Bengaluru Water Supply And Sewerage Board Tender

No.3b - 150mm dia DI K7 pipe

No.4 - 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 should 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 (a) For sluice Valve of PN - 10.0 and 100mm dia -22 Nos, for Scour valve - 4 Nos & near Air valve - 6 Nos

No.4b - For sluice Valve of PN10.0 and 150mm dia

No.4c - For sluice Valve of PN10.0 and 200mm dia

No.5 - Providing and fixing of Single/ Double chamber triple function tamper proof (Both the orifces to be housed in the single chamber) Air valves with Body and cover in Ductile cast iron of grade GGG 40/ 50. All internal parts such as float, shell with appurtenances., all cover bolts of austenitic alloy / SS 304 steel, DN 50 float of HOSTAFLON / SS 304 and gaskets and seals of EPDM. Epoxy powder coating (EP-P) inside and outside colour blue RAL5005. The valves should be designed for all the three functions i.e., 1. Large orifice for venting of large air volumes on start up. 2. Large orifice for intake of large air volumes. 3. Small orifice for discharge of pressurized air during operation.For PN 10.0 etc. complete (a) 100mm dia Air valve

No.6 - Manufacturing, providing, trasporting, 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 includng cost and conveyance of materials with all lead and lifts, cost 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 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 minium 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 expoxy 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 (a) Pipe bends,branches, tail pieces, reducers etc. for upto 500mm dia pipes

No.7 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All D.I. Flanged Socketed, D.I. Flanged Spigot, MS End Plates (a) D.I. Flanged Socketed 100.00 mm

No.7b - D.I. Flanged Socketed 150.00 mm

No.7c - D.I. Flanged Socketed 200.00 mm

No.8 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - Socketed D.I. Equal Tees (a) 100mm X 100mm X 100mm

No.9 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All D.I. Flanged MJ COLLAR (a) 100mm dia collar

No.9b - 150mm dia collar

No.9c - 200mm dia collar

No.10 - Providing Ductile Iron Push on special confirming to IS 9523:2000 (Bend) (a) 100mm dia x 22.50 deg

No.10b - 100mm dia x 45 deg

No.10c - 100mm dia x 90 deg

No.10d - 150mm dia x 90 deg

No.10e - 150mm dia x 45 deg

No.10f - 150mm dia x 22.50 deg

No.11 - Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, cluding T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead 2.7 I Lime /Cement Concrete, (i) By Manual Means c. Prestressed / Reinforced cement concrete grade M-20 & above m3

No.12 - Providing and laying in Cement Concrete for all Basement & surface level works, return walls, retaining walls, sunken floors etc. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed with super plasticisers, laid in layers, well compacted using needle vibrators, providing weep holes wherever necessary,including all lead & lifts, cost of all materials of quality, labour, Usage charges of machinery, curing and all other appurtenances required to complete the work as per technical specifications (a) M25 Design Mix Using 20 mm nominal size graded crushed coarse aggregates

No.13 - Providing and laying in position Cement Concrete for all Sub structures of building, Irrigation works, Sub structure works of bridges, Drain works & other parallel works from 0.50m to 3.50 m height. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed with super plasticisers, laid in layers, well compacted using needle vibrators, providing weep holes wherever necessary, including all lead & lifts, cost of all materials of quality, confirming to the requirements of relevant IS codes, labour, Usage charges of machinery, curing and all other appurtenances required to complete the work as per technical specifications (a) Mix 1:2:4 (M15) Using 20 mm nominal size graded crushed coarse aggregates

No.14 - Supplying, fitting and placing TMT FE 550 / 550D Steel Reinforcement including 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

No.15 - Providing Bedding or Backfilling using approved stone dust / quarry dust of size not exceeding 5.6 mm for the pipe line trenches including watering and consolidation etc., complete with all lead and lifts as per specification and as directed by the engineer incharge, after obtaining the approval of the Chief Engineer

No.16 - 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.17 - 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

No.18 - 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

No.19 - Tack coat on Granular surface treated with primer : Providing and applying tack coat with RS1 Bituminous Emulsion using emulsion pressure distributor at the rate of 0.25 kg/m2 on Granular Surface

No.20 - Bituminous Concrete Grading I for traffic less than 20 MSA: 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

No.21 - Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A and B seal coats with bituminous binder VG-30 - Type A Premix Seal coat

No.22 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work