Bengaluru Water Supply And Sewerage Board Tender

no4 - Providing and laying Ductile Iron pipes of class conforming to IS 8329:2000 with latest amendments, conveying to work site, rolling and lowering into trenches, laying true to line, level and perfect linking at joints, testing and commissioning, including loading and unloading atboth destinations, cutting of pipes wherever necessary, jointing with DI specials (excluding cost of specials) and rubber gaskets, cleaning the socket and spigot end with soap solution, applying soft soap to the socket and spigot ends before insertion of rubber gaskets, jacking and fixing in perfect conditions etc. The cost to include soap solution, soft soap, waste etc. and giving necessary hydraulic test to the required pressure as per ISS with all lead and lifts and cost of all jointing materials. (The contractor will make his own arrangements for water for testing. Earth work excavation in trenches to be measured and paid for seperately) Note: In sewerage projects for internal cement mortal lining ( CML ) of DI pipes, if High Alumina Cement ( HAC ) as recommended in AnnexureB clause 16.3 of IS8329:2000 is considered in place of Slag or Sulphate Resistance Cement ( SRC ), the cost of pipes may be increased by 5-6 percentage from the prices listed. For DI K9 pipes: 100mm dia DI pipe

no5 - 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 bel 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 theSR rates of valves and provision for corresponding dial MS flanges should be made in the estimate.) etc. complete 100mm dia

no6 - Suppling Ductile Iron Push on special confirming to IS 9523:2000. All Socketed Bends 100x11 1/4 inch Bend

no7 - Suppling Ductile Iron Push on special confirming to IS 9523:2000. All Socketed Bends 100x22 1/2 inch Bend

no8 - Suppling Ductile Iron Push on special confirming to IS 9523:2000. All Socketed Bends 100x45 degree Bend

no9 - Suppling Ductile Iron Push on special confirming to IS 9523:2000. All Socketed Bends 100x90 degree Bend

no10 - Suppling Ductile Iron Push on special confirming to IS 9523:2000 - All Socketed D.I. Equal Tees 100 x 100 mm dia Branch

no11 - Providing, fabricating and fixing at site various diameter MS MJ ends with dummy plates (END CAPS) to suit CI / DI spigots end as per the sketch. The cost is inclusive of all materials, ie, rubber 'O' rings, flanges, bolts and nuts, dummy plates, consumables, hire charges, tools and welding equipments, lead and lifts, etc. complete as per the instructions of Engineer in charge.

no12 - Providing and fixing Di MJ specials such as branches and bends suitable for DI K7 and K9 pipes and CI LA 9 class pipes, as per IS 13382 with latest amendments with complete accessories and fixing at site excluding earth wark but including loading, unloading, freight charges etc. For CI/DI pipes of 100mm dia

no13 - Refilling available earth around trenches/pipelines, cables in layers not exceeding 20 cms in depth, compacting each deposited layer by ramming after 10 watering with a lead upto 50 m, and lift upto 1.5 m. Including cost of all labour complete as per specifications

no14 - Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead - Prestressed / RCC grade M-20 & above

no15 - 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 12 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.

no16 - Providing and laying in position Cement Concrete for levelling course for all works in foundation. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed, laid in layers not exceeding 150 mm thickness, well compacted using plate vibrators, including all lead & lifts, cost of all materials of quality, labour, Usage charges of machinery, curing, and all the other appurtenances required to complete the work as per technical specifications. Mix 1:2:4 Using 20 mm nominal size graded crushed coarse aggregates aggregates

no17 - Providing and applying primer coat with SS1 grade Bitumen Emulsion on prepared surface of granular base 14 including cleaning of road surface and spraying primer at the rate of 0.70 kg/m2 using mechanical means.

no18 - Providing and applying tack coat with RS1 Bituminous Emulsion using emulsion pressure distributor at the rate 15 of 0.20 kg/m2 on the prepared bituminous surface cleaned with mechanical broom

no19 - Providing and laying Bituminous Macadam with 120 tph capacity hot mix plant batch type using crushed aggregates of specified grading premixed with bituminous binder VG-40 @ 3.3 perentage by weight of mix, transported to 16 site, laid over a previously prepared surface with mechanical paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction

no20 - 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, 7 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

no21 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the work