Operation and Maintenance of Sewage Treatment Plants and Lift Stations in Kalyani

The Kolkata Metropolitan Development Authority (KMDA) is inviting sealed bids for the Operation and Maintenance of Sewage Treatment Plants (STPs) and associated infrastructure for a period of one year at Kalyani. This open tender, identified as KMDA/WS/GAP/SE(N)/NIT-05/26-27, specifically concerns the operation and maintenance of a 11 MLD Trickling Filter (TF) STP and a 10 MLD Waste Stabilization Pond (WSP), along with 13 Lift Stations (LS) and 01 Manhole Pumping Station (MPS), encompassing the existing sewerage network line. This opportunity falls under the Civil and Electrical Works product category. The tender documents will be available for download from November 3, 2026, at 06:00 PM, with the download period concluding on November 24, 2026, at 03:00 PM. Bids can be submitted starting from November 3, 2026, at 06:00 PM, and the submission deadline is also November 24, 2026, at 03:00 PM. The Earnest Money Deposit (EMD) required for this tender is ₹5,22,770.00, with no tender fee applicable. Bid opening will take place on November 26, 2026, at 03:30 PM. The inviting authority is the Superintending Engineer, North Circle, GAP Wing, Water and Sanitation Sector, KMDA, located at Unnayan Bhawan, Block D. This crucial infrastructure maintenance project is located in KALYANI.