Rapid Gravity Filter Tenders

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corporations/Associations/Others

CTN :45612894

08 Jul, 2026 NA

Malda - West Bengal

Tender For corrigendum : cmc of the existing stp, wtp, ro plant and water supply system (including consumables, spares etc.) for chanchal super speciality hospital in the district of malda. (2nd call)

State Government

CTN :44917884

01 Jul, 2026 19.83 Lacs

Multi City - Telangana

Tender For corrigendum : supply of anthracite, graded sand filter media and pebbles for rapid gravity filters

CTN :44856629

24 Jun, 2026 NA

Hoshangabad - Madhya Pradesh

Tender For bid to ras supply of filter sand for rapid gravity filter as per is 17955: 2023 remark the firm shall provide nabl acc

corporations/Associations/Others

CTN :45612895

26 Jun, 2026 NA

Bankura - West Bengal

Tender For cmc of the existing stp, wtp, ro plant and water supply system (including consumables, spares etc.) for bishnupur super speciality hospital in the district of bankura (2nd call)

Central Government/Public Sector

CTN :45227951

16 May, 2026 2.93 Crore

Multi City - Multi State

Tender For corrigendum : reuse /recycle of backwash water of rapid gravity filter plant

corporations/Associations/Others

CTN :45480765

16 Jun, 2026 NA

Asansol - West Bengal

Tender For cmc of the existing stp, wtp, ro plant and water supply system (including consumables, spares, etc.) for asansol super speciality hospital in the district of paschim bardhaman (2nd call)

State Government

CTN :45434617

10 Jun, 2026 24.05 Lacs

South Tripura - Tripura

Tender For fdr/running maintenance/augmentation of rws/arws/jjm schemes under dws division sabroom / sh: operation, maintenance and upkeep of 0.15 mgd swtp at manubazar including renovation of rapid gravity filter bed with astm piping and filter media, repair/rewinding of pump-motor sets, providing electrical and mechanical accessories, fitting/fixing of sluice valves & nrvs, cleaning of reservoir and filter units and supply of water treatment chemicals such as alum, lime, bleaching powder and chlorine salt for ensuring uninterrupted drinking water supply for 01(one) year.

State Government

CTN :45042372

05 Jun, 2026 1.27 Lacs

Multi City - Telangana

Tender For corrigendum : ktps v vi stages-civil-o m-i-removal, segregation and laying of pebbles of various sizes, quartz sand and anthracite up to floor height of 3 mts, conveyance up to rapid gravity filter bed-4 of ptp area at ktps vi stage

State Government

CTN :45275642

02 Jun, 2026 3.07 Lacs

Serampore - West Bengal

Tender For repairing and overhauling of one no twin lobe air blower assembly and renovation of 2 nos outgoing motor (blower ) feeder of lt pdb with supply, fitting and fixing spares at sludge pump house under swtp, kmda. - supply,installation,testing and commisioning of following items for hoisting system/ blower and gear box as mentioned below as per direction including cost of materials, machinaries , manpower, cutting,machining,aligning,anchoring,welding,finishing,consumables, carriage and all overheads with all leads and lifts complete as per specification (without painting), i) base frame (ms), ii) shaft/pin with key ways made of ss-304, iii) gear& pinion (forged steel), supply and fixing the 3way c.i v grooved pulley with complete mechanism key way suitable to en-24, 60 mm dia/ as per sample of shaft end., a) motor driving, b) blower driving, supply of gear oil as per direction of engineer in charge., supply of grease, supply and delivery of the following bearing (make: skf):, i) 22312e/c3/ as per sample. (for blower), supply and fixing of tough v belts (make: fenner/power boom / v guard/benq/ecodrive) of the following size c 98/ as per sample., supply fitting fixing of ss (aisi304) bolts,nut & washer i) dia 10 mm to 20 mm a) length upto 75 mm, refixing of impeller of blower after dynamic balancing in workshop as per is rule after dismantling the same., dismantling the 25/30 h.p (18.5 kw)//30 h.p squirrel cage motor from its foundation by opening mounting bolts and disconnection of cables from terminal box and open the v belts for repairing purpose (in condition), preliminary checking of the whole motor (lt sq. cage im) and testing of i.r. value, load currents, leakage factor of stator & rotor, terminal lead joints of stator connection ends, insulation of glass fibre terminal bar, double cage rotor end rings and all of motor bars and bar joints, housing of d.e. & nde shield bearing housing etc. before work to detect fault., complete servicing and heat varnishing of 415volt, 3 phase l.t. sq. cage induction motor after cleaning the stator and heating it up periodically and varnishing by dr. beck s graded insulating varnish to obtain stable ir value, cleaning up the rotor, including heating for demoisturisation, lacker coating on the surface of rotor stampings, cleaning and ro priming on the end shield covers, bearing housing and complete the necessary repairing works as per direction of e.i.c.upto 75kw lt sq. cage im ], re fixing the 25/30h.p star/delta squirrel cage motor over its foundation by mean of mounting bolts & nuts, washer complete connection of existing led of cable at the terminal box and wear the v belts with proper alignment in respect to i.d. fan (12000 cu m/hr capacity)/ blower by adjusting the side rail for smooth running., finishing the end of terminal leads by s & f dowells copper sockets properly supplying tapes, petrollium jelly etc. 6 nos.upto 75kw lt sq. cage im., cost of mechanical work viz. shaft truness, checking key way looping of holes grinding and polishing etc. upto 75kw lt sq. cage im., inspection checking/testing and servicing of the existing starter panel, all terminal connection, contactors, relays etc as per desired technical specification including man and minor materials for proper functioning as per direction of eic., supply and fixing of 240/230 volt, 50 hz, t.p., power contactor (make: l & /abb/schneider/ simence/ ge) having contact block of the following range.32-55amp, supply & fixing of 230/240v, led indicating lamp make :ae/kappa/imp) blue/ white color., supply & fixing of 230/240v, led indicating lamp make :ae/kappa/imp) other than blue/ white color., supply and delivery of thermal overload relays (make: l & t/abb/schneider/simence/ ge/minilec) of the following range:a) 0.2-0.33/ 0.3-0,5/ 0.45-0.75, mn2, supply of ammeter selector switch current in each phase with off, 4 pos. 90 angle ofthrow (off-r-y-b) , supply and fixing of analog ammeter ranging

State Government

CTN :45244086

26 May, 2026 NA

Khaperkheda - Maharashtra

Tender For supply of filter media (sand, grit) for top up/ replacement of rapid gravity filters of ptp and domestic plant at wtp-i/ii, khaperkheda tps.

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