Bengaluru Water Supply And Sewerage Board Tender

No.4 - 1.5 to 3 Mtr. depth

No.5 - Providing and constructing "WIRE CUT BRICK MACHINEHOLECHAMBERS" using Portland/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 be0mm. 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 whole works 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: 1.00 Mtrs Depth

No.6 - Considering 20% of EW qty Depth exceeding 1.5 m, but not exceeding 3 m

No.7 - Providing lowering laying, jointing, testing and commissioning of following diameters glazed stone ware pipes, conforming to IS 651:1992, (with 5th revision) in all respects jointing with EPDM rubber rings (seals according to EN 681 & ASPM 425) The rubber seals joints pipe will have groves in interior of socket and exterior of the spigot. The rubber gasket shall be prefixed at the factory by the manufacturer rigidly withapproved 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 including loading and unloading at both destinations and cuts of pipes wherevernecessary including jointing of GSW pipes and specials, with rubberaskets conforming to EN 681 and ASTM C-425 including cleaningthe socket and spigot with soap solution and applying talcum powder for 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

No.8 - Supplying S&S RCC SPUN / VIBRATED CAST PIPES (REINFORCED)pipes NP-3 Class conforming to IS:458-1988 with latest amentments usingordinary portland cement, for sanitary works and conveying to work site,rolling and lowering into trenches, laying true to line and level includingloading 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 perISS to the required pressure and commissioning etc. complete. (Contractorwill make his own arrangements for procuring water for testing). Before theexecution of the work, the contractor shall carry out the survey. (c)- 300 mm dia

No.9 - Supplying S&S RCC SPUN / VIBRATED CAST PIPES (REINFORCED)pipes NP-3 Class conforming to IS:458-1988 with latest amentments usingordinary portland cement, for sanitary works and conveying to work site,rolling and lowering into trenches, laying true to line and level includingloading 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 perISS to the required pressure and commissioning etc. complete. (Contractorwill make his own arrangements for procuring water for testing). Before theexecution of the work, the contractor shall carry out the survey. (c)- 400 mm dia

No.10 - 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 necessary hydraulic test to the required pressure as per ISS (Contractor will makehis own arrangements for procuring water for testing) etc. complete For: For House Connection 110MM DIA PVC

No.11 - Refilling available earth around trenches/pipelines, cables in layers notexceeding 20 cms in depth, compacting each deposited layer by ramming afterwatering with a lead upto 50 m, and lift upto 1.5 m. Including cost of all labourcomplete as per specifications

No.12 - Providing and constructing "WIRE CUT BRICK MACHINEHOLECHAMBERS" using Portland/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 be0mm. 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 whole works 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: 1.00 Mtrs Depth

No.13 - Above 1.0m depth MH interms of 0.1m

No.14 - 2.00 Mtrs Depth

No.15 - Above 2.0m depth MH interms of 0.1m

No.16 - Dismantling the damaged or collapsed Machinehole ,conical in shape,and reconstructing the same for the same dimensions, with machinemade wire cut brick in CM 1:4 with ordinary portland cement etc. asper design and specifications. The existing ring, cover and CC beedingto be used. For 1.2M dia: 1.00 meter depth

No.17 - Dismantling of existing structures like culverts, bridges, retainingwalls and other structure comprising of masonry, cement concrete,wood work, steel work, including T&P and scaffolding wherevernecessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead - Prestressed / RCC grade M-20 & above

No.18 - b)Rubble stone masonry in cement mortar. Sl no 2.1 b size stone (L/s)

No.19 - Extra for cutting reinforcement bars manually/ by mechanical means inR.C.C. or R.B. work (Payment shall be made on the cross sectional area ofR.C.C. or R.B. work) as per direction of Engineer-in-charge.

No.20 - 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) upto plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand)

No.21 - 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 withaver/grader in sub-base / base course on well prepared surfaceand compacting with vibratory roller to achieve the desired density.

No.22 - Supplying, fitting and placing TMT FE 550 / 550D Steel Reinforcementincluding cost of all materials, machinery, labour, cleaning, straightening, cutting, bending, hooking, laping/welding joints, tying with binding wire / soft annealed steel wire and other ancilary operations complete as per drawing and technical specification.All other type of structures

No.23 - Providing and laying in position Cement Concrete for all Foundation works.Thegranite/trap/basalt crushed graded coarse aggregates and fine aggregatesas per relevant IS Codes machine mixed with super plasticizers laid in finishedlayers, well compacted using needle vibrators, including all lead & lifts, costof all materials, quality confirming to the requirements of relevant IS codes,labour, Usage charges of machinery, curing and all the other appurtenancesrequired to complete the work as per technical specifications.M20 Design Mix Using 20 mm nominal size graded crushed coarse aggregates

No.24 - Providing and laying in position Cement Concrete for levelling course forall works in foundation. The granite/trap/basalt crushed graded coarseaggregates and fine aggregates as per relevant IS Codes machine mixed, laid inlayers not exceeding 150 mm thickness, well compacted using plate vibrators,including all lead & lifts, cost of all materials of quality, labour, Usage charges ofmachinery, curing, and all the other appurtenances required to complete thework as per technical specifications.Mix 1:2:4 Using 20 mm nominal size graded crushed coarse aggregates For Road Cutting

No.25 - Providing and applying primer coat with SS1 grade Bitumen Emulsion on prepared surface of granular base includingcleaning of road surface and spraying primer at the rate of 0.70 kg/m2 using mechanical means. 230mm dia

No.26 - 300mm dia

No.27 - 400mm dia

No.28 - House connection

No.29 - Providing and applying tack coat with RS1 Bituminous Emulsion using emulsion pressure distributor at the rate of 0.20 kg/m2 on the prepared bituminous surface cleaned with mechanical broom 230mm dia

No.30 - 300mm dia

No.31 - 400mm dia

No.32 - House connection

No.33 - Providing and laying Bituminous Macadam with 120 tphcapacity hot mix plant batch type using crushed aggregatesof specified grading premixed with bituminous binderVG-40 @ 3.3% by weight of mix, transported to site, laid over apreviously 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 230mm dia

No.34 - 300mm dia

No.35 - 400mm dia

No.36 - House connection

No.37 - Providing and laying Bituminous Concrete with 120 TPHcapacity hot mix plant batch type using crushed aggregates ofspecified grading, premixed with bituminous binder VG-30 @5.2 per cent of mix and filler, transporting the hot mix to worksite, laying with mechanical paver finisher to the required grade,level and alignment, rolling with smooth wheeled, vibratory andtandem rollers to achieve the desired compaction as per MORTHpecification clause No. 507 complete in all respects 230mm dia

No.38 - 300mm dia

No.39 - 400mm dia

No.40 - House connection

No.41 - Dewatering the sewage / storm water by using reqired HP submersible pump for the diversion of storm / sewage during the execution of work. Considering for one Pump. 10HP PUMP compete

No.42 - Providing, filling and laying of sand bags filled with sand / clay for diversion of sewage during execution of work. L/S

No.43 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work. for: