Tender For Day To Day Operation And Maintenance Of 34 Mgd Capacity Water Treatment Plant At Dongaria Including Supply Of Required Chemicals With Deployment Of Requisite Manpower Under Surface Water Based Water Supply Scheme In The Arsenic Affected Ar
Tender Value
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Estimated cost
Bid Submission
18 Nov 2026
31 days left
EMD
8.98 Lakhs
Bank guarantee accepted
Document Fee
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Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
24 Paraganas South → West Bengal
EMD Exemption
Not Available
Quantity
Not Available
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Project Description
Tender for Day To Day Operation And Maintenance Of 34 Mgd Capacity Water Treatment Plant At Dongaria Including Supply Of Required Chemicals With Deployment Of Requisite Manpower Under Surface Water Based Water Supply Scheme In The Arsenic Affected Areas Of South 24-Parganas District Under South 24 Pgns Water Supply Divn.-I. Phe Dte. (For Period Of One Year).
BOQ
| Sl. No. | Item Description |
| 1 | Planning, organizing, execution and monitoring by engaging Water Works Engineer of day to day operation and maintenance of 4 nos. flash mixers, 4 nos. clari-floculators includes 16 no flocculating units, including supplying and proper stacking, and making alum and PAC solutions of correct proportion directed by the laboratory as required,(Alum may be required to fall directly within the channel in front of inlet well as & when necessary manually as directed by EIC) after weighting alum and poly-electrolyte, lifting the alum/crushed alum and PAC to respective tanks, mixing the same with water to make proper solution as necessary including operation and maintenance of all valves, switch, gear, EOT & HOT Cranes, agitators, metering pumps and all other machineries. Proper arrangement should be kept for supply & delivery of Poly-Aluminium Chloride (PAC) as and when necessary, as directed for production of treated water by engaging skilled and experienced operator, helpers, electrician, plumber, mechanic etc. under the supervision of Shift Supervisor as may be necessary for running the plant efficiently as per specification and direction of EIC in three shifts of eight hours each for a running time as required and directed by EIC. All as per direction and specification of EIC including making entry in the WTP Log Book, producing daily, weekly and monthly records as directed by EIC. |
| 2 | Planning, organizing, execution and monitoring by engaging Water Works Engineer of day to day operation and maintenance of 3 nos. chlorinator of capacity of 30 Kg./ ltr. for pre-chlorination and post-chlorination as necessary for exclusion of all undesirable micro-organism and to maintain the desired residual chlorine by operating and maintaining all valves, control equipment, injectors, switches, electrical devices, and all other associated accessories including supplying, fitting, fixing and handling chlorine cylinders as may be necessary for production of treated water by engaging skilled experienced operators, helpers etc. as per specification and direction of EIC for running the plant efficiently in three shift of eight hours each for a running time as required and directed by EIC. The maintenance work like lifting arrangement of cylinders replacement of decayed lead washer, damaged nuts and bolts, corrugated coupling, running maintenance of Panel Board (SDB. Unit), checking, tightening of contact kits, sockets, glands, CRC, oiling, fuse replacement, periodical checking and maintenance of chlorine absorption system with replacement of chemical as necessary, maintenance of other safety devices like hand gloves, gas mask, helmet other tools and tackles and all remedial actions must be arranged against spread out of chlorine gas if any, All works has to be taken as per direction of EIC including making entry in the WTP Log Book, producing daily, weekly and monthly records as directed by EIC. |
| 3 | Planning, organizing, execution and monitoring by engaging Water Works Engineer of day to day operation and maintenance of 16 nos. filter bed for filtration of water by engaging skilled and experienced Water Works Shift Supervisor, operator, helper, plumber, mechanic, electrician etc. as may be necessary including operation and maintenance of all valves (pneumatically / actuator operated or otherwise), air compressor, air blower, control console panel, back wash arrangements including surface washing and back washing of filter beds by air scour and water wash as and when necessary as per specification and direction of EIC for running the water treatment plant efficiently running time as required and directed by EIC. Necessary running maintenance work includes cost of gland packing and rubber insertion changing, changing of specific size nuts and bolts etc but excluding cost of material like replacement of buckets (departmental supply) in pneumatic cylinder, calibration and adjustment of control devices in control chamber and control console unit. Operation and Maintenance of ROF and LOH gauge and other switches in control table/panel to keep it in working condition for all time, renewal of compressor pipes (departmental supply) oil filter cap, replacement and maintenance of bib-cock, pressure release cock, gate channels of all valves, scrapping andcleaning the filter bed and sand & gravel media against the growth of algal mass, running maintenance of motor control unit, SDB and main distribution panel in electrical control room towards checking and inspecting the contact kits, CRC oiling, tightening all socket glands, fuse replacement etc. to be conducted during running operation of the plant as per specification and direction of EIC all complete including making entry in the WTP Log Book, producing daily, weekly and monthly records as directed by EIC. |
| 4 | Maintenance and operation of rubber wheels, scrapping, rubbing etc and periodical Cleaning and disinfection etc. of inlet well, parshall flume, clarifloculator wall, launder, filter bed wall, air compressor pipe line, inlet to filter, filtered water channel, alum mixing and solution tank, PAC tank, preventing growth of algal messes etc. by applying bleaching powder. periodically removal of alum sludge from tank and cleaning the alum supply pipe line by internal washing. |
| 5 | Operation and maintenance along with cleaning and up keeping of computerized weigh bridge. Day to day weighing of loaded trucks and marinating proper detailed records with ref to source of receipt, loaded weight, tare wt, batch number, stock etc. |
| 6 | Item Sl. No. 1.00, 1.10, 1.20, 1.30 & 1.40 to be treated as a single Item (Breakup sheet attached - Annexure-IA, IB & V) |
| 7 | Quantity will be asserted as per receipt of regular consumption from chemical house of Alum (Grade IV only as per IS 299:1989 with minimum percentage of Al2 of 16% by weigth) PAC (10.2% Al2 by weigth as per IS 15573:2005) and Liquid chlorine (99.9% purity). The purity of Alum, PAC and Liquid Chlorine is to be checked by the agency/in-situ laboratory with furnishing of certificates which is to be attached with every RA/FF Bills. Note: for Liquid Chlorine and PAC, CoA is must. [Payment will be made as per Annexure-1A, 1B and Annexure-V) |
| 8 | Lubrication of different machineries installed in the WTP in different unit like filter house, clariflocculator, flash mixer, all pneumatic valves, gates and other control devices, blowers, compressors, chlorinator, agitator, EOT and HOT cranes, metering pumps,motors, jaw crusher etc. with approved graded lubricants (like grease, mobile oil, gear oil etc.) including cleaning and draining out the old burst and unserviceable lubricants. Cleaning / disinfecting of different units, gland packing of valves, rubber insertion, nuts & bolts, bearing, coupling bolts, rubber bush, lead washer, wires, fuses, bib-cock, bush, oil seal, washer, such other related items as necessary for routine, preventive and minor curative maintenance of the plant and cleaning the unit with rubbing, scrapping etc. for general cleanliness and hygiene including making entry in the WTP Log Book, producing daily, weekly and monthly records as directed by EIC. |
| 9 | Supplying lubricants of proper grade like grease, Mobil oil, gear oil etc., bleaching powder, soap, detergents, approved cleaning liquid, bib cock, fuses, gland packing of valves, rubber insertion, nuts & bolts, coupling bolts, rubber bush, lead washer, wires, bush, oil seal, washer etc. as required for smooth running of the plant including making entry in the WTP Log Book, producing daily, weekly & monthly records as directed by E.I.C. |
| 10 | Providing manpower and Tools & Plants for welding, fabricating, machining,grinding and such activities of /repair/replacement of any types of electrical and mechanical devices such as all type of valves pumps & motor sets, cholorinator, Cholorine booster pump repair , prevention of \\" CL \\" header line leakage by any means, if any,metering pumps ( for alum & poly electrolyte dozing), gates, gauges, gear, control equipment, injectors, switches,pp valve,washer , bearing etc, within chemical house, filter house ( special attention to repair filter operated valves, gates as well as leakage repair from pneumatic cylinders for pneumatically operated valves and flexible air pipes), CFs including all 16 no flocculating units either mechanical or electrical faults,repair of motor, and gear box if needed, flush mixing basin, thoroly maintanance of compressor and air blower, and other units related to treatment of water as and when necessary of immediate need to keep the plant in operative condition including fitting and fixing of spare parts in proper position with specific size nuts and bolts and also including hire charges of machineries such as welding set, chain-pulley, hoisting arrangements, jacks, motors, pumps, generator. In addition to that any type of leakage repair of chlorine and alum delivery and supply line, pneumatic cylinders for pneumatically operated valves, flexible air pipes must have to be done as per requirement of plant in running condition.All works has to be conducted during running operation of the plant as per specification and direction of EIC all complete including making entry of all daily repair work done if any in the WTP Log Book separately for different unit of treatment plant, producing daily, weekly and monthly records as directed by EIC. |
| 11 | Day to day maintenance of general cleanliness and housekeeping of different units within WTP campus and surrounding areas viz. filter house, clariflocculators etc., Annex Building, Staff Quarters, Laboratory, Library, Administrative Building, Chemical House etc. including all roads within treatment plant campus at Dongaria by way of sweeping, washing, cleaning, Removal of spoils, cleaning and disinfecting of toilets and lavatory blocks by engagement of sweepers, mathor labors and other labors as necessary with necessary tools and plants like sickle, pick-axe, bucket, baskets, broom-stick, scrapers, scrubbers, duster, wiper, bleaching powder etc. as may be required from time to time including supply of consumables like soaps, detergents, approved cleaning liquid, muriatic acid etc. as will be required from time to time as per specification and direction of EIC.[ANNEXURE - II] [Payment will be made as per actual measurements of the item of Annexure-II) |
| 12 | Cleaning of CWR & CF (2 Nos) Annually including pumping out of water removing and clearing of mud, sand , liquid earth etc., disinfecting the interior of the reservoir and clearing the reservoir top of shurbs, plants , jungles etc (for CWR only) as will be required from time to time as per specification and direction of EIC. [ANNEXURE - III] (Payment will be made as per Annexure-III) |
| 13 | Yearly maintenance including over hauling, repairing and replacement of spare parts of 3 Nos. 15HP Capacity \\"ELGI\\" brand (Model no. TS 15120H) compressor machine, 3 Nos Electronic Drain Valve JORC make (Model EZ-1) and 3Nos Trident Air Dryer (Dry Spell -45) of Dongaria WTP at Dakshin Raypur under South 24 Pgns Water supply Division-I PHE Dte. (ANNEXURE-IV) [Payment will be made as per actual measurements of the item of Annexure-IV) |
| 14 | Add GST @ 18.00% on all items |
| 15 | Add CESS @ 1.00% on all items Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 14, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedNov 18, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 31 daysNov 20, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 33 daysTender Documents
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