Bengaluru Water Supply And Sewerage Board Tender

No.4 - For 200mm dia DI pipe

No.5 - Providing and fixing DI Resilient seated soft sealing SLUICE VALVE of various dia. with body bonnet of ductile iron (DI) conforming to IS- 1865 and of grade GGG 40/50, shaft of stainless steel, wedge fully rubber lined with EDPM seals of NBR and the valves should be vacum tight and 100% leak proof with face to face dimensions as per IS 14846-2000 only. The stem sealing should be with toroidal sealing rings (minimum 2 “ O “ rings). Body and bonut should be coated with Electrostatically applied Epoxy Powder Coating with minimum coating thickness of 250 micron both inside and outside. The rate is inclusive of cost of valves, T.P set, galvanized bolts & nuts and rubber insertions etc. but excluding earth work. (Note: TP set should be considered only for DI pipes estimate. For MS pipes estimates, TP sets cost of corresponding dia shall be deducted from the SR rates of valves and provision for corresponding dia MS flanges should be made in the estimate.) Sluice Valve of PN-16.0 and 150 mm

No.6 - Sluice Valve of PN-16.0 and 200 mm

No.7 - Providing and fixing DI MJ specials such as branches and bends suitable for DI K7 and K9 pipes and CI LA class pipes, as per IS 13382 with latest amendments with complete accessories and fixing at site excluding earth work but including loading, unloading, freight charges etc. complete for: DI MJ specials - collar 150mm dia.

No.8 - DI MJ specials - collar 200mm dia.

No.9 - Providing Ductile Iron Push on special confirming to IS 9523:2000 150mm diameter 90 deg

No.10 - 150mm diameter 22.50deg

No.11 - 150mm diameter 11.25deg

No.12 - 200mm diameter 90deg

No.13 - 200mm diameter 22.50deg

No.14 - 200mm diameter 11.25deg

No.15 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All D.I. Flanged Socketed, D.I. Flanged Spigot, MS End Plates D.I. Flanged Socketed 150.00 mm

No.16 - D.I. Flanged Socketed 200.00 mm

No.17 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All Socketed D.I. Un-Equal Tees 250mm X 150mm

No.18 - 300mm X 150mm

No.19 - 300mm X 200mm

No.20 - 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

No.21 - Providing and applying primer coat with SSI grade Bitumen Emulsion on prepared surface of granual base including cleaning of road surface and spraying primer at the rate of 0.70 kg per m2 using mechanical means. as per MORTH specification No.502 A

No.22 - Providing and laying Dense Graded Bituminous Macadam with 40/60 TPH capacity HMP using crushed aggregates of specified grading, premixed with bituminous binder VG-40, @ 4.5 per cent by weight of total mix and filler, transporting the hot mix to work site, laying with mechanical paver finisher to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH specification clause No. 505 complete in all respects.

No.23 - Providing and applying tack coat with RS1 Bituminous Emulsion using emulsion pressure distributor at the rate of 0.25 kg/m2 on Granular Surface as per MORTH specifications No.503

No.24 - Providing and laying Bituminous Concrete with 120 TPH capacity hot mix plant batch type using crushed aggregates of specified grading, premixed with bituminous binder VG-30 @ 5.2 per cent of mix and filler, transporting the hot mix to work site, laying with mechanical paver finisher to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 507 complete in all respects

No.25 - Refilling available earth around trenches/pipelines, cables in layers not exceeding 20 cms in depth, compacting each deposited layer by ramming after watering with a lead upto 50 m , and lift upto 1.5 m. Including cost of all labour complete as per specifications

No.26 - Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver/grader in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density complete as per specifications MORTH specifications No.406