Bengaluru Water Supply And Sewerage Board Tender

code04 - Providing and laying Ductile Iron pipes of class ----- conforming to IS 8329:2000 with latest amendments, conveyiing 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 at both 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 ofall 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 Annexure B clause 16.3 of IS8329:2000 is considered in place of Slag or Sulphate Resistance Cement ( SRC ), thecost of pipes may be increased by 5-6% from the prices listed. 300mm dia

code05 - 100mm dia

code06 - Supplying & fixing of DI Resilient seated soft sealing sluice valve with body, bonnet of ductile Iron of grade GGG50, Wedge fully rubber lined with EPDM & seals of NBR and the valves should be vacuum tight and 100% leak proof with face dimensions as per BS 5163 -89/ IS 14846 -2000 / DIN 3202 F4/ F5. The stem sealing should be with toroldal sealing rings (Minimum 2 “O”-rings). All the valves should be with Electro static power coating both inside and outside with pocket less body passage. The rate is inclusive of cost of valve, T.P.Set, bolts & nuts and rubber insertions, excluding earthwork 300mm dia

code07 - 100mm dia

code08 - Providing, fabrication, supply & fixing at site of various diameter MS MJ Ends to suit CI/DI pipes as per sketch. The cost is inclusive of all materials rubber 'O' ring, flanges, bolt & nuts,labour, consumables, hire charges for tools & tackles, welding equipment complete as per instructions of the Engineer in charge 300mm dia

code09 - 100mm dia

code10 - Providing, fabricaing 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 300mm dia MS Flange 20mm thick

code11 - 100mm dia MS Flange 10mm thick

code12 - 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

code13 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work Pipe Volume 0.785*0.339*0.339*1000 + 0.785*0.110*0.110*200 =94.00m3

code14 - Manufacturing, providing, transporting, rolling, lowering, jointing and commissioning of MS specials of minimum 8 mm thick confirming 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 50 x 50mm weld mesh including loading and unloading of pipes for the following category to suit PSC/MS/CI/AC/DI/PVC pipes. The rates are inclusive of all taxes and duties. 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) L/S (for linking,bends, braches etc)

code15 - Providing and laying Bituminous macadam with 100tph capacity hot mix plant batch type using crushed aggregates of specified grading premixed with Bituminous binder VG-30 @ 3.3% by weight mix, transported to site, laid over a previsly prepared surface with mechanical poaver finisher to the req grade, level and allignment and rolled as per clauses 501.6 and 501.7 to achieve desired compaction. 500 * 1.25 * 0.05 + 100 * 0.80 * 0.05 = 35.25

code16 - 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 1:5:10 Using 40 mm nominal size graded crushed coarse aggregates 500 * 1.25 * 0.05 + 100 * 0.80 * 0.10 = 39.25

code17 - Providing and applying primer coat with SS1 grade Bitumen Emulsion on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.90kg per m2 using mechanical means (500 x 1.25) + (100 x 0.80) = 705.00

code18 - Providing and applying tack coat with RS1 Bituminuous Emulsion using Emulsion pressure distributor at the rate of 0.25 kg/m2 on the prepared bituminuous surface cleaned with mechanical broom Tack coat on granular surface treated with primer. (500 x 0.70) + (100 x 0.70) = 420.00

code19 - Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mixplant 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.Qty vide item 1 + Qty vide item 2