NIH Kolkata Water Tank and Reservoir Cleaning & Disinfection Services

Work Description - Clearing And Disinfection Of Water Tank, Overhead Tank, Underground Water Reservoirs At Ge Block (main-campus) And Jc Block Of Nih For A Period Of 6 (six) Months With Three Month Interval Each.

The Central Public Works Department (CPWD), specifically the Assistant Engineer, KCSD-II, KCD-III, invites open bids for the "Clearing and disinfection of water tank, overhead tank, underground water reservoirs at GE Block (main-campus) and JC Block of NIH for a period of 6 (Six) Months with three month interval each." This repair and maintenance work, categorized under CIVIL and COMPOSITE works, has an estimated cost of ₹ 5,65,105 (Five Lakh Sixty Five Thousand One Hundred and Five Rupees). A mandatory Earnest Money Deposit (EMD) of ₹ 11,303 is required, payable to "Executive Engineer, KCD-III, CPWD, Kolkata" via DD, FDR, BC, TC, or BG. The tender, referenced as 90/21/NIT/AE-II/EE-KOL-III/CPWD/2026-27 (Tender ID: 163094), was e-published and available for document download and bid submission from 28-Jul-2026 at 02:12 PM. The deadline for document download and bid submission is 04-Aug-2026 at 03:00 PM, with bids scheduled to be opened on the same day at 03:30 PM. Pre-bid queries can be submitted until 03-Aug-2026 at 03:00 PM. Bidders should note that the bid type is Percentage and all mandatory documents are "AS PER NIT." For further details, interested parties may contact Santanu Chowdhury, Assistant Engineer, KCSD-II, KCD-III, at 9038269622 or s.chowdhury1966@gov.in, at the address: 3rd Floor, DF Block, CGO Complex, Kolkata-700064.