Bengaluru Water Supply And Sewerage Board Tender

No.3b - Pipe of 219mm dia -7.0mm thick

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 16 and 200mm dia

No.4b - For sluice valve of PN 16 and 300mm dia

No.4c - For sluice valve of PN 16 and 600mm dia

No.4b - For sluice valve of PN 16 and 150mm dia

No.5 - Providing, fabrication, supply & fixing at site of various diameter M.S. Flanges as per IS standards to fix sluice valves as per sketch. The rate is inclusive of all materials, labour, consumables, hire charges for tools & tackles, welding equipment etc complete as per instructions of the Engineer in charge. (a) Flanges of 200mm dia and 20mm thick

No.5b - Flanges of 300mm dia and 20mm thick

No.6 - Manufacturing, providing, transporting, rolling, lowering, laying and jointing, testing and commissioning of MS specials of minimum 8 mm thick conforming to IS 7322:1985 with latest amendments, perfect linking and welding of joints to correct position including cost and conveyance of materials with all lead and lifts, cost of all labour and giving satisfactory hydraulic test as per IS 3589:2001 with latest amendments for test pressure and working pressureboth at factory and site etc., complete as per detailed specifications with inside lining two coats of food grade epoxy painting of approved make witheachcoat of 250 micron, thick (after dry) over one coat of food grade epoxyprimer of approved make with minimum of 50 micron thick (after dry) and outside 25mm thick coating in CM 1:3 by providing 50 x 50mm weld mesh including loading and unloading of pipes for the following category to suitPSC / MS / CI / AC / DI / PVC pipes. The rates are inclusive of all taxes and duties. The weight of the MS shell only be 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) Pipe bends,branches, tail pieces, reducers etc. for upto 500mm dia pipes

No.7 - 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 in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density

No.8 - 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 0.90kg per m2 using mechanical means as per MORTH specifications No.502

No.9 - Providing and laying Dense Graded Bituminous Macadam with 40/60 TPH capacity HMP using crushed aggregates of specified grading, premixed with bituminous binder VG-40, @ 4.5 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.10 - Providing and applying tack coat with RS1 Bituminous Emulsion using emulsion pressure distributor at the rate of 0.25 kg/m2 on the prepared bituminous surface cleaned with mechanical broom as per MORTH specifications No.503 II

No.11 - Providing and laying bituminous concrete with higher capacity batch type HMP using crushed aggregates of specified grading, premixed with bituminousbinder @ 5.2 per cent of mix and filler,transporting the hot mix to work site,laying with a hydrostatic paver finisherwith sensor control to the required grade,level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as perMORTH specification clause No. 507 complete in all respects

No.12 - Stone crusher dust finer than 3mm

No.13 - Removal of Unserviceble soil with disposal upto suitable distance as directed by engineer in chargeof work.

No.14 - 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 (a) For Bulk Flow Meters, sensors, transmitter, panels etc. for 200mm dia

No.14b - For Bulk Flow Meters, sensors, transmitter, panels etc. for 300mm dia

No.14c - For Bulk Flow Meters, sensors, transmitter, panels etc. for 600mm dia

No.15 - Supplying and fixing kinetic AIR VALVE 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, guideand 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. (a) for K Air valves 150mm dia

No.15b - for K Air valves 200mm dia

No.16 - Dewatering the sewage/ storm water by using required HP submersible pump for work consideration - 10HP Pump

No.17 - Dismantling of existing structures like culverts, bridges, retaining walls and otherstructure comprising of masonry, cementconcrete, wood work, steel work, includingT&P and scaffolding wherever necessary,sorting the dismantled material, disposalof unserviceable material and stacking theserviceable material with all lifts and lead Prestressed / RCC grade M-20 & above