Butterfly Valve Installation and Gearbox Replacement for Kolkata Water Transmission Main

Work Description - Installation Of 450 Mm Dia Butterfly Valve On Bypass Line Of 1800 Mm Dia Transmission Main Along With Supply, Fitting-fixing Of New Gearbox For Another 450 Mm Dia Bfv With Other Ancillary Work At Cwps-iv Of Grww.

The Kolkata Municipal Corporation, through the Executive Engineer (Water Supply) at Garden Reach Water Works, is inviting sealed bids for the "INSTALLATION OF 450 MM DIA BUTTERFLY VALVE ON BYPASS LINE OF 1800 MM DIA TRANSMISSION MAIN ALONG WITH SUPPLY, FITTING-FIXING OF NEW GEARBOX FOR ANOTHER 450 MM DIA BFV WITH OTHER ANCILLARY WORK AT CWPS-IV OF GRWW." This open tender, identified by Tender Reference Number EE/GRWW/PH-IV/26/2026-27 and Tender ID 2026_KMC_1036415_1, is for a mechanical works contract with an Earnest Money Deposit (EMD) of ₹4,000. The tender documents will be available for download from August 7, 2026, 02:00 PM, and all bids must be submitted by August 18, 2026, 02:00 PM. Bid opening is scheduled for August 20, 2026, 02:00 PM, at the Office of the Executive Engineer (Water Supply). The estimated work completion period is 10 days, with a bid validity of 180 days. This is a two-cover tender process, with Cover 1 for Fee/PreQual/Technical documents and Cover 2 for the Finance/BOQ. Further details regarding pre-qualification and technical specifications are available in the tender documents.