Tender For Repairing Of Existing 350 Mm Dia Cidf Nrv And Sluice Valve On The Delivery Line Of Raw Water Pump At Intake Point Of Kaliganj(Part-I) Under Northern Sector Swb Project Under Emsd-Iii,Phe Dte.,Dhubulia, Dist. Nadia.(Sm/00874)
Tender Value
Ref. Documents
Estimated cost
Bid Submission
14 Oct 2026
8 days left
EMD
2850
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
Nadia → West Bengal
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repairing Of Existing 350 Mm Dia Cidf Nrv And Sluice Valve On The Delivery Line Of Raw Water Pump At Intake Point Of Kaliganj(Part-I) Under Northern Sector Swb Project Under Emsd-Iii,Phe Dte.,Dhubulia, Dist. Nadia.(Sm/00874)
BOQ
| Sl. No. | Item Description |
| 1 | Dismantling all the Nut -Bolt of Valve and Delivery line flange and withdrawing the existing 350 mm dia CIDF NRV(1 no) and Non rising type Sluice valve(1 no) from the existing position of Raw water pump-1 delivery line with help of existing over-head crane and adequate skilled mechanic and labours and carrying the withdrawn valve from Pontoon mounted Barge to main road through walkway using chain pully and others necessary equipments and accessories. |
| 2 | Sealing the delivery line with help of proper dimensional blank flange ,gasket and nut-bolts to keep the other pump operational as per direction of E.I.C |
| 3 | Carrying 1 no. NRV and 1 no. Sluice valve from Kaliganj Intake point to workshop(Howrah) for repairing and servicing purpose with loading and unloading at both end. (Between 120km to 180km.) |
| 4 | NRV Repairing |
| 5 | Disassembling the 350 mm dia NRV part by part by opening the top cover of the NRV after loosening all the nut bolts and then bring out the damaged parts for necessary repairing. |
| 6 | Grinding all through the internal housing chamber ,disc seat portion of the NRV to clear the deposited rust and iron residuals after using acid ,caustic soda and other chemicals as per requirement. |
| 7 | Fabricating a new swing door wit triunion shaft for the 350 mm dia NRV made of CI metal by casting process with making a new pattern asper dimension of existing damage and wear out gate after that machining and finishing the same with all respect. (Shaft ss410) |
| 8 | Making 2 nos new Gun metal seat ring for valve body and disc by machining and finishing in lathe. (Gun Metal to is 318gm LTB2) |
| 9 | Making 2 nos new gun metal bearing block for support the hing pin at the valve coller portion as per sample by machining ,grinding and finishing (ID-32 mm, OD-52mm ) |
| 10 | Machining the hinged portion with precision with bronze sleeve inside the hinge. |
| 11 | Painting the NRV with red oxide primer one coat and metal paints two coat. |
| 12 | Fitting fixing the new door, shaft assembly and other old serviceable materials inside the valve and then fitting fixing top cover of the NRV on its body by providing asbestos free rubber gasket and then tightening all the nut bolts. |
| 13 | Sluice valve Repairing |
| 14 | Disassembling the 350 mm dia Non-rising type sluice valve part by part by after loosening all the nut bolts and then bring out the damaged parts for necessary repairing. |
| 15 | Grinding all through the internal housing chamber ,disc seat portion of the sluice valve to clear the deposited rust and iron residuals using acid ,caustic soda and other chemicals as per requirement. |
| 16 | Fabricating a new wedge type gate for the 350 mm dia sluice valve made of CI metal by casting process with making a new pattern as per dimension of existing damage and wear out gate after that machining and finishing the same with all respect. |
| 17 | Making 2 nos new Gun metal seat ring for valve body and wedge shape disc by machining and finishing in lathe. |
| 18 | Making a threaded SS spindle of 40 mm dia and 1100 mm long with ACME thread of 3TPI, made of SS 304 material in lathe by machining and finishing and tread cutting works. |
| 19 | Making a threaded Gunmetal Nut with ACME thread of 3TPI, made of gunmetal in lathe by machining and finishing and tread cutting works. |
| 20 | Fitting fixing the new door, spindle and other old serviceable materials inside the valve with providing asbestos free rubber gasket , gland packing and then tightening all the nut bolts. |
| 21 | Painting the Sluice Valve with red oxide primer one coat and metal paints two coat. |
| 22 | Carrying the repaired NRV and Sluice valve from workshop to Kaliganj (Part-I) Intake point with loading and unloading at both end. |
| 23 | carrying the valve from main road to pontoon mounted Barge through walkway using chain pully and others necessary equipments and accessories Fitting fixing the repaird valves at its original position after dismantling the delivery line sealing arragement (Blank flange with nut bolts) with the help of new and old serviceable nut,bolts and newly supplied rubber gasket and other necessarry materials. |
| 24 | Testing and commissioning the entire installation by running the pump continuously as per direction of EIC. |
| 25 | Add : 18% GST |
| 26 | Add : 1% Cess Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 29, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 14, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 8 daysOct 27, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 21 daysTender Documents
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