Jointing, testing,commissioning of ERW (Electric Resistance Welded) / SAW (Submerged Arc Welded) MS pipes(Fe-410 grade) conforming to IS 3589-2001with latest amendments including perfect linking and welding of joints to correct position including cost and conveyance of pipes and materials with alllead and lift, cost of all labour and giving satisfactory hydraulic test as per IS 3589-2001 with latest amendments for test pressure and working pressure both at factoryand site etc complete asper detailed specifications with inside CM 1:1.5 lining of minimum 10 mm thickupto 610 mm OD & minimum 12mm thick beyond 610 mm OD and out side minimum 25 mm thick coating in CM 1:3 over 50 x 50 mm weld mesh of 13 gauge, including loading and unloading of pipes for the following diameters and specified thickness of plate as noted below,including bailing out of water wherever necessary. (Contractor will make his own arrangeme nt for procuring water for testing). 323.90 dia 6.40 mm thick

Supplying valves of Board approved make conforming to relevant ISS with latest amendments as detailed below of following diameters and types and conveying to work site, loading, unloading, stacking etc., complete with all lead and lift and fixing of CI Valves The rate is inclusive of cost of Bolts and Nuts- 300 mm CI Sluice valve Class 300

"Manufacturing, providing, transporting, rolling, lowering, laying and jointing, testing and commissioning of MS specials of minimum 8 mm thick conforming to IS 7322:1985 with latest amendments, perfect linking and welding of joints to correct position including cost and conveyance of materials with all lead and lifts, cost of 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 coats 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 minimum 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 pipes for the following category to suit PSC/ MS/ CI/ AC/ DI/ PVC pipes. The weight of the MS shell only be 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). Provision towards linking of existing 200 mm dia HDPE pipe and proposed HDPE Pipe line with MS Specials and Linking of existing distribution network. "

"Refilling pipeline trenches and foundation with selected available earth from trench excavation and foundation including watering, consolidation in layers of 15 cms., thickness including disposing off the surplus earth with all lead and lifts. "

KSRB 4-1.1: Providing and laying in position plain cement concrete of mix 1:2:4 with OPC cement @ 240kgs, with 40mm and down size graded granite metal coarse aggregates @0.878cum and fine aggregates @ 0.459cum machine mixed, concrete laid in layers not exceeding 15 cms. thick, well compacted, in foundation, including cost of all materials, labour, HOM of machinery, curing complete as per specifications.