Ammonia Cylinder Refilling, Maintenance, and Supply Services

Work Description - NA

National Aluminium Company Limited (NALCO), Bhubaneswar, acting through its Alumina Refinery at Damanjodi and under the purview of the Ministry of Mines, hereby invites bids for the comprehensive refilling of ammonia cylinders. This tender, identified by Bid Number GEM/2026/B/7574811, pertains to the Materials Department and encompasses the supply of Ammonia gas with a purity of 99%, delivered in NALCO cylinders (Item Category: AMMONIA GAS IN NALCO CYLINDERS WITH PURITY 99percent.-9410100957011000074450UOMKG). The scope of work also includes essential cylinder maintenance services such as painting (Item: AMMONIACYLINDER PAINTING-PR Item21000074450UOMNos), valve replacement (Item: AMMONIA CYLINDER VALVE REPLACEMENT-PRItem31000074450UOMNos), hydro-testing (Item: AMMONIA CYLINDERHYDROTESTING-PR Item41000074450UOMNos), replacement of bottom ring legs (Item: REPLACEMENT OF BOTTOM RING LEG OF AMMON-PRItem51000074450UOMNos), and replacement of neck rings (Item: REPLACEMENT OF NECKRING OF AMMONIA CYL-PR Item61000074450UOMNos). The total estimated quantity for this requirement is 24,175 units. This tender will be open for bidding from 21-08-2026 at 7:00 PM until 25-08-2026 at 10:00 AM. Bidders are advised to note the dated reference for this tender is 22-05-2026.