Comprehensive Supply and Installation of Central Air Cooler Systems and Ductwork

The Department of Military Affairs, under the Ministry of Defence, through the Indian Army, is inviting bids for the comprehensive supply and installation of 3667 units of Coolbreeze CB 18 1800 CFM capacity central air coolers. This tender (Bid Number: GEM/2026/B/8182074, dated 29-10-2026) encompasses the complete provision of the air cooler machines, each featuring a 2 KW power drain system and a manually operated single-speed electrical panel. The scope of work extends to fitting and installation charges, including the provision of a dual starter with phase protector and electrical panel board connections. Furthermore, successful bidders will be responsible for the supply and installation of Jindal make 24 Gauge GI duct work, complete with nuts, bolts, and gaskets, as well as the internal duct insulation using 6 mm thick Supreme make Nitrile rubber. The tender also requires the supply and installation of aluminium powder-coated double deflection air grills. All transport charges for the central air cooler machines are to be borne by the supplier. Additionally, extensive fabrication work is included, covering central air cooler machine stands, scaffolding as required, and any other necessary fabrication based on site assessments, including duct supports. Plumbing work involves establishing water inlet and drain water lines, utilizing 1-inch and 1.5-inch inlet lines with flexible connections, and installing two 1000-liter capacity water tanks. The electrical scope includes connecting the central air cooler to the electrical panel, the manual electrical panel to the customer's main electrical supply point, utilizing 2.5 sq mm and 1.5 sq mm copper wiring. Finally, civil work necessitates the opening and closing of duct openings within civil walls. The bidding period opens on 29-10-2026 at 12:37 PM and closes on 19-11-2026 at 1:00 PM.