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Tender Value
Refer Docs
EMD Value
₹2,850
Closing Date
14 Oct 2026, 1:00 pm
ASSISTANT ENGINEER
Office of the Assistant Engineer, Eastern Mechanical Sub-Division-III,Dhubulia TB Hospital, Dhubulia, Nadia-741140.
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
2026_PHED_5075169_1
WBPHED/AE/EMSD3/NIET03/2026-27
Open Tender
MECHANICAL
Item Rate
Kaliganj
Please refer Tender documents.
5 documents required · 5 mandatory
₹2,850
Yes
29 Sept 2026
29 Sept 2026
27 Oct 2026
29 Sept 2026
14 Oct 2026
30 Sept 2026
This is a percentage-rate BOQ. The schedule below shows estimated quantities and rates. Bidders quote a single percentage above or below the total estimated cost.
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 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pump-1 delivery line with help of existing over-head crane and adequate skilled mechanic and labours and carrying the withdrawn valve from Pontoon mounted Barge to main road through walkway using chain pully and others necessary equipments and accessories.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 | ls | 3,200 | ₹6,400 |
| 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 | 1 | ls | 3,000 | ₹3,000 |
| 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.) | 1 | LS | 8,000 | ₹8,000 |
| 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. | 1 | LS | 3,500 | ₹3,500 |
| 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. | 1 | LS | 2,167 | ₹2,167 |
| 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) | 1 | each | 12,800 | ₹12,800 |
| 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) | 2 | each | 2,800 | ₹5,600 |
| 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 ) | 2 | LS | 2,400 | ₹4,800 |
| 10 | Machining the hinged portion with precision with bronze sleeve inside the hinge. | 1 | LS | 3,443 | ₹3,443 |
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