Bengaluru Water Supply And Sewerage Board Tender

code04 - 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 necessary as directed, removal of stumps and other deleterious matter, dressing of sidesand levelling the bottom of trench to the extent required , utilising the available excavated earth locally for the work and all other appurtenances to complete in the following strata. Hard rock (blasting prohibited) Depth upto 1.50 m

code05 - 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 DI K9 pipe 200mm dia DI Pipe

code06 - 150mm dia DI Pipe

code07 - 100mm dia DI Pipe

code08 - 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 amendmentzZs 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. complet100 mm dia sluice Valve of PN 16.0

code09 - 150 mm dia sluice Valve of PN 16.0

code10 - 200 mm dia sluice Valve of PN 16.0

code11 - Providing Ductile Iron Push on special confirming to IS 9523:2000 100mm dia DI collar

code12 - 150mm dia DI collar

code13 - 200 mm dia DI collar

code14 - 100 mm dia 11.25'

code15 - 150 mm dia 90'

code16 - 200 mm dia 45'

code17 - 200 mm dia 90'

code18 - Providing, fabricating and fixing at site various diameter MS MJ ends with dummy plates (END CAPS) to suit CI / DI spigots end as per the sketch. The cost is inclusive of all materials, i.e, rubber 'O' rings, flanges, bolts and nuts, dummy plates, consumables, hire charges, tools and welding equipments, lead and lifts, etc. complete as per the instructions of Engineer in charge. For CI / DI pipes of 100mm dia.

code19 - 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 MS specials for linking and to avoid unprecedented cable ducts, tree roots etc Pipe bends,branches, tail pieces, reducers etc. for above 500mm dia pipes

code20 - Chlorinated Polyvinyl - chloride (CPVC) pipe 15 mm nominal dia.

code21 - Providing and fixing unplasticised PVC connection pipe with brass unions :30 CM Lentgh for15 mm nominal bore

code22 - PVC Pipe Bend15mm dia

code23 - Removing and restoring house connecntions

code24 - 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

code25 - Removal of unserviceable soil with disposal upto a suitable distance as directed by the Engineer incharge of work. for:

code26 - Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material withall lifts and lead Rubble stone masonry in cement mortar.

code27 - A toe wall for toe protection can either be in dry rubble masonry in case of dry rubble pitching or pitching with stones in wire crates or it can be in PCC M15 nominal mix if cement concert block have been used for pitching . Rates for toe wall can be adopted from respective clauses depending upon approved design. The rate for excavation for foundation, dry rubble masonry and PCC M15 have been analysed and given in respective chapters of different volumes. Stone masonry in cement mortar (1:3)

code28 - 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 inuniform layers with paver/grader in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density

code29 - 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 0.70kg/m2 using mechanical means.

code30 - Providing and laying Bituminous Macadam with 100 TPH 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 finisherto the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction

code31 - Providing and applying tack coat with RS1 Bituminous Emulsion using emulsion pressure distributor at the rate of 0.20 kg/m2on the prepared bituminous surface cleaned with mechanical broom

code32 - Providing and laying Bituminous Concrete with 100 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

code33 - Providing and construction of platform in M15 Cement Concrete using hard granite or basalt or trap jelly of 20mm and down size for India Mark-III (VLOM) hand pump as per approved drawing enclosed to the S.R accordiing to IS 13056 - 1991 (UNICEF standard), including machine mixing, laying, tamping, curing and smooth finishing of exposed faces in CM 1:3 with necessary moulds, including earth work excavation with all leads of materials etc. complete

code34 - Installation, Commissioning and Testing (for receipt of readings to the Bulk Flow Metering and Monitoring System SCADA Centre ) of HART output ( flow rate and Totalizer) based Electromagnetic Induction Bulk Flow Meters approved make to the feeder mains . The flow meter shall be full bore type shall be installed as per Manufacturer Recommendations. The Electromagnetic Induction Bulk Flow meters shall comply with the specifications mentioned. The maximum allowable measuring error shall be +/- 0.2 % of the volume. The meter transmitter shall convert the HART Output to produce reliable and correct output. The data to the remote server shall be transmitted with HART Protocol Remote Telemetry Device(RTU)..The Remote Telemetry Devices to Monitor the Real Time Water Flow and Totalizer by converting Output from Bulkflow meter (the Output is of HART output). The transmitter or the modem provided shall be of HART ( Highway Addressable Remote Transduser) type, which shall work in the master mode to read the totalizer and flow rate including panel box. The Remote Telemetry Devices shall have atleast the following specification.All data will be read via HART protocol and transmitted to the client Server via FTP Hardware:: Power: 12V DC, Connectivity: Builtin 3G with 2G fall back connectivity, Input HART: Builtin HART Modem in Master Mode to read flow rate and totalizer value, Digital inputs to connect to Door sensor and AC relays, One Relay output to switch on Light inside the enclosure, One MicroUSB port to configure the gateway, Customized sheet metal box, Operating Temperature: -10 to +70 Deg C operating, High Gain GPRS Antennae. Software :: Linux based Operating System, Programmable via C and Node.js, ReAP Framework supporting HTTP and FTP, Option to configure 3 FTP Sites for data transfer, Option to configure 1 HTTP url for data transfer, Automatic Upgradation of Firmware and Configuration Software via Over the Air. The cost includes all materials,accessories,labour complete. Battery Operated 200 mm dia