Bengaluru Water Supply And Sewerage Board Tender

code04 - Providing and fixing DI Resilient seated soft sealing SLUICE VALVE of variouis dia. with body bonnet of Ductile Iron (DI) conforming ti IS-1865 with the latest amendments 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 with the latest amendments only. The stem sealing should be with toroidal sealing rings (minimum 2 " O " rings). Body and bonnet 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. For PN-10: (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.) etc. complete . For sluice Valve of PN 16.0 & 300mm dia

code05 - 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 50m, and lift upto 1.50m, Including cost of all labour complete as per specifications .

code06 - Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specifications including premixing the Materials with water at OMC in Mechanical Mix Plant carriage of Mixed Materials by tipper to site, laying in Uniform layeras with Paver in Sub base / Base course on well prepared surface & compacting with Vibratory roller to achieve the desired density complete as per Specifications MORTH Specifications

code07 - Providing & applying Primer coat with SS1 grade Bituminous emulsion on prepared surface of granular base including cleaning with mechanical broom of road surface & spraying primer at the rate of 0.90 Kg per Sqm using mechanical means.

code08 - Providing & Applying tack coat with RS1 Bituminous Emulsion using emulsion pressure distributor at the rate of 0.20 Kg/sqm on the prepared bituminous surface cleaned with mechanical broom

code09 - Providing & laying Dense graded bituminous macadam with 100 TPH capacity hot mix plant batch type using crushed aggregates of specified grading, premixed with bituminous binder VG 30 @ 4.0 percent 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.

code10 - Providing & Laying Bituminous concrete with 100 TPH capacity hot mix plant batch type using crushed aggregates of specified grading premixed with bituminous binder VG-30, @ 5.4% 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.

code11 - Dewatering the sewage/storm water by using required HP submersible pump for the diversion of storm/sewage during the execution of work. Considering for One Pump

code12 - 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: 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 etc. complete. Pipe bends,branches, tail pieces, reducers etc. for upto 500mm dia pipes. For Linking Portion