Bengaluru Water Supply And Sewerage Board Tender

No.4 - 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 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 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 separately) 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 resistance Cement ( SRC ), the cost of pipes may be increased by 5-6% from the prices listed. For DI K9 pipes: 100mmdia

No.5 - Providing and fixing DI Resilient seated soft sealing SLUICE VALVE of various dia. with body bonnet of Ductile Iron (DI) conforming it 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 vacuum 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 diameter shall be deducted from the SR rates of valves and provision for corresponding diameter MS flanges should be made in the estimate.) etc. complete For sluice Valve of PN 16.0 and 150mm

No.6 - Providing and fixing DI Resilient seated soft sealing SLUICE VALVE of various dia. with body bonnet of Ductile Iron (DI) conforming it 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 vacuum 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 diameter shall be deducted from the SR rates of valves and provision for corresponding diameter MS flanges should be made in the estimate.) etc. complete For sluice Valve of PN 16.0 and 100mm

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 Providing Ductile Iron push on special confirming to IS 9523 : 2000 -DJ MJ specials - Bend 150 x 90 degree

No.8 - Providing Ductile Iron push on special confirming to IS 9523 : 2000 - 150mm diameter 45 degree

No.9 - Providing Ductile Iron push on special confirming to IS 9523 : 2000 - 150mm diameter 22.50 degree

No.10 - Providing Ductile Iron push on special confirming to IS 9523 : 2000 - All DI MJ specials - Collar 150mm diameter

No.11 - Providing Ductile Iron push on special confirming to IS 9523 : 2000 - DI MJ specials - Collar 100mm Diameter

No.12 - Providing Ductile Iron push on special confirming to IS 9523 : 2000 - DI MJ specials - Branch 150 x 100mm

No.13 - Providing Ductile Iron push on special confirming to IS 9523 : 2000 - DI MJ specials - Branch 100 x 100mm diameter

No.14 - Providing Ductile Iron push on special confirming to IS 9523 : 2000 - Socketed DI Equal Tees - 100 x 100x 100mm diameter

No.15 - Providing Ductile Iron push on special confirming to IS 9523 : 2000 - DI MJ specials - Bend 100 x 90 degree

No.16 - Providing Ductile Iron push on special confirming to IS 9523 : 2000 - DI MJ specials - Bend 100 x 45 degree

No.17 - Providing Ductile Iron push on special confirming to IS 9523 : 2000 - 100mm x 22.50 degree

No.18 - 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, i.e, rubber 'O' rings, flanges, bolts and nuts, dummy plates, consumables, hire charges, tools and welding equipment, lead and lifts, etc. complete as per the instructions of Engineer in charge Providing Ductile Iron push on special confirming to IS 9523 : 2000 - All DI Flanged Socketed, DI Flanged Spigot, MS End Plates 150.00 mm

No.19 - 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, i.e, rubber 'O' rings, flanges, bolts and nuts, dummy plates, consumables, hire charges, tools and welding equipment, lead and lifts, etc. complete as per the instructions of Engineer in charge Providing Ductile Iron push on special confirming to IS 9523 : 2000 - All DI Flanged Socketed, DI Flanged Spigot, MS End Plates 100.00 mm

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

No.21 - Wet Mix Macadam (Plant mix method) 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

No.22 - 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 0.70 kg per m2 using mechanical means.

No.23 - 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-30 @ 3.3% by weight of mix, transported to 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

No.24 - Removal of Unserviceable Soil with Disposal up to a suitable distance as directed by the Engineer in charge of work

No.25 - 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 including cost and conveyance of materials with all lead and lifts, cost all labor 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 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 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 epoxy 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 up to 500mm diameter pipes

No.26 - 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 Rubble stone masonry in cement mortar

No.27 - Providing Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with: Cement mortar 1:6 (1 cement :6 coarse sand)