Operation and Maintenance of Sewage Treatment Plants in Delhi

The Delhi Development Authority (DDA), a Central Government Ministry/Department, is inviting sealed bids through an open tender process for the running, operation, and day-to-day comprehensive maintenance of Sewage Treatment Plants (STPs) at Nagloijat, Mundka (500 KLD), Tikrikalan (300 KLD), Tikri Border (150 KLD), Neelwal (150 KLD), and Hastsal (400 KLD). The estimated tender value for this work is ₹1,35,61,699, with a contract period of 365 days. Bidders are required to submit an Earnest Money Deposit (EMD) of ₹2,71,234, which is 2.0% of the tender value. The tender documents will be available for download from October 1, 2026, 06:50 PM, until October 12, 2026, 03:00 PM. Bid submission will commence on October 1, 2026, 06:55 PM, and close on October 12, 2026, 03:00 PM. The bid opening is scheduled for October 13, 2026, at 03:30 PM. A pre-bid meeting will be held on October 6, 2026, at 03:00 PM at the office of SE(E)/DWK. The Tender Inviting Authority is EE(E)/ELD-10/DDA, located at B2B Janakpuri, ND-58. Interested parties must refer to the detailed tender documents for specific eligibility criteria and submission requirements.