Bengaluru Water Supply And Sewerage Board Tender

a03 - Dismantling of Flexible pavements and disposal of dismantled materials and stacking serviceable and unserviceable materials separately-By Mechanical Means (Bituminous Course)

a03.1 - For Granular Courses

a04 - Earth work excavation for pipeline trenches in all kinds of soils by mechanical means as per drawing and technical specifications, including setting out, construction of shoring, strutting, barricading, caution lights, bracing, using sight rails & bonding rods at every 100mm wherever necessary as directed, removal of stumps and other deleterious matter, dressing of sides and levelling the bottom of trench to the extent required, utilising the available excavated earth locally for the work etc., and all other appurtenances complete in all kinds of soils - For Depth upto 1.50m

a04.1 - Depth exceeding 1.50m, but not exceeding 3.00m

a05 - Earth work excavation for pipeline trenches by mechanical means as per drawing and technical specifications, including setting out, construction of shoring, strutting, barricading, caution lights, bracing, using sight rails & bonding rods at every 100mm wherever necessary as directed, removal of stumps and other deleterious matter, dressing of sides and levelling the bottom of trench to the extent required, utilising the available excavated earth locally for the work etc., and all other appurtenances complete in Hard rock (blasting prohibited) Depth upto 1.50m

a05.1 - Depth exceeding 1.50m, but not exceeding 3.00m

a06 - 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 the survey - RCC NP3 Class pipe of 900mm dia.

a07 - Refilling available earth around trenches/pipelines, cables in layers not exceeding 20cms in depth, compacting each deposited layer by ramming after watering with a lead upto 50m and lift upto 1.5m, Including cost of all labour complete as per specifications.

A08 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work.

a09 - Providing, erecting and removing casurina pole three tier BARRICADING using poles of 7.5 to 10cms dia. and 1.5m height above ground fixed vertically at intervals of 2.0 to 2.5m centre to centre and horizontally at 0.5m above ground level, including fixing poles in ground for a maximum depth of 0.3m and tied with coir rope firmly including cost and conveyances of all materials, labour, lead and lifts charges etc. complete.

a10 - Providing and laying in position Cement Concrete for levelling course for all works in foundation. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed, laid in layers not exceeding 150mm thickness, well compacted using plate vibrators, including all lead & lifts, cost of all materials of quality, labour, Usage charges of machinery, curing, and all the other appurtenances required to complete the work as per technical specifications-Mix 1:3:6 Using 40mm nominal size graded crushed coarse aggregates.

a11 - Providing Size Stone masonry with hard stone in foundation & plinth with Cement mortar 1:6 (1 Cement : 6 Coarse sand)

a12 - Dismantling dressed stone work ashlar face stone work, marble work or precast concrete work manually/ by mechanical means including stacking of serviceable and disposal of unserviceable material to the appropriate disposal area as per direction of Engineer-in-charge.

a13 - 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 of the Engineer-in-charge-RMC M25 Grade.

a14 - 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-All other type of structures.

a14.1 - Additionalities for Formwork, Centering & Scaffolding-Foundation, Sub structure of Cross drainages

a15 - 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.

a16 - 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.

a17 - Providing and laying Bituminous Macadam with 100TPH 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 - Bituminous Macadam Grading - I for traffic less than 20 MSA

a18 - Providing and laying Bituminous Concrete with 100TPH capacity hot mix plant batch type using crushed aggregates of specified grading, premixed with bituminous binder VG-40 @ 5.2 percent 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-Bituminous Concrete Grading I for traffic more than 20 MSA

a19 - Providing and applying tack coat with RS1 Bituminous Emulsion using emulsion pressure distributor at the rate of 0.20kg/m2 on the prepared bituminous surface cleaned with mechanical broom.

a20 - Providing, filling and laying of sand bags filled with sand/clay for diversion of sewage during execution of work.

a21 - Dewatering the sewage/storm water by using required HP submersible pump for the diversion of storm/sewage during the execution of work-10 hp pump

a22 - 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 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% from the prices listed-For 100mm Dia (Class K-9)

a22.1 - For 150mm Dia (Class K-9)

a22.2 - For 450mm Dia (Class K-9)

a23 - 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- For Sluice Valve of PN 16.0 and 100mm

a23.1 - Sluice Valve of PN 16.0 and 450mm

a24 - Providing and fixing kinetic AIR VALVE of PN 16.0 for automatic discharge of accumulate air during working condition, conforming to IS 14845/EN 1074-4. Body and bonnet of DI conforming to IS-1865 of grade GGG-40/50, seals are made of approved EPDM, SS 304 float, guide and internals. Flange drilling according to IS-1538 with appurtenances. complete. Body and bonnet shall be coated with electrostatically applied epoxy powder coating with a coating thickness of 250 micron both inside and outside etc. complete - For K Air Valves of 100mm dia.

a24.1 - For K Air Valves of 150mm dia.

a25 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - For 100mm diameter 90 degree

a25.1 - For 450mm diameter 22.50 degree

a25.2 - For 450mm diameter 45 degree

a25.3 - For 450mm diameter 90 degree

a25.4 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - Socketed D.I.Equal Tees:450mmX450mmX450mm

a25.5 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - Double Socketed with flanged Branch D.I. Un-Equal Tees-450mmX450mmX100mm

a26 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All Socketed D.I. Un-Equal Tees - 450mmX100mm

a26.1 - All Socketed D.I. Un-Equal Tees - 450mmX150mm

a27 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All D.I. Flanged MJ COLLAR - 100.00mm

a27.1 - All D.I. Flanged MJ COLLAR - 150.00mm

a27.2 - All D.I. Flanged MJ COLLAR - 450.00mm

a028 - 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 - For Pipe bends, branches, tail pieces, reducers etc. for upto 500mm dia pipes.

a029 - Manufacturing, providing, trasporting, rolling, lowering, laying, jointing and commissioning of ERW (Electric Resistance Welded)/SAW (Submerged Arc Welded) MS pipes of Outer dia (Fe-410 grade) conforming to IS 3589-2001 with latest amendments, including perfect linking and welding of joints to correct position, cost of the pipes, conveyance, lead, lift charges, cost of 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 inside with CM 1:1.5 lining of minimum 10mm thick for pipes upto 610mm OD and with minimum 12mm thick beyond 610mm OD and out side with minimum 25mm thick coating in CM 1:3 over 50x50mm weld mesh of 13 gauge, including loading and unloading of pipes for the following diameters and specified thickness of plate as noted below, including bailing out of water wherever necessary. (Contractor will make his own arrangements for procuring water for testing). Note: a) No Negative tolerance in respect of thickness is pemissible. b) Basic Cost of MS Plate is considered as Rs.71,700/- per MTc) The pipe costs are FOR destination anywhere in Karnataka. Pipe of 457mm dia-10mm thick

a30 - Supply, Installation, Commissioning and Testing of GPRS + GSM based EMI flow meters on the Bulk water connections ranging from 100mm to 300mm. Providing and fixing of GPRS + GSM based EMI flow meters on the Bulk waters for 150mm dia.For Bulk Flow Meters, sensors, transmitter, panels etc. for 150mm dia. please refer BOQ of Tender Doccument for detailed specification