Bengaluru Water Supply And Sewerage Board Tender

code04 - Earthwork excavation Depth exceeding 1.5 m, but not exceeding 3 m

code05 - Earth work excavation for pipeline trenches by mechanical means as per drawing and technical specification, including setting out, construction of shoring, strutting, cost of blasting materials, barricading, caution lights, bracing, using sight rails & bonding rods at every 100 mm wherever necessaryas directed, removal of stumps and other deleterious matter, dressing of sides and levelling the bottom of trench to the extent required , utilising the availableexcavated earth locally for the work and all other appurtenances to complete inthe following strata.Hard rock (requiring blasting) Depth upto 1.50 m

code06 - 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

code07 - Spreading of stone dust: Supplying and providing stone dust in the station yard or whereever required including watering, ramming, conslidiating and dressing. the rates includes the cost of the material, labour charges, required tools and plants etc, complete. work shall be carried as per instruction of engineering in charge of works as per standard proceudre

code08 - Dismantling of Flexible pavements and disposal of dismantled materials and stacking serviceable and unserviceable materials separately By Mechanical Means Bituminous course For Asphalt surface/ pavements

code09 - Dismantling of cement concrete pavement by mechanical means using pneumatic tools, breaking to pieces not exceeding 0.02 m3 in volume and stock piling at designated locations and disposal of dismantled materials and stacking serviceable and unserviceable materials separately

code10 - Providing and laying in position Ready Mixed or Batch Mixed concrete as perIS 10262 mix design procedure for Cement Concrete works in all types ofStructures other than Road works, using coarse aggregate and fine aggregatederived from natural sources, Ordinary Portland Cement (OPC) @ 75% & GGBS@ 25% proportion, admixtures to accelerate / retard setting of concrete, toimprove durability and workability without impairing strength; includingpumping of concrete to site of laying, curing, carriage for all leads; but excludingthe cost of centering, shuttering, finishing and reinforcement as per direction ofthe Engineer-in-charge.RMC M10 Grade

code11 - Providing and laying in position Ready Mixed or Batch Mixed concrete as per IS 10262 mix design procedure for Cement Concrete works in all types of Structures other than Road works, using coarse aggregate and fine aggregate derived from natural sources, Ordinary Portland Cement (OPC) @ 75% & GGBS @ 25% proportion, admixtures to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction ofthe Engineer-in-charge.RMC M20 Grade

code12 - D.I.Pipe : Providing and laying Ductile Iron pipes of class conforming to IS8329:2000 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 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 ), the cost of pipes may be increased by 5-6% rom the prices listed. For DI K7 pipes: Do For - 100 mm diameter

code13 - Do for - 150 mm diameter

code14 - Providing and fixing of DI specials with ISI mark confoming to IS 9523 / 2000 suitable for jointing 100 mm to 600 mm dia DI pipes coated with rust prevention coatings as below: NOTE: A) External coating: a) Metalic zinc with finishing layer of bituminous as per Annexure "A" of IS:9523/2000 b) Zinc rich paint with finishing layer of bituminous as per Annexure "A" of IS:9523 / 2000 c) Bituminous paint as per Annexure "C" of IS:9523 / 2000 B) Internal Lining: a) Portaland Cement (with or without additives) mortar as per Annexure - "B" of IS:9523/2000 b) Cement Mortar with coat coat as per Annexure "B" of IS:9523 / 2000 c) Bituminous paint as per Annexure "C" of IS:9523 / 2000 etc. complete.road/footpath/verge

code15 - 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 hould 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 Do For 100mm dia.

code16 - Do for 150mm dia

code17 - Providing and laying at site CI/DI Valve box for sluice valves, manufactured as per IS 3950 /1976. the cost includes transportation taxes and duties, labour charges for fixing at site including all tools and tackles etc. and fixing on CC bed of 1:3:6 etc., Complete. @ 35 Kg /No. 100 to 600 mm diameter in road / footpath

code18 - Manufacturing, providing, transporting, rolling, lowering. Laying and jointing, testing and commissioning of MS specials of min 6mm and 8 mm thick conforming to IS 7322.1985 with latest ammendments, perfect linking and welding of joints to correct position including cost and conveyance of materials with all lead and lift, cost of labour and giving satisfactory hydraullic teas as per IS 3589 ,2001 with latest ammendments for test pressure and working pressure both at factory and at site etc., complete as per detailed specifications with inside lining two coats of food grade apoxy painting of approved make with each coat of 250 micron, thick (after dry) over one coat of food grade apoxy primer of approved make with minimum of 50 micronthick (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 catagory to suit PSC/MS/CI/AC/DI/PVC Pipes. The rates are inclussive of all taxes and duties. (The weight of the M.S. Shall only be considered before lining and coating for arriving the rate). The thickness of the plate will be specified by the Engineer (Contractor will make his own arrangements for procuring water for testing ). Note: No negetive tollarance in respect of tickness is permissible. (The work includes tightening the joints with bolts and nuts to the flanges, the cost inclusive of flanges bolts, nuts "o" ring to correct position including cost and conveyance of materials with all lead and lift, cost of labour Up to and inclusive of 500 mm dia of pipe of 6mm thick, (with inside and out side lining two coats of food grade apoxy painting of approved make 250 micron thick (after dry) for bends, branches, MSMJ Joitnts, tapers and all other type of specials as required at site prepared to suit the site condition.

code19 - Disposing off the surplus earth of all types up to all distance by vehicle including loading and unloading with all lifts, labour, HOM of machinary etc., complete. (UPTO 40 KMS) for pipe volume, concrete road, asphat surface cutting.

code20 - Supply, laying, jointing, Testing and commissioning of service connections making bore holes for fix house service connections including road cutting, excavation, backfilling, disposal and road restoration with Male thread Metal Insert Elbow as per ISO 14236 with one end Compression joint and other end Male thread and Tested as per BS 6920 for Drinking water in any designated Laboratory, on mains not exceeding 200mm nominal diameter CPVC B68 service pipe of minimum 20 mm diameter, length not exceeding 3.0m, including strap Saddle and UPVC Ball Valve with one end Compression joint and other end Female joint as per ISO 4422-4 as per specification and as directed by Engineer. 15 mm / 20mm connection in road / footpath / verge

code21 - 25 mm connection in road / footpath / verge

code22 - 40 mm connection in road / footpath / verge

code23 - Supply, laying, jointing, of additional length (exceeding 3.0m) of CPVC service pipe (As per IS 4985:2000) including road cutting, excavation, backfilling, disposal and road restoration as per specification and as directed by Engineer maximum length for a house connection should not exceed 3 mts. 20mm connection in road / footpath / verge

code24 - 25mm connection in road / footpath / verge

code25 - 40mm connection in road / footpath / verge

code26 - Supply, laying and jointing of GI pipe of class B for encasement of CPVC service pipe as per specification and as directed by engineer. 20mm connection with 40mm GI pipe

code27 - 25mm connection with 40mm GI pipe

code28 - 40mm connection with 80mm GI pipe

code29 - Consumer Water Meter: Providing and fixing Multi Jet Class-B, inferential type AMR compatable wataer meters with IP 688 protection totalizzer confirming to IS 779 with its latest ammendments of following size to service connections including conveying and fixing of necessary GI Specials with appartences etc., complete with all lead and lift. 15mm

code30 - 20mm

code31 - 25mm

code32 - Trial holes are excavations carried out with the approval of the Engineer to investigate pipe network details, connectivity, etc. Rate to include road cutting, excavation, backfilling, disposal and road reinstatement of original surface for the following diameters upto 2.5m depth to invert of pipe as per specification and as directed by Engineer. This item to be used only with the written approval of the Engineer. Depth not exceeding 1.5m in road/footpath/verge

code33 - Dismantling size stone masonry in clay mortar and stacking the size stone with in a radius of 50 m and removing the debries to a distance upto 200 m cost of labour charges complete and as directed by the Engineer

code34 - Reconstruction of stone masonry with cement mortar 1:6 with the available stones including cost of labour, curing etc., complete

code35 - Removing and refixing of B.S. Slabs/RCC Slabs of drain and refixing after completion of the work with all tools and tackles

code36 - KSRRB M400-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. MORTH Specification No.406.

code37 - KSRRB M500-6: Prime Coat over WMM/WBM 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/m2 using mechanical means.. MORTH specification No.502.

code38 - KSRRB M500-13: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% 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 clauses501.6 and 501.7 to achieve the desired compaction

code39 - Providing and applying tack coat with RS1 Bituminous Emulsionusing emulsion pressure distributor at the rate of 0.25 kg/m2 on Granular Surface.

code40 - 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