Tender For Replenishment Of Filter Media (Gravels) Along With Replacement Of Damaged Nozzles Fitted On Filter Bed No. A-7 With Ancillary Civil Works At Wtp-Iv, Garden Reach Water Works.
Tender Value
Ref. Documents
Estimated cost
Bid Submission
31 Oct 2026
5 days left
EMD
10000
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Kolkata → West Bengal
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Replenishment Of Filter Media (Gravels) Along With Replacement Of Damaged Nozzles Fitted On Filter Bed No. A-7 With Ancillary Civil Works At Wtp-Iv, Garden Reach Water Works.
BOQ
| Sl. No. | Item Description |
| 1 | TOTAL AMOUNT |
| 2 | SUPPLY DELIVERY & UNLOADING OF THE GRAVELS(EFFECTIVE SIZE-3.0 TO 6.0 MM, IS8419, PART-I-1977) ATIGWTP. |
| 3 | SUPPLY, DELIVERY AND FITTINGS OF FOOD GRADE PVCNOZZLES FOR FILTER BED AT JORABAGAN WTP CUM BPS AND WTP-IV, GRWW. |
| 4 | THOROUGHLY WASHING ALL FILTER BED GRAVELS, GRITS BY WATER JETTING AFTER IMMERSING IN MURICES/ HYDROCHLORIC ACID SOLUTION FOR A TIME ASPER DIRECTION OF EIC AND REWASHING THE SAME BYJETTING OF WATER DRAW FROM SAND WASHING MACHINEOR NOT WASHING VAT AND DO NEEDLE FOR SCREENING BYSHEAVING OR REVERSE SHEAVING TO DIFFERENTIATE ALL THE DIFFERENT SIZES OF GRAVELS AS PER DIRECTION OFEIC AND MAKE STACK OF DIFFERENT SIZES OF GRAVELS ONTHE GROUND NEAR R.G. FILTER PLANT BY LORRY AND HEADLOAD IN SIZE INCLUDING LOADING & UNLOADING AS PERDIRECTION OF EIC AND COMPLETE IN ALL RESPECT. AFTERCLEANING NO DIRT/MUD COATING SHOULD BE FOUNDAROUND THE SURFACE OF THE DIFFERENTIATED GRAVELS |
| 5 | PACKINGS OF BEDS OF R.G. FILTER WITH DIFFERENTIATEDGRAVELS & GRITS CARRYING FROM A DISTANCE WITHIN 150M AVERAGE FROM THE R.G. FILTER BED VERY CAREFULLY I.E. REARRANGING THE CLEANED DIFFERENTIATED GRAVELS IN SIZE WISE LAYER INCLUDING HAND PECKING THE GRAVELS AROUND LATERALS AS PER DIRECTION OF E.I.C. SO THAT TOTAL GRAVELS STRATUM TO BE NOT LESS THAN 500MM INCLUDING LEVELING THE TOP SURFACE AND COMPLETE IN ALL RESPECT AS PER DIRECTION OF EIC. |
| 6 | CLEANING AND WASHING THE UNDER DRAINAGE SYSTEMFILTER BED INVERT FLOOR, WALLS AND ALL INDIVIDUALLATERALS AND ORIFICE OF A.C. PIPE AND CHEEKINGPROPERLY WITH BACK WASH WATER AND COMPLETE IN ALLRESPECT AS PER DIRECTION OF EIC. |
| 7 | MAZDOOR (MALE/FEMALE)NOTE: ABOVE LABOUR RATE INCLUDE 10% CONTRACTORPROFIT, 8% OVERHEAD CHARGES. |
| 8 | Scraping of moss, blisters etc.thoroughly from exterior surface of walls necessitating the use of scraper, wire brush etc.(Payment against this item will be made only when this has been done on the specific direction of the Engineer-in-charge) |
| 9 | Dewatering by pumps including all leads, lifts and making allarrangements of disposal. where continuous flow of water from a source other than natural or ground water is encountered in case of emergency maintenance works related to leakage. breakage and making wet connections. [Note ;- In case of any other situation demanding such emergency dewatering. use of this item is to be approved by the Superintending Engineer/Tender Accepting Authority. This item shall be executed on the specific direction duly supported by proper clarification of the E.I.C. who will be satisfied in absolute discretion that such work has not been necessitated due to anynatural source of water or any fault of the Contractor] |
| 10 | Supplying empty Cement bags in good condition Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 06, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 31, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 5 daysNov 02, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 7 daysTender Documents
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