Operation and Guarding of Gaseous Chlorination for Rajarhat Surface Water Supply

Work Description - Operation And Guarding Of Gaseous Chlorination Of Hw Site At Reckjuani (zone R-iv A) Of Surface Water Based Water Supply Scheme For Arsenic Affected Area Of Rajarhat.

This tender, issued by the Executive Engineer, NTKMD, PHED, details an open tender for the operation and guarding of gaseous chlorination at the HW site in Reckjuani (Zone R-IV A) for the surface water-based water supply scheme serving the arsenic-affected area of Rajarhat. The estimated tender value is ₹5,77,922, with a required Earnest Money Deposit (EMD) of ₹13,000. The work is scheduled for a period of 370 days, and the bid validity period is 180 days. The tender documents are available for download from July 25, 2026, 10:00 AM until August 8, 2026, 10:00 AM, with bid submissions also open during this same period. Bid opening will take place on August 10, 2026, at 10:00 AM at Newtown, Kolkata. This is a two-cover tender with Cover 1 for Fee/PreQual/Technical documents and Cover 2 for the Finance (BOQ). Further details regarding pre-qualification, technical evaluation, and contract forms are specified within the tender documents.