Tender For Repairing, Servicing And Overhauling Of 800Nb Defunct Multidoor Non-Return Valve Of 58 Cusec Swf Pump Unit No 4 With Allied Works At Topsia Point A Drainage Pumping Station.
Tender Value
Ref. Documents
Estimated cost
Bid Submission
28 Sep 2026
12 days left
EMD
10000
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
Kolkata → West Bengal
EMD Exemption
Not Available
Quantity
Not Available
Website
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Address
Project Description
Tender for Repairing, Servicing And Overhauling Of 800Nb Defunct Multidoor Non-Return Valve Of 58 Cusec Swf Pump Unit No 4 With Allied Works At Topsia Point A Drainage Pumping Station.
BOQ
| Sl. No. | Item Description |
| 1 | TOTAL |
| 2 | Dismantling and taking out non return valve unit from delivery line by necessary gascutting of corroded bolts and nut, disengaging dismantling joint and brick foundation support by arranging necessary tools, arrengement of special lifting arrengement, including proper sealing arrengement of delivery line. |
| 3 | Required cleaning, acid treatment, heat application on the NRV components to eliminate rust and scale from the surface. |
| 4 | Pattern making for casting CI flap door with proper allowences as per sample. |
| 5 | Casting of CI flap door of nrv including cost of CI conforming to grade FG-220 IS 210-1978, moulding process and necessary fettling and machining as per sample. |
| 6 | Manufacturing supply fitting fixing of SS 304 hinge/stub spindle, nuts per sample. |
| 7 | Supply fitting and fixing of pair of GM bushes for hinge pin |
| 8 | Manufacture supply and heat sunk press fitting of GM diphargm face ring along with arrengement of counter sunk brass screw as per sample. |
| 9 | Repairing of NRV bypass line and CI sluice valve. |
| 10 | Servicing of dismantle joint with replacement damaged gland ring and EPDM rubber seal. |
| 11 | Supply of stud bolts, nut, washers for dismantle joint. |
| 12 | Testing of valve at suitable working hydraulic pressure after assembling of the valve as per direction of EIC. |
| 13 | Through anti corrosive painting of inside and out side of valve after applying two coats of metal primer. |
| 14 | Supply of HT bolts, nuts, gaskets required as per sample. |
| 15 | Installation of the nrv in its original position by engaging proper lifting arrengement ,including engaging dismantling joint properly, with necessary masonary work for mending brick foundation support, with fixing supporting of valve base. |
| 16 | Transportation and loading unloading charges two way. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 15, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 28, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 12 daysSep 30, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 14 daysTender Documents
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