Bengaluru Water Supply And Sewerage Board Tender

004 - Providing S&S RCC SPUN / VIBRATED CAST PIPES (REINFORCED) pipes NP-3 Class conforming to IS:458-1988 with latest amentments using ordinary portland cement, for sanitary works and conveying to work site, rolling and lowering into trenches, laying true to line and level including loading and unloading at both destinations and jointing of pipes and specials, perfect linking of joints with jack to correct position including cost of jointing materials, i.e, rubber rings conforming to IS: 5382 for S&S RCC pipes, with all leads and lifts as directed and giving necessary hydraulic test as per ISS to the required pressure and commissioning etc. complete. (Contractor will make his own arrangements for procuring water for testing). Before the execution of the work,the contractor shall carry out . 300 mm dia ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

005 - Same as above 250 mm dia RCC pipe line ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

006 - Providing lowering laying, jointing, testing andcommissioning offollowing diameters glazed stone ware pipes, conforming to IS 651:1992,(with 5th revision) in all respects jointing with EPDM rubber rings (sealsaccording to EN 681 & ASPM 425) The rubber seals joints pipe willhave groves in interior of socket and exterior of the spigot. The rubbergasket shall be prefixed at the factory by the manufacturer rigidly with approved glue to have leak proof joint including conveying of pipe towork site and rolling and lowering into trenches, laying true to line,level and perfect linking at joints testing and commissoning includingloading and unloading at both destinations and cuts of pipes wherevernecessary including jointing of GSW pipes and specials, with rubber gaskets conforming to EN 681 and ASTM C-425 including cleaningthe socket and spigot with soap solution and applying talcum powderfor detecting crack, then applying glue and before inserting of rubbergaskets, jacking and fixing in perfect condition including the cost of soapsolution, talcum powder and glue etc. and giving necessary hydraulic testto the required pressure of water head with all lead and lifts includingcosting of jointing materials and all necessary survey works for laying ofsewers etc., and disposal of debris as directed etc., complete. (Contractorwill make his own arrangements for procuring water for testing) withRubber ring gasket joints - 230 mm dia ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

007 - Providing PVC ringtite pipes conforming to IS 4985:2000 with latestamendments and conveying to worksite, rolling and lowering intotrenches, laying true to line and level and perfect linking at joints, testingand commissioning, including loading unloading at both destinationsand cuts of pipes wherever necessary including jointing of PVC pipesand specials (excluding cost of specials) with jointing of approvedtype, with all labour with all lead & lift including encasing the pipealround to a depth of not less than 15 cms. with soft gravel or selectedearth available from the excavation etc. complete and giving necessaryhydraulic test to the required pressure as per ISS (Contractor will makehis own arrangements for procuring water for testing) etc. complete For: PVC pipes 110mm dia., 6 kg/sqcm & class 3 ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

008 - Supply and delivery at site special moulded variety PVC elbows as perIS 7834/ 1987 and fabricated as per IG124/ 1984 with ISI mark withits latest amendments 110 mm dia PVC Elbows ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

009 - Supplying of special moulded variety PVC couplers as per IS 7834/ 1987 and fabricated as per IG124/ 1984 with ISI mark and with its latest amendments to walk site etc. complete 110mm dia PVC couplers for House connection ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

010 - Refilling available earth around trenches/pipelines, cables in layersnot exceeding 20 cms in depth, compacting each deposited layer byramming after watering with a lead upto 50 m , and lift upto 1.5 m.Including cost of all labour complete as per specifications ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

011 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work 4 to 5 Kms ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

012 - Providing and constructing "WIRE CUT BRICK MACHINEHOLECHAMBERS"usingPortland/Pozzolana cement, conical in shape at top,with CC 1:3:6 foundation using 40mm and down size graded metal ofapproved quality and with an offset of 0.15M alround the chamber. Construct Brick masonry in CM 1:4, 340 mm thick, with wirecut bricks ofapproved quality, plaster inside and out side with CM 1:3, 12mm thick,except for the conical surface outside where the plaster thickness shall be20mm. Slope inside to be 1:6 in the concrete towards central drain andfinished smooth. Fixing of pipes in CC 1:2:4 with graded metal of 20mmand down size. Providing and fixing SFRC Machinehole frame and cover(Heavy Duty) conforming to IS:12592 with latest amendment, in CC 1:2:4.Providing and fixing footsteps made of 12mm dia. steel bars (Fe-500)with 3mm thick plastic encapsulation (IS-10910). The footsteps shall befixed 30cms apart and on CC block embeded to masonry wall. The wholeworks include watering, curing, barricading, danger lighting, pouringtar over MH frame and cover, cost of tar, shoring, strutting, de-watering,engraving Machinehole number with flow direction on the inner conicalsurface etc. as per the drawing etc. as per technical specifications andfor the following diameters and depth etc. for 1.2mm dia 1.0 M depth & SFRC cover & frame ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

013 - same as above Units interms of 0.1 m depth between 1 m to 2 m ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

014 - Providing and constructing "WIRE CUT BRICK MACHINEHOLECHAMBERS"usingPortland/Pozzolana cement, conical in shape at top,with CC 1:3:6 foundation using 40mm and down size graded metal ofapproved quality and with an offset of 0.15M alround the chamber. Construct Brick masonry in CM 1:4, 340 mm thick, with wirecut bricks ofapproved quality, plaster inside and out side with CM 1:3, 12mm thick,except for the conical surface outside where the plaster thickness shall be20mm. Slope inside to be 1:6 in the concrete towards central drain andfinished smooth. Fixing of pipes in CC 1:2:4 with graded metal of 20mmand down size. Providing and fixing SFRC Machinehole frame and cover(Heavy Duty) conforming to IS:12592 with latest amendment, in CC 1:2:4.Providing and fixing footsteps made of 12mm dia. steel bars (Fe-500)with 3mm thick plastic encapsulation (IS-10910). The footsteps shall befixed 30cms apart and on CC block embeded to masonry wall. The wholeworks include watering, curing, barricading, danger lighting, pouringtar over MH frame and cover, cost of tar, shoring, strutting, de-watering,engraving Machinehole number with flow direction on the inner conicalsurface etc. as per the drawing etc. as per technical specifications andfor the following diameters and depth etc. for 1.2mm dia 2.0 M depth & SFRC cover & frame ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

015 - same as above Units interms of 0.1m depth between 2m and 3m ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

016 - Providing, laying, spreading and compacting graded stoneaggregate to wet mix macadam specification including premixingthe Material with water at OMC in mechanical mix plant carriageof mixed Material by tipper to site, laying in uniform layers withpaver/grader in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

017 - 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. ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

018 - Providing and laying Dense Graded Bituminous Macadam with 120 TPH capacity hot mix plant batch type using crushed aggregates of specified grading, premixed with bituminous binder VG-30, @ 4.0 per cent 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 clause No. 505 complete in all respects. ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

019 - Providing and laying Ductile Iron pipes of class conforming to IS 8329:2000 with latest amendments, conveying to work site, rolling andlowering into trenches, laying true to line, level and perfect linking atjoints, testing and commissioning, including loading and unloading atboth destinations, cutting of pipes wherever necessary, jointing with DIspecials (excluding cost of specials) and rubber gaskets, cleaning thesocket and spigot end with soap solution, applying soft soap to the socketand spigot ends before insertion of rubber gaskets, jacking and fixingin perfect conditions etc. The cost to include soap solution, soft soap,waste etc. and giving necessary hydraulic test to the required pressureas per ISS with all lead and lifts and cost of all jointing materials. (Thecontractor will make his own arrangements for water for testing. Earthwork excavation in trenches to be measured and paid for seperately)Note: In sewerage projects for internal cement mortal lining ( CML ) ofDI pipes, if High Alumina Cement ( HAC ) as recommended in AnnexureB clause 16.3 of IS8329:2000 is considered in place of Slag or SulphateResistance Cement ( SRC ), the cost of pipes may be increased by 5-6%from the prices listed. For DI K9 pipes: 300 mm dia at disposal point crosing storm water drain linking to sum main ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST